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679 Commits

Author SHA1 Message Date
DRC
a2a2cd60e5 Include ARM v7s (iPhone 5, iPad 4) support in the universal libjpeg/libturbojpeg libraries distributed with our official binary package for OS X.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@923 632fc199-4ca6-4c93-a231-07263d6284db
2013-02-04 22:29:57 +00:00
DRC
189ee81b58 Oops. Separate .def file is not needed when compiling with jpeg-8 API/ABI emulation.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@922 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-27 15:54:59 +00:00
DRC
0f7ff719a1 Wordsmith the project description
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@921 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-23 01:32:25 +00:00
DRC
bdfcb74d50 Actually, turbojpeg.c works with libjpeg as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@920 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-22 13:56:34 +00:00
DRC
5039d734d5 Eliminated the awkward and confusing "TurboJPEG/OSS" designation, since there are no other active implementations of the TurboJPEG API anymore; don't refer to the libjpeg API library as "libjpeg-turbo" anymore, since that can be confusing; ARM v7s build instructions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@919 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-21 23:42:12 +00:00
DRC
98ca1c35d7 ImageIO.read() returns null if the input image type is not supported (which occurs when trying to read a PPM file), so output a friendly error instead of letting the next line throw a null pointer exception.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@918 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-19 06:43:27 +00:00
DRC
2e22eb6ea2 New year, new copyright message
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@917 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-19 01:16:38 +00:00
DRC
6da61db278 Fix several issues with SRPM generation: (1) ensure that all relevant configure arguments get passed down to the configure command line in the generated spec file, (2) adjust the file manifest in the spec to accommodate the differing "age" version whenever the in-memory source/dest managers are used, and (3) fix an issue with the value of SO_MAJOR_VERSION passed down to the configure command line in the generated spec file (SO_MAJOR_VERSION has to remain pure, so we use a different variable to pass down the combined "current+age" value to libtool in Makefile.am.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@916 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-19 01:06:46 +00:00
DRC
dc4645d422 Since Windows doesn't use lazy loading, clarify that a Windows application that uses jpeg_mem_dest() or jpeg_mem_src() must use the DLL containing those functions at run time. Other wordsmithing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@915 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-19 00:13:57 +00:00
DRC
736fb06278 Compiler warnings on Windows
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@914 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-18 23:45:06 +00:00
DRC
ab70623eb2 Implement in-memory source/destination managers even when not emulating the libjpeg v8 API/ABI
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@913 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-18 23:42:31 +00:00
DRC
b87136c2c7 Include justification for not supporting SmartScale, DCT scaling, and the libjpeg v9 ABI
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@912 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-18 06:12:51 +00:00
DRC
eff4f956fe Subtle point, but the libjpeg v7+ API is not backward incompatible. That is, programs that were built against jpeg-6b can still build against jpeg-7+ with no issues. It's only the ABI that is backward incompatible, so the primary justification for implementing the emulation feature was to provide run-time (ABI) compatibility.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@911 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-18 06:02:10 +00:00
DRC
cb2036fd11 Say "do not include" rather than "omit", to be consistent with the CMake build system and the output of the configure script.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@909 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-17 21:48:11 +00:00
DRC
7c39e3a766 Include full readme for nightshot_iso_100
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@908 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 21:11:50 +00:00
DRC
1f4cc446fe The GNU version of md5sum is picky about the spacing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@907 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 12:49:57 +00:00
DRC
00c2cf3632 Fix the x86 build with NASM 0.98. Since NASM 0.98 is the default version on OS X, we want to at least allow people to build 32-bit code with it, even though it can't properly build 64-bit code.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@905 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 12:12:53 +00:00
DRC
b87a0b4687 Fix the x86 build with NASM 0.98. Since NASM 0.98 is the default version on OS X, we want to at least allow people to build 32-bit code with it, even though it can't properly build 64-bit code.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@906 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 12:15:58 +00:00
DRC
0f43551e08 Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@904 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 11:40:58 +00:00
DRC
c5052c7701 Acknowledge the source of nightshot_iso_100.bmp
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@903 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 11:30:12 +00:00
DRC
211d1e7463 Consolidate the MD5 sums into one location and add a --without-turbojpeg switch to the Un*x build to allow building libjpeg-turbo without the TurboJPEG/OSS wrapper library. These modifications were supposed to lay the ground work for adding compile-time-selectable 12-bit JPEG support, but unfortunately there are deeper issues that prevent the implementation of that feature right now (namely, some of the modifications made to the C code to support the SIMD code are apparently not 12-bit-friendly.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@902 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 11:25:20 +00:00
DRC
5815699bff In all fairness, breaking backward ABI compatibility was necessary in jpeg-7 and jpeg-8 due to the fact that the caller allocates the struct.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@901 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 11:05:25 +00:00
DRC
f29ffd3eed Modify 'make test' so that it uses MD5 sums instead of reference images. This eliminates the need to check most of the test images into the repository, which keeps the source tarball to a reasonable size.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@900 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 03:00:25 +00:00
DRC
2f12d7a486 Also remove mention of install.txt and filelist.txt in the build system and README.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@899 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 01:19:09 +00:00
DRC
6f96153c67 install.txt contains no information relevant to libjpeg-turbo, and filelist.txt does not give any information that can't be gleaned by looking at the headers in the various source files.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@898 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-13 01:17:08 +00:00
DRC
e54d31affe git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@897 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-12 07:30:58 +00:00
DRC
6b638a6d58 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@896 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-12 07:29:53 +00:00
DRC
d211effa01 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@895 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-12 07:28:35 +00:00
DRC
dad4d2e76c git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@894 632fc199-4ca6-4c93-a231-07263d6284db 2013-01-11 11:07:37 +00:00
DRC
d5e964c980 Wordsmithing; Remove mention of TurboJPEG/IPP-- it is no longer a relevant comparison, since the version of IPP on which TurboJPEG/IPP was based is now quite old, and TurboJPEG/IPP is no longer distributed or supported by The VirtualGL Project; Include information about mathematical incompatibilities with jpeg-8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@893 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-10 11:47:39 +00:00
DRC
c168d9641c Prevent compiler warning on Windows if jmorecfg.h is included after the Windows headers, which also define FAR.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@892 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-06 18:00:20 +00:00
DRC
6a32d04d23 Prevent compiler warning on Windows if jmorecfg.h is included after the Windows headers, which also define FAR.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@891 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-06 17:59:42 +00:00
DRC
28701317d2 Spacing tweak
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@890 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 11:41:44 +00:00
DRC
d7ca17b73d We support arithmetic coding, which is a feature of libjpeg v7/v8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@889 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 11:41:13 +00:00
DRC
ac51438b66 Indicate our support for some of the jpeg-8d features, as well as arithmetic coding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@888 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 11:39:04 +00:00
DRC
966d8b77ef Undocument ansi2knr.c, since we don't include it
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@887 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 11:12:20 +00:00
DRC
c137f0f1cf Merge some of the README changes from jpeg-8d and change the copyright and version strings to reflect that we use some of that code.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@886 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:56:38 +00:00
Guido Vollbeding
5829cb2398 The Independent JPEG Group's JPEG software v8d 2015-07-27 13:50:34 -05:00
Guido Vollbeding
c39ec149e8 The Independent JPEG Group's JPEG software v8c 2015-07-27 13:49:31 -05:00
Guido Vollbeding
a4ecaacde6 The Independent JPEG Group's JPEG software v8b 2015-07-27 13:48:40 -05:00
Guido Vollbeding
f18f81b7e2 The Independent JPEG Group's JPEG software v8a 2015-07-27 13:46:36 -05:00
Guido Vollbeding
989630f70c The Independent JPEG Group's JPEG software v8 2015-07-27 13:45:31 -05:00
Guido Vollbeding
5996a25e2f The Independent JPEG Group's JPEG software v7 2015-07-27 13:44:25 -05:00
Guido Vollbeding
1e247ac854 The Independent JPEG Group's JPEG software v6b with arithmetic coding support 2015-07-27 14:40:46 -05:00
DRC
f37e4daf94 Port RGB-to-Grayscale color transform from jpeg-8d
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@885 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:52:29 +00:00
DRC
251db636f8 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@884 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:51:16 +00:00
DRC
a9d39ce09d Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@883 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:50:59 +00:00
DRC
e0634b15c3 We now support the additional decompression scaling factors from jpeg-7
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@882 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:47:02 +00:00
DRC
8cbf8939bb Port the width/height force feature from jpegtran v8d.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@881 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:44:00 +00:00
DRC
f73a27ca5b Add cjpeg -rgb option from jpeg-8d
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@880 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:25:43 +00:00
DRC
b5f2e450ac Minor modifications from jpeg-8d
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@879 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:17:03 +00:00
DRC
b24a7228ed Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@878 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:13:34 +00:00
DRC
6d6e37df18 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@877 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 10:12:34 +00:00
DRC
cf763c0cd8 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@876 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 09:51:37 +00:00
DRC
03badeab66 Further changes to the copyright/attribution notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@875 632fc199-4ca6-4c93-a231-07263d6284db
2013-01-01 09:49:47 +00:00
DRC
84f7122ba6 1.2.90 (1.3 beta1)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@874 632fc199-4ca6-4c93-a231-07263d6284db
2012-12-31 09:44:31 +00:00
DRC
a73e870ad0 Change the copyright notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@873 632fc199-4ca6-4c93-a231-07263d6284db
2012-12-31 02:52:30 +00:00
DRC
0bfb78051d Change the copyright notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@872 632fc199-4ca6-4c93-a231-07263d6284db
2012-12-31 02:42:18 +00:00
DRC
2dcd4b5353 Fix bug in unused code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@871 632fc199-4ca6-4c93-a231-07263d6284db
2012-12-01 22:33:54 +00:00
DRC
152e4c5ee4 Fix bug in unused code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@870 632fc199-4ca6-4c93-a231-07263d6284db
2012-12-01 22:33:25 +00:00
DRC
75cf49798d Use a more robust method of obtaining the build timestamp on Windows. 'wmic os get LocalDateTime' will always return the timestamp in the format we want (YYYYMMDD), whereas date /t is sensitive to locale. If wmic fails, then we fall back to using date /t, even though this means that the BUILD variable will end up in the incorrect format on some systems.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@868 632fc199-4ca6-4c93-a231-07263d6284db
2012-10-12 10:18:37 +00:00
DRC
5e3bb3e9c8 Use a more robust method of obtaining the build timestamp on Windows. 'wmic os get LocalDateTime' will always return the timestamp in the format we want (YYYYMMDD), whereas date /t is sensitive to locale. If wmic fails, then we fall back to using date /t, even though this means that the BUILD variable will end up in the incorrect format on some systems.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@869 632fc199-4ca6-4c93-a231-07263d6284db
2012-10-12 10:19:09 +00:00
DRC
de924b8587 Use a more robust method of obtaining the build timestamp on Windows. 'wmic os get LocalDateTime' will always return the timestamp in the format we want (YYYYMMDD), whereas date /t is sensitive to locale. If wmic fails, then we fall back to using date /t, even though this means that the BUILD variable will end up in the incorrect format on some systems.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@867 632fc199-4ca6-4c93-a231-07263d6284db
2012-10-12 09:29:44 +00:00
DRC
bc2e66cb43 Fix MinGW build and remove duplication of effort
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@864 632fc199-4ca6-4c93-a231-07263d6284db
2012-10-02 06:47:37 +00:00
DRC
d9d1d67d7c git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@863 632fc199-4ca6-4c93-a231-07263d6284db 2012-10-02 04:20:43 +00:00
DRC
fac3bea8da Add a Java version of TJBench and extend the TurboJPEG Java API to support it (this involved adding a polymorphic method in TJCompressor that accepts x and y offsets into a larger buffer, similar to the previous modification that had been done to TJDecompressor.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@862 632fc199-4ca6-4c93-a231-07263d6284db
2012-09-24 02:27:55 +00:00
DRC
61e1341f11 If libturbojpeg.jnilib is not found on Mac systems, specifically look for it under /usr/lib, since /usr/lib isn't part of the default java.library.path on that platform.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@861 632fc199-4ca6-4c93-a231-07263d6284db
2012-08-24 02:44:39 +00:00
DRC
29d8f253f8 Fix build issues that occurred whenever the source directory contained the letters "col", "mer", or "gra".
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@860 632fc199-4ca6-4c93-a231-07263d6284db
2012-08-07 21:59:59 +00:00
DRC
8fd7221dc1 Fix build issues that occurred whenever the source directory contained the letters "col", "mer", or "gra".
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@859 632fc199-4ca6-4c93-a231-07263d6284db
2012-08-07 21:59:28 +00:00
DRC
a394bf752a Allow the libjpeg-turbo32 package to be used on MultiArch-compatible systems without overriding the linker path or LD_LIBRARY_PATH.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@858 632fc199-4ca6-4c93-a231-07263d6284db
2012-08-07 18:44:24 +00:00
DRC
0a0f8d14e2 Allow the libjpeg-turbo32 package to be used on MultiArch-compatible systems without overriding the linker path or LD_LIBRARY_PATH.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@857 632fc199-4ca6-4c93-a231-07263d6284db
2012-08-07 18:42:07 +00:00
DRC
2186809a45 Oops. Add support for TJFLAG_FASTDCT to tjDecompressToYUV() as well.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@856 632fc199-4ca6-4c93-a231-07263d6284db
2012-07-03 20:02:49 +00:00
DRC
e0419b530b Oops. Add support for TJFLAG_FASTDCT to tjDecompressToYUV() as well.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@855 632fc199-4ca6-4c93-a231-07263d6284db
2012-07-03 20:01:31 +00:00
DRC
3367f407fe 1.2.2
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@854 632fc199-4ca6-4c93-a231-07263d6284db
2012-07-03 20:00:35 +00:00
DRC
cc336e7bd2 Cosmetic fixes to argument lists
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@852 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-29 23:51:35 +00:00
DRC
73d74c132b Add flags to the TurboJPEG API that allow the caller to force the use of either the fast or the accurate DCT/IDCT algorithms in the underlying codec.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@851 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-29 23:46:38 +00:00
DRC
e0a0151761 Re-generate docs to pick up new API version
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@850 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-29 23:17:03 +00:00
DRC
fd3aba3590 Added flags to the TurboJPEG API that allow the caller to force the use of either the fast or the accurate DCT/IDCT algorithms in the underlying codec.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@849 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-29 23:14:48 +00:00
DRC
112a0bb968 More recent versions of autoconf add -traditional-cpp to the CPP flags, which causes jsimdcfg.inc.h to not preprocess correctly unless we expand all of the instances of the #definev macro.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@848 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-28 23:25:34 +00:00
DRC
ea505e777a More recent versions of autoconf add -traditional-cpp to the CPP flags, which causes jsimdcfg.inc.h to not preprocess correctly unless we expand all of the instances of the #definev macro.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@847 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-28 23:24:29 +00:00
DRC
5950c5d4f9 Later versions of autoconf (specifically, the one shipped with Xcode 4.3) default to building x86-64, so it is necessary to override the host_alias to get a 32-bit build.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@846 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-28 23:22:03 +00:00
DRC
ea7bb7b651 Later versions of autoconf (specifically, the one shipped with Xcode 4.3) default to building x86-64, so it is necessary to override the host_alias to get a 32-bit build.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@845 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-28 23:21:13 +00:00
DRC
98eecb8605 Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression caused incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used and when decompressing to a 32-bit (RGBX, etc.) buffer.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@844 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-18 00:18:04 +00:00
DRC
13c318da4f Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression caused incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used and when decompressing to a 32-bit (RGBX, etc.) buffer.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@843 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-18 00:16:15 +00:00
DRC
14e8225391 Provide further details about the regression
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@842 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-18 00:09:19 +00:00
DRC
de37e07716 Provide further details about the regression
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@841 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-18 00:08:18 +00:00
DRC
575317bb54 Acknowledge the existence of 1.2.1
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@840 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-15 22:00:47 +00:00
DRC
df0babcfc2 Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression caused incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used. This patch also enables the strict memory access code on all platforms, not just Linux (it does no harm on other platforms) and removes a couple of pcmpeqb instructions that were rendered unnecessary by r836.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@839 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-15 21:58:06 +00:00
DRC
8126d0c5a5 Fixed regression caused by a bug in the 32-bit strict memory access code in jdmrgss2.asm (contributed by Chromium to stop valgrind from whining whenever the output buffer size was not evenly divisible by 16 bytes.) On Linux/x86, this regression generated incorrect pixels on the right-hand side of images whose rows were not 16-byte aligned, whenever fancy upsampling was used. This patch also enables the strict memory access code on all platforms, not just Linux (it does no harm on other platforms) and removes a couple of pcmpeqb instructions that were rendered unnecessary by r835.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@838 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-15 21:54:45 +00:00
DRC
316617faf4 Accelerated 4:2:2 upsampling routine for ARM (improves performance ~20-30% when decompressing 4:2:2 JPEGs using fancy upsampling)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@837 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-13 05:17:03 +00:00
DRC
66fe68b0b2 Eliminate the use of the MASKMOVDQU instruction, to speed up decompression performance by 10x on AMD Bobcat embedded processors (and ~5% on AMD desktop processors.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@836 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-13 01:23:09 +00:00
DRC
69799275be Eliminate the use of the MASKMOVDQU instruction, to speed up decompression performance by 10x on AMD Bobcat embedded processors (and ~5% on AMD desktop processors.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@835 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-13 01:21:29 +00:00
DRC
b2fc846e44 Add new JNI functions to mapfile so they will be visible on Linux
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@834 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-08 08:25:17 +00:00
DRC
dc31f0bc41 Fix array size calculations
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@833 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-07 09:38:57 +00:00
DRC
f659f43f93 Add x, y parameters to TJDecompressor so that it can be used to decompress to an arbitrary position in the destination image (TurboVNC needs this.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@832 632fc199-4ca6-4c93-a231-07263d6284db
2012-06-06 08:41:06 +00:00
DRC
dd2b651243 Guard against num_components being a ridiculous value due to a corrupt header
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@831 632fc199-4ca6-4c93-a231-07263d6284db
2012-05-30 20:36:42 +00:00
DRC
e93d94b9ad Guard against num_components being a ridiculous value due to a corrupt header
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@830 632fc199-4ca6-4c93-a231-07263d6284db
2012-05-30 20:34:42 +00:00
DRC
4f24016bde Preserve all 128 bits of xmm6 and xmm7
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@829 632fc199-4ca6-4c93-a231-07263d6284db
2012-04-26 19:50:37 +00:00
DRC
4ef9c9549b Preserve all 128 bits of xmm6 and xmm7
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@828 632fc199-4ca6-4c93-a231-07263d6284db
2012-04-26 19:48:33 +00:00
DRC
ea3396a945 Fix memory leak in the colorspace emulation code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@827 632fc199-4ca6-4c93-a231-07263d6284db
2012-04-26 03:18:49 +00:00
DRC
9ba64bbbcf Provide the legacy unversioned libturbojpeg.so resource so that RPMs that dependended on older libjpeg-turbo distributions will still work.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@826 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-29 21:29:36 +00:00
DRC
afc06929e0 Emulate colorspace extensions if they are not present in the libjpeg API. This allows the TurboJPEG wrapper to be used with libjpeg rather than libjpeg-turbo. Not useful within the context of our project, but other projects prefer to include the TurboJPEG wrapper in-tree, and this allows them to be linked against either libjpeg-turbo or libjpeg.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@825 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 19:47:57 +00:00
DRC
6dd6b3a74c Get rid of the Solaris packaging system. Solaris packages are obsolete, only a handful of people were downloading those binaries, and maintaining the system was proving to be a pain.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@824 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 19:44:54 +00:00
DRC
d4c15e103c Whitespace tweak
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@823 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 19:39:14 +00:00
DRC
8ad24924ea Ensure that tjDecompress2() exits cleanly if setDecompDefaults() fails
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@822 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 19:37:40 +00:00
DRC
2eda8212e4 Ensure that tjDecompress2() exits cleanly if setDecompDefaults() fails
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@821 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 19:32:38 +00:00
DRC
fd407776ba Add a dummy version number to the TurboJPEG dynamic library on Unix systems so Linux distro maintainers will not reject it out of hand.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@820 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 03:24:39 +00:00
DRC
f52682e277 Get rid of the Solaris packaging system. Solaris packages are obsolete, only a handful of people were downloading those binaries, and maintaining the system was proving to be a pain.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@819 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 03:17:41 +00:00
DRC
0559e94c72 "Sun Studio"="Oracle Solaris Studio"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@818 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 03:12:35 +00:00
DRC
21cc62bccb "Sun Studio"="Oracle Solaris Studio"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@817 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 03:11:12 +00:00
DRC
7c6ae034da Fix universal DMG build
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@816 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 00:51:56 +00:00
DRC
c2f89f131d Fix universal DMG build
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@815 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-23 00:50:09 +00:00
DRC
68071bd2e4 1.2.1
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@814 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-22 22:05:09 +00:00
DRC
8015a30308 Visual Studio 2010 doesn't like the wildcard at compile time, so let CMake expand it instead.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@813 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-17 14:32:38 +00:00
DRC
6bc5938482 Visual Studio 2010 doesn't like the wildcard, so let CMake expand it instead.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@812 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-17 14:32:05 +00:00
DRC
cac105133e Fix the behavior of the alpha-enabled colorspace constants whenever libjpeg-turbo is built without SIMD support and merged upsampling is used.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@811 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-16 14:37:36 +00:00
DRC
ffe4fc182f Fix the behavior of the alpha-enabled colorspace constants whenever libjpeg-turbo is built without SIMD support and merged upsampling is used.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@810 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-16 14:30:46 +00:00
DRC
a9b646c202 Allow RGB JPEG files to be created/decoded when using the LJT colorspace extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@809 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-11 22:06:54 +00:00
DRC
0586d41d1b Allow RGB JPEG files to be created/decoded when using the LJT colorspace extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@808 632fc199-4ca6-4c93-a231-07263d6284db
2012-03-11 22:05:25 +00:00
DRC
09e4575789 Oops
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@806 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 05:31:03 +00:00
DRC
69c1408e9d Oops
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@805 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 03:47:18 +00:00
DRC
9e7eb27686 Move build dir. variables back into makemacpkg to avoid messing up the Solaris packaging system.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@804 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 03:41:20 +00:00
DRC
086c9ab549 Move build dir. variables back into makemacpkg to avoid messing up the Solaris packaging system.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@803 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 03:39:43 +00:00
DRC
0989088530 Don't include documentation in 32-bit supplemental package
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@802 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 03:18:41 +00:00
DRC
51d626ff9d Don't include documentation in 32-bit supplemental package
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@801 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 02:51:40 +00:00
DRC
ed839d5905 Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@800 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:55:28 +00:00
DRC
01bf9d9ccd Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@799 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:52:31 +00:00
DRC
c052646b34 iOS universal package was promoted to a 1.2 feature
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@798 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:44:55 +00:00
DRC
ef49f790bd git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@797 632fc199-4ca6-4c93-a231-07263d6284db 2012-02-10 01:44:23 +00:00
DRC
57bd84f435 RPM spec no longer uses %{_srcdir}
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@796 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:40:29 +00:00
DRC
99bebdd0aa RPM spec no longer uses %{_srcdir}
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@795 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:39:28 +00:00
DRC
02cd567fb9 Install docs when doing 'make install' on Unix; Fix 'install' target on Windows; Include wizard.txt, example.c, and structure.txt in installed docs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@794 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:37:20 +00:00
DRC
20b734e1c4 Infrastructure for producing a universal x86-64/i386/ARM version of libjpeg.a and libturbojpeg.a on OS X, so that the same library can be used to build OS X and iOS apps
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@793 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:30:37 +00:00
DRC
bbaf4c94cd 'make iosdmg' now works with 32-bit builds as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@792 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:24:26 +00:00
DRC
166c5ec0b9 Clean up the iOS packaging mechanism so that ARM architectures can be added to i386-only builds as well.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@791 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 01:07:59 +00:00
DRC
a1647c8412 Install docs when doing 'make install' on Unix; Fix 'install' target on Windows; Include wizard.txt, example.c, and structure.txt in installed docs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@790 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-10 00:39:05 +00:00
DRC
1fbae8467f Infrastructure for producing a universal x86-64/i386/ARM version of libjpeg.a and libturbojpeg.a on OS X, so that the same library can be used to build OS X and iOS apps
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@789 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-09 09:23:30 +00:00
DRC
f832eae5c2 Merge description from README-turbo.txt into packages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@788 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-08 09:56:04 +00:00
DRC
1256fbade9 Merge description from README-turbo.txt into packages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@787 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-08 09:18:42 +00:00
DRC
b39dfe7046 Merge description from README-turbo.txt into packages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@786 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-08 09:17:42 +00:00
DRC
be6d424626 Compiler warning
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@785 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 23:41:10 +00:00
DRC
0f0fd75125 Compiler warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@784 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 23:27:14 +00:00
DRC
760ea8dfb3 Merge documentation and wordsmithing changes from 1.2, including promotion of -arithmetic to a "switch for advanced users"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@783 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 23:25:19 +00:00
DRC
44a97e8fe7 Not necessary to save r10 and r11, since these are scratch registers
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@782 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 23:13:24 +00:00
DRC
c3ba39fc3b Merge copyright messages into one string and change the run-time messages to avoid confusion (we are not technically based on the latest libjpeg, although we do borrow some code from it)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@781 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 23:05:46 +00:00
DRC
7ed7b57203 Eliminate "main is usually a function" warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@780 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 22:51:49 +00:00
DRC
3d40ad5f6e git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@779 632fc199-4ca6-4c93-a231-07263d6284db 2012-02-07 20:39:33 +00:00
DRC
00b327b8f8 Wordsmithing and grammar
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@778 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 00:15:42 +00:00
DRC
11a122b2d6 Wordsmithing and grammar
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@777 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-07 00:14:53 +00:00
DRC
6916f87955 Several clarifications regarding v7/v8 API/ABI support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@776 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-03 08:59:21 +00:00
DRC
bdbcd14057 Several clarifications regarding v7/v8 API/ABI support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@775 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-03 08:55:36 +00:00
DRC
c8fb758bc2 Fix issue whereby libjpeg-turbo would report "fractional sampling not implemented" when attempting to use decompression scaling with a non-power-of-2 scaling ratio and a JPEG file that was compressed using an odd form of subsampling, such as 3x2.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@774 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-03 06:55:26 +00:00
DRC
be12e1dec5 Accelerated 4:2:2 upsampling routine for ARM (improves performance ~20-30% when decompressing 4:2:2 JPEGs using fancy upsampling)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@773 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-02 22:32:45 +00:00
DRC
cf775bf789 Oops. Need to use -nosmooth so that the output matches the reference images generated by jpeg-8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@772 632fc199-4ca6-4c93-a231-07263d6284db
2012-02-01 02:49:10 +00:00
DRC
cb6157be7a Add more extensive TurboJPEG regression tests
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@771 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 11:38:13 +00:00
DRC
0af8d67bd5 Add tests for the additional scaling factors
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@770 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 11:09:11 +00:00
DRC
7ccb00701f Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@769 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 10:49:23 +00:00
DRC
4a2cdc26be Merge copyright messages into one string and change the run-time messages to avoid confusion (we are not technically based on the latest libjpeg, although we do borrow some code from it)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@768 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 10:47:02 +00:00
DRC
3a5e362bd3 Combine all of the scaling tests using a for loop
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@767 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 10:43:56 +00:00
DRC
1d5b1cf320 Merge copyright messages into one string and change the run-time messages to avoid confusion (we are not technically based on the latest libjpeg, although we do borrow some code from it)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@766 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 10:39:29 +00:00
DRC
66a69f04c6 Incorporate a few upstream doc changes; grammar police; wordsmithing; Move -arithmetic into "switches for advanced users"; Additional documentation for IDCT scaling extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@765 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 10:19:29 +00:00
DRC
ccd1bfdd31 Incorporate a few upstream doc changes; grammar police; wordsmithing; Move -arithmetic into "switches for advanced users"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@764 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 09:53:46 +00:00
DRC
866e6ffeca Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@763 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 08:00:50 +00:00
DRC
9cd4e4b026 Add more extensive TurboJPEG regression tests
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@762 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 07:56:44 +00:00
DRC
7ab0364a37 Move test images into their own subdirectory
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@761 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 05:47:07 +00:00
DRC
fb6c27e4e2 Compiler warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@760 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 05:27:41 +00:00
DRC
6ebf110355 Move test images into their own subdirectory
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@759 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 04:58:26 +00:00
DRC
d65d99a9f5 Compiler warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@758 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-31 03:39:23 +00:00
DRC
ab2df6ea1b Expose new scaling factors in TurboJPEG API
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@757 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-28 06:49:56 +00:00
DRC
33eca7e4f2 Document the new scaling factors
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@756 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-28 06:49:22 +00:00
DRC
e006f5c427 Oops. Height of output buffer should equal scaled height, not JPEG height.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@755 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-28 06:31:44 +00:00
DRC
313a09b4b7 Oops. Height of output buffer should equal scaled height, not JPEG height.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@754 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-28 06:31:21 +00:00
DRC
27fb3fc589 Support additional scaling factors when decompressing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@753 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-28 01:48:07 +00:00
DRC
8660bcba72 Oops. Need to handle cases in which num_components > n
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@752 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-28 01:19:52 +00:00
DRC
8c8124bf51 Oops. Need to handle cases in which num_components > n
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@751 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-28 01:19:23 +00:00
DRC
bf0bdac1d3 Bump version to 1.2.80 (1.3 alpha1) to prepare for receiving new features
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@750 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-27 22:12:49 +00:00
DRC
30913542c0 Be clear that we are only emulating the libjpeg v7/v8 API/ABI, not the library itself.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@749 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-27 09:53:33 +00:00
DRC
ed5430ce9a Be clear that we are only emulating the libjpeg v7/v8 API/ABI, not the library itself.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@748 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-27 09:52:20 +00:00
DRC
b6b30676a3 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@746 632fc199-4ca6-4c93-a231-07263d6284db 2012-01-27 09:42:26 +00:00
DRC
d657ba6093 Move -arithmetic into "switches for advanced users"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@745 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-27 09:41:20 +00:00
DRC
16c6e26e4b Update upstream e-mail address
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@743 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-27 09:28:14 +00:00
DRC
a5dcab663a Create 1.2.x branch
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@741 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-27 05:46:31 +00:00
DRC
12781cb555 Properly decompress erroneous CMYK/YCCK images whose K component has an ID of 1 instead of 4 (this is to support SumatraPDF)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@740 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-27 01:23:20 +00:00
DRC
a7466c9d86 Move INLINE macro into config.h. That's really where it belongs anyhow, since it is used only internally, and putting it in jconfig.h was causing problems with DevIL.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@739 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-26 22:20:31 +00:00
DRC
2d4816591f Merge spacing changes from VirtualGL
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@738 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-17 23:11:06 +00:00
DRC
307156de33 Merge wordsmithing/grammar fixes from trunk
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@737 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-17 23:09:24 +00:00
DRC
81a50f71a3 Grammar police
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@736 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-17 22:56:22 +00:00
DRC
2c62da3c6c Subtle point, but TurboJPEG is the API and TurboJPEG/OSS is the library implementing that API.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@735 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-17 22:55:03 +00:00
DRC
efe28cec4b Compiler warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@734 632fc199-4ca6-4c93-a231-07263d6284db
2012-01-17 11:48:38 +00:00
DRC
b76c8404e3 Add program that demonstrates how to check for the existence of the colorspace extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@733 632fc199-4ca6-4c93-a231-07263d6284db
2011-12-19 15:01:55 +00:00
DRC
67ce3b2352 Added new alpha channel colorspace constants/pixel formats, so applications can specify that they need the unused byte in a 4-component RGB output buffer set to 0xFF when decompressing.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@732 632fc199-4ca6-4c93-a231-07263d6284db
2011-12-19 02:21:03 +00:00
DRC
ab64b62c6b Add LIBJPEG_TURBO_VERSION macro for checking the libjpeg-turbo version at compile time
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@731 632fc199-4ca6-4c93-a231-07263d6284db
2011-12-18 16:29:35 +00:00
DRC
80803ae5fe "which"="that"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@730 632fc199-4ca6-4c93-a231-07263d6284db
2011-12-15 13:12:59 +00:00
DRC
795e6ad334 Fixed non-fatal out-of-bounds read in SSE2 SIMD code reported by valgrind when decompressing a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@729 632fc199-4ca6-4c93-a231-07263d6284db
2011-12-01 11:14:18 +00:00
DRC
c412184bd8 Fixed non-fatal out-of-bounds read in SSE2 SIMD code reported by valgrind when decompressing a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@728 632fc199-4ca6-4c93-a231-07263d6284db
2011-12-01 11:11:29 +00:00
DRC
ebfe9e4a7b Fixed non-fatal out-of-bounds read in SSE2 SIMD code reported by valgrind when decompressing a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@727 632fc199-4ca6-4c93-a231-07263d6284db
2011-12-01 10:58:36 +00:00
DRC
105f9a94ed Expose NASM variable in ccmake
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@726 632fc199-4ca6-4c93-a231-07263d6284db
2011-11-29 09:02:10 +00:00
DRC
0f905d35c2 Expose NASM variable in ccmake
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@725 632fc199-4ca6-4c93-a231-07263d6284db
2011-11-29 09:01:23 +00:00
DRC
1ca924a550 NASM automatically adds the current directory to the include path, but YASM doesn't, so we need to explicitly add it.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@724 632fc199-4ca6-4c93-a231-07263d6284db
2011-11-29 08:58:27 +00:00
DRC
b56ae3d7fa 1.2.0
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@723 632fc199-4ca6-4c93-a231-07263d6284db
2011-11-29 08:53:32 +00:00
DRC
77fee43a02 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@722 632fc199-4ca6-4c93-a231-07263d6284db 2011-11-01 17:14:22 +00:00
DRC
7bc3fb51e3 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@721 632fc199-4ca6-4c93-a231-07263d6284db 2011-10-28 06:45:53 +00:00
DRC
7080ea3c16 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@720 632fc199-4ca6-4c93-a231-07263d6284db 2011-10-28 06:45:06 +00:00
DRC
3c21b08ef1 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@718 632fc199-4ca6-4c93-a231-07263d6284db 2011-10-28 06:25:13 +00:00
DRC
a006fbab0b Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@717 632fc199-4ca6-4c93-a231-07263d6284db
2011-10-27 23:25:28 +00:00
DRC
89c59dd669 iOS doesn't allow dynamic linking against non-system libs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@716 632fc199-4ca6-4c93-a231-07263d6284db
2011-10-27 20:40:21 +00:00
DRC
94755ceb05 ARM + iOS instructions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@715 632fc199-4ca6-4c93-a231-07263d6284db
2011-10-19 05:13:27 +00:00
DRC
8e11a05bd6 Make sure we don't call jpeg_destroy_[de]compress() on an uninitialized struct, as bad mojo can ensue.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@714 632fc199-4ca6-4c93-a231-07263d6284db
2011-10-18 22:07:13 +00:00
DRC
20c7dbc64f Fix compiler warning
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@713 632fc199-4ca6-4c93-a231-07263d6284db
2011-10-18 22:06:22 +00:00
DRC
06420c42c4 Oops. Don't try to use custom filter at the C level unless it is defined at the Java level.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@712 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-26 18:46:09 +00:00
DRC
f69dc28888 Wordsmithing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@711 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-20 18:20:43 +00:00
DRC
4ad6003253 Always link tjbench against jpeg-static instead of the JPEG DLL, since we are only using libjpeg for bitmap I/O
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@710 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-20 05:41:54 +00:00
DRC
6b968b28ae Add TJCustomFilter to Windows build
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@709 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-20 05:35:31 +00:00
DRC
870fd8f1bb Add a couple of missing pages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@708 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-20 05:04:06 +00:00
DRC
f546711076 Implement custom filter callback in Java
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@707 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-20 05:02:19 +00:00
DRC
835b76fb65 Fix 'make docs' with out-of-tree builds
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@706 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-19 18:58:21 +00:00
DRC
c6fa5ba028 Fix 'make headers' with out-of-tree builds
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@705 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-19 18:47:00 +00:00
DRC
57a3736243 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@704 632fc199-4ca6-4c93-a231-07263d6284db 2011-09-17 00:41:14 +00:00
DRC
7bf04d399e Implement a custom DCT filter callback for lossless transforms
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@703 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-17 00:18:31 +00:00
DRC
9a4570a501 Eliminate "main is usually a function" warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@702 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-10 17:30:36 +00:00
DRC
3fbf08bb61 Fill unused byte with 0xFF on Windows as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@701 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-09 18:38:20 +00:00
DRC
d89e01f5ce Use 8-bit write to avoid potential pointer aliasing issues (also, at least on x86, it's faster than the previous approach.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@700 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-09 18:15:53 +00:00
DRC
c08e8c15bc When decompressing to a 4-byte RGB buffer, set the unused byte to 0xFF so it can be interpreted as an opaque alpha channel.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@699 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-08 23:54:40 +00:00
DRC
b4570bbf8c Improve performance of non-SIMD color conversion routines and use global constants to define colorspace extension parameters
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@698 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-07 06:31:00 +00:00
DRC
f12bb305c2 Fix compile error when JCS_EXTENSIONS!=1
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@697 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-07 05:03:18 +00:00
DRC
22bfd9c40f Use descriptions from libjpeg v8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@696 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-07 03:26:06 +00:00
DRC
36edad7a4e Back out CMYK-to-RGB conversions. There is really no way to properly do CMYK-to-RGB conversion without color management, which is out of scope for libjpeg-turbo. Applications wishing to do a trivial conversion, such as was implemented in these routines, can simply request CMYK output and do the trivial conversion themselves (or, even better, use an OSS color management library.) We should not encourage the use of in-library CMYK-to-RGB conversion as a substitute for color management.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@695 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-07 02:32:02 +00:00
DRC
b071f01cbb Update Nokia contact info
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@694 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-06 18:58:22 +00:00
DRC
ad6955d46a Improve performance of IFAST iDCT by changing the order of transpose and descale steps
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@693 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-06 18:57:53 +00:00
DRC
5129e3960f Make ARM ISLOW iDCT faster on typical cases, and eliminate the possibility of 16-bit overflows when handling arbitrary coefficients.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@692 632fc199-4ca6-4c93-a231-07263d6284db
2011-09-06 18:55:45 +00:00
DRC
98a44fe07b Improve the performance of YCbCr to RGB conversion on ARM
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@691 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-24 23:27:44 +00:00
DRC
ce4e3e8690 NEON-accelerated slow integer inverse DCT
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@690 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-22 13:48:01 +00:00
DRC
82bd52196d NEON-accelerated quantization
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@689 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-17 21:00:59 +00:00
DRC
e5c6eb583f git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@688 632fc199-4ca6-4c93-a231-07263d6284db 2011-08-17 20:59:56 +00:00
DRC
a2fdd0c9ab Use integer arithmetic for CMYK-to-RGB conversions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@687 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-16 01:39:05 +00:00
DRC
4b024a62b2 Improve performance of ARM NEON IFAST iDCT
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@686 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-15 08:36:51 +00:00
DRC
0dc7c82f35 Oops
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@685 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-12 19:31:09 +00:00
DRC
3d0fe946e5 Add Nokia copyright (for ARM NEON code)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@684 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-12 19:30:21 +00:00
DRC
8a367177fa git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@683 632fc199-4ca6-4c93-a231-07263d6284db 2011-08-12 19:28:28 +00:00
DRC
7a9376c114 ARM NEON-accelerated RGB-to-YCbCr conversion
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@682 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-12 19:27:20 +00:00
DRC
2a47df6627 Oops
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@681 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-11 02:17:17 +00:00
DRC
51cf51a41c CMYK/YCCK support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@680 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-11 02:16:44 +00:00
DRC
0f65030297 Support for accelerated forward DCT using ARM NEON instructions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@679 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-11 02:15:31 +00:00
DRC
b740054f3c Support for accelerated forward DCT using ARM NEON instructions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@678 632fc199-4ca6-4c93-a231-07263d6284db
2011-08-10 23:31:13 +00:00
DRC
9c4590e37b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@677 632fc199-4ca6-4c93-a231-07263d6284db 2011-07-26 09:22:16 +00:00
DRC
a9b35c965e Don't include JAR file in 32-bit compatibility package
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@676 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-19 09:52:11 +00:00
DRC
1208d50fa6 Trying to out-clever ourselves by having autotools generate the deb-control file broke the 32-bit supplementary DEB, so revert to the method we used in LJT 1.0 to generate this file.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@675 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-19 09:29:01 +00:00
DRC
68a086a147 Trying to out-clever ourselves by having autotools generate the deb-control file broke the 32-bit supplementary DEB, so revert to the method we used in LJT 1.0 to generate this file.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@674 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-19 09:26:23 +00:00
DRC
2091870c9f Oops. Apparently forgot to change the description when borrowing this from VirtualGL
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@673 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-19 09:15:20 +00:00
DRC
e835ee3340 Windows doesn't have random()
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@672 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-15 10:06:56 +00:00
DRC
dc2697da3a Windows doesn't have random()
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@671 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-15 09:55:36 +00:00
DRC
868ca2b377 Use random noise to ensure that the JPEG image generated in the buffer size test exceeds the size of the uncompressed source image.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@670 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-15 05:29:10 +00:00
DRC
724c56b46a Use random noise to ensure that the JPEG image generated in the buffer size test exceeds the size of the uncompressed source image.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@669 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-12 06:22:06 +00:00
DRC
9b49f0e4c7 Re-work TJBUFSIZE() to take into account the level of chrominance subsampling
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@668 632fc199-4ca6-4c93-a231-07263d6284db
2011-07-12 03:17:23 +00:00
DRC
fa9ff8e88c Restore compatibility with the jpeg-6b error enum, even if arithmetic coding is enabled.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@667 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-21 06:17:10 +00:00
DRC
bd1ef431b3 Restore compatibility with the jpeg-6b error enum, even if arithmetic coding is enabled.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@666 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-21 06:13:16 +00:00
DRC
ffdb8f22f6 Prevent jmorecfg.h from re-defining INT32 and INT16 if those types have already been defined by the Windows system headers.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@665 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-21 04:59:41 +00:00
DRC
b7120ca547 Prevent jmorecfg.h from re-defining INT32 and INT16 if those types have already been defined by the Windows system headers.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@664 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-21 04:57:32 +00:00
DRC
eed08614a6 Prevent jmorecfg.h from re-defining INT32 and INT16 if those types have already been defined by the Windows system headers.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@663 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-21 04:56:02 +00:00
DRC
8c60d22ff5 NEON-optimized 2x2 and 4x4 scaled iDCTs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@662 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-17 21:12:58 +00:00
DRC
c52c55670a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@661 632fc199-4ca6-4c93-a231-07263d6284db 2011-06-15 02:43:42 +00:00
DRC
e54b755ab8 iOS ARM support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@660 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-14 22:17:37 +00:00
DRC
4346f91fcb iOS ARM support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@659 632fc199-4ca6-4c93-a231-07263d6284db
2011-06-14 22:16:50 +00:00
DRC
cf137ac46a 1.1.2
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@657 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-31 20:23:07 +00:00
DRC
b8c6ee38b0 Fix a minor ABI incompatibility caused by the introduction of new error constants into the enum in jerror.h.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@656 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-31 20:22:37 +00:00
DRC
0571e17c55 Fix a minor ABI incompatibility caused by the introduction of new error constants into the enum in jerror.h.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@655 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-31 20:17:16 +00:00
DRC
215aa8b78b Re-factor checkBufYUV() function to more closely resemble re-factored checkBuf() function
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@654 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-27 02:10:42 +00:00
DRC
ac906c5308 Change the name of the pre-computed bits table to match its actual function
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@653 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-26 11:28:22 +00:00
DRC
418dbdff66 turbojpegl.c=turbojpeg.c
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@652 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-26 10:45:06 +00:00
DRC
bd86b76e94 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@651 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-25 06:09:09 +00:00
DRC
7e3fd2faf5 jpegtran on Windows needs the same fix as cjpeg and djpeg to eliminate errors when I/O redirection is used.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@650 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 06:04:43 +00:00
DRC
e9f9ec4a4e jpegtran on Windows needs the same fix as cjpeg and djpeg to eliminate errors when I/O redirection is used.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@649 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 06:02:50 +00:00
DRC
4db92add1b Need to set TJFLAG_NOREALLOC for tjTransform()
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@648 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 04:52:25 +00:00
DRC
94f0e03f90 Oops. Add the already-advertised -bmp option
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@647 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 04:35:53 +00:00
DRC
296c71ba0f MinGW seems to barf unless jinclude.h is included before jpeglib.h
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@646 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 04:12:52 +00:00
DRC
312cd79456 "jpegut"="tjunittest" & "jpgtest"="tjbench"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@645 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 04:12:22 +00:00
DRC
b8b359ae97 "jpegut"="tjunittest" & "jpgtest"="tjbench"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@644 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 03:54:56 +00:00
DRC
3185cb94f1 "jpegut"="tjunittest" & "jpgtest"="tjbench"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@643 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 03:52:22 +00:00
DRC
7f73d9b6ad Fix OS X uninstaller
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@642 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 03:51:29 +00:00
DRC
565a5bd5f5 Add dynamic allocation test; Fix compression ratio output in quiet mode; Fix memory leak
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@641 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-25 02:58:21 +00:00
DRC
9a746ad485 Remove wxWindows license files from packages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@640 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 17:33:06 +00:00
DRC
44eb47ef2b Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@639 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 17:18:11 +00:00
DRC
9f5320fd6f Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@638 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 17:14:43 +00:00
DRC
18821f89a7 Fix 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@637 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 17:07:51 +00:00
DRC
4348464a2f Fix build on Windows
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@636 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 17:03:51 +00:00
DRC
d441107013 Added "See also" for tjAlloc() and tjFree()
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@635 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 17:00:15 +00:00
DRC
6b76f75d2c Add new API functions, tjAlloc() and tjFree(), which allow memory to be allocated and freed using a method of the library's choosing. At the moment, the primary purpose for this is to avoid allocating/freeing memory across the DLL boundary on Windows.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@634 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 16:52:47 +00:00
DRC
90215cca0c Fix memory leak in new TurboJPEG auto-reallocation mode
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@633 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 15:15:15 +00:00
DRC
67d1fc1f7c Remove any references to the wxWindows Library License and VirtualGL copyrights
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@632 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 14:13:01 +00:00
DRC
b5624ee8b6 Remove any references to the wxWindows Library License and VirtualGL copyrights
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@631 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 14:12:07 +00:00
DRC
81f5f7c110 Refactor uninstall script. No legacy code remains, so relicense under BSD-style license. Remove uninstall app from package for now, until we can come up with a new version that doesn't have any legacy code.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@630 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 13:59:14 +00:00
DRC
be49b8c0cf Refactored to use new TurboJPEG API and new BMP library + additional cleanup. There is no legacy code remaining, so the refactored version of the program has been re-licensed under a BSD-style license.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@629 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 13:41:27 +00:00
DRC
cb6205a774 Add new API functions to JNI mapfile as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@628 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 13:37:37 +00:00
DRC
61d06e7133 Need stdlib.h to get NULL on Linux
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@627 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 13:37:01 +00:00
DRC
ff78e37595 Don't require buffer size to be preset if using TJFLAG_NOREALLOC
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@626 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 10:17:32 +00:00
DRC
a29294a946 Use tjutil instead of rrutil
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@625 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 09:17:57 +00:00
DRC
20c404d3b3 Add max, min functions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@624 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 09:17:43 +00:00
DRC
3a1bb35117 Prevent header from being included multiple times
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@623 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 09:15:44 +00:00
DRC
0fc884a811 Completely refactor BMP library so that it takes advantage of the existing BMP and PPM load/save routines in libjpeg
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@622 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-24 09:13:17 +00:00
DRC
9792ce8947 Simplify initialization code (we don't have to explicitly initialize a component to 0, because the whole buffer has already been initialized to 0)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@621 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-23 05:50:07 +00:00
DRC
f962fbb44a Refactor slightly to match new C code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@620 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-23 05:49:08 +00:00
DRC
007a42cda4 Clean up error messages; Fix lossless transformation; General cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@619 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-22 13:55:56 +00:00
DRC
a8b8b472b9 Refactored jpegut to test the new TurboJPEG API. There is no legacy code remaining, so the refactored version of the program has been re-licensed under a BSD-style license.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@618 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-22 13:55:17 +00:00
DRC
25b995ad4d Clean up constants so that flags, pixel formats, etc. are clearly differentiated; Update documentation accordingly; Name the enums to make it easier to reference them in the docs and clean up the references accordingly; Set Doxygen option to force a detailed description for the constants to always be generated
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@617 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-21 15:34:54 +00:00
DRC
9b28defe6a Completely refactored the TurboJPEG C API so that it uses pixel formats instead of the clunky pixel size + flags combination to define the pixel size and component order. tjCompress2() and tjTransform() can also now grow the JPEG buffer as needed, which can allow programs to save memory by not pre-allocating the "worst-case" buffer size calculated by TJBUFSIZE(). Converted API documentation to Doxygen. There is no legacy code remaining, so the refactored version of the library has been re-licensed under a BSD-style license.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@616 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-21 14:37:15 +00:00
DRC
f89dd1ec1a Remove duplicate entries
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@615 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-21 14:23:30 +00:00
DRC
ba29357611 Can't assume that current directory is in PATH
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@614 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-18 03:50:53 +00:00
DRC
2bfdb5d4af git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@613 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-10 22:15:26 +00:00
DRC
2c289bfa9b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@612 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-10 22:15:04 +00:00
DRC
34a8e35a4f git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@611 632fc199-4ca6-4c93-a231-07263d6284db 2011-05-10 22:14:38 +00:00
DRC
e19f15e3f2 Not necessary to save r10 and r11, since these are scratch registers
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@610 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-10 21:44:33 +00:00
DRC
a27962bd9a Can't assume that current directory is in PATH
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@609 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-10 21:09:27 +00:00
DRC
750e078179 Include scaled decompression test images when doing 'make dist'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@608 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-10 21:05:49 +00:00
DRC
321e068601 ARM NEON support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@607 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-03 08:47:43 +00:00
DRC
56fb237472 YASM support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@606 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-03 06:32:41 +00:00
DRC
e8738541c9 Fix I/O redirection in cjpeg and djpeg on Windows
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@605 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-02 00:40:13 +00:00
DRC
fd62eca284 Fix I/O redirection in cjpeg and djpeg on Windows
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@604 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-02 00:37:32 +00:00
DRC
5ee81f43cf Fix I/O redirection in cjpeg and djpeg on Windows
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@603 632fc199-4ca6-4c93-a231-07263d6284db
2011-05-02 00:35:50 +00:00
DRC
fad469f51e New libjpeg-turbo domain
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@602 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-30 04:43:23 +00:00
DRC
4f81526385 New libjpeg-turbo domain
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@601 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-27 00:33:14 +00:00
DRC
c07f688aa8 New libjpeg-turbo domain
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@600 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-27 00:32:24 +00:00
DRC
ee269920c4 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@599 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-26 23:46:38 +00:00
DRC
65e0cd3278 Update license text to reflect the newly-relicensed jchuff.c
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@598 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-26 23:44:37 +00:00
DRC
6bb57b7219 Re-factor and re-license under the libjpeg BSD-style license. Justification: the accelerated Huffman encoding optimizations in libjpeg-turbo were all developed by me as an independent developer. The structure of the inline Huffman encoding macros was originally borrowed from similar routines in the TurboJPEG/mediaLib codec, which is part of VirtualGL and TurboVNC. Thus, although the code for these macros was not copied verbatim, they were still thought to be a derivative work of TurboJPEG/mediaLib, and I assigned the copyright and license from TurboJPEG/mediaLib to them. I have re-written these routines from first principles by breaking down the libjpeg out-of-line routines. Although the new code bears algorithmic similarities to the TurboJPEG/mediaLib macros, it can now clearly be shown to be derived from the out-of-line routines and thus, in my opinion, it can no longer be considered a derivative of TurboJPEG/mediaLib. -- DRC
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@597 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-26 22:08:31 +00:00
DRC
4852d283d7 Add more comprehensive tests for IDCT scaling
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@596 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-25 23:56:40 +00:00
DRC
83c8f14fa2 Eliminate excessive I/O overhead when reading BMP files in cjpeg
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@595 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-25 22:53:44 +00:00
DRC
f165c2dfc5 Eliminate excessive I/O overhead when reading BMP files in cjpeg
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@594 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-25 22:47:44 +00:00
DRC
d884011c17 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@593 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-25 22:46:25 +00:00
DRC
049aef51d4 Eliminate excessive I/O overhead when reading BMP files in cjpeg
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@592 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-25 22:41:14 +00:00
DRC
1f8b6010ea git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@591 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-18 07:01:46 +00:00
DRC
bc51580f28 Re-factor and re-license under the libjpeg BSD-style license. Justification: the accelerated Huffman decoding optimizations in libjpeg-turbo were all developed by me as an independent developer. The structure of the inline Huffman decoding macros was originally borrowed from similar routines in the TurboJPEG/mediaLib codec, which is part of VirtualGL and TurboVNC. Thus, although the code for these macros was not copied verbatim, they were still thought to be a derivative work of TurboJPEG/mediaLib, and I assigned the copyright and license from TurboJPEG/mediaLib to them. I have re-written these routines from first principles by breaking down the libjpeg out-of-line routines. Although the new code bears algorithmic similarities to the TurboJPEG/mediaLib macros, it can now clearly be shown to be derived from the out-of-line routines and thus, in my opinion, it can no longer be considered a derivative of TurboJPEG/mediaLib. -- DRC
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@590 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-18 06:52:07 +00:00
DRC
c56a74cdac Get rid of unused IS_WIN32 conditional
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@589 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-17 15:36:38 +00:00
DRC
51705fb967 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@588 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-17 15:31:46 +00:00
DRC
8071c391bc git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@587 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-17 15:29:17 +00:00
DRC
e43d21d57f git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@586 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-17 15:28:32 +00:00
DRC
9e6378c448 The previous attempt to handle unexpected markers in the data stream caused breakage in applications that attempted to set bytes_in_buffer to a larger value than the actual size of the JPEG image. The latter behavior was causing the fast decoder to be used for the last MCU in the image under certain circumstances, and this sometimes caused the EOI marker to be encountered by the fast decoder, which was treating it as an "unexpected" marker and throwing an error. Now, the fast decoder simply hands off the decoding of the block to the slow decoder if any marker is encountered.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@585 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 18:54:12 +00:00
DRC
051d962318 The previous attempt to handle unexpected markers in the data stream caused breakage in applications that attempted to set bytes_in_buffer to a larger value than the actual size of the JPEG image. The latter behavior was causing the fast decoder to be used for the last MCU in the image under certain circumstances, and this sometimes caused the EOI marker to be encountered by the fast decoder, which was treating it as an "unexpected" marker and throwing an error. Now, the fast decoder simply hands off the decoding of the block to the slow decoder if any marker is encountered.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@584 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 18:53:26 +00:00
DRC
62de12281a This is subtle, but an unread marker is not an error unless we run out of bits, which may not occur in the same MCU in which the unread marker is encountered. Thus, don't try to use the fast decoder as long as there is an outstanding unread marker.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@583 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 18:50:42 +00:00
DRC
5c36465fd5 The previous attempt to handle unexpected markers in the data stream caused breakage in applications that attempted to set bytes_in_buffer to a larger value than the actual size of the JPEG image. The latter behavior was causing the fast decoder to be used for the last MCU in the image under certain circumstances, and this sometimes caused the EOI marker to be encountered by the fast decoder, which was treating it as an "unexpected" marker and throwing an error. Now, the fast decoder simply hands off the decoding of the block to the slow decoder if any marker is encountered.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@582 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 17:39:58 +00:00
DRC
9026b37c0b "OS/X"="OS X"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@581 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 13:37:22 +00:00
DRC
254937b33b Update build instructions to reflect the fact that 32-bit LJT build doesn't work with NASM 0.99 or 2.00
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@580 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 13:35:35 +00:00
DRC
59f954b323 Update build instructions to reflect the fact that 32-bit LJT build doesn't work with NASM 0.99 or 2.00
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@579 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 13:29:54 +00:00
DRC
58454c74cc Update build instructions to reflect the fact that 32-bit LJT build doesn't work with NASM 0.99 or 2.00
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@578 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-16 13:26:36 +00:00
DRC
ddcd5a1979 Use option() to handle configuration variables, so they will show up in the CMake GUI
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@577 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-15 00:24:02 +00:00
DRC
98b8529d1f Use option() to handle configuration variables, so they will show up in the CMake GUI
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@576 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-15 00:20:15 +00:00
DRC
dc6f6a9c4e Don't need MSVC definition in assembler code anymore
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@575 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-07 05:27:29 +00:00
DRC
577ae78c30 Don't need MSVC definition in assembler code anymore
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@574 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-07 05:26:52 +00:00
DRC
926e01ffe1 Attempt to make build work with Visual Studio 2010 (still doesn't work if SIMD or Java are enabled-- see bug tracker)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@573 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-06 06:35:38 +00:00
DRC
d9ee65c24a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@572 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-05 07:01:26 +00:00
DRC
2a33dfcaab git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@571 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-05 06:51:59 +00:00
DRC
b05ebcbcc4 Attempt to make build work with Visual Studio 2010 (still doesn't work if SIMD or Java are enabled-- see bug tracker)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@570 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-04 21:00:53 +00:00
DRC
2ffcb8eaf7 Comment code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@569 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-04 04:56:24 +00:00
DRC
e7fde87ca5 Fix jpegoptim with v7 emulation as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@568 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-03 07:09:49 +00:00
DRC
7394e27b16 Fix jpegoptim with v7 emulation as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@567 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-03 07:08:18 +00:00
DRC
db42506734 Allow customization of Java compiler flags
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@566 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-03 06:10:18 +00:00
DRC
59a58343ea Ensure that image_width and image_height are initialized if libjpeg v8 emulation is enabled.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@565 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 05:40:16 +00:00
DRC
df48945d2d Ensure that image_width and image_height are initialized if libjpeg v8 emulation is enabled.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@564 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 05:37:49 +00:00
DRC
279bd348ce Change build instructions and README to reflect the fact that the Java front-end classes are now part of the build and distribution
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@563 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 05:17:12 +00:00
DRC
a0f878a07b Add testclean target for cleaning up test images
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@562 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 04:43:14 +00:00
DRC
b0428a73c0 Fix compiler warning
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@561 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 04:19:21 +00:00
DRC
848f225e2f Oops. Constructor should actually do something.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@560 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 03:43:12 +00:00
DRC
62c6f9811b Distribute TJLoader.java.in
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@559 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 02:33:29 +00:00
DRC
58b6ec4580 Ensure that *gra*.asm is rebuilt whenever *gry*.asm changes.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@558 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 02:14:13 +00:00
DRC
b2f9415a63 Slight refactor to put ScalingFactor into its own class (mainly because the $ in the class name was wreaking havoc on the build scripts, but also to add a few convenience methods to it) and to create a separate loader class so we can provide a .jar file with the MinGW distribution that loads the correct DLL
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@557 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-02 02:09:03 +00:00
DRC
86e51f2268 Fix compiler warning with OpenJDK
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@556 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-01 20:31:03 +00:00
DRC
9db6bebe23 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@555 632fc199-4ca6-4c93-a231-07263d6284db 2011-04-01 11:26:10 +00:00
DRC
9e50fa7fbe Fixed a regression bug in the NSIS script that caused the Windows installer
build to fail when using the Visual Studio IDE.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@554 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-01 11:24:31 +00:00
DRC
957d623461 Include TurboJPEG/OSS Java wrapper JAR in Windows distribution packages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@553 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-01 11:13:11 +00:00
DRC
01fa031b85 Fix regression bug that caused the "Installer" targets to fail when building from the MSVC IDE
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@552 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-01 11:10:46 +00:00
DRC
88f54a4a5d Modify build instructions to reflect the fact that the Java front-end classes are now built along with the JNI wrapper
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@551 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-01 01:21:22 +00:00
DRC
dffd53da5d Fix 'make dist' so that it includes only what we need from java/ (it was errantly including java/Makefile)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@550 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-01 00:37:20 +00:00
DRC
f2602ce567 Build and package TurboJPEG/OSS Java wrapper into JAR file
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@549 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-01 00:20:33 +00:00
DRC
b6ed7d347a Use a different naming convention, to avoid conflict with jpegut
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@548 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 20:58:03 +00:00
DRC
04def09ea9 Use the same naming convention for the output files as the Java tests
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@547 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 20:48:30 +00:00
DRC
4f8c29572e Clean up compiler warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@546 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 10:06:17 +00:00
DRC
ba6f457099 make testclean should clean up .yuv and 4:4:0 files as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@545 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 09:41:53 +00:00
DRC
e44f8c0112 make testclean should clean up .yuv files as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@544 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 09:19:53 +00:00
DRC
e08c05f6e8 "JAVA_CFLAGS"="JNI_CFLAGS"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@543 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 08:03:26 +00:00
DRC
1e14b47c22 Get rid of unused IS_WIN32 conditional
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@542 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 04:15:50 +00:00
DRC
bb83575b75 Get rid of unused IS_WIN32 conditional
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@541 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-31 04:14:55 +00:00
DRC
b97bafdfd7 Create local round up function for jmemmgr.c so we can revert the original argument types of jround_up() without breaking the build on 64-bit Windows.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@540 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-29 05:01:23 +00:00
DRC
a8eabfebd1 Create local round up function for jmemmgr.c so we can revert the original argument types of jround_up() without breaking the build on 64-bit Windows.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@539 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-29 04:58:40 +00:00
DRC
1da7858d24 MinGW64 no longer prefixes symbols with underscores by default
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@538 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 09:34:01 +00:00
DRC
b94f2de41d Clean up packaging system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@537 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 09:31:25 +00:00
DRC
cd2e6946bb MinGW64 no longer prefixes symbols with underscores by default
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@536 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 09:19:29 +00:00
DRC
1c87e45cff We want to keep the same name for the install directory, even though the installer name has changed
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@535 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 06:49:31 +00:00
DRC
539b288780 Typo
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@534 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 06:28:04 +00:00
DRC
47aaf6fa15 MinGW64 no longer prefixes symbols with underscores by default
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@533 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 05:40:39 +00:00
DRC
328c4388b7 Oops. Forgot to generate makecygwinpkg
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@532 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 05:04:30 +00:00
DRC
e6f597f28f Don't use architecture extension in package name, since we're building a combined package
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@531 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 03:19:11 +00:00
DRC
bfa34cf143 "release/"="pkgscripts/"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@530 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 01:38:04 +00:00
DRC
5e091d4d1f Need to put the generated packaging scripts in a directory other than release/ so they won't get distributed
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@529 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 01:21:42 +00:00
DRC
95db4f48a5 Clean up packaging system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@528 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-22 00:20:43 +00:00
DRC
1a79ede633 1.1.1
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@527 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-21 22:42:31 +00:00
DRC
a6471c34ed git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@526 632fc199-4ca6-4c93-a231-07263d6284db 2011-03-18 05:59:21 +00:00
DRC
f5c3bb38bc git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@525 632fc199-4ca6-4c93-a231-07263d6284db 2011-03-18 05:59:07 +00:00
DRC
fe6a2ee5a1 Throw a warning if an unexpected marker is found in the middle of the JPEG data stream
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@524 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-18 05:49:26 +00:00
DRC
ebf239d056 Throw a warning if an unexpected marker is found in the middle of the JPEG data stream
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@523 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-18 05:44:55 +00:00
DRC
60de06ef7a Throw a warning if an unexpected marker is found in the middle of the JPEG data stream
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@522 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-18 05:44:27 +00:00
DRC
df1c38df74 Throw a warning if an unexpected marker is found in the middle of the JPEG data stream
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@521 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-18 05:40:33 +00:00
DRC
1f014c32e6 Fix compression from/decompression to TYPE_INT_{RGB|BGR} BufferedImages on big endian platforms
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@520 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-17 07:39:25 +00:00
DRC
2c74e5124d More Java API cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@519 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-16 00:02:53 +00:00
DRC
92549de2c2 Java code cleanup + Java docs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@518 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-15 20:52:02 +00:00
DRC
d932e58217 tjTransform() was not working properly if r.w=0 or r.h=0
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@517 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-15 20:09:47 +00:00
DRC
16958e823e Wordsmithing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@516 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-15 19:33:43 +00:00
DRC
7c99822efb Add notes about performance
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@515 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-10 07:25:41 +00:00
DRC
16c7077887 Add an option to display the output image
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@514 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-07 09:59:08 +00:00
DRC
1da67e18a3 If a scaled-down JPEG output image is requested, we must decompress and recompress the transformed image.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@513 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-07 08:21:11 +00:00
DRC
23da0c0e41 On Windows, long is 32-bit, so use jlong instead
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@512 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 15:28:16 +00:00
DRC
e217b7ea54 We actually don't need windows.h at all, and it makes both MinGW and VC++ unhappy because of conflicting macros (such as INT32 in jmorecfg.h)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@511 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 14:57:14 +00:00
DRC
2930fa8e9c MinGW already has snprintf(), so don't use our macro substitute there
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@510 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 14:37:00 +00:00
DRC
6bd084afd2 Oops. Forgot to add TJTransform class
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@509 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 14:10:29 +00:00
DRC
e856eb0f8f Include new grayscale SIMD routines in dist
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@508 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 14:05:23 +00:00
DRC
15866ac1da git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@507 632fc199-4ca6-4c93-a231-07263d6284db 2011-03-04 13:46:55 +00:00
DRC
31334415ae Add access methods for getting at the JPEG buffer
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@506 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 13:41:05 +00:00
DRC
7d4b001665 If transforming and outputting a JPEG file, output the transformed file directly instead of decompressing/recompressing it
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@505 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 13:40:42 +00:00
DRC
bb0e0b57dd Add TJTransformer JNI functions to mapfile
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@504 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 13:39:46 +00:00
DRC
d0a813632b Handle 4:4:0 (transposed 4:2:2 subsampling)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@503 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 13:04:24 +00:00
DRC
a3f68b4d2a Handle 4:4:0 (transposed 4:2:2 subsampling)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@502 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 12:52:45 +00:00
DRC
e85730157e Implement lossless cropping interface in Java
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@501 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 10:13:59 +00:00
DRC
46531c3265 Don't need PAD() anymore
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@500 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 10:01:22 +00:00
DRC
2e2358eae4 Print stack trace on error
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@499 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 09:54:59 +00:00
DRC
ad05754a87 Methods of a final class are automatically final
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@498 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 09:15:07 +00:00
DRC
d8ebb6b654 Modify filename of decompressed output files to indicate that scaling was used
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@497 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 04:14:47 +00:00
DRC
ddd728c6bd If losslessly transforming to grayscale, compute trimmed dimensions based on grayscale MCU size, not MCU size of source image
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@496 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 03:38:47 +00:00
DRC
ba5ea5143e Tile generation did not work with TJXFORM_HFLIP, because the underlying transform code was using an in-place algorithm, which modified the source coefficients after the first tile was generated. Thus, create a new option which allows TurboJPEG to turn off the in-place horizontal flip if there are multiple transforms being performed from the same set of coefficients.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@495 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 03:20:34 +00:00
DRC
f2cef492b1 Transform tests; Variable benchmark time; General cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@494 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-04 02:25:00 +00:00
DRC
6a833a8ee0 Add an option to force grayscale->RGB conversion (needed for jpgtest regression test)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@493 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-03 16:58:47 +00:00
DRC
3c2d7f21a4 Move per-format flag assignments to the actual TurboJPEG function calls
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@492 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 10:30:29 +00:00
DRC
9977e28a09 Make the C version work more like the Java version
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@491 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 10:13:55 +00:00
DRC
45358dd140 Generate separate JPEG images for the YUV decode tests
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@490 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 09:30:57 +00:00
DRC
0a07969273 Oops. Left out the all-important transform structures
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@489 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 09:27:49 +00:00
DRC
0a325197de Since lossless transforms have such a high fixed performance cost, implement a mechanism for performing more than one at a time on the same source image.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@488 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 09:22:41 +00:00
DRC
a81d3101da Wordsmithing and general cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@487 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 09:05:09 +00:00
DRC
da5220acdd Fix Windows build; Add grayscale tests to Windows build; Add proper implementation of snprintf on Windows and use snprintf() in TurboJPEG library and tests instead of sprintf()
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@486 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 02:17:30 +00:00
DRC
e6ab539b1d Fix compiler warnings in Visual C++
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@485 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 01:30:38 +00:00
DRC
43a29d2c17 Fix compiler warnings in Visual C++
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@484 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 01:27:26 +00:00
DRC
6acf52b5f9 Perform size checks on arrays
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@483 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-02 01:09:20 +00:00
DRC
5528b55834 Use new scaling API
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@482 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 20:43:47 +00:00
DRC
0f1f60d080 Make error handling more consistent with other TurboJPEG C code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@481 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 20:23:12 +00:00
DRC
b15b7df690 Use "bailout" label to be more consistent with other TurboJPEG C code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@480 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 20:17:12 +00:00
DRC
f7f3ea404c Use consistent formatting conventions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@479 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 20:03:32 +00:00
DRC
20ec358b3c Add getScalingFactors() method to libturbojpeg version script
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@478 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 10:20:23 +00:00
DRC
109a578e89 tjGetScaledSize() would never be able to accommodate scaling factors > 1, so replace it with a function that returns a list of fractional scaling factors that TurboJPEG supports.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@477 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 09:53:07 +00:00
DRC
7166bb7b3a Don't call jpeg_finish_compress() with YUV output, because it tries to insert an EOI marker right in the middle of our image data.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@476 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 08:23:53 +00:00
DRC
6ee5459459 Don't call jpeg_finish_compress() with YUV output, because it tries to insert an EOI marker right in the middle of our image data.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@475 632fc199-4ca6-4c93-a231-07263d6284db
2011-03-01 08:18:30 +00:00
DRC
438affe886 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@474 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-28 22:23:37 +00:00
DRC
1a3dbe6fba Unused variables
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@473 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-28 10:51:55 +00:00
DRC
23f2bbaeda Improve performance a bit for the non-SIMD case
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@472 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-27 10:51:20 +00:00
DRC
5a9d6c3722 Improve performance a bit for the non-SIMD case
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@471 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-27 10:26:08 +00:00
DRC
66df5eca03 Oops. cconvert is still needed for 12-bit samples
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@470 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-27 09:48:48 +00:00
DRC
ddb158c5c1 Add short names for RGB->grayscale MMX functions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@468 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-27 09:09:54 +00:00
DRC
07122dd2fe Change filename in header
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@467 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-27 07:59:38 +00:00
DRC
0244061515 Make Visual C++ happy
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@466 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-27 00:08:06 +00:00
DRC
da58a91d1e Make Visual C++ happy
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@465 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-27 00:07:51 +00:00
DRC
890f1e0413 Expose libjpeg lossless transform feature in TurboJPEG/OSS
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@464 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 22:02:37 +00:00
DRC
17ac3720f1 Fix compiler warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@463 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 21:20:46 +00:00
DRC
5d1e034a12 Enable full GCC compiler warnings by default
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@462 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 21:12:36 +00:00
DRC
0769f505bf Fix compiler warnings
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@461 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 21:08:39 +00:00
DRC
b4a50ceefb Enable full GCC compiler warnings by default
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@460 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 21:07:50 +00:00
DRC
992611b689 "tjScaledSize"="tjGetScaledSize" (again)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@459 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 20:15:27 +00:00
DRC
98a7bdec4e Remove entry for tjScaledSize()
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@458 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 20:04:23 +00:00
DRC
89d11649a1 Include tjGetScaledSize() in version scripts
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@457 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 19:59:01 +00:00
DRC
1b1e88674a "tjScaledSize"="tjGetScaledSize"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@456 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 19:53:58 +00:00
DRC
361a637174 Fix uninitialized variables
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@455 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-26 19:46:27 +00:00
DRC
88534c50aa Add RGB --> Grayscale YUV decoding test
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@454 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 06:21:54 +00:00
DRC
3484e0b160 Add RGB-->Grayscale YUV decode test
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@453 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 06:21:15 +00:00
DRC
e4d9b5b76a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@452 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-25 06:17:17 +00:00
DRC
4f1580cc0e Implement YUV encode/decode methods at the Java level; Remove some of the arguments from the Java API and replace with get/set methods; General API cleanup; Fix BufferedImage grayscale tests in TJUnitTest
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@451 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 06:11:03 +00:00
DRC
d5a69afa5a Fix the buffer size regression test so that it generates the intended pixel patterns
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@450 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 02:13:07 +00:00
DRC
0a192aca50 Oops. Committed some debugging code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@449 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 02:12:11 +00:00
DRC
8424160345 Replace the TJ_YUV flag with two new API functions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@448 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 02:08:23 +00:00
DRC
0745c0fb6a Correct memory allocation failure messages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@447 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 01:31:13 +00:00
DRC
94476c648b Only access TJBUFSIZEYUV symbol if YUV encoding is enabled, and add 1 to the buffer size; This allows jpgtest to be used to benchmark the old TurboJPEG/IPP libraries.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@446 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 01:14:46 +00:00
DRC
0cc1279e03 Use correct size for YUV buffers
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@445 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 00:54:29 +00:00
DRC
6a1580f88c Tiling doesn't work with YUV encoding either
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@444 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 00:26:07 +00:00
DRC
f8552faa09 Fix various CR/LF issues
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@443 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 00:25:31 +00:00
DRC
9fa95594c2 Use a proper version script for libturbojpeg
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@442 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 00:23:44 +00:00
DRC
10e3193373 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@441 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-25 00:14:12 +00:00
DRC
eeab6957dd Replace the TJ_YUV flag with two new API functions, and add TJBUFSIZEYUV() from trunk
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@440 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-25 00:02:04 +00:00
DRC
5cb1b68d39 Tiling doesn't work with YUV encoding either
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@439 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-24 22:13:20 +00:00
DRC
0b11d1c815 Fix various CR/LF issues
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@438 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-24 21:43:35 +00:00
DRC
582a46a59e Ensure that libjpeg state is reset if an error occurs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@437 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-24 21:16:10 +00:00
DRC
6e51e19b1c Use a proper version script for libturbojpeg, since we've added functions to it since 1.0
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@436 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-24 19:36:02 +00:00
DRC
0ad78a688c Add line feed
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@435 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 20:57:17 +00:00
DRC
026f7cea77 Numerous enhancements, including using the new BufferedImage support to read/write non-JPEG files
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@434 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 20:51:54 +00:00
DRC
b605cac79e Check for invalid subsampling factor
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@433 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 20:51:23 +00:00
DRC
84a1bcca6f Support for compressing from/decompressing to a BufferedImage in the Java wrapper
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@432 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 12:09:56 +00:00
DRC
3bad53fa04 More JNI cleanup + added unit test and fixed bugs uncovered by it
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@431 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 02:20:49 +00:00
DRC
cce6b43463 Oops. dumpbuf() was displaying only red components.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@430 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 01:41:26 +00:00
DRC
2ca3eb5660 Oops. dumpbuf() was displaying only red components.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@429 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 01:40:44 +00:00
DRC
7ffa0c85de Oops. dumpbuf() was displaying only red components.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@428 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-23 01:40:22 +00:00
DRC
404e82e070 Test all YUV decode paths
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@427 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 19:59:54 +00:00
DRC
601a433b1a Test all YUV decode paths
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@426 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 19:59:05 +00:00
DRC
e0d4d34f10 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@425 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-22 10:28:18 +00:00
DRC
36336fcddc Streamline Java wrapper
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@424 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 10:27:31 +00:00
DRC
4e8ae08b00 Add new functions to anonymous version script
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@423 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 06:44:50 +00:00
DRC
b28fc5710a Make the scaling API a bit more friendly
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@422 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 06:41:29 +00:00
DRC
45bd1f2bd4 "TurboJPEG/OSS"="TurboJPEG", since the TurboJPEG header is used with other codecs besides libjpeg-turbo
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@421 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 00:36:04 +00:00
DRC
7d9d434826 "TurboJPEG/OSS"="TurboJPEG", since the TurboJPEG header is used with other codecs besides libjpeg-turbo
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@420 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 00:31:27 +00:00
DRC
f3cf973e8e Add TJBUFSIZEYUV() convenience function
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@419 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-22 00:16:14 +00:00
DRC
035aac43b0 RGBA=RGBX, BGRA=BGRX, ABGR=XBGR, ARGB=XRGB
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@418 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 18:10:05 +00:00
DRC
b67c2dce8b Implement "ultra quiet mode" for generating output that is easy to copy/paste into a spreadsheet
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@417 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 18:06:09 +00:00
DRC
c4c304950d Wordsmithing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@416 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 17:57:08 +00:00
DRC
9cd2c42e84 Include jpgtest in Unix/Linux distribution packages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@415 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 17:52:45 +00:00
DRC
c62cc7678d Include libjpeg run-time programs and jpgtest in installer; Move documentation in SDK distribution packages into doc\ subdirectory
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@414 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 17:50:23 +00:00
DRC
52c479d578 Disable CXX compiler check
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@413 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 17:48:26 +00:00
DRC
b4b31403c7 RGBA=RGBX, BGRA=BGRX, ABGR=XBGR, ARGB=XRGB
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@412 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 17:31:24 +00:00
DRC
2a28599343 Implement "ultra quiet mode" for generating output that is easy to copy/paste into a spreadsheet
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@411 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 17:20:11 +00:00
DRC
3e87c8b0a4 Wordsmithing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@410 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 16:42:14 +00:00
DRC
db8df01c85 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@409 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-19 00:01:11 +00:00
DRC
240d82f8be Include jpgtest in Unix/Linux distribution packages
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@408 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-19 00:00:34 +00:00
DRC
8569c2f5a6 Include libjpeg run-time programs and jpgtest in installer; Move documentation in SDK distribution packages into doc\ subdirectory
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@407 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 23:49:42 +00:00
DRC
5d6f858235 Disable CXX compiler check
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@406 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 23:08:58 +00:00
DRC
0df25a7340 Wordsmithed the project description
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@405 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 22:47:32 +00:00
DRC
2ddcc6334b Distribute high-quality and grayscale test images
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@404 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 22:46:05 +00:00
DRC
f3281e8275 Oops. We still had the description left over from VirtualGL
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@403 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 22:40:34 +00:00
DRC
0d2d965364 Wordsmithed the project description
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@402 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 22:29:45 +00:00
DRC
16e761e59c Include high-quality test image in distribution
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@401 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 21:20:50 +00:00
DRC
69e15442f3 1.1.0
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@400 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 21:16:56 +00:00
DRC
da509e32c6 New C version of jpgtest needs libm
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@399 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 21:16:04 +00:00
DRC
9af407729b The API/ABI should be described as "libjpeg v8", not "libjpeg v8b", since there are multiple libjpeg releases with the same interface
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@398 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 20:55:20 +00:00
DRC
4db36eb09e Add high-quality JPEG tests to CMake build system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@397 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 20:52:57 +00:00
DRC
0700eab8a2 Various doc tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@396 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 20:51:10 +00:00
DRC
a49c4e5247 The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@395 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 20:50:08 +00:00
DRC
392e0483a3 Updated (C)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@394 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 20:43:04 +00:00
DRC
c86663335b SIMD-accelerated RGB-to-Grayscale color conversion
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@393 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 11:23:45 +00:00
DRC
23ce65d25d Updated (C)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@392 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 07:02:32 +00:00
DRC
f38eee0739 The API/ABI should be described as "libjpeg v8", not "libjpeg v8b", since there are multiple libjpeg releases with the same interface
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@391 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 07:00:38 +00:00
DRC
d24b276820 Re-order high-quality JPEG test per existing convention
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@390 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 05:24:50 +00:00
DRC
94a402305c Also run high-quality JPEG test when code is built without SIMD extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@389 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 05:15:59 +00:00
DRC
c4ef01fc66 Add high-quality JPEG tests to CMake
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@388 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 05:06:58 +00:00
DRC
ab4db657db Various documentation tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@387 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 04:55:08 +00:00
DRC
856fd82ea3 More doc tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@386 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 04:50:45 +00:00
DRC
39f3aa0871 Various documentation tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@385 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 04:39:36 +00:00
DRC
6514105007 Include high-quality test image in distribution
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@384 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 03:55:25 +00:00
DRC
6ca69537f1 The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@383 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 03:31:11 +00:00
DRC
f0a5ba7542 "integer forward DCT", not "forward integer DCT"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@382 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 03:21:06 +00:00
DRC
e1716b8507 The fast integer DCT degrades for qualities > 95, so use the slow integer DCT instead to ensure that perceptually lossless performance is maintained.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@381 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 03:19:43 +00:00
DRC
7c1df0a430 Performance pitfalls
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@380 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 02:45:24 +00:00
DRC
bb4465f392 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@379 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-18 02:41:03 +00:00
DRC
72abc29722 The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@378 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-18 01:45:24 +00:00
DRC
e2f3718d39 Fix typo that was causing visual artifacts in grayscale JPEGs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@377 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-17 07:53:46 +00:00
DRC
fc1970acef Fix typo that was causing visual artifacts in grayscale JPEGs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@376 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-17 07:51:35 +00:00
DRC
e1303ef099 Expose TurboJPEG scaling features in Java wrapper
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@375 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-16 03:26:48 +00:00
DRC
942029fd93 Print scaled image size when performing verbose decompression test
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@374 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-16 02:29:07 +00:00
DRC
4a3322df1e Fix seg fault
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@373 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-16 02:25:40 +00:00
DRC
dae3ee9f67 Test scaled decompression feature in TurboJPEG
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@372 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-16 02:08:17 +00:00
DRC
dbf80031ae Not using Intel codec anymore
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@371 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-16 01:39:29 +00:00
DRC
bc507f672d Use same naming scheme for output files as v1.1
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@370 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-16 01:23:48 +00:00
DRC
72b0f2b68e General code cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@369 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 21:57:50 +00:00
DRC
993bf0e515 General code cleanup
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@368 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 21:57:26 +00:00
DRC
8ed7b81403 Added scaling API to TurboJPEG/OSS
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@367 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 08:31:34 +00:00
DRC
8254df1a06 Document that pitch=0 == pitch=width*pixelsize
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@366 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 07:57:48 +00:00
DRC
e9cf55cc94 Ensure that YUV temp buffers get properly freed if a failure occurs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@365 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 05:26:28 +00:00
DRC
91e86ba6cf Ensure that YUV temp buffers get properly freed if a failure occurs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@364 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 05:24:08 +00:00
DRC
f98553bae1 Ensure that the exit status of the program indicates failure if one of the pixel value checks fails
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@363 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 05:19:31 +00:00
DRC
cfef7f1bd8 Ensure that the exit status of the program indicates failure if one of the pixel value checks fails
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@362 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 05:17:20 +00:00
DRC
b306607ad6 Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@361 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 04:04:02 +00:00
DRC
b8cc52bf1a Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@360 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-15 03:59:11 +00:00
DRC
e27124ab39 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@359 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-08 07:14:33 +00:00
DRC
c5a419970e Restructure Java classes into their own package
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@358 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-08 06:54:36 +00:00
DRC
2413cb8673 Use Java capitalization conventions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@357 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-08 02:11:37 +00:00
DRC
2e4e0c0779 New C version of jpgtest needs libm
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@356 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-08 02:09:04 +00:00
DRC
2e4d044cab Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@355 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-08 01:18:37 +00:00
DRC
a3c3059fe2 Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@354 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-07 08:06:16 +00:00
DRC
8b38f49a8a git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@353 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-06 18:51:24 +00:00
DRC
389c47248b JNI expects symbols to either have both an underscore and an @ suffix or to have neither, so since MinGW doesn't add an underscore, we need to disable the suffix as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@352 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-06 18:48:13 +00:00
DRC
d00dea3052 Update (C) message
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@351 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-06 16:35:58 +00:00
DRC
0caa0b4ebf 1.1.90
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@350 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-06 16:11:41 +00:00
DRC
207a03b377 Add java/ to dist
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@349 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-06 15:58:22 +00:00
DRC
1b0c3b01de Propagate --with-jni down to RPM SPEC
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@348 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-06 15:51:27 +00:00
DRC
1421a264e4 Don't set BUILDJNILIB=1 or default JAVA_CFLAGS unless --with-jni is specified
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@347 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-06 15:35:38 +00:00
DRC
218c0c1db3 Build JNI wrapper on Windows
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@346 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-05 06:01:18 +00:00
DRC
f2214c2e6b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@345 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-05 05:51:46 +00:00
DRC
ed6526f002 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@344 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-05 05:41:18 +00:00
DRC
25c58709e3 OS X Tiger requires that JNI libraries have the extension .jnilib, so create a sym link to make it happy
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@343 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-05 04:41:36 +00:00
DRC
285bbef159 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@342 632fc199-4ca6-4c93-a231-07263d6284db 2011-02-05 04:17:37 +00:00
DRC
063ab49603 Detect jni.h; Provide mechanism for adding include paths necessary to find it; Set intelligent defaults for Linux/Mac/Solaris
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@341 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-04 22:16:41 +00:00
DRC
9af1aedcdb Eliminate compiler warnings in Sun Studio
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@340 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-04 22:13:14 +00:00
DRC
5ccb982332 JNI interface changed for TJ class, since it only has static methods now
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@339 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-04 11:22:15 +00:00
DRC
de3c86120c 1.1.90
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@338 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-04 11:07:34 +00:00
DRC
f8e0055a6a Add JNI wrapper for TurboJPEG/OSS
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@337 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-04 11:06:36 +00:00
DRC
353477f47a Oops. Committed debugging code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@336 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-02 06:02:38 +00:00
DRC
af1ca9bcc1 Clarify that the C wrappers and headers fall under the same license as the rest of the SIMD code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@335 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-02 05:42:37 +00:00
DRC
daae6d966a Clarify that the C wrappers and headers fall under the same license as the rest of the SIMD code
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@334 632fc199-4ca6-4c93-a231-07263d6284db
2011-02-02 05:41:15 +00:00
DRC
958b2c0c9b git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@330 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 08:00:40 +00:00
DRC
4a1c2d9693 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@329 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 08:00:10 +00:00
DRC
9dcb1af2f6 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@328 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 07:56:21 +00:00
DRC
c4bce4857e git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@327 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 07:51:25 +00:00
DRC
b52e7334f6 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@326 632fc199-4ca6-4c93-a231-07263d6284db 2011-01-28 07:48:41 +00:00
DRC
a4efd4eec7 Create 1.1.x branch
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@325 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-28 06:06:34 +00:00
DRC
fa1d18385d Further protect against invalid Huffman codes
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@324 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-26 05:35:20 +00:00
DRC
79778f6588 1.0.2
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@323 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-26 05:34:01 +00:00
DRC
a432ff43a2 Create 1.0.x branch
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@322 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-26 05:23:28 +00:00
DRC
2d94e261ec The fast integer DCT degrades for qualities > 95, so use the slow integer DCT instead to ensure that perceptually lossless performance is maintained.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@320 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-25 06:52:31 +00:00
DRC
01e6909180 Clarifications
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@319 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-06 01:19:43 +00:00
DRC
57423076e6 Eliminate all of the __memalign() mess and just handle the alignment ourselves
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@317 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-05 23:35:53 +00:00
DRC
2a2e451ddc Ensure temp. buffers for YUV output are 16-byte aligned on 32-bit Windows
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@316 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-05 22:33:24 +00:00
DRC
990e28dc96 Make arithmetic coding support status messages more clear
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@315 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-04 21:40:11 +00:00
DRC
49aedf4231 Further protect against invalid Huffman codes
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@314 632fc199-4ca6-4c93-a231-07263d6284db
2011-01-04 08:09:41 +00:00
DRC
190d5495fe Include new tjDecompressHeader2() function
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@313 632fc199-4ca6-4c93-a231-07263d6284db
2010-12-14 19:48:38 +00:00
DRC
50c657bc09 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@312 632fc199-4ca6-4c93-a231-07263d6284db 2010-12-14 01:23:16 +00:00
DRC
cad1cfe17c Added YUV decode functionality to the "decompress only" test
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@311 632fc199-4ca6-4c93-a231-07263d6284db
2010-12-14 01:22:00 +00:00
DRC
1fe80f80f5 Added extended tjDecompressHeader() function which can determine the type of subsampling used in the JPEG image
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@310 632fc199-4ca6-4c93-a231-07263d6284db
2010-12-14 01:21:29 +00:00
DRC
a6f4fca72c Fix various memory corruption issues in the new JPEG->YUV feature
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@309 632fc199-4ca6-4c93-a231-07263d6284db
2010-12-11 06:01:11 +00:00
DRC
f9cf5c799d If the output width/height are not an even number of MCU's, then use an intermediate buffer to ensure that the output format is XVideo-compatible
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@308 632fc199-4ca6-4c93-a231-07263d6284db
2010-12-10 10:58:49 +00:00
DRC
9e17f7d9bc Provide TJ_YUV option for tjDecompress() as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@307 632fc199-4ca6-4c93-a231-07263d6284db
2010-12-10 04:59:13 +00:00
DRC
ac08ef624c Don't require quality argument when encoding to YUV
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@306 632fc199-4ca6-4c93-a231-07263d6284db
2010-12-09 10:01:57 +00:00
DRC
fbb674707e Merge the TurboJPEG planar YUV encoding feature from VirtualGL 2.2
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@305 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-24 04:02:37 +00:00
DRC
541e651e4c Hide internal SIMD symbols in libjpeg-turbo shared library
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@304 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-23 20:42:48 +00:00
DRC
a46830b232 Eliminate spurious global symbols
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@303 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-23 18:00:46 +00:00
DRC
f0b7fefbf4 Include arithmetic coding test files in dist
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@302 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-23 17:13:02 +00:00
DRC
245cfdf3d6 Allow arithmetic encoding/decoding to be disabled in CMake build
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@301 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-23 17:11:06 +00:00
DRC
e372004b4d Added configure options to disable arithmetic encoding/decoding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@300 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-23 06:50:14 +00:00
DRC
66f97e6820 Support arithmetic encoding and decoding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@299 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-23 05:49:54 +00:00
DRC
58842f9679 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@298 632fc199-4ca6-4c93-a231-07263d6284db 2010-11-23 04:46:59 +00:00
DRC
ec31193812 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@297 632fc199-4ca6-4c93-a231-07263d6284db 2010-11-22 19:51:42 +00:00
DRC
646e5a8a11 RGBA=RGBX, etc.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@296 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-18 19:55:29 +00:00
DRC
b8841f1ba2 Oops. Still need to explicitly make symlinks in this script, because prefix!=/opt/libjpeg-turbo
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@295 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-17 23:14:53 +00:00
DRC
d1c281a055 Create /opt/libjpeg-turbo/lib32 and /opt/libjpeg-turbo/lib64 symlinks when doing 'make install'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@294 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-17 22:44:40 +00:00
DRC
61c15bdefb Fix invalid use of fpos_t
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@293 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-13 05:31:25 +00:00
DRC
e89bbaee14 Document jpgtest decompress-only feature
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@292 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-12 10:18:08 +00:00
DRC
e8ce2e0864 Add option to test decompression only + clean up error handling
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@291 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-12 10:14:11 +00:00
DRC
7a0478e1e4 Use version script for jpeg-6b emulation as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@290 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-07 19:12:30 +00:00
DRC
7ab9d7cad9 Update header description for grayscale bitmap support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@289 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-04 22:42:18 +00:00
DRC
09854f57dc Grayscale bitmap support in TurboJPEG/OSS
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@288 632fc199-4ca6-4c93-a231-07263d6284db
2010-11-04 22:39:59 +00:00
DRC
98dbe91270 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@287 632fc199-4ca6-4c93-a231-07263d6284db 2010-11-04 22:22:30 +00:00
DRC
0f53df8f71 Allow Mac and Solaris packages to be built with v7/v8b emulated libraries
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@286 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-21 19:47:06 +00:00
DRC
8515d3d58d Emulate the version script in libjpeg v7/v8 shared libraries
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@285 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-19 06:38:57 +00:00
DRC
c0a1cba11b Accommodate spaces in CMAKE_BINARY_DIR
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@284 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 09:46:27 +00:00
DRC
efa618ecba git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@283 632fc199-4ca6-4c93-a231-07263d6284db 2010-10-18 08:41:11 +00:00
DRC
3a606240f7 1.0.90 (1.1 beta1)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@282 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 08:27:04 +00:00
DRC
9ef93dbbdc Modify OS X universal binary creation process to give the user more control over the 32-bit fork (necessary for building universal binaries with libjpeg v7/v8b emulation, for instance)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@281 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 08:24:42 +00:00
DRC
68bf3f2846 MinGW under Cygwin needs CMAKE_SYSTEM_NAME=Windows as well, since technically, we're cross-compiling
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@280 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 07:56:14 +00:00
DRC
81543310fd Cygwin is only supported with the autotools build system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@279 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 07:23:58 +00:00
DRC
5559c900c0 Additional information/corrections involving libjpeg v7/v8b emulation
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@278 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 02:21:10 +00:00
DRC
b42a48cc44 Use built-in cmake compare_files function rather than GNU cmp (which isn't natively available on Windows)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@277 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 01:06:36 +00:00
DRC
1f80a10b4e Allow RPMs and SRPMs to be generated with v7/v8b emulation; Add CMake scripts and other missing files to source distribution
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@276 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-18 00:15:31 +00:00
DRC
e2befdef6a Install headers as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@275 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-17 07:28:08 +00:00
DRC
310f606b72 Windows packaging has been moved to the CMake build system, so remove it from autotools
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@274 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-17 06:50:35 +00:00
DRC
26658432fb Document 'make install'
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@273 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 22:04:29 +00:00
DRC
7284c9a0cd Allow installation from the build system (without needing to build an installer)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@272 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 21:55:14 +00:00
DRC
6f4ba6144a Eliminate redundant dependency statement; Notify user when SIMD is disabled
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@271 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 21:27:38 +00:00
DRC
1c73ce8eb5 Additional MinGW recipes
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@270 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 21:02:54 +00:00
DRC
b397bfd7db Remove old Windows build system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@269 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 09:23:36 +00:00
DRC
cc2437425b Document new CMake build system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@268 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 09:22:43 +00:00
DRC
b09fde7723 Oops. Forgot to check in header templates
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@267 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 08:52:55 +00:00
DRC
2c0a4e1e74 Integrate installer build into CMake build system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@266 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-16 08:51:43 +00:00
DRC
d830d36074 Fix dependencies for the color conversion routines, which build other .asm files indirectly
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@265 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 20:07:41 +00:00
DRC
378da4d61b Print error message if trying to do a native Unix build
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@264 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 19:11:11 +00:00
DRC
c869c2c811 Unix LF
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@263 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 08:43:32 +00:00
DRC
cd5f2ee23c Allow nasm path to be overridden
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@262 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 08:39:44 +00:00
DRC
a9d5b25304 Set version information for DLL's
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@261 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 06:42:45 +00:00
DRC
e328bf25f0 Export the correct symbols from the Windows DLL when built with libjpeg v7 or v8b emulation
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@260 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 05:33:21 +00:00
DRC
cdd8f123cc Use version suffix on Cygwin DLL as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@259 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 04:58:13 +00:00
DRC
eb2b9d6b96 Echo version and build
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@258 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 04:55:13 +00:00
DRC
846970366b First pass at a CMake build system
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@257 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-15 03:43:24 +00:00
DRC
efa4ddcc88 Space = Tab
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@256 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-13 19:22:50 +00:00
DRC
2edf19d601 Oops. Should be single, not double = sign
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@255 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-13 19:22:20 +00:00
DRC
77e3964ca9 Document the libjpeg v7/v8 extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@254 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-12 03:02:31 +00:00
DRC
766dc5c59d Mention new v7/v8 extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@253 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-12 02:50:18 +00:00
DRC
39ea562c07 Document new v7/v8 features; .doc = .txt
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@252 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-12 01:55:31 +00:00
DRC
ed16ad11ff Enable the use of separate luminance/chrominance quality scaling with libjpeg v6b code base as well
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@251 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-11 23:36:04 +00:00
DRC
12387ebc92 Add sanity check in BMP reader module to avoid cjpeg crash for empty input
image


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@250 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 07:27:26 +00:00
DRC
294079cbe0 Add option for setting luminance & chrominance quality independently (currently only works if using libjpeg v7 or v8 code base)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@248 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 07:21:55 +00:00
DRC
2cdd2ae753 Display libjpeg-turbo version/copyrights in run-time programs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@247 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 06:54:21 +00:00
DRC
517e1c0525 Add -raw option to rdjpgcom for outputting non-printable characters as-is; Make rdjpgcom locale-aware.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@246 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 06:04:05 +00:00
DRC
1658c79eba Fix byte order issue with 16bit PPM/PGM files
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@245 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 06:01:00 +00:00
DRC
9a648cc90b Fix transpose feature with jpeg v6b code base
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@244 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 02:48:21 +00:00
DRC
c04bd3cc97 Implement lossless crop feature from jpeg v7 and v8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@243 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 02:15:56 +00:00
DRC
c54275c6a7 Fix version numbers for v7/v8 shared libs
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@242 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 00:40:37 +00:00
DRC
49967cdb30 Improve readability and flexibility of compatibility macros
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@241 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-09 19:57:51 +00:00
DRC
10acd811d0 Remove comments describing DCT scaling feature
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@240 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-09 19:24:28 +00:00
DRC
553d868c25 Oops. Forgot to include the new macro header
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@239 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-09 19:09:41 +00:00
DRC
a5ee9df541 Bump revision to 1.1 alpha
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@238 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-08 08:07:37 +00:00
DRC
eafbe8a056 Bump revision to 1.1 alpha
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@237 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-08 08:07:10 +00:00
DRC
36a6eec932 Added optional emulation of the jpeg-7 or jpeg-8b API/ABI's
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@236 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-08 08:05:44 +00:00
DRC
e5d7bc9f93 "OS/X" = "OS X"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@235 632fc199-4ca6-4c93-a231-07263d6284db
2010-09-30 18:54:31 +00:00
288 changed files with 41126 additions and 8275 deletions

View File

@@ -1,7 +1,8 @@
*******************************************************************************
** Building on Unix Platforms, Cygwin, and MinGW
** Building on Unix Platforms (including Cygwin)
*******************************************************************************
==================
Build Requirements
==================
@@ -9,72 +10,153 @@ Build Requirements
-- autoconf 2.56 or later
-- automake 1.7 or later
-- libtool 1.4 or later
* If using MinGW, these can be obtained by installing the MSYS DTK
-- NASM
* 0.98 or later is required for a 32-bit build
* NASM 2.05 or later is required for a 64-bit build
* NASM 2.07 or later is required for a 64-bit build on OS/X. This can be
-- NASM (if building x86 or x86-64 SIMD extensions)
* 0.98, or 2.01 or later is required for a 32-bit build
* NASM 2.00 or later is required for a 64-bit build
* NASM 2.07 or later is required for a 64-bit build on OS X. This can be
obtained from MacPorts (http://www.macports.org/).
The NASM 2.05 RPMs do not work on older Linux systems, such as Enterprise
Linux 4. On such systems, you can easily build and install NASM 2.05
from the source RPM by executing the following as root:
The binary RPMs released by the NASM project do not work on older Linux
systems, such as Red Hat Enterprise Linux 4. On such systems, you can
easily build and install NASM from a source RPM by downloading one of the
SRPMs from
http://www.nasm.us/pub/nasm/releasebuilds
and executing the following as root:
ARCH=`uname -m`
wget http://www.nasm.us/pub/nasm/releasebuilds/2.05.01/nasm-2.05.01-1.src.rpm
rpmbuild --rebuild nasm-2.05.01-1.src.rpm
rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-2.05.01-1.$ARCH.rpm
rpmbuild --rebuild nasm-{version}.src.rpm
rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-{version}.$ARCH.rpm
NOTE: NASM build will fail if texinfo is not installed.
NOTE: the NASM build will fail if texinfo is not installed.
-- GCC v4.1 or later recommended for best performance
-- If building the TurboJPEG Java wrapper, JDK or OpenJDK 1.5 or later is
required. Some systems, such as OS X 10.4, Solaris 10 and later, and Red
Hat Enterprise Linux 5 and later, have this pre-installed. On OS X 10.5 and
later, it will be necessary to install the Java Developer Package, which can
be downloaded from http://connect.apple.com. For systems that do not have a
JDK installed, you can obtain the Oracle Java Development Kit from
http://www.java.com.
==================
Out-of-Tree Builds
==================
Binary objects, libraries, and executables are generated in the same directory
from which configure was executed (the "binary directory"), and this directory
need not necessarily be the same as the libjpeg-turbo source directory. You
can create multiple independent binary directories, in which different versions
of libjpeg-turbo can be built from the same source tree using different
compilers or settings. In the sections below, {build_directory} refers to the
binary directory, whereas {source_directory} refers to the libjpeg-turbo source
directory. For in-tree builds, these directories are the same.
======================
Building libjpeg-turbo
======================
The following procedure will build libjpeg-turbo on Linux, FreeBSD, 32-bit
OS X, and Solaris/x86 systems (on Solaris, this generates a 32-bit library.
See below for 64-bit build instructions.)
The following procedure will build libjpeg-turbo on Linux, FreeBSD, Cygwin, and
Solaris/x86 systems (on Solaris, this generates a 32-bit library. See below
for 64-bit build instructions.)
cd libjpeg-turbo
cd {source_directory}
autoreconf -fiv
sh ./configure
cd {build_directory}
sh {source_directory}/configure [additional configure flags]
make
NOTE: Running autoreconf is only necessary if building libjpeg-turbo from the
SVN repository.
NOTE: Running autoreconf in the source directory is only necessary if building
libjpeg-turbo from the SVN repository.
This will generate the following files under .libs/
libjpeg.a
Static link library for libjpeg-turbo
Static link library for the libjpeg API
libjpeg.so.62.0.0 (Linux, Solaris)
libjpeg.62.dylib (OS X)
libjpeg-62.dll (MinGW)
cygjpeg-62.dll (Cygwin)
Shared library for libjpeg-turbo
libjpeg.so.{version} (Linux, Unix)
libjpeg.{version}.dylib (OS X)
cygjpeg-{version}.dll (Cygwin)
Shared library for the libjpeg API
libjpeg.so (Linux, Solaris)
By default, {version} is 62.1.0, 7.1.0, or 8.0.2, depending on whether
libjpeg v6b (default), v7, or v8 emulation is enabled. If using Cygwin,
{version} is 62, 7, or 8.
libjpeg.so (Linux, Unix)
libjpeg.dylib (OS X)
libjpeg.dll.a (Cygwin, MinGW)
Development stub for libjpeg-turbo shared library
Development symlink for the libjpeg API
libjpeg.dll.a (Cygwin)
Import library for the libjpeg API
libturbojpeg.a
Static link library for TurboJPEG/OSS
Static link library for the TurboJPEG API
libturbojpeg.so (Linux, Solaris)
libturbojpeg.so.0.0.0 (Linux, Unix)
libturbojpeg.0.0.0.dylib (OS X)
cygturbojpeg-0.dll (Cygwin)
Shared library for the TurboJPEG API
libturbojpeg.so (Linux, Unix)
libturbojpeg.dylib (OS X)
Shared library and development stub for TurboJPEG/OSS
Development symlink for the TurboJPEG API
libturbojpeg.dll (MinGW)
cygturbojpeg.dll (Cygwin)
Shared library for TurboJPEG/OSS
libturbojpeg.dll.a (Cygwin)
Import library for the TurboJPEG API
libjpeg v7 or v8 API/ABI Emulation
----------------------------------
Add --with-jpeg7 to the configure command line to build a version of
libjpeg-turbo that is API/ABI-compatible with libjpeg v7. Add --with-jpeg8 to
the configure command to build a version of libjpeg-turbo that is
API/ABI-compatible with libjpeg v8. See README-turbo.txt for more information
on libjpeg v7 and v8 emulation.
In-Memory Source/Destination Managers
-------------------------------------
When using libjpeg v6b or v7 API/ABI emulation, add --without-mem-srcdst to the
configure command line to build a version of libjpeg-turbo that lacks the
jpeg_mem_src() and jpeg_mem_dest() functions. These functions were not part of
the original libjpeg v6b and v7 APIs, so removing them ensures strict
conformance with those APIs. See README-turbo.txt for more information.
Arithmetic Coding Support
-------------------------
Since the patent on arithmetic coding has expired, this functionality has been
included in this release of libjpeg-turbo. libjpeg-turbo's implementation is
based on the implementation in libjpeg v8, but it works when emulating libjpeg
v7 or v6b as well. The default is to enable both arithmetic encoding and
decoding, but those who have philosophical objections to arithmetic coding can
add --without-arith-enc or --without-arith-dec to the configure command line to
disable encoding or decoding (respectively.)
TurboJPEG Java Wrapper
----------------------
Add --with-java to the configure command line to incorporate an optional Java
Native Interface wrapper into the TurboJPEG shared library and build the Java
front-end classes to support it. This allows the TurboJPEG shared library to
be used directly from Java applications. See java/README for more details.
You can set the JAVAC, JAR, and JAVA configure variables to specify
alternate commands for javac, jar, and java (respectively.) You can also
set the JAVACFLAGS configure variable to specify arguments that should be
passed to the Java compiler when building the front-end classes, and JNI_CFLAGS
to specify arguments that should be passed to the C compiler when building the
JNI wrapper. Run 'configure --help' for more details.
libturbojpeg.dll.a (Cygwin, MinGW)
Development stub for TurboJPEG/OSS shared library
========================
Installing libjpeg-turbo
@@ -98,26 +180,28 @@ NOTE: You can specify a prefix of /usr and a libdir of, for instance,
/usr/lib64 to overwrite the system's version of libjpeg. If you do this,
however, then be sure to BACK UP YOUR SYSTEM'S INSTALLATION OF LIBJPEG before
overwriting it. It is recommended that you instead install libjpeg-turbo into
a non-system directory and manipulate the LD_LIBRARY_PATH or create sym links
a non-system directory and manipulate the LD_LIBRARY_PATH or create symlinks
to force applications to use libjpeg-turbo instead of libjpeg. See
README-turbo.txt for more information.
=============
Build Recipes
=============
32-bit Library Build on 64-bit Linux
------------------------------------
32-bit Build on 64-bit Linux
----------------------------
Add
--host i686-pc-linux-gnu CFLAGS='-O3 -m32' CXXFLAGS='-O3 -m32' LDFLAGS=-m32
--host i686-pc-linux-gnu CFLAGS='-O3 -m32' LDFLAGS=-m32
to the configure command line.
64-bit Library Build on 64-bit OS/X
-----------------------------------
64-bit Build on 64-bit OS X
---------------------------
Add
@@ -127,25 +211,23 @@ to the configure command line. NASM 2.07 or later from MacPorts must be
installed.
32-bit Library Build on 64-bit OS/X
-----------------------------------
32-bit Build on 64-bit OS X
---------------------------
Add
CFLAGS='-O3 -m32' CXXFLAGS='-O3 -m32' LDFLAGS=-m32
--host i686-apple-darwin CFLAGS='-O3 -m32' LDFLAGS=-m32
to the configure command line.
64-bit Backward-Compatible Library Build on 64-bit OS/X
-------------------------------------------------------
64-bit Backward-Compatible Build on 64-bit OS X
-----------------------------------------------
Add
--host x86_64-apple-darwin NASM=/opt/local/bin/nasm \
CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -O3' \
CXXFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -O3' \
LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4'
@@ -154,14 +236,13 @@ to the configure command line. The OS X 10.4 SDK, and NASM 2.07 or later from
MacPorts, must be installed.
32-bit Backward-Compatible Library Build on OS/X
------------------------------------------------
32-bit Backward-Compatible Build on OS X
----------------------------------------
Add
CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -O3 -m32' \
CXXFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
--host i686-apple-darwin \
CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -O3 -m32' \
LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-mmacosx-version-min=10.4 -m32'
@@ -174,113 +255,397 @@ to the configure command line. The OS X 10.4 SDK must be installed.
Add
--host x86_64-pc-solaris CFLAGS='-O3 -m64' CXXFLAGS='-O3 -m64' LDFLAGS=-m64
--host x86_64-pc-solaris CFLAGS='-O3 -m64' LDFLAGS=-m64
to the configure command line.
32-bit Library Build on 64-bit FreeBSD
--------------------------------------
32-bit Build on 64-bit FreeBSD
------------------------------
Add
--host i386-unknown-freebsd CC='gcc -B /usr/lib32' CXX='g++ -B/usr/lib32' \
CFLAGS='-O3 -m32' CXXFLAGS='-O3 -m32' LDFLAGS='-B/usr/lib32'
--host i386-unknown-freebsd CC='gcc -B /usr/lib32' CFLAGS='-O3 -m32' \
LDFLAGS='-B/usr/lib32'
to the configure command line. NASM 2.07 or later from FreeBSD ports must be
installed.
MinGW Build on Cygwin
Oracle Solaris Studio
---------------------
Add
--host mingw32
to the configure command line. This will produce libraries which do not
depend on cygwin1.dll or other Cygwin DLL's.
Sun Studio
----------
Add
CC=cc CXX=CC
CC=cc
to the configure command line. libjpeg-turbo will automatically be built with
the maximum optimization level (-xO5) unless you override CFLAGS and CXXFLAGS.
the maximum optimization level (-xO5) unless you override CFLAGS.
To build a 64-bit version of libjpeg-turbo using Sun Studio, add
To build a 64-bit version of libjpeg-turbo using Oracle Solaris Studio, add
--host x86_64-pc-solaris CC=cc CXX=CC CFLAGS='-xO5 -m64' \
CXXFLAGS='-xO5 -m64' LDFLAGS=-m64
--host x86_64-pc-solaris CC=cc CFLAGS='-xO5 -m64' LDFLAGS=-m64
to the configure command line.
MinGW Build on Cygwin
---------------------
Use CMake (see recipes below)
===========
ARM Support
===========
This release of libjpeg-turbo can use ARM NEON SIMD instructions to accelerate
JPEG compression/decompression by approximately 2-4x on ARMv7 and later
platforms. If libjpeg-turbo is configured on an ARM Linux platform, then the
build system will automatically include the NEON SIMD routines, if they are
supported.
Building libjpeg-turbo for iOS
------------------------------
iOS platforms, such as the iPhone and iPad, also use ARM processors, some of
which support NEON instructions. Additional steps are required to build
libjpeg-turbo for these platforms. The steps below assume iOS SDK v4.3. If
you are using a different SDK version, then you will need to modify the
examples accordingly.
Additional build requirements:
gas-preprocessor.pl (https://github.com/yuvi/gas-preprocessor) should be
installed in your PATH.
Set the following shell variables for simplicity:
Xcode 3.2.x / iOS 4.3 SDK:
IOS_PLATFORMDIR="/Developer/Platforms/iPhoneOS.platform"
IOS_SYSROOT="$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS4.3.sdk"
IOS_GCC="$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2"
Xcode 4.5.x / iOS 6.0 SDK:
IOS_PLATFORMDIR="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform"
IOS_SYSROOT="$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS6.0.sdk"
IOS_GCC="$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2"
ARM v6 only (up to and including iPhone 3G):
[NOTE: Requires Xcode 4.4.x or earlier]
IOS_CFLAGS="-march=armv6 -mcpu=arm1176jzf-s -mfpu=vfp"
ARM v7 only (iPhone 3GS-4S, iPad 1st-3rd Generation):
IOS_CFLAGS="-march=armv7 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon"
ARM v7s only (iPhone 5, iPad 4th Generation):
[NOTE: Requires Xcode 4.5 or later]
IOS_CFLAGS="-march=armv7s -mcpu=swift -mtune=swift -mfpu=neon"
Follow the procedure under "Building libjpeg-turbo" above, adding
--host arm-apple-darwin10 --enable-static --disable-shared \
CC="$IOS_GCC" LD="$IOS_GCC" \
CFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT -O3 $IOS_CFLAGS" \
LDFLAGS="-mfloat-abi=softfp -isysroot $IOS_SYSROOT $IOS_CFLAGS"
to the configure command line.
Once built, lipo can be used to combine the ARM v6, v7, and/or v7s variants
into a universal library.
*******************************************************************************
** Building on Windows (Visual C++)
** Building on Windows (Visual C++ or MinGW)
*******************************************************************************
==================
Build Requirements
==================
-- GNU Make v3.7 or later
* Can be found in MSYS (http://www.mingw.org/download.shtml) or
Cygwin (http://www.cygwin.com/)
-- CMake (http://www.cmake.org) v2.6 or later
-- Windows SDK for Windows Server 2008 and .NET Framework 3.5 (or a later
version)
-- Microsoft Visual C++ 2005 or later
http://msdn.microsoft.com/en-us/windows/dd146047.aspx
If you don't already have Visual C++, then the easiest way to get it is by
installing the Windows SDK:
* The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
everything necessary to build libjpeg-turbo. If you do not already have
Visual C++ installed, then this is the recommended solution. Also tested
with Microsoft Visual C++ 2008 Express Edition (both are free downloads.)
* Add the compiler and SDK binary directories (for instance,
c:\Program Files\Microsoft Visual Studio 9.0\VC\BIN;
c:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE;
c:\Program Files\Microsoft SDKs\Windows\v6.1\bin)
to the system or user PATH environment variable prior to building
libjpeg-turbo.
* Add the compiler and SDK include directories (for instance,
c:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE;
c:\Program Files\Microsoft SDKs\Windows\v6.1\include)
to the system or user INCLUDE environment variable prior to building
libjpeg-turbo.
* Add the compiler library directory (for instance,
c:\Program Files\Microsoft Visual Studio 9.0\VC\LIB;
c:\Program Files\Microsoft SDKs\Windows\v6.1\lib)
to the system or user LIB environment variable prior to building
libjpeg-turbo.
http://msdn.microsoft.com/en-us/windows/bb980924.aspx
The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
everything necessary to build libjpeg-turbo.
* For 32-bit builds, you can also use Microsoft Visual C++ Express
Edition. Visual C++ Express Edition is a free download.
* If you intend to build libjpeg-turbo from the command line, then add the
appropriate compiler and SDK directories to the INCLUDE, LIB, and PATH
environment variables. This is generally accomplished by executing
vcvars32.bat or vcvars64.bat and SetEnv.cmd. vcvars32.bat and
vcvars64.bat are part of Visual C++ and are located in the same directory
as the compiler. SetEnv.cmd is part of the Windows SDK. You can pass
optional arguments to SetEnv.cmd to specify a 32-bit or 64-bit build
environment.
... OR ...
-- MinGW
GCC v4.1 or later recommended for best performance
-- NASM (http://www.nasm.us/) 0.98 or later (NASM 2.05 or later is required for
a 64-bit build)
-- If building the TurboJPEG Java wrapper, JDK 1.5 or later is required. This
can be downloaded from http://www.java.com.
==================
Out-of-Tree Builds
==================
Binary objects, libraries, and executables are generated in the same directory
from which cmake was executed (the "binary directory"), and this directory need
not necessarily be the same as the libjpeg-turbo source directory. You can
create multiple independent binary directories, in which different versions of
libjpeg-turbo can be built from the same source tree using different compilers
or settings. In the sections below, {build_directory} refers to the binary
directory, whereas {source_directory} refers to the libjpeg-turbo source
directory. For in-tree builds, these directories are the same.
======================
Building libjpeg-turbo
======================
cd libjpeg-turbo
make -f win/Makefile
This will generate the following files under libjpeg-turbo\windows\:
Visual C++ (Command Line)
-------------------------
jpeg-static.lib Static link library for libjpeg-turbo
jpeg62.dll Shared library for libjpeg-turbo
jpeg.lib Development stub for libjpeg-turbo shared library
turbojpeg-static.lib Static link library for TurboJPEG/OSS
turbojpeg.dll Shared library for TurboJPEG/OSS
turbojpeg.lib Development stub for TurboJPEG/OSS shared library
cd {build_directory}
cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release {source_directory}
nmake
If a 64-bit Windows platform is detected, then the build system will attempt
to build a 64-bit version of libjpeg-turbo. You can override this by running
This will build either a 32-bit or a 64-bit version of libjpeg-turbo, depending
on which version of cl.exe is in the PATH.
make -f win/Makefile WIN64=no
The following files will be generated under {build_directory}:
jpeg-static.lib
Static link library for the libjpeg API
sharedlib/jpeg{version}.dll
DLL for the libjpeg API
sharedlib/jpeg.lib
Import library for the libjpeg API
turbojpeg-static.lib
Static link library for the TurboJPEG API
turbojpeg.dll
DLL for the TurboJPEG API
turbojpeg.lib
Import library for the TurboJPEG API
{version} is 62, 7, or 8, depending on whether libjpeg v6b (default), v7, or
v8 emulation is enabled.
Visual C++ (IDE)
----------------
Choose the appropriate CMake generator option for your version of Visual Studio
(run "cmake" with no arguments for a list of available generators.) For
instance:
cd {build_directory}
cmake -G "Visual Studio 9 2008" {source_directory}
You can then open ALL_BUILD.vcproj in Visual Studio and build one of the
configurations in that project ("Debug", "Release", etc.) to generate a full
build of libjpeg-turbo.
This will generate the following files under {build_directory}:
{configuration}/jpeg-static.lib
Static link library for the libjpeg API
sharedlib/{configuration}/jpeg{version}.dll
DLL for the libjpeg API
sharedlib/{configuration}/jpeg.lib
Import library for the libjpeg API
{configuration}/turbojpeg-static.lib
Static link library for the TurboJPEG API
{configuration}/turbojpeg.dll
DLL for the TurboJPEG API
{configuration}/turbojpeg.lib
Import library for the TurboJPEG API
{configuration} is Debug, Release, RelWithDebInfo, or MinSizeRel, depending on
the configuration you built in the IDE, and {version} is 62, 7, or 8,
depending on whether libjpeg v6b (default), v7, or v8 emulation is enabled.
MinGW
-----
cd {build_directory}
cmake -G "MSYS Makefiles" {source_directory}
make
This will generate the following files under {build_directory}
libjpeg.a
Static link library for the libjpeg API
sharedlib/libjpeg-{version}.dll
DLL for the libjpeg API
sharedlib/libjpeg.dll.a
Import library for the libjpeg API
libturbojpeg.a
Static link library for the TurboJPEG API
libturbojpeg.dll
DLL for the TurboJPEG API
libturbojpeg.dll.a
Import library for the TurboJPEG API
{version} is 62, 7, or 8, depending on whether libjpeg v6b (default), v7, or
v8 emulation is enabled.
Debug Build
-----------
Add "-DCMAKE_BUILD_TYPE=Debug" to the cmake command line. Or, if building with
NMake, remove "-DCMAKE_BUILD_TYPE=Release" (Debug builds are the default with
NMake.)
libjpeg v7 or v8 API/ABI Emulation
-----------------------------------
Add "-DWITH_JPEG7=1" to the cmake command line to build a version of
libjpeg-turbo that is API/ABI-compatible with libjpeg v7. Add "-DWITH_JPEG8=1"
to the cmake command to build a version of libjpeg-turbo that is
API/ABI-compatible with libjpeg v8. See README-turbo.txt for more information
on libjpeg v7 and v8 emulation.
In-Memory Source/Destination Managers
-------------------------------------
When using libjpeg v6b or v7 API/ABI emulation, add -DWITH_MEM_SRCDST=0 to the
CMake command line to build a version of libjpeg-turbo that lacks the
jpeg_mem_src() and jpeg_mem_dest() functions. These functions were not part of
the original libjpeg v6b and v7 APIs, so removing them ensures strict
conformance with those APIs. See README-turbo.txt for more information.
Arithmetic Coding Support
-------------------------
Since the patent on arithmetic coding has expired, this functionality has been
included in this release of libjpeg-turbo. libjpeg-turbo's implementation is
based on the implementation in libjpeg v8, but it works when emulating libjpeg
v7 or v6b as well. The default is to enable both arithmetic encoding and
decoding, but those who have philosophical objections to arithmetic coding can
add "-DWITH_ARITH_ENC=0" or "-DWITH_ARITH_DEC=0" to the cmake command line to
disable encoding or decoding (respectively.)
TurboJPEG Java Wrapper
----------------------
Add "-DWITH_JAVA=1" to the cmake command line to incorporate an optional Java
Native Interface wrapper into the TurboJPEG shared library and build the Java
front-end classes to support it. This allows the TurboJPEG shared library to
be used directly from Java applications. See java/README for more details.
If you are using CMake 2.8, you can set the Java_JAVAC_EXECUTABLE,
Java_JAVA_EXECUTABLE, and Java_JAR_EXECUTABLE CMake variables to specify
alternate commands or locations for javac, jar, and java (respectively.) If
you are using CMake 2.6, set JAVA_COMPILE, JAVA_RUNTIME, and JAVA_ARCHIVE
instead. You can also set the JAVACFLAGS CMake variable to specify arguments
that should be passed to the Java compiler when building the front-end classes.
========================
Installing libjpeg-turbo
========================
You can use the build system to install libjpeg-turbo into a directory of your
choosing (as opposed to creating an installer.) To do this, add:
-DCMAKE_INSTALL_PREFIX={install_directory}
to the cmake command line.
For example,
cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX=c:\libjpeg-turbo {source_directory}
nmake install
will install the header files in c:\libjpeg-turbo\include, the library files
in c:\libjpeg-turbo\lib, the DLL's in c:\libjpeg-turbo\bin, and the
documentation in c:\libjpeg-turbo\doc.
=============
Build Recipes
=============
64-bit MinGW Build on Cygwin
----------------------------
cd {build_directory}
CC=/usr/bin/x86_64-w64-mingw32-gcc \
cmake -G "Unix Makefiles" -DCMAKE_SYSTEM_NAME=Windows \
-DCMAKE_AR=/usr/bin/x86_64-w64-mingw32-ar \
-DCMAKE_RANLIB=/usr/bin/x86_64-w64-mingw32-ranlib {source_directory}
make
This produces a 64-bit build of libjpeg-turbo that does not depend on
cygwin1.dll or other Cygwin DLL's. The mingw64-x86_64-gcc-core and
mingw64-x86_64-gcc-g++ packages (and their dependencies) must be installed.
32-bit MinGW Build on Cygwin
----------------------------
cd {build_directory}
CC=/usr/bin/i686-w64-mingw32-gcc \
cmake -G "Unix Makefiles" -DCMAKE_SYSTEM_NAME=Windows \
-DDCMAKE_AR=/usr/bin/i686-w64-mingw32-ar \
-DCMAKE_RANLIB=/usr/bin/i686-w64-mingw32-ranlib {source_directory}
make
This produces a 32-bit build of libjpeg-turbo that does not depend on
cygwin1.dll or other Cygwin DLL's. The mingw64-i686-gcc-core and
mingw64-i686-gcc-g++ packages (and their dependencies) must be installed.
MinGW-w64 Build on Windows
--------------------------
This produces a 64-bit build of libjpeg-turbo using the "native" MinGW-w64
toolchain (which is faster than the Cygwin version):
cd {build_directory}
CC={mingw-w64_binary_path}/x86_64-w64-mingw32-gcc \
cmake -G "MSYS Makefiles" \
-DCMAKE_AR={mingw-w64_binary_path}/x86_64-w64-mingw32-ar \
-DCMAKE_RANLIB={mingw-w64_binary_path}/x86_64-w64-mingw32-ranlib \
{source_directory}
make
MinGW Build on Linux
--------------------
cd {build_directory}
CC={mingw_binary_path}/i386-mingw32-gcc \
cmake -G "Unix Makefiles" -DCMAKE_SYSTEM_NAME=Windows \
-DCMAKE_AR={mingw_binary_path}/i386-mingw32-ar \
-DCMAKE_RANLIB={mingw_binary_path}/i386-mingw32-ranlib \
{source_directory}
make
*******************************************************************************
@@ -289,14 +654,18 @@ to build a 64-bit version of libjpeg-turbo. You can override this by running
The following commands can be used to create various types of release packages:
Unix
----
make rpm
Create RedHat-style binary RPM package. Requires RPM v4 or later.
Create Red Hat-style binary RPM package. Requires RPM v4 or later.
make srpm
This runs 'make dist' to create a pristine source tarball, then creates a
RedHat-style source RPM package from the tarball. Requires RPM v4 or later.
Red Hat-style source RPM package from the tarball. Requires RPM v4 or later.
make deb
@@ -307,22 +676,90 @@ make dmg
Create Macintosh package/disk image. This requires the PackageMaker
application, which must be installed in /Developer/Applications/Utilities.
make udmg
make udmg [BUILDDIR32={32-bit build directory}]
On 64-bit OS X systems, this creates a version of the Macintosh package and
disk image which contains universal i386/x86-64 binaries. The 32-bit fork of
these binaries is backward compatible with OS X 10.4 and later. The 64-bit
fork can be made backward compatible as well by using the instructions in
the "Build Recipes" section. OS X 10.4 compatibility SDK required.
On 64-bit OS X systems, this creates a Macintosh package and disk image that
contains universal i386/x86-64 binaries. You should first configure a 32-bit
out-of-tree build of libjpeg-turbo, then configure a 64-bit out-of-tree
build, then run 'make udmg' from the 64-bit build directory. The build
system will look for the 32-bit build under {source_directory}/osxx86 by
default, but you can override this by setting the BUILDDIR32 variable on the
make command line as shown above.
make nsi
make iosdmg [BUILDDIR32={32-bit build directory}] \
[BUILDDIRARMV6={ARM v6 build directory}] \
[BUILDDIRARMV7={ARM v7 build directory}] \
[BUILDDIRARMV7S={ARM v7s build directory}]
When using MinGW, this creates a Win32 installer for the GCC version of the
libjpeg-turbo SDK. This requires the Nullsoft Install System
(http://nsis.sourceforge.net/.) makensis.exe should be in your PATH.
On OS X systems, this creates a Macintosh package and disk image in which the
libjpeg-turbo static libraries contain ARM architectures necessary to build
iOS applications. If building on an x86-64 system, the binaries will also
contain the i386 architecture, as with 'make udmg' above. You should first
configure ARM v6, ARM v7, and/or ARM v7s out-of-tree builds of libjpeg-turbo
(see "Building libjpeg-turbo for iOS" above.) If you are building an x86-64
version of libjpeg-turbo, you should configure a 32-bit out-of-tree build as
well. Next, build libjpeg-turbo as you would normally, using an out-of-tree
build. When it is built, run 'make iosdmg' from the build directory. The
build system will look for the ARM v6 build under {source_directory}/iosarmv6
by default, the ARM v7 build under {source_directory}/iosarmv7 by default,
the ARM v7s build under {source_directory}/iosarmv7s by default, and (if
applicable) the 32-bit build under {source_directory}/osxx86 by default, but
you can override this by setting the BUILDDIR32, BUILDDIRARMV6,
BUILDDIRARMV7, and/or BUILDDIRARMV7S variables on the make command line as
shown above.
make -f win/Makefile nsi
make cygwinpkg
This creates a Win32 installer for the Visual C++ version of the
libjpeg-turbo SDK. This requires the Nullsoft Install System
(http://nsis.sourceforge.net/.) makensis.exe should be in your PATH.
Build a Cygwin binary package.
Windows
-------
If using NMake:
cd {build_directory}
nmake installer
If using MinGW:
cd {build_directory}
make installer
If using the Visual Studio IDE, build the "installer" project.
The installer package (libjpeg-turbo[-gcc][64].exe) will be located under
{build_directory}. If building using the Visual Studio IDE, then the installer
package will be located in a subdirectory with the same name as the
configuration you built (such as {build_directory}\Debug\ or
{build_directory}\Release\).
Building a Windows installer requires the Nullsoft Install System
(http://nsis.sourceforge.net/.) makensis.exe should be in your PATH.
*******************************************************************************
** Regression testing
*******************************************************************************
The most common way to test libjpeg-turbo is by invoking 'make test' on
Unix/Linux platforms or 'ctest' on Windows platforms, once the build has
completed. This runs a series of tests to ensure that mathematical
compatibility has been maintained between libjpeg-turbo and libjpeg v6b. This
also invokes the TurboJPEG unit tests, which ensure that the colorspace
extensions, YUV encoding, decompression scaling, and other features of the
TurboJPEG C and Java APIs are working properly (and, by extension, that the
equivalent features of the underlying libjpeg API are also working.)
Invoking 'make testclean' or 'nmake testclean' (if using NMake) or building
the 'testclean' target (if using the Visual Studio IDE) will clean up the
output images generated by 'make test'.
On Unix/Linux platforms, more extensive tests of the TurboJPEG C and Java
wrappers can be run by invoking 'make tjtest'. These extended TurboJPEG tests
essentially iterate through all of the available features of the TurboJPEG APIs
that are not covered by the TurboJPEG unit tests (this includes the lossless
transform options) and compare the images generated by each feature to images
generated using the equivalent feature in the libjpeg API. The extended
TurboJPEG tests are meant to test for regressions in the TurboJPEG wrappers,
not in the underlying libjpeg API library.

472
CMakeLists.txt Normal file
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@@ -0,0 +1,472 @@
#
# Setup
#
cmake_minimum_required(VERSION 2.6)
project(libjpeg-turbo C)
set(VERSION 1.2.90)
if(MINGW OR CYGWIN)
execute_process(COMMAND "date" "+%Y%m%d" OUTPUT_VARIABLE BUILD)
string(REGEX REPLACE "\n" "" BUILD ${BUILD})
elseif(WIN32)
execute_process(COMMAND "wmic.exe" "os" "get" "LocalDateTime" OUTPUT_VARIABLE
BUILD)
string(REGEX REPLACE "[^0-9]" "" BUILD "${BUILD}")
if (BUILD STREQUAL "")
execute_process(COMMAND "cmd.exe" "/C" "DATE" "/T" OUTPUT_VARIABLE BUILD)
string(REGEX REPLACE ".*[ ]([0-9]*)[/.]([0-9]*)[/.]([0-9]*).*" "\\3\\2\\1" BUILD "${BUILD}")
else()
string(SUBSTRING "${BUILD}" 0 8 BUILD)
endif()
else()
message(FATAL_ERROR "Platform not supported by this build system. Use autotools instead.")
endif()
# This does nothing except when using MinGW. CMAKE_BUILD_TYPE has no meaning
# in Visual Studio, and it always defaults to Debug when using NMake.
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()
message(STATUS "CMAKE_BUILD_TYPE = ${CMAKE_BUILD_TYPE}")
# This only works if building from the command line. There is currently no way
# to set a variable's value based on the build type when using Visual Studio.
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
set(BUILD "${BUILD}d")
endif()
message(STATUS "VERSION = ${VERSION}, BUILD = ${BUILD}")
option(WITH_SIMD "Include SIMD extensions" TRUE)
option(WITH_ARITH_ENC "Include arithmetic encoding support" TRUE)
option(WITH_ARITH_DEC "Include arithmetic decoding support" TRUE)
option(WITH_JPEG7 "Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b)" FALSE)
option(WITH_JPEG8 "Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b)" FALSE)
option(WITH_MEM_SRCDST "Include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI" TRUE)
option(WITH_JAVA "Build Java wrapper for the TurboJPEG library" FALSE)
if(WITH_ARITH_ENC)
set(C_ARITH_CODING_SUPPORTED 1)
message(STATUS "Arithmetic encoding support enabled")
else()
message(STATUS "Arithmetic encoding support disabled")
endif()
if(WITH_ARITH_DEC)
set(D_ARITH_CODING_SUPPORTED 1)
message(STATUS "Arithmetic decoding support enabled")
else()
message(STATUS "Arithmetic decoding support disabled")
endif()
if(WITH_JAVA)
message(STATUS "TurboJPEG Java wrapper enabled")
else()
message(STATUS "TurboJPEG Java wrapper disabled")
endif()
set(SO_AGE 0)
if(WITH_MEM_SRCDST)
set(SO_AGE 1)
endif()
set(JPEG_LIB_VERSION 62)
set(DLL_VERSION ${JPEG_LIB_VERSION})
set(FULLVERSION ${DLL_VERSION}.${SO_AGE}.0)
if(WITH_JPEG8)
set(JPEG_LIB_VERSION 80)
set(DLL_VERSION 8)
set(FULLVERSION ${DLL_VERSION}.0.2)
message(STATUS "Emulating libjpeg v8 API/ABI")
elseif(WITH_JPEG7)
set(JPEG_LIB_VERSION 70)
set(DLL_VERSION 7)
set(FULLVERSION ${DLL_VERSION}.${SO_AGE}.0)
message(STATUS "Emulating libjpeg v7 API/ABI")
endif(WITH_JPEG8)
if(WITH_MEM_SRCDST)
set(MEM_SRCDST_SUPPORTED 1)
message(STATUS "In-memory source/destination managers enabled")
else()
message(STATUS "In-memory source/destination managers disabled")
endif()
if(MSVC)
# Use the static C library for all build types
foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
if(${var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${var} "${${var}}")
endif()
endforeach()
add_definitions(-W3 -wd4996)
endif()
# Detect whether compiler is 64-bit
if(MSVC AND CMAKE_CL_64)
set(SIMD_X86_64 1)
set(64BIT 1)
elseif(CMAKE_SIZEOF_VOID_P MATCHES 8)
set(SIMD_X86_64 1)
set(64BIT 1)
endif()
if(64BIT)
message(STATUS "64-bit build")
else()
message(STATUS "32-bit build")
endif()
configure_file(win/jconfig.h.in jconfig.h)
configure_file(win/config.h.in config.h)
include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
if(WITH_JAVA)
find_package(Java)
find_package(JNI)
if(DEFINED JAVACFLAGS)
message(STATUS "Java compiler flags = ${JAVACFLAGS}")
endif()
endif()
#
# Targets
#
set(JPEG_SOURCES jcapimin.c jcapistd.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c
jcinit.c jcmainct.c jcmarker.c jcmaster.c jcomapi.c jcparam.c jcphuff.c
jcprepct.c jcsample.c jctrans.c jdapimin.c jdapistd.c jdatadst.c jdatasrc.c
jdcoefct.c jdcolor.c jddctmgr.c jdhuff.c jdinput.c jdmainct.c jdmarker.c
jdmaster.c jdmerge.c jdphuff.c jdpostct.c jdsample.c jdtrans.c jerror.c
jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c jidctred.c
jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c)
if(WITH_ARITH_ENC OR WITH_ARITH_DEC)
set(JPEG_SOURCES ${JPEG_SOURCES} jaricom.c)
endif()
if(WITH_ARITH_ENC)
set(JPEG_SOURCES ${JPEG_SOURCES} jcarith.c)
endif()
if(WITH_ARITH_DEC)
set(JPEG_SOURCES ${JPEG_SOURCES} jdarith.c)
endif()
if(WITH_SIMD)
add_definitions(-DWITH_SIMD)
add_subdirectory(simd)
if(SIMD_X86_64)
set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_x86_64.c)
else()
set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_i386.c)
endif()
# This tells CMake that the "source" files haven't been generated yet
set_source_files_properties(${SIMD_OBJS} PROPERTIES GENERATED 1)
else()
set(JPEG_SOURCES ${JPEG_SOURCES} jsimd_none.c)
message(STATUS "Not using SIMD acceleration")
endif()
if(WITH_JAVA)
add_subdirectory(java)
endif()
add_subdirectory(sharedlib)
add_library(jpeg-static STATIC ${JPEG_SOURCES} ${SIMD_OBJS})
if(NOT MSVC)
set_target_properties(jpeg-static PROPERTIES OUTPUT_NAME jpeg)
endif()
if(WITH_SIMD)
add_dependencies(jpeg-static simd)
endif()
set(TURBOJPEG_SOURCES turbojpeg.c transupp.c jdatadst-tj.c jdatasrc-tj.c)
if(WITH_JAVA)
set(TURBOJPEG_SOURCES ${TURBOJPEG_SOURCES} turbojpeg-jni.c)
include_directories(${JAVA_INCLUDE_PATH} ${JAVA_INCLUDE_PATH2})
endif()
add_library(turbojpeg SHARED ${TURBOJPEG_SOURCES})
set_target_properties(turbojpeg PROPERTIES DEFINE_SYMBOL DLLDEFINE)
if(MINGW)
set_target_properties(turbojpeg PROPERTIES LINK_FLAGS -Wl,--kill-at)
endif()
target_link_libraries(turbojpeg jpeg-static)
set_target_properties(turbojpeg PROPERTIES LINK_INTERFACE_LIBRARIES "")
add_library(turbojpeg-static STATIC ${JPEG_SOURCES} ${SIMD_OBJS}
turbojpeg.c transupp.c jdatadst-tj.c jdatasrc-tj.c)
if(NOT MSVC)
set_target_properties(turbojpeg-static PROPERTIES OUTPUT_NAME turbojpeg)
endif()
if(WITH_SIMD)
add_dependencies(turbojpeg-static simd)
endif()
add_executable(tjunittest tjunittest.c tjutil.c)
target_link_libraries(tjunittest turbojpeg)
add_executable(tjunittest-static tjunittest.c tjutil.c)
target_link_libraries(tjunittest-static turbojpeg-static)
add_executable(tjbench tjbench.c bmp.c tjutil.c rdbmp.c rdppm.c wrbmp.c
wrppm.c)
target_link_libraries(tjbench turbojpeg jpeg-static)
set_property(TARGET tjbench PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DPPM_SUPPORTED")
add_executable(tjbench-static tjbench.c bmp.c tjutil.c rdbmp.c rdppm.c wrbmp.c
wrppm.c)
target_link_libraries(tjbench-static turbojpeg-static jpeg-static)
set_property(TARGET tjbench-static PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DPPM_SUPPORTED")
add_executable(cjpeg-static cjpeg.c cdjpeg.c rdbmp.c rdgif.c rdppm.c rdswitch.c
rdtarga.c)
set_property(TARGET cjpeg-static PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED -DUSE_SETMODE")
target_link_libraries(cjpeg-static jpeg-static)
add_executable(djpeg-static djpeg.c cdjpeg.c rdcolmap.c rdswitch.c wrbmp.c wrgif.c
wrppm.c wrtarga.c)
set_property(TARGET djpeg-static PROPERTY COMPILE_FLAGS
"-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED -DUSE_SETMODE")
target_link_libraries(djpeg-static jpeg-static)
add_executable(jpegtran-static jpegtran.c cdjpeg.c rdswitch.c transupp.c)
target_link_libraries(jpegtran-static jpeg-static)
set_property(TARGET jpegtran-static PROPERTY COMPILE_FLAGS "-DUSE_SETMODE")
add_executable(rdjpgcom rdjpgcom.c)
add_executable(wrjpgcom rdjpgcom.c)
#
# Tests
#
if(MSVC_IDE)
set(OBJDIR "\${CTEST_CONFIGURATION_TYPE}/")
else()
set(OBJDIR "")
endif()
enable_testing()
set(MD5_JPEG_INT 9a68f56bc76e466aa7e52f415d0f4a5f)
set(MD5_JPEG_FAST 0e1502e7fa421835e376a314fac2a39f)
set(MD5_JPEG_FAST_100 7bf72a8e741d64eecb960c97323af77c)
set(MD5_JPEG_FLOAT d1623885ffafcd40c684af09e3d65cd5)
set(MD5_JPEG_FLOAT_NOSIMD fb4884c35f8273f498cb32879de5c455)
set(MD5_JPEG_INT_GRAY 72b51f894b8f4a10b3ee3066770aa38d)
set(MD5_PPM_INT d1ed0d11f076b842525271647716aeb8)
set(MD5_PPM_FAST 048298a2d2410261c0533cb97bcfef23)
set(MD5_PPM_FLOAT 7f5b446ee36b2630e06785b8d42af15f)
set(MD5_PPM_FLOAT_NOSIMD 64072f1dbdc5b3a187777788604971a5)
set(MD5_PPM_INT_2_1 9f9de8c0612f8d06869b960b05abf9c9)
set(MD5_PPM_INT_15_8 b6875bc070720b899566cc06459b63b7)
set(MD5_PPM_INT_7_4 06a177eae05f164fac57f7a2c346ee87)
set(MD5_PPM_INT_13_8 bc3452573c8152f6ae552939ee19f82f)
set(MD5_PPM_INT_3_2 f5a8b88a8a7f96016f04d259cf82ed67)
set(MD5_PPM_INT_11_8 d8cc73c0aaacd4556569b59437ba00a5)
set(MD5_PPM_INT_5_4 32775dd9ad2ab90f4c5b219b53e0c86c)
set(MD5_PPM_INT_9_8 d25e61bc7eac0002f5b393aa223747b6)
set(MD5_PPM_INT_7_8 ddb564b7c74a09494016d6cd7502a946)
set(MD5_PPM_INT_3_4 8ed8e68808c3fbc4ea764fc9d2968646)
set(MD5_PPM_INT_5_8 a3363274999da2366a024efae6d16c9b)
set(MD5_PPM_INT_1_2 e692a315cea26b988c8e8b29a5dbcd81)
set(MD5_PPM_INT_3_8 79eca9175652ced755155c90e785a996)
set(MD5_PPM_INT_1_4 79cd778f8bf1a117690052cacdd54eca)
set(MD5_PPM_INT_1_8 391b3d4aca640c8567d6f8745eb2142f)
set(MD5_PPM_FAST_1_2 f30bcf6d32ccd44cbdd9aeaacbd9454f)
set(MD5_BMP_256 4980185e3776e89bd931736e1cddeee6)
set(MD5_JPEG_ARI e986fb0a637a8d833d96e8a6d6d84ea1)
set(MD5_PPM_ARI 72b59a99bcf1de24c5b27d151bde2437)
set(MD5_JPEG_PROG 1c4afddc05c0a43489ee54438a482d92)
set(MD5_JPEG_CROP b4197f377e621c4e9b1d20471432610d)
if(WITH_JAVA)
add_test(TJUnitTest ${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar -Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR} TJUnitTest)
add_test(TJUnitTest-yuv ${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar -Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR} TJUnitTest -yuv)
add_test(TJUnitTest-bi ${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar -Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR} TJUnitTest -bi)
add_test(TJUnitTest-bi-yuv ${JAVA_RUNTIME} -cp java/${OBJDIR}turbojpeg.jar -Djava.library.path=${CMAKE_CURRENT_BINARY_DIR}/${OBJDIR} TJUnitTest -bi -yuv)
endif()
add_test(tjunittest tjunittest)
add_test(tjunittest-alloc tjunittest -alloc)
add_test(tjunittest-yuv tjunittest -yuv)
add_test(cjpeg-int sharedlib/cjpeg -dct int -outfile testoutint.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-int-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT} -DFILE=testoutint.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-fast sharedlib/cjpeg -dct fast -opt -outfile testoutfst.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-fast-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FAST} -DFILE=testoutfst.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-fast-100 sharedlib/cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-fast-100-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FAST_100} -DFILE=testoutfst100.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-float sharedlib/cjpeg -dct float -outfile testoutflt.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
if(WITH_SIMD)
add_test(cjpeg-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FLOAT} -DFILE=testoutflt.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
else()
add_test(cjpeg-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FLOAT_NOSIMD} -DFILE=testoutflt.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
add_test(cjpeg-int-gray sharedlib/cjpeg -dct int -grayscale -outfile testoutgray.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-int-gray-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT_GRAY} -DFILE=testoutgray.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-int sharedlib/djpeg -dct int -fast -ppm -outfile testoutint.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-int-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_INT} -DFILE=testoutint.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-fast sharedlib/djpeg -dct fast -ppm -outfile testoutfst.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-fast-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FAST} -DFILE=testoutfst.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-float sharedlib/djpeg -dct float -ppm -outfile testoutflt.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
if(WITH_SIMD)
add_test(djpeg-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FLOAT} -DFILE=testoutflt.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
else()
add_test(djpeg-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FLOAT_NOSIMD} -DFILE=testoutflt.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
foreach(scale 2_1 15_8 7_4 13_8 3_2 11_8 5_4 9_8 7_8 3_4 5_8 1_2 3_8 1_4 1_8)
string(REGEX REPLACE "_" "/" scalearg ${scale})
add_test(djpeg-int-${scale} sharedlib/djpeg -dct int -nosmooth -scale ${scalearg} -ppm -outfile testoutint${scale}.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-int-${scale}-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_INT_${scale}} -DFILE=testoutint${scale}.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endforeach()
add_test(djpeg-fast-1_2 sharedlib/djpeg -dct fast -scale 1/2 -ppm -outfile testoutfst1_2.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-fast-1_2-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FAST_1_2} -DFILE=testoutfst1_2.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-256 sharedlib/djpeg -dct int -bmp -colors 256 -outfile testout.bmp ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-256-cmp ${CMAKE_COMMAND} -DMD5=${MD5_BMP_256} -DFILE=testout.bmp -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-prog sharedlib/cjpeg -dct int -progressive -outfile testoutp.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-prog-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_PROG} -DFILE=testoutp.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(jpegtran-prog sharedlib/jpegtran -outfile testoutt.jpg testoutp.jpg)
add_test(jpegtran-prog-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT} -DFILE=testoutt.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
if(WITH_ARITH_ENC)
add_test(cjpeg-ari sharedlib/cjpeg -dct int -arithmetic -outfile testoutari.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-ari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_ARI} -DFILE=testoutari.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake )
add_test(jpegtran-toari sharedlib/jpegtran -arithmetic -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimages/testimgint.jpg)
add_test(jpegtran-toari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_ARI} -DFILE=testouta.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
if(WITH_ARITH_DEC)
add_test(djpeg-ari sharedlib/djpeg -dct int -fast -ppm -outfile testoutari.ppm ${CMAKE_SOURCE_DIR}/testimages/testimgari.jpg)
add_test(djpeg-ari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_ARI} -DFILE=testoutari.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(jpegtran-fromari sharedlib/jpegtran -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimages/testimgari.jpg)
add_test(jpegtran-fromari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT} -DFILE=testouta.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
add_test(jpegtran-crop sharedlib/jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(jpegtran-crop-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_CROP} -DFILE=testoutcrop.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(tjunittest-static tjunittest-static)
add_test(tjunittest-static-alloc tjunittest-static -alloc)
add_test(tjunittest-static-yuv tjunittest-static -yuv)
add_test(cjpeg-static-int cjpeg-static -dct int -outfile testoutint.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-static-int-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT} -DFILE=testoutint.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-static-fast cjpeg-static -dct fast -opt -outfile testoutfst.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-static-fast-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FAST} -DFILE=testoutfst.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-static-fast-100 cjpeg-static -dct fast -quality 100 -opt -outfile testoutfst100.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-static-fast-100-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FAST_100} -DFILE=testoutfst100.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-static-float cjpeg-static -dct float -outfile testoutflt.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
if(WITH_SIMD)
add_test(cjpeg-static-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FLOAT} -DFILE=testoutflt.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
else()
add_test(cjpeg-static-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_FLOAT_NOSIMD} -DFILE=testoutflt.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
add_test(cjpeg-static-int-gray cjpeg-static -dct int -grayscale -outfile testoutgray.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-static-int-gray-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT_GRAY} -DFILE=testoutgray.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-static-int djpeg-static -dct int -fast -ppm -outfile testoutint.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-static-int-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_INT} -DFILE=testoutint.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-static-fast djpeg-static -dct fast -ppm -outfile testoutfst.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-static-fast-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FAST} -DFILE=testoutfst.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-static-float djpeg-static -dct float -ppm -outfile testoutflt.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
if(WITH_SIMD)
add_test(djpeg-static-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FLOAT} -DFILE=testoutflt.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
else()
add_test(djpeg-static-float-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FLOAT_NOSIMD} -DFILE=testoutflt.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
foreach(scale 2_1 15_8 7_4 13_8 3_2 11_8 5_4 9_8 7_8 3_4 5_8 1_2 3_8 1_4 1_8)
string(REGEX REPLACE "_" "/" scalearg ${scale})
add_test(djpeg-static-int-${scale} djpeg-static -dct int -nosmooth -scale ${scalearg} -ppm -outfile testoutint${scale}.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-static-int-${scale}-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_INT_${scale}} -DFILE=testoutint${scale}.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endforeach()
add_test(djpeg-static-fast-1_2 djpeg-static -dct fast -scale 1/2 -ppm -outfile testoutfst1_2.ppm ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-static-fast-1_2-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_FAST_1_2} -DFILE=testoutfst1_2.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(djpeg-static-256 djpeg-static -dct int -bmp -colors 256 -outfile testout.bmp ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(djpeg-static-256-cmp ${CMAKE_COMMAND} -DMD5=${MD5_BMP_256} -DFILE=testout.bmp -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(cjpeg-static-prog cjpeg-static -dct int -progressive -outfile testoutp.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-static-prog-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_PROG} -DFILE=testoutp.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(jpegtran-static-prog jpegtran-static -outfile testoutt.jpg testoutp.jpg)
add_test(jpegtran-static-prog-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT} -DFILE=testoutt.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
if(WITH_ARITH_ENC)
add_test(cjpeg-static-ari cjpeg-static -dct int -arithmetic -outfile testoutari.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
add_test(cjpeg-static-ari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_ARI} -DFILE=testoutari.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake )
add_test(jpegtran-static-toari jpegtran-static -arithmetic -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimages/testimgint.jpg)
add_test(jpegtran-static-toari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_ARI} -DFILE=testouta.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
if(WITH_ARITH_DEC)
add_test(djpeg-static-ari djpeg-static -dct int -fast -ppm -outfile testoutari.ppm ${CMAKE_SOURCE_DIR}/testimages/testimgari.jpg)
add_test(djpeg-static-ari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_PPM_ARI} -DFILE=testoutari.ppm -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_test(jpegtran-static-fromari jpegtran-static -outfile testouta.jpg ${CMAKE_SOURCE_DIR}/testimages/testimgari.jpg)
add_test(jpegtran-static-fromari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_INT} -DFILE=testouta.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
endif()
add_test(jpegtran-static-crop jpegtran-static -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.jpg)
add_test(jpegtran-static-crop-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_CROP} -DFILE=testoutcrop.jpg -P ${CMAKE_SOURCE_DIR}/cmakescripts/md5cmp.cmake)
add_custom_target(testclean COMMAND ${CMAKE_COMMAND} -P
${CMAKE_SOURCE_DIR}/cmakescripts/testclean.cmake)
#
# Installer
#
if(MSVC)
set(INST_PLATFORM "Visual C++")
set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-vc)
set(INST_DIR ${CMAKE_PROJECT_NAME})
elseif(MINGW)
set(INST_PLATFORM GCC)
set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-gcc)
set(INST_DIR ${CMAKE_PROJECT_NAME}-gcc)
set(INST_DEFS -DGCC)
endif()
if(64BIT)
set(INST_PLATFORM "${INST_PLATFORM} 64-bit")
set(INST_NAME ${INST_NAME}64)
set(INST_DIR ${INST_DIR}64)
set(INST_DEFS ${INST_DEFS} -DWIN64)
endif()
if(WITH_JAVA)
set(INST_DEFS ${INST_DEFS} -DJAVA)
endif()
if(MSVC_IDE)
set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=${CMAKE_CFG_INTDIR}\\")
else()
set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=")
endif()
configure_file(release/libjpeg-turbo.nsi.in libjpeg-turbo.nsi @ONLY)
add_custom_target(installer
makensis -nocd ${INST_DEFS} libjpeg-turbo.nsi
DEPENDS jpeg jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom
cjpeg djpeg jpegtran tjbench
SOURCES libjpeg-turbo.nsi)
install(TARGETS jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom tjbench
ARCHIVE DESTINATION lib
LIBRARY DESTINATION lib
RUNTIME DESTINATION bin
)
install(FILES ${CMAKE_SOURCE_DIR}/README ${CMAKE_SOURCE_DIR}/README-turbo.txt
${CMAKE_SOURCE_DIR}/example.c ${CMAKE_SOURCE_DIR}/libjpeg.txt
${CMAKE_SOURCE_DIR}/structure.txt ${CMAKE_SOURCE_DIR}/usage.txt
${CMAKE_SOURCE_DIR}/wizard.txt
DESTINATION doc)
install(FILES ${CMAKE_BINARY_DIR}/jconfig.h ${CMAKE_SOURCE_DIR}/jerror.h
${CMAKE_SOURCE_DIR}/jmorecfg.h ${CMAKE_SOURCE_DIR}/jpeglib.h
${CMAKE_SOURCE_DIR}/turbojpeg.h DESTINATION include)

View File

@@ -1,24 +1,348 @@
Significant changes since 1.0.0
===============================
1.2.90 (1.3 beta1)
==================
[1] Added support for additional scaling factors (3/8, 5/8, 3/4, 7/8, 9/8, 5/4,
11/8, 3/2, 13/8, 7/4, 15/8, and 2) when decompressing. Note that the IDCT will
not be SIMD-accelerated when using any of these new scaling factors.
[2] The TurboJPEG dynamic library is now versioned. It was not strictly
necessary to do so, because TurboJPEG uses versioned symbols, and if a function
changes in an ABI-incompatible way, that function is renamed and a legacy
function is provided to maintain backward compatibility. However, certain
Linux distro maintainers will blindly reject any library that is not versioned,
so this was an attempt to make them happy.
[3] Extended the TurboJPEG Java API so that it can be used to compress a JPEG
image from and decompress a JPEG image to an arbitrary position in a large
image buffer.
[4] The tjDecompressToYUV() function now supports the TJFLAG_FASTDCT flag.
[5] The 32-bit supplementary package for amd64 Debian systems now provides
symlinks in /usr/lib/i386-linux-gnu for the TurboJPEG libraries in /usr/lib32.
This allows those libraries to be used on MultiArch-compatible systems (such as
Ubuntu 11 and later) without setting the linker path.
[6] The TurboJPEG Java wrapper should now find the JNI library on Mac systems
without having to pass -Djava.library.path=/usr/lib to java.
[7] TJBench has been ported to Java to provide a convenient way of validating
the performance of the TurboJPEG Java API. It can be run with
'java -cp turbojpeg.jar TJBench'.
[8] cjpeg can now be used to generate JPEG files with the RGB colorspace
(feature ported from jpeg-8d.)
[9] The width and height in the -crop argument passed to jpegtran can now be
suffixed with "f" to indicate that, when the upper left corner of the cropping
region is automatically moved to the nearest iMCU boundary, the bottom right
corner should be moved by the same amount. In other words, this feature causes
jpegtran to strictly honor the specified width/height rather than the specified
bottom right corner (feature ported from jpeg-8d.)
[10] JPEG files using the RGB colorspace can now be decompressed into grayscale
images (feature ported from jpeg-8d.)
[11] Fixed a regression caused by 1.2.1[7] whereby the build would fail with
multiple "Mismatch in operand sizes" errors when attempting to build the x86
SIMD code with NASM 0.98.
[12] The in-memory source/destination managers (jpeg_mem_src() and
jpeg_mem_dest()) are now included by default when building libjpeg-turbo with
libjpeg v6b or v7 emulation, so that programs can take advantage of these
functions without requiring the use of the backward-incompatible libjpeg v8
ABI. The "age number" of the libjpeg-turbo library on Un*x systems has been
incremented by 1 to reflect this. You can disable this feature with a
configure/CMake switch in order to retain strict API/ABI compatibility with the
libjpeg v6b or v7 API/ABI (or with previous versions of libjpeg-turbo.) See
README-turbo.txt for more details.
[13] Added ARM v7s architecture to libjpeg.a and libturbojpeg.a in the official
libjpeg-turbo binary package for OS X, so that those libraries can be used to
build applications that leverage the faster CPUs in the iPhone 5 and iPad 4.
1.2.1
=====
[1] Creating or decoding a JPEG file that uses the RGB colorspace should now
properly work when the input or output colorspace is one of the libjpeg-turbo
colorspace extensions.
[2] When libjpeg-turbo was built without SIMD support and merged (non-fancy)
upsampling was used along with an alpha-enabled colorspace during
decompression, the unused byte of the decompressed pixels was not being set to
0xFF. This has been fixed. TJUnitTest has also been extended to test for the
correct behavior of the colorspace extensions when merged upsampling is used.
[3] Fixed a bug whereby the libjpeg-turbo SSE2 SIMD code would not preserve the
upper 64 bits of xmm6 and xmm7 on Win64 platforms, which violated the Win64
calling conventions.
[4] Fixed a regression caused by 1.2.0[6] whereby decompressing corrupt JPEG
images (specifically, images in which the component count was erroneously set
to a large value) would cause libjpeg-turbo to segfault.
[5] Worked around a severe performance issue with "Bobcat" (AMD Embedded APU)
processors. The MASKMOVDQU instruction, which was used by the libjpeg-turbo
SSE2 SIMD code, is apparently implemented in microcode on AMD processors, and
it is painfully slow on Bobcat processors in particular. Eliminating the use
of this instruction improved performance by an order of magnitude on Bobcat
processors and by a small amount (typically 5%) on AMD desktop processors.
[6] Added SIMD acceleration for performing 4:2:2 upsampling on NEON-capable ARM
platforms. This speeds up the decompression of 4:2:2 JPEGs by 20-25% on such
platforms.
[7] Fixed a regression caused by 1.2.0[2] whereby, on Linux/x86 platforms
running the 32-bit SSE2 SIMD code in libjpeg-turbo, decompressing a 4:2:0 or
4:2:2 JPEG image into a 32-bit (RGBX, BGRX, etc.) buffer without using fancy
upsampling would produce several incorrect columns of pixels at the right-hand
side of the output image if each row in the output image was not evenly
divisible by 16 bytes.
[8] Fixed an issue whereby attempting to build the SIMD extensions with Xcode
4.3 on OS X platforms would cause NASM to return numerous errors of the form
"'%define' expects a macro identifier".
[9] Added flags to the TurboJPEG API that allow the caller to force the use of
either the fast or the accurate DCT/IDCT algorithms in the underlying codec.
1.2.0
=====
[1] Fixed build issue with YASM on Unix systems (the libjpeg-turbo build system
was not adding the current directory to the assembler include path, so YASM
was not able to find jsimdcfg.inc.)
[2] Fixed out-of-bounds read in SSE2 SIMD code that occurred when decompressing
a JPEG image to a bitmap buffer whose size was not a multiple of 16 bytes.
This was more of an annoyance than an actual bug, since it did not cause any
actual run-time problems, but the issue showed up when running libjpeg-turbo in
valgrind. See http://crbug.com/72399 for more information.
[3] Added a compile-time macro (LIBJPEG_TURBO_VERSION) that can be used to
check the version of libjpeg-turbo against which an application was compiled.
[4] Added new RGBA/BGRA/ABGR/ARGB colorspace extension constants (libjpeg API)
and pixel formats (TurboJPEG API), which allow applications to specify that,
when decompressing to a 4-component RGB buffer, the unused byte should be set
to 0xFF so that it can be interpreted as an opaque alpha channel.
[5] Fixed regression issue whereby DevIL failed to build against libjpeg-turbo
because libjpeg-turbo's distributed version of jconfig.h contained an INLINE
macro, which conflicted with a similar macro in DevIL. This macro is used only
internally when building libjpeg-turbo, so it was moved into config.h.
[6] libjpeg-turbo will now correctly decompress erroneous CMYK/YCCK JPEGs whose
K component is assigned a component ID of 1 instead of 4. Although these files
are in violation of the spec, other JPEG implementations handle them
correctly.
[7] Added ARM v6 and ARM v7 architectures to libjpeg.a and libturbojpeg.a in
the official libjpeg-turbo binary package for OS X, so that those libraries can
be used to build both OS X and iOS applications.
1.1.90 (1.2 beta1)
==================
[1] Added a Java wrapper for the TurboJPEG API. See java/README for more
details.
[2] The TurboJPEG API can now be used to scale down images during
decompression.
[3] Added SIMD routines for RGB-to-grayscale color conversion, which
significantly improves the performance of grayscale JPEG compression from an
RGB source image.
[4] Improved the performance of the C color conversion routines, which are used
on platforms for which SIMD acceleration is not available.
[5] Added a function to the TurboJPEG API that performs lossless transforms.
This function is implemented using the same back end as jpegtran, but it
performs transcoding entirely in memory and allows multiple transforms and/or
crop operations to be batched together, so the source coefficients only need to
be read once. This is useful when generating image tiles from a single source
JPEG.
[6] Added tests for the new TurboJPEG scaled decompression and lossless
transform features to tjbench (the TurboJPEG benchmark, formerly called
"jpgtest".)
[7] Added support for 4:4:0 (transposed 4:2:2) subsampling in TurboJPEG, which
was necessary in order for it to read 4:2:2 JPEG files that had been losslessly
transposed or rotated 90 degrees.
[8] All legacy VirtualGL code has been re-factored, and this has allowed
libjpeg-turbo, in its entirety, to be re-licensed under a BSD-style license.
[9] libjpeg-turbo can now be built with YASM.
[10] Added SIMD acceleration for ARM Linux and iOS platforms that support
NEON instructions.
[11] Refactored the TurboJPEG C API and documented it using Doxygen. The
TurboJPEG 1.2 API uses pixel formats to define the size and component order of
the uncompressed source/destination images, and it includes a more efficient
version of TJBUFSIZE() that computes a worst-case JPEG size based on the level
of chrominance subsampling. The refactored implementation of the TurboJPEG API
now uses the libjpeg memory source and destination managers, which allows the
TurboJPEG compressor to grow the JPEG buffer as necessary.
[12] Eliminated errors in the output of jpegtran on Windows that occurred when
the application was invoked using I/O redirection
(jpegtran <input.jpg >output.jpg).
[13] The inclusion of libjpeg v7 and v8 emulation as well as arithmetic coding
support in libjpeg-turbo v1.1.0 introduced several new error constants in
jerror.h, and these were mistakenly enabled for all emulation modes, causing
the error enum in libjpeg-turbo to sometimes have different values than the
same enum in libjpeg. This represents an ABI incompatibility, and it caused
problems with rare applications that took specific action based on a particular
error value. The fix was to include the new error constants conditionally
based on whether libjpeg v7 or v8 emulation was enabled.
[14] Fixed an issue whereby Windows applications that used libjpeg-turbo would
fail to compile if the Windows system headers were included before jpeglib.h.
This issue was caused by a conflict in the definition of the INT32 type.
[15] Fixed 32-bit supplementary package for amd64 Debian systems, which was
broken by enhancements to the packaging system in 1.1.
[16] When decompressing a JPEG image using an output colorspace of
JCS_EXT_RGBX, JCS_EXT_BGRX, JCS_EXT_XBGR, or JCS_EXT_XRGB, libjpeg-turbo will
now set the unused byte to 0xFF, which allows applications to interpret that
byte as an alpha channel (0xFF = opaque).
1.1.1
=====
[1] Fixed a 1-pixel error in row 0, column 21 of the luminance plane generated
by tjEncodeYUV().
[2] libjpeg-turbo's accelerated Huffman decoder previously ignored unexpected
markers found in the middle of the JPEG data stream during decompression. It
will now hand off decoding of a particular block to the unaccelerated Huffman
decoder if an unexpected marker is found, so that the unaccelerated Huffman
decoder can generate an appropriate warning.
[3] Older versions of MinGW64 prefixed symbol names with underscores by
default, which differed from the behavior of 64-bit Visual C++. MinGW64 1.0
has adopted the behavior of 64-bit Visual C++ as the default, so to accommodate
this, the libjpeg-turbo SIMD function names are no longer prefixed with an
underscore when building with MinGW64. This means that, when building
libjpeg-turbo with older versions of MinGW64, you will now have to add
-fno-leading-underscore to the CFLAGS.
[4] Fixed a regression bug in the NSIS script that caused the Windows installer
build to fail when using the Visual Studio IDE.
[5] Fixed a bug in jpeg_read_coefficients() whereby it would not initialize
cinfo->image_width and cinfo->image_height if libjpeg v7 or v8 emulation was
enabled. This specifically caused the jpegoptim program to fail if it was
linked against a version of libjpeg-turbo that was built with libjpeg v7 or v8
emulation.
[6] Eliminated excessive I/O overhead that occurred when reading BMP files in
cjpeg.
[7] Eliminated errors in the output of cjpeg on Windows that occurred when the
application was invoked using I/O redirection (cjpeg <inputfile >output.jpg).
1.1.0
=====
[1] The algorithm used by the SIMD quantization function cannot produce correct
results when the JPEG quality is >= 98 and the fast integer forward DCT is
used. Thus, the non-SIMD quantization function is now used for those cases,
and libjpeg-turbo should now produce identical output to libjpeg v6b in all
cases.
[2] Despite the above, the fast integer forward DCT still degrades somewhat for
JPEG qualities greater than 95, so the TurboJPEG wrapper will now automatically
use the slow integer forward DCT when generating JPEG images of quality 96 or
greater. This reduces compression performance by as much as 15% for these
high-quality images but is necessary to ensure that the images are perceptually
lossless. It also ensures that the library can avoid the performance pitfall
created by [1].
[3] Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler.
[4] Fixed visual artifacts in grayscale JPEG compression caused by a typo in
the RGB-to-luminance lookup tables.
[5] The Windows distribution packages now include the libjpeg run-time programs
(cjpeg, etc.)
[6] All packages now include jpgtest.
[7] The TurboJPEG dynamic library now uses versioned symbols.
[8] Added two new TurboJPEG API functions, tjEncodeYUV() and
tjDecompressToYUV(), to replace the somewhat hackish TJ_YUV flag.
1.0.90 (1.1 beta1)
==================
[1] Added emulation of the libjpeg v7 and v8 APIs and ABIs. See
README-turbo.txt for more details. This feature was sponsored by CamTrace SAS.
[2] Created a new CMake-based build system for the Visual C++ and MinGW builds.
[3] Grayscale bitmaps can now be compressed from/decompressed to using the
TurboJPEG API.
[4] jpgtest can now be used to test decompression performance with existing
JPEG images.
[5] If the default install prefix (/opt/libjpeg-turbo) is used, then
'make install' now creates /opt/libjpeg-turbo/lib32 and
/opt/libjpeg-turbo/lib64 sym links to duplicate the behavior of the binary
packages.
[6] All symbols in the libjpeg-turbo dynamic library are now versioned, even
when the library is built with libjpeg v6b emulation.
[7] Added arithmetic encoding and decoding support (can be disabled with
configure or CMake options)
[8] Added a TJ_YUV flag to the TurboJPEG API, which causes both the compressor
and decompressor to output planar YUV images.
[9] Added an extended version of tjDecompressHeader() to the TurboJPEG API,
which allows the caller to determine the type of subsampling used in a JPEG
image.
[10] Added further protections against invalid Huffman codes.
1.0.1
=====
[1] The Huffman decoder will now handle erroneous Huffman codes (for instance,
from a corrupt JPEG image.) Previously, these would cause libjpeg-turbo to
crash under certain circumstances.
[2] Fixed typo in SIMD dispatch routines which was causing 4:2:2 upsampling to
[2] Fixed typo in SIMD dispatch routines that was causing 4:2:2 upsampling to
be used instead of 4:2:0 when decompressing JPEG images using SSE2 code.
[3] configure script will now automatically determine whether the
INCOMPLETE_TYPES_BROKEN macro should be defined.
Significant changes since 0.0.93
================================
1.0.0
=====
[1] 2983700: Further FreeBSD build tweaks (no longer necessary to specify
--host when configuring on a 64-bit system)
[2] Created sym. links in the Unix/Linux packages so that the TurboJPEG
[2] Created symlinks in the Unix/Linux packages so that the TurboJPEG
include file can always be found in /opt/libjpeg-turbo/include, the 32-bit
static libraries can always be found in /opt/libjpeg-turbo/lib32, and the
64-bit static libraries can always be found in /opt/libjpeg-turbo/lib64.
@@ -26,7 +350,7 @@ static libraries can always be found in /opt/libjpeg-turbo/lib32, and the
[3] The Unix/Linux distribution packages now include the libjpeg run-time
programs (cjpeg, etc.) and man pages.
[4] Created a 32-bit supplementary package for amd64 Debian systems which
[4] Created a 32-bit supplementary package for amd64 Debian systems, which
contains just the 32-bit libjpeg-turbo libraries.
[5] Moved the libraries from */lib32 to */lib in the i386 Debian package.
@@ -37,18 +361,24 @@ contains just the 32-bit libjpeg-turbo libraries.
unit tests now work on those architectures.
Significant changes since 0.0.91
================================
0.0.93
======
[1] 2982659, Fixed x86-64 build on FreeBSD systems
[2] 2988188: Added support for Windows 64-bit systems
Significant changes since 0.0.90
================================
0.0.91
======
[1] Added documentation to .deb packages
[2] 2968313: Fixed data corruption issues when decompressing large JPEG images
and/or using buffered I/O with the libjpeg-turbo decompressor
0.0.90
======
Initial release

504
LGPL.txt
View File

@@ -1,504 +0,0 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
This license, the Lesser General Public License, applies to some
specially designated software packages--typically libraries--of the
Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use,
not price. Our General Public Licenses are designed to make sure that
you have the freedom to distribute copies of free software (and charge
for this service if you wish); that you receive source code or can get
it if you want it; that you can change the software and use pieces of
it in new free programs; and that you are informed that you can do
these things.
To protect your rights, we need to make restrictions that forbid
distributors to deny you these rights or to ask you to surrender these
rights. These restrictions translate to certain responsibilities for
you if you distribute copies of the library or if you modify it.
For example, if you distribute copies of the library, whether gratis
or for a fee, you must give the recipients all the rights that we gave
you. You must make sure that they, too, receive or can get the source
code. If you link other code with the library, you must provide
complete object files to the recipients, so that they can relink them
with the library after making changes to the library and recompiling
it. And you must show them these terms so they know their rights.
We protect your rights with a two-step method: (1) we copyright the
library, and (2) we offer you this license, which gives you legal
permission to copy, distribute and/or modify the library.
To protect each distributor, we want to make it very clear that
there is no warranty for the free library. Also, if the library is
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That's all there is to it!

View File

@@ -1,53 +0,0 @@
wxWindows Library Licence, Version 3.1
======================================
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Everyone is permitted to copy and distribute verbatim copies
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code and/or adjust the licensing conditions notice accordingly.

View File

@@ -1,11 +1,18 @@
lib_LTLIBRARIES = libjpeg.la libturbojpeg.la
libjpeg_la_LDFLAGS = -version-number 62:0:0 -no-undefined
libturbojpeg_la_LDFLAGS = -avoid-version -no-undefined
include_HEADERS = jerror.h jmorecfg.h jpeglib.h turbojpeg.h
lib_LTLIBRARIES = libjpeg.la
libjpeg_la_LDFLAGS = -version-info ${LIBTOOL_CURRENT}:${SO_MINOR_VERSION}:${SO_AGE} -no-undefined
include_HEADERS = jerror.h jmorecfg.h jpeglib.h
if WITH_TURBOJPEG
lib_LTLIBRARIES += libturbojpeg.la
libturbojpeg_la_LDFLAGS = -version-info 0:0 -no-undefined
include_HEADERS += turbojpeg.h
endif
nodist_include_HEADERS = jconfig.h
HDRS = jchuff.h jdct.h jdhuff.h jerror.h jinclude.h jmemsys.h jmorecfg.h \
jpegint.h jpeglib.h jversion.h jsimd.h jsimddct.h
jpegint.h jpeglib.h jversion.h jsimd.h jsimddct.h jpegcomp.h
libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \
jcdctmgr.c jchuff.c jcinit.c jcmainct.c jcmarker.c jcmaster.c \
@@ -16,18 +23,56 @@ libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \
jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c \
jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c
libturbojpeg_la_SOURCES = $(libjpeg_la_SOURCES) turbojpegl.c turbojpeg.h \
turbojpeg-mapfile
if WITH_ARITH
libjpeg_la_SOURCES += jaricom.c
endif
if VERSION_SCRIPT
if WITH_ARITH_ENC
libjpeg_la_SOURCES += jcarith.c
endif
libturbojpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)$(srcdir)/turbojpeg-mapfile
if WITH_ARITH_DEC
libjpeg_la_SOURCES += jdarith.c
endif
SUBDIRS = java
if WITH_TURBOJPEG
libturbojpeg_la_SOURCES = $(libjpeg_la_SOURCES) turbojpeg.c turbojpeg.h \
transupp.c transupp.h jdatadst-tj.c jdatasrc-tj.c
if WITH_JAVA
libturbojpeg_la_SOURCES += turbojpeg-jni.c
libturbojpeg_la_CFLAGS = ${JNI_CFLAGS}
TJMAPFILE = turbojpeg-mapfile.jni
else
TJMAPFILE = turbojpeg-mapfile
endif
libturbojpeg_la_SOURCES += $(TJMAPFILE)
if VERSION_SCRIPT
libturbojpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)$(srcdir)/$(TJMAPFILE)
endif
endif
if VERSION_SCRIPT
libjpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)libjpeg.map
endif
if WITH_SIMD
SUBDIRS = simd
SUBDIRS += simd
libjpeg_la_LIBADD = simd/libsimd.la
libturbojpeg_la_LIBADD = simd/libsimd.la
@@ -37,18 +82,30 @@ libjpeg_la_SOURCES += jsimd_none.c
endif
TSTHDRS = rrutil.h rrtimer.h
bin_PROGRAMS = cjpeg djpeg jpegtran rdjpgcom wrjpgcom
noinst_PROGRAMS = jpgtest jpegut
noinst_PROGRAMS = jcstest
jpgtest_SOURCES = $(TSTHDRS) jpgtest.cxx bmp.h bmp.c
jpgtest_LDADD = libturbojpeg.la
if WITH_TURBOJPEG
jpegut_SOURCES = $(TSTHDRS) jpegut.c bmp.h bmp.c
bin_PROGRAMS += tjbench
noinst_PROGRAMS += tjunittest
tjbench_SOURCES = tjbench.c bmp.h bmp.c tjutil.h tjutil.c rdbmp.c rdppm.c \
wrbmp.c wrppm.c
tjbench_LDADD = libturbojpeg.la libjpeg.la -lm
tjbench_CFLAGS = -DBMP_SUPPORTED -DPPM_SUPPORTED
tjunittest_SOURCES = tjunittest.c tjutil.h tjutil.c
tjunittest_LDADD = libturbojpeg.la
endif
jpegut_LDADD = libturbojpeg.la
cjpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c cjpeg.c rdbmp.c rdgif.c \
rdppm.c rdswitch.c rdtarga.c
@@ -78,132 +135,253 @@ wrjpgcom_SOURCES = wrjpgcom.c
wrjpgcom_LDADD = libjpeg.la
jcstest_SOURCES = jcstest.c
jcstest_LDADD = libjpeg.la
dist_man1_MANS = cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
DOCS= README install.doc usage.doc wizard.doc example.c libjpeg.doc \
structure.doc coderules.doc filelist.doc jconfig.doc change.log \
README-turbo.txt rdrle.c wrrle.c LICENSE.txt LGPL.txt BUILDING.txt \
DOCS= coderules.txt jconfig.txt change.log rdrle.c wrrle.c BUILDING.txt \
ChangeLog.txt
TESTFILES= testorig.jpg testorig.ppm testimg.bmp testimgflt.jpg \
testimgfst.jpg testimgint.jpg testimgp.jpg testimgflt.ppm testimgfst.ppm \
testimgint.ppm testimgflt-nosimd.jpg
docdir = $(datadir)/doc
dist_doc_DATA = README README-turbo.txt libjpeg.txt structure.txt usage.txt \
wizard.txt
EXTRA_DIST = win release $(DOCS) $(TESTFILES)
exampledir = $(datadir)/doc
dist_example_DATA = example.c
EXTRA_DIST = win release $(DOCS) testimages md5cmp CMakeLists.txt \
sharedlib/CMakeLists.txt cmakescripts libjpeg.map.in doc doxygen.config \
jccolext.c jdcolext.c jdmrgext.c
dist-hook:
rm -rf `find $(distdir) -name .svn`
if WITH_SIMD
MD5_JPEG_INT = 9a68f56bc76e466aa7e52f415d0f4a5f
MD5_JPEG_FAST = 0e1502e7fa421835e376a314fac2a39f
MD5_JPEG_FAST_100 = 7bf72a8e741d64eecb960c97323af77c
MD5_JPEG_FLOAT = d1623885ffafcd40c684af09e3d65cd5
MD5_JPEG_FLOAT_NOSIMD = fb4884c35f8273f498cb32879de5c455
MD5_JPEG_INT_GRAY = 72b51f894b8f4a10b3ee3066770aa38d
MD5_PPM_INT = d1ed0d11f076b842525271647716aeb8
MD5_PPM_FAST = 048298a2d2410261c0533cb97bcfef23
MD5_PPM_FLOAT = 7f5b446ee36b2630e06785b8d42af15f
MD5_PPM_FLOAT_NOSIMD = 64072f1dbdc5b3a187777788604971a5
MD5_PPM_INT_2_1 = 9f9de8c0612f8d06869b960b05abf9c9
MD5_PPM_INT_15_8 = b6875bc070720b899566cc06459b63b7
MD5_PPM_INT_7_4 = 06a177eae05f164fac57f7a2c346ee87
MD5_PPM_INT_13_8 = bc3452573c8152f6ae552939ee19f82f
MD5_PPM_INT_3_2 = f5a8b88a8a7f96016f04d259cf82ed67
MD5_PPM_INT_11_8 = d8cc73c0aaacd4556569b59437ba00a5
MD5_PPM_INT_5_4 = 32775dd9ad2ab90f4c5b219b53e0c86c
MD5_PPM_INT_9_8 = d25e61bc7eac0002f5b393aa223747b6
MD5_PPM_INT_7_8 = ddb564b7c74a09494016d6cd7502a946
MD5_PPM_INT_3_4 = 8ed8e68808c3fbc4ea764fc9d2968646
MD5_PPM_INT_5_8 = a3363274999da2366a024efae6d16c9b
MD5_PPM_INT_1_2 = e692a315cea26b988c8e8b29a5dbcd81
MD5_PPM_INT_3_8 = 79eca9175652ced755155c90e785a996
MD5_PPM_INT_1_4 = 79cd778f8bf1a117690052cacdd54eca
MD5_PPM_INT_1_8 = 391b3d4aca640c8567d6f8745eb2142f
MD5_PPM_FAST_1_2 = f30bcf6d32ccd44cbdd9aeaacbd9454f
MD5_BMP_256 = 4980185e3776e89bd931736e1cddeee6
MD5_JPEG_ARI = e986fb0a637a8d833d96e8a6d6d84ea1
MD5_PPM_ARI = 72b59a99bcf1de24c5b27d151bde2437
MD5_JPEG_PROG = 1c4afddc05c0a43489ee54438a482d92
MD5_JPEG_CROP = b4197f377e621c4e9b1d20471432610d
test: testclean all
./jpegut
./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm
./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testorig.ppm
./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testorig.ppm
cmp $(srcdir)/testimgint.jpg testoutint.jpg
cmp $(srcdir)/testimgfst.jpg testoutfst.jpg
cmp $(srcdir)/testimgflt.jpg testoutflt.jpg
./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testorig.jpg
./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testorig.jpg
./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testorig.jpg
cmp $(srcdir)/testimgint.ppm testoutint.ppm
cmp $(srcdir)/testimgfst.ppm testoutfst.ppm
cmp $(srcdir)/testimgflt.ppm testoutflt.ppm
./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testorig.jpg
cmp $(srcdir)/testimg.bmp testout.bmp
./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testorig.ppm
cmp $(srcdir)/testimgp.jpg testoutp.jpg
./jpegtran -outfile testoutt.jpg testoutp.jpg
cmp $(srcdir)/testimgint.jpg testoutt.jpg
else
test: testclean all
./jpegut
./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm
./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testorig.ppm
./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testorig.ppm
cmp $(srcdir)/testimgint.jpg testoutint.jpg
cmp $(srcdir)/testimgfst.jpg testoutfst.jpg
cmp $(srcdir)/testimgflt-nosimd.jpg testoutflt.jpg
./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testorig.jpg
./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testorig.jpg
./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testorig.jpg
cmp $(srcdir)/testimgint.ppm testoutint.ppm
cmp $(srcdir)/testimgfst.ppm testoutfst.ppm
cmp $(srcdir)/testorig.ppm testoutflt.ppm
./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testorig.jpg
cmp $(srcdir)/testimg.bmp testout.bmp
./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testorig.ppm
cmp $(srcdir)/testimgp.jpg testoutp.jpg
./jpegtran -outfile testoutt.jpg testoutp.jpg
cmp $(srcdir)/testimgint.jpg testoutt.jpg
if WITH_TURBOJPEG
if WITH_JAVA
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -bi
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -yuv
$(JAVA) -cp java/turbojpeg.jar -Djava.library.path=.libs TJUnitTest -yuv -bi
endif
./tjunittest
./tjunittest -alloc
./tjunittest -yuv
endif
./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testimages/testorig.ppm
sh $(srcdir)/md5cmp $(MD5_JPEG_INT) testoutint.jpg
./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testimages/testorig.ppm
sh $(srcdir)/md5cmp $(MD5_JPEG_FAST) testoutfst.jpg
./cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg $(srcdir)/testimages/testorig.ppm
sh $(srcdir)/md5cmp $(MD5_JPEG_FAST_100) testoutfst100.jpg
./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testimages/testorig.ppm
if WITH_SSE_FLOAT_DCT
sh $(srcdir)/md5cmp $(MD5_JPEG_FLOAT) testoutflt.jpg
else
sh $(srcdir)/md5cmp $(MD5_JPEG_FLOAT_NOSIMD) testoutflt.jpg
endif
./cjpeg -dct int -grayscale -outfile testoutgray.jpg $(srcdir)/testimages/testorig.ppm
sh $(srcdir)/md5cmp $(MD5_JPEG_INT_GRAY) testoutgray.jpg
./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testimages/testorig.jpg
sh $(srcdir)/md5cmp $(MD5_PPM_INT) testoutint.ppm
./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testimages/testorig.jpg
sh $(srcdir)/md5cmp $(MD5_PPM_FAST) testoutfst.ppm
./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testimages/testorig.jpg
if WITH_SSE_FLOAT_DCT
sh $(srcdir)/md5cmp $(MD5_PPM_FLOAT) testoutflt.ppm
else
sh $(srcdir)/md5cmp $(MD5_PPM_FLOAT_NOSIMD) testoutflt.ppm
endif
MD5[21]=$(MD5_PPM_INT_2_1); \
MD5[158]=$(MD5_PPM_INT_15_8); \
MD5[74]=$(MD5_PPM_INT_7_4); \
MD5[138]=$(MD5_PPM_INT_13_8); \
MD5[32]=$(MD5_PPM_INT_3_2); \
MD5[118]=$(MD5_PPM_INT_11_8); \
MD5[54]=$(MD5_PPM_INT_5_4); \
MD5[98]=$(MD5_PPM_INT_9_8); \
MD5[78]=$(MD5_PPM_INT_7_8); \
MD5[34]=$(MD5_PPM_INT_3_4); \
MD5[58]=$(MD5_PPM_INT_5_8); \
MD5[12]=$(MD5_PPM_INT_1_2); \
MD5[38]=$(MD5_PPM_INT_3_8); \
MD5[14]=$(MD5_PPM_INT_1_4); \
MD5[18]=$(MD5_PPM_INT_1_8); \
for scale in 2_1 15_8 7_4 13_8 3_2 11_8 5_4 9_8 7_8 3_4 5_8 1_2 3_8 1_4 1_8; do \
scalearg=`echo $$scale | sed s@_@/@g`; \
arrayindex=`echo $$scale | sed s@_@@g`; \
./djpeg -dct int -nosmooth -scale $$scalearg -ppm -outfile testoutint$$scale.ppm $(srcdir)/testimages/testorig.jpg; \
sh $(srcdir)/md5cmp $${MD5[$$arrayindex]} testoutint$$scale.ppm; \
done
./djpeg -dct fast -scale 1/2 -ppm -outfile testoutfst1_2.ppm $(srcdir)/testimages/testorig.jpg
sh $(srcdir)/md5cmp $(MD5_PPM_FAST_1_2) testoutfst1_2.ppm
./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testimages/testorig.jpg
sh $(srcdir)/md5cmp $(MD5_BMP_256) testout.bmp
if WITH_ARITH_ENC
./cjpeg -dct int -arithmetic -outfile testoutari.jpg $(srcdir)/testimages/testorig.ppm
sh $(srcdir)/md5cmp $(MD5_JPEG_ARI) testoutari.jpg
./jpegtran -arithmetic -outfile testouta.jpg $(srcdir)/testimages/testimgint.jpg
sh $(srcdir)/md5cmp $(MD5_JPEG_ARI) testouta.jpg
endif
if WITH_ARITH_DEC
./djpeg -dct int -fast -ppm -outfile testoutari.ppm $(srcdir)/testimages/testimgari.jpg
sh $(srcdir)/md5cmp $(MD5_PPM_ARI) testoutari.ppm
./jpegtran -outfile testouta.jpg $(srcdir)/testimages/testimgari.jpg
sh $(srcdir)/md5cmp $(MD5_JPEG_INT) testouta.jpg
endif
./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testimages/testorig.ppm
sh $(srcdir)/md5cmp $(MD5_JPEG_PROG) testoutp.jpg
./jpegtran -outfile testoutt.jpg testoutp.jpg
sh $(srcdir)/md5cmp $(MD5_JPEG_INT) testoutt.jpg
./jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg $(srcdir)/testimages/testorig.jpg
sh $(srcdir)/md5cmp $(MD5_JPEG_CROP) testoutcrop.jpg
testclean:
rm -f testout*
rm -f *_GRAYQ[0-9]*.bmp
rm -f *_GRAYQ[0-9]*.ppm
rm -f *_GRAYQ[0-9]*.jpg
rm -f *_420Q[0-9]*.bmp
rm -f *_420Q[0-9]*.ppm
rm -f *_420Q[0-9]*.jpg
rm -f *_422Q[0-9]*.bmp
rm -f *_422Q[0-9]*.ppm
rm -f *_422Q[0-9]*.jpg
rm -f *_444Q[0-9]*.bmp
rm -f *_444Q[0-9]*.ppm
rm -f *_444Q[0-9]*.jpg
rm -f *_GRAY_*.bmp
rm -f *_GRAY_*.png
rm -f *_GRAY_*.ppm
rm -f *_GRAY_*.jpg
rm -f *_GRAY.yuv
rm -f *_420_*.bmp
rm -f *_420_*.png
rm -f *_420_*.ppm
rm -f *_420_*.jpg
rm -f *_420.yuv
rm -f *_422_*.bmp
rm -f *_422_*.png
rm -f *_422_*.ppm
rm -f *_422_*.jpg
rm -f *_422.yuv
rm -f *_444_*.bmp
rm -f *_444_*.png
rm -f *_444_*.ppm
rm -f *_444_*.jpg
rm -f *_444.yuv
rm -f *_440_*.bmp
rm -f *_440_*.png
rm -f *_440_*.ppm
rm -f *_440_*.jpg
rm -f *_440.yuv
tjtest:
sh ./tjbenchtest
if WITH_JAVA
sh ./tjbenchtest.java
endif
if X86_64
install-exec-hook:
__PREFIX=`echo ${prefix} | sed -e 's@\/*$$@@'`; \
if [ "$$__PREFIX" = "/opt/libjpeg-turbo" ]; then \
cd $(DESTDIR)/${prefix}; \
if [ -d lib -a ! -d lib64 -a ! -h lib64 ]; then \
$(LN_S) lib lib64; \
fi \
fi
else
install-exec-hook:
__PREFIX=`echo ${prefix} | sed -e 's@\/*$$@@'`; \
if [ "$$__PREFIX" = "/opt/libjpeg-turbo" ]; then \
cd $(DESTDIR)/${prefix}; \
if [ -d lib -a ! -d lib32 -a ! -h lib32 ]; then \
$(LN_S) lib lib32; \
fi \
fi
endif
rpm: all
sh $(srcdir)/release/makerpm ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${RPMARCH} ${srcdir}
TMPDIR=`mktemp -d /tmp/${PACKAGE_NAME}-build.XXXXXX`; \
mkdir -p $$TMPDIR/RPMS; \
ln -fs `pwd` $$TMPDIR/BUILD; \
rm -f ${PACKAGE_NAME}-${VERSION}.${RPMARCH}.rpm; \
rpmbuild -bb --define "_blddir $$TMPDIR/buildroot" \
--define "_topdir $$TMPDIR" \
--target ${RPMARCH} pkgscripts/libjpeg-turbo.spec; \
cp $$TMPDIR/RPMS/${RPMARCH}/${PACKAGE_NAME}-${VERSION}-${BUILD}.${RPMARCH}.rpm \
${PACKAGE_NAME}-${VERSION}.${RPMARCH}.rpm; \
rm -rf $$TMPDIR
srpm: dist-gzip
sh $(srcdir)/release/makesrpm ${PACKAGE_NAME} ${VERSION} ${BUILD} ${srcdir}
TMPDIR=`mktemp -d /tmp/${PACKAGE_NAME}-build.XXXXXX`; \
mkdir -p $$TMPDIR/RPMS; \
mkdir -p $$TMPDIR/SRPMS; \
mkdir -p $$TMPDIR/BUILD; \
mkdir -p $$TMPDIR/SOURCES; \
mkdir -p $$TMPDIR/SPECS; \
rm -f ${PACKAGE_NAME}-${VERSION}.src.rpm; \
cp ${PACKAGE_NAME}-${VERSION}.tar.gz $$TMPDIR/SOURCES; \
cat pkgscripts/libjpeg-turbo.spec | sed s/%{_blddir}/%{_tmppath}/g \
| sed s/#--\>//g \
> $$TMPDIR/SPECS/libjpeg-turbo.spec; \
rpmbuild -bs --define "_topdir $$TMPDIR" $$TMPDIR/SPECS/libjpeg-turbo.spec; \
cp $$TMPDIR/SRPMS/${PACKAGE_NAME}-${VERSION}-${BUILD}.src.rpm \
${PACKAGE_NAME}-${VERSION}.src.rpm; \
rm -rf $$TMPDIR
deb: all
sh $(srcdir)/release/makedpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${DEBARCH} ${srcdir}
sh pkgscripts/makedpkg
if X86_64
udmg: all
sh $(srcdir)/release/makemacpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${srcdir} universal
sh pkgscripts/makemacpkg -build32 ${BUILDDIR32}
iosdmg: all
sh pkgscripts/makemacpkg -build32 ${BUILDDIR32} -buildarmv6 ${BUILDDIRARMV6} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S}
else
iosdmg: all
sh pkgscripts/makemacpkg -buildarmv6 ${BUILDDIRARMV6} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S}
endif
dmg: all
sh $(srcdir)/release/makemacpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} ${srcdir}
if X86_64
sunpkg: all
sh $(srcdir)/release/makesunpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${DEBARCH} ${srcdir} $(CC) $(CXX) combined
nsi: all
makensis -nocd -DVERSION=$(VERSION) -DAPPNAME=libjpeg-turbo-gcc64 \
-DWLIBDIR=.libs -DWSRCDIR=$(srcdir) -DWBLDDIR=. -DWHDRDIR=. -DWIN64 \
-DPLATFORM="GCC 64-bit" -DGCC $(srcdir)/release/libjpeg-turbo.nsi
else
sunpkg: all
sh $(srcdir)/release/makesunpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
${DEBARCH} ${srcdir} $(CC) $(CXX)
nsi: all
makensis -nocd -DVERSION=$(VERSION) -DAPPNAME=libjpeg-turbo-gcc \
-DWLIBDIR=.libs -DWSRCDIR=$(srcdir) -DWBLDDIR=. -DWHDRDIR=. \
-DPLATFORM="GCC" -DGCC $(srcdir)/release/libjpeg-turbo.nsi
endif
sh pkgscripts/makemacpkg
cygwinpkg: all
sh $(srcdir)/release/makecygwinpkg ${PACKAGE_NAME} ${VERSION} ${srcdir}
sh pkgscripts/makecygwinpkg

278
README
View File

@@ -1,31 +1,24 @@
libjpeg-turbo note: This is the legacy document from the original libjpeg v6b
release, which is included for reference. The Internet addresses given below
are likely non-functional. For more information about the libjpeg project,
please see http://www.ijg.org. For more information about libjpeg-turbo,
please see http://libjpeg-turbo.virtualgl.org.
libjpeg-turbo note: This file has been modified by The libjpeg-turbo Project
to include only information relevant to libjpeg-turbo, to wordsmith certain
sections, and to remove impolitic language that existed in the libjpeg v8
README. It is included only for reference. Please see README-turbo.txt for
information specific to libjpeg-turbo.
The Independent JPEG Group's JPEG software
==========================================
README for release 6b of 27-Mar-1998
====================================
This distribution contains a release of the Independent JPEG Group's free JPEG
software. You are welcome to redistribute this software and to use it for any
purpose, subject to the conditions under LEGAL ISSUES, below.
This distribution contains the sixth public release of the Independent JPEG
Group's free JPEG software. You are welcome to redistribute this software and
to use it for any purpose, subject to the conditions under LEGAL ISSUES, below.
This software is the work of Tom Lane, Guido Vollbeding, Philip Gladstone,
Bill Allombert, Jim Boucher, Lee Crocker, Bob Friesenhahn, Ben Jackson,
Julian Minguillon, Luis Ortiz, George Phillips, Davide Rossi, Ge' Weijers,
and other members of the Independent JPEG Group.
Serious users of this software (particularly those incorporating it into
larger programs) should contact IJG at jpeg-info@uunet.uu.net to be added to
our electronic mailing list. Mailing list members are notified of updates
and have a chance to participate in technical discussions, etc.
This software is the work of Tom Lane, Philip Gladstone, Jim Boucher,
Lee Crocker, Julian Minguillon, Luis Ortiz, George Phillips, Davide Rossi,
Guido Vollbeding, Ge' Weijers, and other members of the Independent JPEG
Group.
IJG is not affiliated with the official ISO JPEG standards committee.
IJG is not affiliated with the ISO/IEC JTC1/SC29/WG1 standards committee
(also known as JPEG, together with ITU-T SG16).
DOCUMENTATION ROADMAP
@@ -37,27 +30,25 @@ OVERVIEW General description of JPEG and the IJG software.
LEGAL ISSUES Copyright, lack of warranty, terms of distribution.
REFERENCES Where to learn more about JPEG.
ARCHIVE LOCATIONS Where to find newer versions of this software.
RELATED SOFTWARE Other stuff you should get.
FILE FORMAT WARS Software *not* to get.
TO DO Plans for future IJG releases.
Other documentation files in the distribution are:
User documentation:
install.doc How to configure and install the IJG software.
usage.doc Usage instructions for cjpeg, djpeg, jpegtran,
install.txt How to configure and install the IJG software.
usage.txt Usage instructions for cjpeg, djpeg, jpegtran,
rdjpgcom, and wrjpgcom.
*.1 Unix-style man pages for programs (same info as usage.doc).
wizard.doc Advanced usage instructions for JPEG wizards only.
*.1 Unix-style man pages for programs (same info as usage.txt).
wizard.txt Advanced usage instructions for JPEG wizards only.
change.log Version-to-version change highlights.
Programmer and internal documentation:
libjpeg.doc How to use the JPEG library in your own programs.
libjpeg.txt How to use the JPEG library in your own programs.
example.c Sample code for calling the JPEG library.
structure.doc Overview of the JPEG library's internal structure.
filelist.doc Road map of IJG files.
coderules.doc Coding style rules --- please read if you contribute code.
structure.txt Overview of the JPEG library's internal structure.
coderules.txt Coding style rules --- please read if you contribute code.
Please read at least the files install.doc and usage.doc. Useful information
Please read at least the files install.txt and usage.txt. Some information
can also be found in the JPEG FAQ (Frequently Asked Questions) article. See
ARCHIVE LOCATIONS below to find out where to obtain the FAQ article.
@@ -69,24 +60,27 @@ the order listed) before diving into the code.
OVERVIEW
========
This package contains C software to implement JPEG image compression and
decompression. JPEG (pronounced "jay-peg") is a standardized compression
method for full-color and gray-scale images. JPEG is intended for compressing
"real-world" scenes; line drawings, cartoons and other non-realistic images
are not its strong suit. JPEG is lossy, meaning that the output image is not
exactly identical to the input image. Hence you must not use JPEG if you
have to have identical output bits. However, on typical photographic images,
very good compression levels can be obtained with no visible change, and
remarkably high compression levels are possible if you can tolerate a
low-quality image. For more details, see the references, or just experiment
with various compression settings.
This package contains C software to implement JPEG image encoding, decoding,
and transcoding. JPEG (pronounced "jay-peg") is a standardized compression
method for full-color and gray-scale images. JPEG's strong suit is compressing
photographic images or other types of images that have smooth color and
brightness transitions between neighboring pixels. Images with sharp lines or
other abrupt features may not compress well with JPEG, and a higher JPEG
quality may have to be used to avoid visible compression artifacts with such
images.
JPEG is lossy, meaning that the output pixels are not necessarily identical to
the input pixels. However, on photographic content and other "smooth" images,
very good compression ratios can be obtained with no visible compression
artifacts, and extremely high compression ratios are possible if you are
willing to sacrifice image quality (by reducing the "quality" setting in the
compressor.)
This software implements JPEG baseline, extended-sequential, and progressive
compression processes. Provision is made for supporting all variants of these
processes, although some uncommon parameter settings aren't implemented yet.
For legal reasons, we are not distributing code for the arithmetic-coding
variants of JPEG; see LEGAL ISSUES. We have made no provision for supporting
the hierarchical or lossless processes defined in the standard.
We have made no provision for supporting the hierarchical or lossless
processes defined in the standard.
We provide a set of library routines for reading and writing JPEG image files,
plus two sample applications "cjpeg" and "djpeg", which use the library to
@@ -98,10 +92,11 @@ considerable functionality beyond the bare JPEG coding/decoding capability;
for example, the color quantization modules are not strictly part of JPEG
decoding, but they are essential for output to colormapped file formats or
colormapped displays. These extra functions can be compiled out of the
library if not required for a particular application. We have also included
"jpegtran", a utility for lossless transcoding between different JPEG
processes, and "rdjpgcom" and "wrjpgcom", two simple applications for
inserting and extracting textual comments in JFIF files.
library if not required for a particular application.
We have also included "jpegtran", a utility for lossless transcoding between
different JPEG processes, and "rdjpgcom" and "wrjpgcom", two simple
applications for inserting and extracting textual comments in JFIF files.
The emphasis in designing this software has been on achieving portability and
flexibility, while also making it fast enough to be useful. In particular,
@@ -134,7 +129,7 @@ with respect to this software, its quality, accuracy, merchantability, or
fitness for a particular purpose. This software is provided "AS IS", and you,
its user, assume the entire risk as to its quality and accuracy.
This software is copyright (C) 1991-1998, Thomas G. Lane.
This software is copyright (C) 1991-2012, Thomas G. Lane, Guido Vollbeding.
All Rights Reserved except as specified below.
Permission is hereby granted to use, copy, modify, and distribute this
@@ -165,29 +160,11 @@ commercial products, provided that all warranty or liability claims are
assumed by the product vendor.
ansi2knr.c is included in this distribution by permission of L. Peter Deutsch,
sole proprietor of its copyright holder, Aladdin Enterprises of Menlo Park, CA.
ansi2knr.c is NOT covered by the above copyright and conditions, but instead
by the usual distribution terms of the Free Software Foundation; principally,
that you must include source code if you redistribute it. (See the file
ansi2knr.c for full details.) However, since ansi2knr.c is not needed as part
of any program generated from the IJG code, this does not limit you more than
the foregoing paragraphs do.
The Unix configuration script "configure" was produced with GNU Autoconf.
It is copyright by the Free Software Foundation but is freely distributable.
The same holds for its supporting scripts (config.guess, config.sub,
ltconfig, ltmain.sh). Another support script, install-sh, is copyright
by M.I.T. but is also freely distributable.
It appears that the arithmetic coding option of the JPEG spec is covered by
patents owned by IBM, AT&T, and Mitsubishi. Hence arithmetic coding cannot
legally be used without obtaining one or more licenses. For this reason,
support for arithmetic coding has been removed from the free JPEG software.
(Since arithmetic coding provides only a marginal gain over the unpatented
Huffman mode, it is unlikely that very many implementations will support it.)
So far as we are aware, there are no patent restrictions on the remaining
code.
ltmain.sh). Another support script, install-sh, is copyright by X Consortium
but is also freely distributable.
The IJG distribution formerly included code to read and write GIF files.
To avoid entanglement with the Unisys LZW patent, GIF reading support has
@@ -205,7 +182,7 @@ We are required to state that
REFERENCES
==========
We highly recommend reading one or more of these references before trying to
We recommend reading one or more of these references before trying to
understand the innards of the JPEG software.
The best short technical introduction to the JPEG compression algorithm is
@@ -214,7 +191,7 @@ The best short technical introduction to the JPEG compression algorithm is
(Adjacent articles in that issue discuss MPEG motion picture compression,
applications of JPEG, and related topics.) If you don't have the CACM issue
handy, a PostScript file containing a revised version of Wallace's article is
available at ftp://ftp.uu.net/graphics/jpeg/wallace.ps.gz. The file (actually
available at http://www.ijg.org/files/wallace.ps.gz. The file (actually
a preprint for an article that appeared in IEEE Trans. Consumer Electronics)
omits the sample images that appeared in CACM, but it includes corrections
and some added material. Note: the Wallace article is copyright ACM and IEEE,
@@ -229,82 +206,53 @@ code but don't know much about data compression in general. The book's JPEG
sample code is far from industrial-strength, but when you are ready to look
at a full implementation, you've got one here...
The best full description of JPEG is the textbook "JPEG Still Image Data
Compression Standard" by William B. Pennebaker and Joan L. Mitchell, published
by Van Nostrand Reinhold, 1993, ISBN 0-442-01272-1. Price US$59.95, 638 pp.
The book includes the complete text of the ISO JPEG standards (DIS 10918-1
and draft DIS 10918-2). This is by far the most complete exposition of JPEG
in existence, and we highly recommend it.
The best currently available description of JPEG is the textbook "JPEG Still
Image Data Compression Standard" by William B. Pennebaker and Joan L.
Mitchell, published by Van Nostrand Reinhold, 1993, ISBN 0-442-01272-1.
Price US$59.95, 638 pp. The book includes the complete text of the ISO JPEG
standards (DIS 10918-1 and draft DIS 10918-2).
The JPEG standard itself is not available electronically; you must order a
paper copy through ISO or ITU. (Unless you feel a need to own a certified
official copy, we recommend buying the Pennebaker and Mitchell book instead;
it's much cheaper and includes a great deal of useful explanatory material.)
In the USA, copies of the standard may be ordered from ANSI Sales at (212)
642-4900, or from Global Engineering Documents at (800) 854-7179. (ANSI
doesn't take credit card orders, but Global does.) It's not cheap: as of
1992, ANSI was charging $95 for Part 1 and $47 for Part 2, plus 7%
shipping/handling. The standard is divided into two parts, Part 1 being the
actual specification, while Part 2 covers compliance testing methods. Part 1
is titled "Digital Compression and Coding of Continuous-tone Still Images,
The original JPEG standard is divided into two parts, Part 1 being the actual
specification, while Part 2 covers compliance testing methods. Part 1 is
titled "Digital Compression and Coding of Continuous-tone Still Images,
Part 1: Requirements and guidelines" and has document numbers ISO/IEC IS
10918-1, ITU-T T.81. Part 2 is titled "Digital Compression and Coding of
Continuous-tone Still Images, Part 2: Compliance testing" and has document
numbers ISO/IEC IS 10918-2, ITU-T T.83.
Some extensions to the original JPEG standard are defined in JPEG Part 3,
a newer ISO standard numbered ISO/IEC IS 10918-3 and ITU-T T.84. IJG
currently does not support any Part 3 extensions.
The JPEG standard does not specify all details of an interchangeable file
format. For the omitted details we follow the "JFIF" conventions, revision
1.02. A copy of the JFIF spec is available from:
Literature Department
C-Cube Microsystems, Inc.
1778 McCarthy Blvd.
Milpitas, CA 95035
phone (408) 944-6300, fax (408) 944-6314
A PostScript version of this document is available by FTP at
ftp://ftp.uu.net/graphics/jpeg/jfif.ps.gz. There is also a plain text
version at ftp://ftp.uu.net/graphics/jpeg/jfif.txt.gz, but it is missing
the figures.
1.02. JFIF 1.02 has been adopted as an Ecma International Technical Report
and thus received a formal publication status. It is available as a free
download in PDF format from
http://www.ecma-international.org/publications/techreports/E-TR-098.htm.
A PostScript version of the JFIF document is available at
http://www.ijg.org/files/jfif.ps.gz. There is also a plain text version at
http://www.ijg.org/files/jfif.txt.gz, but it is missing the figures.
The TIFF 6.0 file format specification can be obtained by FTP from
ftp://ftp.sgi.com/graphics/tiff/TIFF6.ps.gz. The JPEG incorporation scheme
found in the TIFF 6.0 spec of 3-June-92 has a number of serious problems.
IJG does not recommend use of the TIFF 6.0 design (TIFF Compression tag 6).
Instead, we recommend the JPEG design proposed by TIFF Technical Note #2
(Compression tag 7). Copies of this Note can be obtained from ftp.sgi.com or
from ftp://ftp.uu.net/graphics/jpeg/. It is expected that the next revision
(Compression tag 7). Copies of this Note can be obtained from
http://www.ijg.org/files/. It is expected that the next revision
of the TIFF spec will replace the 6.0 JPEG design with the Note's design.
Although IJG's own code does not support TIFF/JPEG, the free libtiff library
uses our library to implement TIFF/JPEG per the Note. libtiff is available
from ftp://ftp.sgi.com/graphics/tiff/.
uses our library to implement TIFF/JPEG per the Note.
ARCHIVE LOCATIONS
=================
The "official" archive site for this software is ftp.uu.net (Internet
address 192.48.96.9). The most recent released version can always be found
there in directory graphics/jpeg. This particular version will be archived
as ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6b.tar.gz. If you don't have
direct Internet access, UUNET's archives are also available via UUCP; contact
help@uunet.uu.net for information on retrieving files that way.
The "official" archive site for this software is www.ijg.org.
The most recent released version can always be found there in
directory "files". This particular version will be archived as
http://www.ijg.org/files/jpegsrc.v8d.tar.gz, and in Windows-compatible
"zip" archive format as http://www.ijg.org/files/jpegsr8d.zip.
Numerous Internet sites maintain copies of the UUNET files. However, only
ftp.uu.net is guaranteed to have the latest official version.
You can also obtain this software in DOS-compatible "zip" archive format from
the SimTel archives (ftp://ftp.simtel.net/pub/simtelnet/msdos/graphics/), or
on CompuServe in the Graphics Support forum (GO CIS:GRAPHSUP), library 12
"JPEG Tools". Again, these versions may sometimes lag behind the ftp.uu.net
release.
The JPEG FAQ (Frequently Asked Questions) article is a useful source of
general information about JPEG. It is updated constantly and therefore is
not included in this distribution. The FAQ is posted every two weeks to
Usenet newsgroups comp.graphics.misc, news.answers, and other groups.
The JPEG FAQ (Frequently Asked Questions) article is a source of some
general information about JPEG.
It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/
and other news.answers archive sites, including the official news.answers
archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/.
@@ -314,79 +262,21 @@ with body
send usenet/news.answers/jpeg-faq/part2
RELATED SOFTWARE
================
Numerous viewing and image manipulation programs now support JPEG. (Quite a
few of them use this library to do so.) The JPEG FAQ described above lists
some of the more popular free and shareware viewers, and tells where to
obtain them on Internet.
If you are on a Unix machine, we highly recommend Jef Poskanzer's free
PBMPLUS software, which provides many useful operations on PPM-format image
files. In particular, it can convert PPM images to and from a wide range of
other formats, thus making cjpeg/djpeg considerably more useful. The latest
version is distributed by the NetPBM group, and is available from numerous
sites, notably ftp://wuarchive.wustl.edu/graphics/graphics/packages/NetPBM/.
Unfortunately PBMPLUS/NETPBM is not nearly as portable as the IJG software is;
you are likely to have difficulty making it work on any non-Unix machine.
A different free JPEG implementation, written by the PVRG group at Stanford,
is available from ftp://havefun.stanford.edu/pub/jpeg/. This program
is designed for research and experimentation rather than production use;
it is slower, harder to use, and less portable than the IJG code, but it
is easier to read and modify. Also, the PVRG code supports lossless JPEG,
which we do not. (On the other hand, it doesn't do progressive JPEG.)
FILE FORMAT WARS
================
Some JPEG programs produce files that are not compatible with our library.
The root of the problem is that the ISO JPEG committee failed to specify a
concrete file format. Some vendors "filled in the blanks" on their own,
creating proprietary formats that no one else could read. (For example, none
of the early commercial JPEG implementations for the Macintosh were able to
exchange compressed files.)
The file format we have adopted is called JFIF (see REFERENCES). This format
has been agreed to by a number of major commercial JPEG vendors, and it has
become the de facto standard. JFIF is a minimal or "low end" representation.
We recommend the use of TIFF/JPEG (TIFF revision 6.0 as modified by TIFF
Technical Note #2) for "high end" applications that need to record a lot of
additional data about an image. TIFF/JPEG is fairly new and not yet widely
supported, unfortunately.
The upcoming JPEG Part 3 standard defines a file format called SPIFF.
SPIFF is interoperable with JFIF, in the sense that most JFIF decoders should
be able to read the most common variant of SPIFF. SPIFF has some technical
advantages over JFIF, but its major claim to fame is simply that it is an
official standard rather than an informal one. At this point it is unclear
whether SPIFF will supersede JFIF or whether JFIF will remain the de-facto
standard. IJG intends to support SPIFF once the standard is frozen, but we
have not decided whether it should become our default output format or not.
(In any case, our decoder will remain capable of reading JFIF indefinitely.)
Various proprietary file formats incorporating JPEG compression also exist.
We have little or no sympathy for the existence of these formats. Indeed,
one of the original reasons for developing this free software was to help
force convergence on common, open format standards for JPEG files. Don't
use a proprietary file format!
The ISO/IEC JTC1/SC29/WG1 standards committee (also known as JPEG, together
with ITU-T SG16) currently promotes different formats containing the name
"JPEG" which are incompatible with original DCT-based JPEG. IJG therefore does
not support these formats (see REFERENCES). Indeed, one of the original
reasons for developing this free software was to help force convergence on
common, interoperable format standards for JPEG files.
Don't use an incompatible file format!
(In any case, our decoder will remain capable of reading existing JPEG
image files indefinitely.)
TO DO
=====
The major thrust for v7 will probably be improvement of visual quality.
The current method for scaling the quantization tables is known not to be
very good at low Q values. We also intend to investigate block boundary
smoothing, "poor man's variable quantization", and other means of improving
quality-vs-file-size performance without sacrificing compatibility.
In future versions, we are considering supporting some of the upcoming JPEG
Part 3 extensions --- principally, variable quantization and the SPIFF file
format.
As always, speeding things up is of great interest.
Please send bug reports, offers of help, etc. to jpeg-info@uunet.uu.net.
Please send bug reports, offers of help, etc. to jpeg-info@jpegclub.org.

View File

@@ -2,56 +2,104 @@
** Background
*******************************************************************************
libjpeg-turbo is a high-speed version of libjpeg for x86 and x86-64 processors
which uses SIMD instructions (MMX, SSE2, etc.) to accelerate baseline JPEG
compression and decompression. libjpeg-turbo is generally 2-4x as fast
as the unmodified version of libjpeg, all else being equal.
libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64,
and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as
libjpeg, all else being equal. On other types of systems, libjpeg-turbo can
still outperform libjpeg by a significant amount, by virtue of its
highly-optimized Huffman coding routines. In many cases, the performance of
libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.
libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but
the TigerVNC and VirtualGL projects made numerous enhancements to the codec,
including improved support for Mac OS X, 64-bit support, support for 32-bit
and big endian pixel formats, accelerated Huffman encoding/decoding, and
various bug fixes. The goal was to produce a fully open source codec that
could replace the partially closed source TurboJPEG/IPP codec used by VirtualGL
and TurboVNC. libjpeg-turbo generally performs in the range of 80-120% of
TurboJPEG/IPP. It is faster in some areas but slower in others.
libjpeg-turbo implements both the traditional libjpeg API as well as the less
powerful but more straightforward TurboJPEG API. libjpeg-turbo also features
colorspace extensions that allow it to compress from/decompress to 32-bit and
big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java
interface.
It was decided to split libjpeg-turbo into a separate SDK so that other
projects could take advantage of this technology. The libjpeg-turbo shared
libraries can be used as drop-in replacements for libjpeg on most systems.
libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated
derivative of libjpeg v6b developed by Miyasaka Masaru. The TigerVNC and
VirtualGL projects made numerous enhancements to the codec in 2009, and in
early 2010, libjpeg-turbo spun off into an independent project, with the goal
of making high-speed JPEG compression/decompression technology available to a
broader range of users and developers.
*******************************************************************************
** License
*******************************************************************************
Some of the optimizations to the Huffman encoder (jchuff.c) and decoder
(jdhuff.c) were borrowed from VirtualGL, and thus any distribution of
libjpeg-turbo which includes those optimizations must, as a whole, be subject
to the terms of the wxWindows Library Licence, Version 3.1. A copy of this
license can be found in this directory under LICENSE.txt. The wxWindows
Library License is based on the LGPL but includes provisions which allow the
Library to be statically linked into proprietary libraries and applications
without requiring the resulting binaries to be distributed under the terms of
the LGPL.
Most of libjpeg-turbo inherits the non-restrictive, BSD-style license used by
libjpeg (see README.) The TurboJPEG wrapper (both C and Java versions) and
associated test programs bear a similar license, which is reproduced below:
The rest of the source code, apart from the Huffman codec optimizations, falls
under a less restrictive, BSD-style license (see README.) You can choose to
distribute libjpeg-turbo, as a whole, under this BSD-style license by simply
replacing the optimized jchuff.c and jdhuff.c with their unoptimized
counterparts from the libjpeg v6b source.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
- Neither the name of the libjpeg-turbo Project nor the names of its
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
** Using libjpeg-turbo
*******************************************************************************
libjpeg-turbo includes two APIs that can be used to compress and decompress
JPEG images:
TurboJPEG API: This API provides an easy-to-use interface for compressing
and decompressing JPEG images in memory. It also provides some functionality
that would not be straightforward to achieve using the underlying libjpeg
API, such as generating planar YUV images and performing multiple
simultaneous lossless transforms on an image. The Java interface for
libjpeg-turbo is written on top of the TurboJPEG API.
libjpeg API: This is the de facto industry-standard API for compressing and
decompressing JPEG images. It is more difficult to use than the TurboJPEG
API but also more powerful. The libjpeg API implementation in libjpeg-turbo
is both API/ABI-compatible and mathematically compatible with libjpeg v6b.
It can also optionally be configured to be API/ABI-compatible with libjpeg v7
and v8 (see below.)
There is no significant performance advantage to either API when both are used
to perform similar operations.
======================
Installation Directory
======================
This document assumes that libjpeg-turbo will be installed in the default
directory (/opt/libjpeg-turbo on Un*x and Mac systems and
c:\libjpeg-turbo[-gcc][64] on Windows systems. If your installation of
libjpeg-turbo resides in a different directory, then adjust the instructions
accordingly.
=============================
Replacing libjpeg at Run Time
=============================
If a Unix application is dynamically linked with libjpeg, then you can replace
libjpeg with libjpeg-turbo at run time by manipulating the LD_LIBRARY_PATH.
Un*x
----
If a Un*x application is dynamically linked with libjpeg, then you can replace
libjpeg with libjpeg-turbo at run time by manipulating LD_LIBRARY_PATH.
For instance:
[Using libjpeg]
@@ -67,64 +115,51 @@ For instance:
user 0m0.029s
sys 0m0.010s
NOTE: {lib} can be lib, lib32, lib64, or lib/64, depending on the O/S and
architecture.
({lib} = lib32 or lib64, depending on whether you wish to use the 32-bit or the
64-bit version of libjpeg-turbo.)
System administrators can also replace the libjpeg sym links in /usr/{lib} with
links to the libjpeg dynamic library located in /opt/libjpeg-turbo/{lib}. This
will effectively accelerate every dynamically linked libjpeg application on the
system.
System administrators can also replace the libjpeg symlinks in /usr/lib* with
links to the libjpeg-turbo dynamic library located in /opt/libjpeg-turbo/{lib}.
This will effectively accelerate every application that uses the libjpeg
dynamic library on the system.
The Windows distribution of the libjpeg-turbo SDK installs jpeg62.dll into
c:\libjpeg-turbo\bin, and the PATH environment variable can be modified such
that this directory is searched before any others that might contain
jpeg62.dll. However, if jpeg62.dll also exists in an application's install
directory, then Windows will load the application's version of it first. Thus,
if an application ships with jpeg62.dll, then back up the application's version
of jpeg62.dll and copy c:\libjpeg-turbo\bin\jpeg62.dll into the application's
install directory to accelerate it.
Windows
-------
The version of jpeg62.dll distributed in the libjpeg-turbo SDK requires the
Visual C++ 2008 C run time DLL (msvcr90.dll). This library ships with more
recent versions of Windows, but users of older versions can obtain it from the
Visual C++ 2008 Redistributable Package, which is available as a free download
from Microsoft's web site.
If a Windows application is dynamically linked with libjpeg, then you can
replace libjpeg with libjpeg-turbo at run time by backing up the application's
copy of jpeg62.dll, jpeg7.dll, or jpeg8.dll (assuming the application has its
own local copy of this library) and copying the corresponding DLL from
libjpeg-turbo into the application's install directory. The official
libjpeg-turbo binary packages only provide jpeg62.dll. If the application uses
jpeg7.dll or jpeg8.dll instead, then it will be necessary to build
libjpeg-turbo from source (see "libjpeg v7 and v8 API/ABI Emulation" below.)
NOTE: Features of libjpeg which require passing a C run time structure, such
as a file handle, from an application to libjpeg will probably not work with
the distributed version of jpeg62.dll unless the application is also built to
use the Visual C++ 2008 C run time DLL. In particular, this affects
jpeg_stdio_dest() and jpeg_stdio_src().
The following information is specific to the official libjpeg-turbo binary
packages for Visual C++:
Mac applications typically embed their own copies of libjpeg.62.dylib inside
-- jpeg62.dll requires the Visual C++ 2008 C run-time DLL (msvcr90.dll).
msvcr90.dll ships with more recent versions of Windows, but users of older
Windows releases can obtain it from the Visual C++ 2008 Redistributable
Package, which is available as a free download from Microsoft's web site.
-- Features of the libjpeg API that require passing a C run-time structure,
such as a file handle, from an application to the library will probably not
work with jpeg62.dll, unless the application is also built to use the Visual
C++ 2008 C run-time DLL. In particular, this affects jpeg_stdio_dest() and
jpeg_stdio_src().
Mac
---
Mac applications typically embed their own copies of the libjpeg dylib inside
the (hidden) application bundle, so it is not possible to globally replace
libjpeg on OS X systems. If an application uses a shared library version of
libjpeg, then it may be possible to replace the application's version of it.
This would generally involve copying libjpeg.62.dylib into the appropriate
place in the application bundle and using install_name_tool to repoint the
dylib to the new directory. This requires an advanced knowledge of OS X and
would not survive an upgrade or a re-install of the application. Thus, it is
not recommended for most users.
=======================
Replacing TurboJPEG/IPP
=======================
libjpeg-turbo is a drop-in replacement for the TurboJPEG/IPP SDK used by
VirtualGL 2.1.x and TurboVNC 0.6 (and prior.) libjpeg-turbo contains a wrapper
library (TurboJPEG/OSS) that emulates the TurboJPEG API using libjpeg-turbo
instead of the closed source Intel Performance Primitives. You can replace the
TurboJPEG/IPP package on Linux systems with the libjpeg-turbo package in order
to make existing releases of VirtualGL 2.1.x and TurboVNC use the new codec at
run time. Note that the 64-bit libjpeg-turbo packages contain only 64-bit
binaries, whereas the TurboJPEG/IPP 64-bit packages contained both 64-bit and
32-bit binaries. Thus, to replace a TurboJPEG/IPP 64-bit package, install
both the 64-bit and 32-bit versions of libjpeg-turbo.
You can also build the VirtualGL 2.1.x and TurboVNC 0.6 source code with
the libjpeg-turbo SDK instead of TurboJPEG/IPP. It should work identically.
libjpeg-turbo also includes static library versions of TurboJPEG/OSS, which
are used to build TurboVNC 1.0 and later.
libjpeg on OS X systems. Replacing the application's version of the libjpeg
dylib would generally involve copying libjpeg.*.dylib from libjpeg-turbo into
the appropriate place in the application bundle and using install_name_tool to
repoint the libjpeg-turbo dylib to its new directory. This requires an
advanced knowledge of OS X and would not survive an upgrade or a re-install of
the application. Thus, it is not recommended for most users.
========================================
Using libjpeg-turbo in Your Own Programs
@@ -132,8 +167,8 @@ Using libjpeg-turbo in Your Own Programs
For the most part, libjpeg-turbo should work identically to libjpeg, so in
most cases, an application can be built against libjpeg and then run against
libjpeg-turbo. On Unix systems, you can build against libjpeg-turbo instead
of libjpeg by setting
libjpeg-turbo. On Un*x systems and Cygwin, you can build against libjpeg-turbo
instead of libjpeg by setting
CPATH=/opt/libjpeg-turbo/include
and
@@ -142,12 +177,6 @@ of libjpeg by setting
({lib} = lib32 or lib64, depending on whether you are building a 32-bit or a
64-bit application.)
If using Cygwin, then set
CPATH=/cygdrive/c/libjpeg-turbo-gcc[64]/include
and
LIBRARY_PATH=/cygdrive/c/libjpeg-turbo-gcc[64]/lib
If using MinGW, then set
CPATH=/c/libjpeg-turbo-gcc[64]/include
@@ -156,34 +185,34 @@ If using MinGW, then set
Building against libjpeg-turbo is useful, for instance, if you want to build an
application that leverages the libjpeg-turbo colorspace extensions (see below.)
On Linux and Solaris systems, you would still need to manipulate the
LD_LIBRARY_PATH or sym links appropriately to use libjpeg-turbo at run time.
On such systems, you can pass -R /opt/libjpeg-turbo/{lib} to the linker to
force the use of libjpeg-turbo at run time rather than libjpeg (also useful if
you want to leverage the colorspace extensions), or you can link against the
libjpeg-turbo static library.
On Un*x systems, you would still need to manipulate LD_LIBRARY_PATH or create
appropriate symlinks to use libjpeg-turbo at run time. On such systems, you
can pass -R /opt/libjpeg-turbo/{lib} to the linker to force the use of
libjpeg-turbo at run time rather than libjpeg (also useful if you want to
leverage the colorspace extensions), or you can link against the libjpeg-turbo
static library.
To force a Linux, Solaris, or MinGW application to link against the static
version of libjpeg-turbo, you can use the following linker options:
To force a Un*x or MinGW application to link against the static version of
libjpeg-turbo, you can use the following linker options:
-Wl,-Bstatic -ljpeg -Wl,-Bdynamic
On OS X, simply add /opt/libjpeg-turbo/lib/libjpeg.a to the linker command
line (this also works on Linux and Solaris.)
line.
To build Visual C++ applications using libjpeg-turbo, add
c:\libjpeg-turbo[64]\include to your system or user INCLUDE environment
variable and c:\libjpeg-turbo[64]\lib to your system or user LIB environment
variable, and then link against either jpeg.lib (to use jpeg62.dll) or
jpeg-static.lib (to use the static version of libjpeg-turbo.)
c:\libjpeg-turbo[64]\include to the system or user INCLUDE environment
variable and c:\libjpeg-turbo[64]\lib to the system or user LIB environment
variable, and then link against either jpeg.lib (to use the DLL version of
libjpeg-turbo) or jpeg-static.lib (to use the static version of libjpeg-turbo.)
=====================
Colorspace Extensions
=====================
libjpeg-turbo includes extensions which allow JPEG images to be compressed
directly from (and decompressed directly to) buffers which use BGR, BGRA,
RGBA, ABGR, and ARGB pixel ordering. This is implemented with six new
libjpeg-turbo includes extensions that allow JPEG images to be compressed
directly from (and decompressed directly to) buffers that use BGR, BGRX,
RGBX, XBGR, and XRGB pixel ordering. This is implemented with ten new
colorspace constants:
JCS_EXT_RGB /* red/green/blue */
@@ -192,16 +221,255 @@ colorspace constants:
JCS_EXT_BGRX /* blue/green/red/x */
JCS_EXT_XBGR /* x/blue/green/red */
JCS_EXT_XRGB /* x/red/green/blue */
JCS_EXT_RGBA /* red/green/blue/alpha */
JCS_EXT_BGRA /* blue/green/red/alpha */
JCS_EXT_ABGR /* alpha/blue/green/red */
JCS_EXT_ARGB /* alpha/red/green/blue */
Setting cinfo.in_color_space (compression) or cinfo.out_color_space
(decompression) to one of these values will cause libjpeg-turbo to read the
red, green, and blue values from (or write them to) the appropriate position in
the pixel when YUV conversion is performed.
the pixel when compressing from/decompressing to an RGB buffer.
Your application can check for the existence of these extensions at compile
time with:
#ifdef JCS_EXTENSIONS
At run time, attempting to use these extensions with a version of libjpeg
that doesn't support them will result in a "Bogus input colorspace" error.
At run time, attempting to use these extensions with a libjpeg implementation
that does not support them will result in a "Bogus input colorspace" error.
Applications can trap this error in order to test whether run-time support is
available for the colorspace extensions.
When using the RGBX, BGRX, XBGR, and XRGB colorspaces during decompression, the
X byte is undefined, and in order to ensure the best performance, libjpeg-turbo
can set that byte to whatever value it wishes. If an application expects the X
byte to be used as an alpha channel, then it should specify JCS_EXT_RGBA,
JCS_EXT_BGRA, JCS_EXT_ABGR, or JCS_EXT_ARGB. When these colorspace constants
are used, the X byte is guaranteed to be 0xFF, which is interpreted as opaque.
Your application can check for the existence of the alpha channel colorspace
extensions at compile time with:
#ifdef JCS_ALPHA_EXTENSIONS
jcstest.c, located in the libjpeg-turbo source tree, demonstrates how to check
for the existence of the colorspace extensions at compile time and run time.
===================================
libjpeg v7 and v8 API/ABI Emulation
===================================
With libjpeg v7 and v8, new features were added that necessitated extending the
compression and decompression structures. Unfortunately, due to the exposed
nature of those structures, extending them also necessitated breaking backward
ABI compatibility with previous libjpeg releases. Thus, programs that were
built to use libjpeg v7 or v8 did not work with libjpeg-turbo, since it is
based on the libjpeg v6b code base. Although libjpeg v7 and v8 are still not
as widely used as v6b, enough programs (including a few Linux distros) made
the switch that there was a demand to emulate the libjpeg v7 and v8 ABIs
in libjpeg-turbo. It should be noted, however, that this feature was added
primarily so that applications that had already been compiled to use libjpeg
v7+ could take advantage of accelerated baseline JPEG encoding/decoding
without recompiling. libjpeg-turbo does not claim to support all of the
libjpeg v7+ features, nor to produce identical output to libjpeg v7+ in all
cases (see below.)
By passing an argument of --with-jpeg7 or --with-jpeg8 to configure, or an
argument of -DWITH_JPEG7=1 or -DWITH_JPEG8=1 to cmake, you can build a version
of libjpeg-turbo that emulates the libjpeg v7 or v8 ABI, so that programs
that are built against libjpeg v7 or v8 can be run with libjpeg-turbo. The
following section describes which libjpeg v7+ features are supported and which
aren't.
Support for libjpeg v7 and v8 Features:
---------------------------------------
Fully supported:
-- libjpeg: IDCT scaling extensions in decompressor
libjpeg-turbo supports IDCT scaling with scaling factors of 1/8, 1/4, 3/8,
1/2, 5/8, 3/4, 7/8, 9/8, 5/4, 11/8, 3/2, 13/8, 7/4, 15/8, and 2/1 (only 1/4
and 1/2 are SIMD-accelerated.)
-- libjpeg: arithmetic coding
-- libjpeg: In-memory source and destination managers
See notes below.
-- cjpeg: Separate quality settings for luminance and chrominance
Note that the libpjeg v7+ API was extended to accommodate this feature only
for convenience purposes. It has always been possible to implement this
feature with libjpeg v6b (see rdswitch.c for an example.)
-- cjpeg: 32-bit BMP support
-- cjpeg: -rgb option
-- jpegtran: lossless cropping
-- jpegtran: -perfect option
-- jpegtran: forcing width/height when performing lossless crop
-- rdjpgcom: -raw option
-- rdjpgcom: locale awareness
Not supported:
NOTE: As of this writing, extensive research has been conducted into the
usefulness of DCT scaling as a means of data reduction and SmartScale as a
means of quality improvement. The reader is invited to peruse the research at
http://www.libjpeg-turbo.org/About/SmartScale and draw his/her own conclusions,
but it is the general belief of our project that these features have not
demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.
-- libjpeg: DCT scaling in compressor
cinfo.scale_num and cinfo.scale_denom are silently ignored.
There is no technical reason why DCT scaling could not be supported when
emulating the libjpeg v7+ API/ABI, but without the SmartScale extension (see
below), only scaling factors of 1/2, 8/15, 4/7, 8/13, 2/3, 8/11, 4/5, and
8/9 would be available, which is of limited usefulness.
-- libjpeg: SmartScale
cinfo.block_size is silently ignored.
SmartScale is an extension to the JPEG format that allows for DCT block
sizes other than 8x8. Providing support for this new format would be
feasible (particularly without full acceleration.) However, until/unless
the format becomes either an official industry standard or, at minimum, an
accepted solution in the community, we are hesitant to implement it, as
there is no sense of whether or how it might change in the future. It is
our belief that SmartScale has not demonstrated sufficient usefulness as a
lossless format nor as a means of quality enhancement, and thus, our primary
interest in providing this feature would be as a means of supporting
additional DCT scaling factors.
-- libjpeg: Fancy downsampling in compressor
cinfo.do_fancy_downsampling is silently ignored.
This requires the DCT scaling feature, which is not supported.
-- jpegtran: Scaling
This requires both the DCT scaling and SmartScale features, which are not
supported.
-- Lossless RGB JPEG files
This requires the SmartScale feature, which is not supported.
What About libjpeg v9?
----------------------
libjpeg v9 introduced yet another field to the JPEG compression structure
(color_transform), thus making the ABI backward incompatible with that of
libjpeg v8. This new field was introduced solely for the purpose of supporting
lossless SmartScale encoding. Further, there was actually no reason to extend
the API in this manner, as the color transform could have just as easily been
activated by way of a new JPEG colorspace constant, thus preserving backward
ABI compatibility.
Our research (see link above) has shown that lossless SmartScale does not
generally accomplish anything that can't already be accomplished better with
existing, standard lossless formats. Thus, at this time, it is our belief that
there is not sufficient technical justification for software to upgrade from
libjpeg v8 to libjpeg v9, and therefore, not sufficient technical justification
for us to emulate the libjpeg v9 ABI.
=====================================
In-Memory Source/Destination Managers
=====================================
By default, libjpeg-turbo 1.3 and later includes the jpeg_mem_src() and
jpeg_mem_dest() functions, even when not emulating the libjpeg v8 API/ABI.
Previously, it was necessary to build libjpeg-turbo from source with libjpeg v8
API/ABI emulation in order to use the in-memory source/destination managers,
but several projects requested that those functions be included when emulating
the libjpeg v6b API/ABI as well. This allows the use of those functions by
programs that need them without breaking ABI compatibility for programs that
don't, and it allows those functions to be provided in the "official"
libjpeg-turbo binaries.
Those who are concerned about maintaining strict conformance with the libjpeg
v6b or v7 API can pass an argument of --without-mem-srcdst to configure or
an argument of -DWITH_MEM_SRCDST=0 to CMake prior to building libjpeg-turbo.
This will restore the pre-1.3 behavior, in which jpeg_mem_src() and
jpeg_mem_dest() are only included when emulating the libjpeg v8 API/ABI.
On Un*x systems, including the in-memory source/destination managers changes
the dynamic library version from 62.0.0 to 62.1.0 if using libjpeg v6b API/ABI
emulation and from 7.0.0 to 7.1.0 if using libjpeg v7 API/ABI emulation.
Note that, on most Un*x systems, the dynamic linker will not look for a
function in a library until that function is actually used. Thus, if a program
is built against libjpeg-turbo 1.3+ and uses jpeg_mem_src() or jpeg_mem_dest(),
that program will not fail if run against an older version of libjpeg-turbo or
against libjpeg v7- until the program actually tries to call jpeg_mem_src() or
jpeg_mem_dest(). Such is not the case on Windows. If a program is built
against the libjpeg-turbo 1.3+ DLL and uses jpeg_mem_src() or jpeg_mem_dest(),
then it must use the libjpeg-turbo 1.3+ DLL at run time.
Both cjpeg and djpeg have been extended to allow testing the in-memory
source/destination manager functions. See their respective man pages for more
details.
*******************************************************************************
** Mathematical Compatibility
*******************************************************************************
For the most part, libjpeg-turbo should produce identical output to libjpeg
v6b. The one exception to this is when using the floating point DCT/IDCT, in
which case the outputs of libjpeg v6b and libjpeg-turbo are not guaranteed to
be identical (the accuracy of the floating point DCT/IDCT is constant when
using libjpeg-turbo's SIMD extensions, but otherwise, it can depend heavily on
the compiler and compiler settings.)
While libjpeg-turbo does emulate the libjpeg v8 API/ABI, under the hood, it is
still using the same algorithms as libjpeg v6b, so there are several specific
cases in which libjpeg-turbo cannot be expected to produce the same output as
libjpeg v8:
-- When decompressing using scaling factors of 1/2 and 1/4, because libjpeg v8
implements those scaling algorithms a bit differently than libjpeg v6b does,
and libjpeg-turbo's SIMD extensions are based on the libjpeg v6b behavior.
-- When using chrominance subsampling, because libjpeg v8 implements this
with its DCT/IDCT scaling algorithms rather than with a separate
downsampling/upsampling algorithm.
-- When using the floating point IDCT, for the reasons stated above and also
because the floating point IDCT algorithm was modified in libjpeg v8a to
improve accuracy.
-- When decompressing using a scaling factor > 1 and merged (AKA "non-fancy" or
"non-smooth") chrominance upsampling, because libjpeg v8 does not support
merged upsampling with scaling factors > 1.
*******************************************************************************
** Performance Pitfalls
*******************************************************************************
===============
Restart Markers
===============
The optimized Huffman decoder in libjpeg-turbo does not handle restart markers
in a way that makes the rest of the libjpeg infrastructure happy, so it is
necessary to use the slow Huffman decoder when decompressing a JPEG image that
has restart markers. This can cause the decompression performance to drop by
as much as 20%, but the performance will still be much greater than that of
libjpeg. Many consumer packages, such as PhotoShop, use restart markers when
generating JPEG images, so images generated by those programs will experience
this issue.
===============================================
Fast Integer Forward DCT at High Quality Levels
===============================================
The algorithm used by the SIMD-accelerated quantization function cannot produce
correct results whenever the fast integer forward DCT is used along with a JPEG
quality of 98-100. Thus, libjpeg-turbo must use the non-SIMD quantization
function in those cases. This causes performance to drop by as much as 40%.
It is therefore strongly advised that you use the slow integer forward DCT
whenever encoding images with a JPEG quality of 98 or higher.

View File

@@ -3,7 +3,7 @@
# Check that NASM exists and determine flags
AC_DEFUN([AC_PROG_NASM],[
AC_CHECK_PROGS(NASM, [nasm nasmw])
AC_CHECK_PROGS(NASM, [nasm nasmw yasm])
test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found])
AC_MSG_CHECKING([for object file format of host system])
@@ -134,3 +134,49 @@ else
fi
])
# AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE
# --------------------------
# Test whether the assembler is suitable and supports NEON instructions
AC_DEFUN([AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE],[
ac_good_gnu_arm_assembler=no
ac_save_CC="$CC"
ac_save_CFLAGS="$CFLAGS"
CFLAGS="$CCASFLAGS -x assembler-with-cpp"
CC="$CCAS"
AC_COMPILE_IFELSE([[
.text
.fpu neon
.arch armv7a
.object_arch armv4
.arm
pld [r0]
vmovn.u16 d0, q0]], ac_good_gnu_arm_assembler=yes)
ac_use_gas_preprocessor=no
if test "x$ac_good_gnu_arm_assembler" = "xno" ; then
CC="gas-preprocessor.pl $CCAS"
AC_COMPILE_IFELSE([[
.text
.fpu neon
.arch armv7a
.object_arch armv4
.arm
pld [r0]
vmovn.u16 d0, q0]], ac_use_gas_preprocessor=yes)
fi
CFLAGS="$ac_save_CFLAGS"
CC="$ac_save_CC"
if test "x$ac_use_gas_preprocessor" = "xyes" ; then
CCAS="gas-preprocessor.pl $CCAS"
AC_SUBST([CCAS])
ac_good_gnu_arm_assembler=yes
fi
if test "x$ac_good_gnu_arm_assembler" = "xyes" ; then
$1
else
$2
fi
])

520
bmp.c
View File

@@ -1,370 +1,274 @@
/* Copyright (C)2004 Landmark Graphics Corporation
* Copyright (C)2005 Sun Microsystems, Inc.
/*
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
*
* This library is free software and may be redistributed and/or modified under
* the terms of the wxWindows Library License, Version 3.1 or (at your option)
* any later version. The full license is in the LICENSE.txt file included
* with this distribution.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* wxWindows Library License for more details.
*/
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#include "./rrutil.h"
#include "./bmp.h"
#include <setjmp.h>
#include <errno.h>
#include "cdjpeg.h"
#include <jpeglib.h>
#include <jpegint.h>
#include "tjutil.h"
#include "bmp.h"
#ifndef BI_BITFIELDS
#define BI_BITFIELDS 3L
#endif
#ifndef BI_RGB
#define BI_RGB 0L
#endif
#define BMPHDRSIZE 54
typedef struct _bmphdr
/* This duplicates the functionality of the VirtualGL bitmap library using
the components from cjpeg and djpeg */
/* Error handling (based on example in example.c) */
static char errStr[JMSG_LENGTH_MAX]="No error";
struct my_error_mgr
{
unsigned short bfType;
unsigned int bfSize;
unsigned short bfReserved1, bfReserved2;
unsigned int bfOffBits;
struct jpeg_error_mgr pub;
jmp_buf setjmp_buffer;
};
typedef struct my_error_mgr *my_error_ptr;
unsigned int biSize;
int biWidth, biHeight;
unsigned short biPlanes, biBitCount;
unsigned int biCompression, biSizeImage;
int biXPelsPerMeter, biYPelsPerMeter;
unsigned int biClrUsed, biClrImportant;
} bmphdr;
static const char *__bmperr="No error";
static const int ps[BMPPIXELFORMATS]={3, 4, 3, 4, 4, 4};
static const int roffset[BMPPIXELFORMATS]={0, 0, 2, 2, 3, 1};
static const int goffset[BMPPIXELFORMATS]={1, 1, 1, 1, 2, 2};
static const int boffset[BMPPIXELFORMATS]={2, 2, 0, 0, 1, 3};
#define _throw(m) {__bmperr=m; retcode=-1; goto finally;}
#define _unix(f) {if((f)==-1) _throw(strerror(errno));}
#define _catch(f) {if((f)==-1) {retcode=-1; goto finally;}}
#define readme(fd, addr, size) \
if((bytesread=read(fd, addr, (size)))==-1) _throw(strerror(errno)); \
if(bytesread!=(size)) _throw("Read error");
void pixelconvert(unsigned char *srcbuf, enum BMPPIXELFORMAT srcformat,
int srcpitch, unsigned char *dstbuf, enum BMPPIXELFORMAT dstformat, int dstpitch,
int w, int h, int flip)
static void my_error_exit(j_common_ptr cinfo)
{
unsigned char *srcptr, *srcptr0, *dstptr, *dstptr0;
int i, j;
srcptr=flip? &srcbuf[srcpitch*(h-1)]:srcbuf;
for(j=0, dstptr=dstbuf; j<h; j++,
srcptr+=flip? -srcpitch:srcpitch, dstptr+=dstpitch)
{
for(i=0, srcptr0=srcptr, dstptr0=dstptr; i<w; i++,
srcptr0+=ps[srcformat], dstptr0+=ps[dstformat])
{
dstptr0[roffset[dstformat]]=srcptr0[roffset[srcformat]];
dstptr0[goffset[dstformat]]=srcptr0[goffset[srcformat]];
dstptr0[boffset[dstformat]]=srcptr0[boffset[srcformat]];
}
}
my_error_ptr myerr=(my_error_ptr)cinfo->err;
(*cinfo->err->output_message)(cinfo);
longjmp(myerr->setjmp_buffer, 1);
}
int loadppm(int *fd, unsigned char **buf, int *w, int *h,
enum BMPPIXELFORMAT f, int align, int dstbottomup, int ascii)
/* Based on output_message() in jerror.c */
static void my_output_message(j_common_ptr cinfo)
{
FILE *fs=NULL; int retcode=0, scalefactor, dstpitch;
unsigned char *tempbuf=NULL; char temps[255], temps2[255];
int numread=0, totalread=0, pixel[3], i, j;
(*cinfo->err->format_message)(cinfo, errStr);
}
if((fs=fdopen(*fd, "r"))==NULL) _throw(strerror(errno));
#define _throw(m) {snprintf(errStr, JMSG_LENGTH_MAX, "%s", m); \
retval=-1; goto bailout;}
#define _throwunix(m) {snprintf(errStr, JMSG_LENGTH_MAX, "%s\n%s", m, \
strerror(errno)); retval=-1; goto bailout;}
do
static void pixelconvert(unsigned char *srcbuf, int srcpf, int srcbottomup,
unsigned char *dstbuf, int dstpf, int dstbottomup, int w, int h)
{
unsigned char *srcptr=srcbuf, *srcptr2;
int srcps=tjPixelSize[srcpf];
int srcstride=srcbottomup? -w*srcps:w*srcps;
unsigned char *dstptr=dstbuf, *dstptr2;
int dstps=tjPixelSize[dstpf];
int dststride=dstbottomup? -w*dstps:w*dstps;
int row, col;
if(srcbottomup) srcptr=&srcbuf[w*srcps*(h-1)];
if(dstbottomup) dstptr=&dstbuf[w*dstps*(h-1)];
for(row=0; row<h; row++, srcptr+=srcstride, dstptr+=dststride)
{
if(!fgets(temps, 255, fs)) _throw("Read error");
if(strlen(temps)==0 || temps[0]=='\n') continue;
if(sscanf(temps, "%s", temps2)==1 && temps2[1]=='#') continue;
switch(totalread)
for(col=0, srcptr2=srcptr, dstptr2=dstptr; col<w; col++, srcptr2+=srcps,
dstptr2+=dstps)
{
case 0:
if((numread=sscanf(temps, "%d %d %d", w, h, &scalefactor))==EOF)
_throw("Read error");
break;
case 1:
if((numread=sscanf(temps, "%d %d", h, &scalefactor))==EOF)
_throw("Read error");
break;
case 2:
if((numread=sscanf(temps, "%d", &scalefactor))==EOF)
_throw("Read error");
break;
}
totalread+=numread;
} while(totalread<3);
if((*w)<1 || (*h)<1 || scalefactor<1) _throw("Corrupt PPM header");
dstpitch=(((*w)*ps[f])+(align-1))&(~(align-1));
if((*buf=(unsigned char *)malloc(dstpitch*(*h)))==NULL)
_throw("Memory allocation error");
if(ascii)
{
for(j=0; j<*h; j++)
{
for(i=0; i<*w; i++)
{
if(fscanf(fs, "%d%d%d", &pixel[0], &pixel[1], &pixel[2])!=3)
_throw("Read error");
(*buf)[j*dstpitch+i*ps[f]+roffset[f]]=(unsigned char)(pixel[0]*255/scalefactor);
(*buf)[j*dstpitch+i*ps[f]+goffset[f]]=(unsigned char)(pixel[1]*255/scalefactor);
(*buf)[j*dstpitch+i*ps[f]+boffset[f]]=(unsigned char)(pixel[2]*255/scalefactor);
}
dstptr2[tjRedOffset[dstpf]]=srcptr2[tjRedOffset[srcpf]];
dstptr2[tjGreenOffset[dstpf]]=srcptr2[tjGreenOffset[srcpf]];
dstptr2[tjBlueOffset[dstpf]]=srcptr2[tjBlueOffset[srcpf]];
}
}
else
{
if(scalefactor!=255)
_throw("Binary PPMs must have 8-bit components");
if((tempbuf=(unsigned char *)malloc((*w)*(*h)*3))==NULL)
_throw("Memory allocation error");
if(fread(tempbuf, (*w)*(*h)*3, 1, fs)!=1) _throw("Read error");
pixelconvert(tempbuf, BMP_RGB, (*w)*3, *buf, f, dstpitch, *w, *h, dstbottomup);
}
finally:
if(fs) {fclose(fs); *fd=-1;}
if(tempbuf) free(tempbuf);
return retcode;
}
int loadbmp(char *filename, unsigned char **buf, int *w, int *h,
enum BMPPIXELFORMAT f, int align, int dstbottomup)
int dstpf, int bottomup)
{
int fd=-1, bytesread, srcpitch, srcbottomup=1, srcps, dstpitch,
retcode=0;
unsigned char *tempbuf=NULL;
bmphdr bh; int flags=O_RDONLY;
int retval=0, dstps, srcpf, tempc;
struct jpeg_compress_struct cinfo;
struct my_error_mgr jerr;
cjpeg_source_ptr src;
FILE *file=NULL;
dstbottomup=dstbottomup? 1:0;
#ifdef _WIN32
flags|=O_BINARY;
#endif
if(!filename || !buf || !w || !h || f<0 || f>BMPPIXELFORMATS-1 || align<1)
_throw("invalid argument to loadbmp()");
if((align&(align-1))!=0)
_throw("Alignment must be a power of 2");
_unix(fd=open(filename, flags));
memset(&cinfo, 0, sizeof(struct jpeg_compress_struct));
readme(fd, &bh.bfType, sizeof(unsigned short));
if(!littleendian()) bh.bfType=byteswap16(bh.bfType);
if(!filename || !buf || !w || !h || dstpf<0 || dstpf>=TJ_NUMPF)
_throw("loadbmp(): Invalid argument");
if(bh.bfType==0x3650)
if((file=fopen(filename, "rb"))==NULL)
_throwunix("loadbmp(): Cannot open input file");
cinfo.err=jpeg_std_error(&jerr.pub);
jerr.pub.error_exit=my_error_exit;
jerr.pub.output_message=my_output_message;
if(setjmp(jerr.setjmp_buffer))
{
_catch(loadppm(&fd, buf, w, h, f, align, dstbottomup, 0));
goto finally;
}
if(bh.bfType==0x3350)
{
_catch(loadppm(&fd, buf, w, h, f, align, dstbottomup, 1));
goto finally;
/* If we get here, the JPEG code has signaled an error. */
retval=-1; goto bailout;
}
readme(fd, &bh.bfSize, sizeof(unsigned int));
readme(fd, &bh.bfReserved1, sizeof(unsigned short));
readme(fd, &bh.bfReserved2, sizeof(unsigned short));
readme(fd, &bh.bfOffBits, sizeof(unsigned int));
readme(fd, &bh.biSize, sizeof(unsigned int));
readme(fd, &bh.biWidth, sizeof(int));
readme(fd, &bh.biHeight, sizeof(int));
readme(fd, &bh.biPlanes, sizeof(unsigned short));
readme(fd, &bh.biBitCount, sizeof(unsigned short));
readme(fd, &bh.biCompression, sizeof(unsigned int));
readme(fd, &bh.biSizeImage, sizeof(unsigned int));
readme(fd, &bh.biXPelsPerMeter, sizeof(int));
readme(fd, &bh.biYPelsPerMeter, sizeof(int));
readme(fd, &bh.biClrUsed, sizeof(unsigned int));
readme(fd, &bh.biClrImportant, sizeof(unsigned int));
jpeg_create_compress(&cinfo);
if((tempc=getc(file))<0 || ungetc(tempc, file)==EOF)
_throwunix("loadbmp(): Could not read input file")
else if(tempc==EOF) _throw("loadbmp(): Input file contains no data");
if(!littleendian())
if(tempc=='B')
{
bh.bfSize=byteswap(bh.bfSize);
bh.bfOffBits=byteswap(bh.bfOffBits);
bh.biSize=byteswap(bh.biSize);
bh.biWidth=byteswap(bh.biWidth);
bh.biHeight=byteswap(bh.biHeight);
bh.biPlanes=byteswap16(bh.biPlanes);
bh.biBitCount=byteswap16(bh.biBitCount);
bh.biCompression=byteswap(bh.biCompression);
bh.biSizeImage=byteswap(bh.biSizeImage);
bh.biXPelsPerMeter=byteswap(bh.biXPelsPerMeter);
bh.biYPelsPerMeter=byteswap(bh.biYPelsPerMeter);
bh.biClrUsed=byteswap(bh.biClrUsed);
bh.biClrImportant=byteswap(bh.biClrImportant);
if((src=jinit_read_bmp(&cinfo))==NULL)
_throw("loadbmp(): Could not initialize bitmap loader");
}
else if(tempc=='P')
{
if((src=jinit_read_ppm(&cinfo))==NULL)
_throw("loadbmp(): Could not initialize bitmap loader");
}
else _throw("loadbmp(): Unsupported file type");
if(bh.bfType!=0x4d42 || bh.bfOffBits<BMPHDRSIZE
|| bh.biWidth<1 || bh.biHeight==0)
_throw("Corrupt bitmap header");
if((bh.biBitCount!=24 && bh.biBitCount!=32) || bh.biCompression!=BI_RGB)
_throw("Only uncompessed RGB bitmaps are supported");
src->input_file=file;
(*src->start_input)(&cinfo, src);
(*cinfo.mem->realize_virt_arrays)((j_common_ptr)&cinfo);
*w=bh.biWidth; *h=bh.biHeight; srcps=bh.biBitCount/8;
if(*h<0) {*h=-(*h); srcbottomup=0;}
srcpitch=(((*w)*srcps)+3)&(~3);
dstpitch=(((*w)*ps[f])+(align-1))&(~(align-1));
*w=cinfo.image_width; *h=cinfo.image_height;
if(srcpitch*(*h)+bh.bfOffBits!=bh.bfSize) _throw("Corrupt bitmap header");
if((tempbuf=(unsigned char *)malloc(srcpitch*(*h)))==NULL
|| (*buf=(unsigned char *)malloc(dstpitch*(*h)))==NULL)
_throw("Memory allocation error");
if(lseek(fd, (long)bh.bfOffBits, SEEK_SET)!=(long)bh.bfOffBits)
_throw(strerror(errno));
_unix(bytesread=read(fd, tempbuf, srcpitch*(*h)));
if(bytesread!=srcpitch*(*h)) _throw("Read error");
if(cinfo.input_components==1 && cinfo.in_color_space==JCS_RGB)
srcpf=TJPF_GRAY;
else srcpf=TJPF_RGB;
pixelconvert(tempbuf, BMP_BGR, srcpitch, *buf, f, dstpitch, *w, *h,
srcbottomup!=dstbottomup);
dstps=tjPixelSize[dstpf];
if((*buf=(unsigned char *)malloc((*w)*(*h)*dstps))==NULL)
_throw("loadbmp(): Memory allocation failure");
finally:
if(tempbuf) free(tempbuf);
if(fd!=-1) close(fd);
return retcode;
while(cinfo.next_scanline<cinfo.image_height)
{
int i, nlines=(*src->get_pixel_rows)(&cinfo, src);
for(i=0; i<nlines; i++)
{
unsigned char *outbuf; int row;
row=cinfo.next_scanline+i;
if(bottomup) outbuf=&(*buf)[((*h)-row-1)*(*w)*dstps];
else outbuf=&(*buf)[row*(*w)*dstps];
pixelconvert(src->buffer[i], srcpf, 0, outbuf, dstpf, bottomup, *w,
nlines);
}
cinfo.next_scanline+=nlines;
}
(*src->finish_input)(&cinfo, src);
bailout:
jpeg_destroy_compress(&cinfo);
if(file) fclose(file);
if(retval<0 && buf && *buf) {free(*buf); *buf=NULL;}
return retval;
}
#define writeme(fd, addr, size) \
if((byteswritten=write(fd, addr, (size)))==-1) _throw(strerror(errno)); \
if(byteswritten!=(size)) _throw("Write error");
int saveppm(char *filename, unsigned char *buf, int w, int h,
enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup)
int savebmp(char *filename, unsigned char *buf, int w, int h, int srcpf,
int bottomup)
{
FILE *fs=NULL; int retcode=0;
unsigned char *tempbuf=NULL;
int retval=0, srcps, dstpf;
struct jpeg_decompress_struct dinfo;
struct my_error_mgr jerr;
djpeg_dest_ptr dst;
FILE *file=NULL;
char *ptr=NULL;
if((fs=fopen(filename, "wb"))==NULL) _throw(strerror(errno));
if(fprintf(fs, "P6\n")<1) _throw("Write error");
if(fprintf(fs, "%d %d\n", w, h)<1) _throw("Write error");
if(fprintf(fs, "255\n")<1) _throw("Write error");
memset(&dinfo, 0, sizeof(struct jpeg_decompress_struct));
if((tempbuf=(unsigned char *)malloc(w*h*3))==NULL)
_throw("Memory allocation error");
if(!filename || !buf || w<1 || h<1 || srcpf<0 || srcpf>=TJ_NUMPF)
_throw("savebmp(): Invalid argument");
pixelconvert(buf, f, srcpitch, tempbuf, BMP_RGB, w*3, w, h,
srcbottomup);
if((file=fopen(filename, "wb"))==NULL)
_throwunix("savebmp(): Cannot open output file");
if((fwrite(tempbuf, w*h*3, 1, fs))!=1) _throw("Write error");
dinfo.err=jpeg_std_error(&jerr.pub);
jerr.pub.error_exit=my_error_exit;
jerr.pub.output_message=my_output_message;
finally:
if(tempbuf) free(tempbuf);
if(fs) fclose(fs);
return retcode;
}
int savebmp(char *filename, unsigned char *buf, int w, int h,
enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup)
{
int fd=-1, byteswritten, dstpitch, retcode=0;
int flags=O_RDWR|O_CREAT|O_TRUNC;
unsigned char *tempbuf=NULL; char *temp;
bmphdr bh; int mode;
#ifdef _WIN32
flags|=O_BINARY; mode=_S_IREAD|_S_IWRITE;
#else
mode=S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
#endif
if(!filename || !buf || w<1 || h<1 || f<0 || f>BMPPIXELFORMATS-1 || srcpitch<0)
_throw("bad argument to savebmp()");
if(srcpitch==0) srcpitch=w*ps[f];
if((temp=strrchr(filename, '.'))!=NULL)
if(setjmp(jerr.setjmp_buffer))
{
if(!stricmp(temp, ".ppm"))
return saveppm(filename, buf, w, h, f, srcpitch, srcbottomup);
/* If we get here, the JPEG code has signaled an error. */
retval=-1; goto bailout;
}
_unix(fd=open(filename, flags, mode));
dstpitch=((w*3)+3)&(~3);
bh.bfType=0x4d42;
bh.bfSize=BMPHDRSIZE+dstpitch*h;
bh.bfReserved1=0; bh.bfReserved2=0;
bh.bfOffBits=BMPHDRSIZE;
bh.biSize=40;
bh.biWidth=w; bh.biHeight=h;
bh.biPlanes=0; bh.biBitCount=24;
bh.biCompression=BI_RGB; bh.biSizeImage=0;
bh.biXPelsPerMeter=0; bh.biYPelsPerMeter=0;
bh.biClrUsed=0; bh.biClrImportant=0;
if(!littleendian())
jpeg_create_decompress(&dinfo);
if(srcpf==TJPF_GRAY)
{
bh.bfType=byteswap16(bh.bfType);
bh.bfSize=byteswap(bh.bfSize);
bh.bfOffBits=byteswap(bh.bfOffBits);
bh.biSize=byteswap(bh.biSize);
bh.biWidth=byteswap(bh.biWidth);
bh.biHeight=byteswap(bh.biHeight);
bh.biPlanes=byteswap16(bh.biPlanes);
bh.biBitCount=byteswap16(bh.biBitCount);
bh.biCompression=byteswap(bh.biCompression);
bh.biSizeImage=byteswap(bh.biSizeImage);
bh.biXPelsPerMeter=byteswap(bh.biXPelsPerMeter);
bh.biYPelsPerMeter=byteswap(bh.biYPelsPerMeter);
bh.biClrUsed=byteswap(bh.biClrUsed);
bh.biClrImportant=byteswap(bh.biClrImportant);
dinfo.out_color_components=dinfo.output_components=1;
dinfo.out_color_space=JCS_GRAYSCALE;
}
else
{
dinfo.out_color_components=dinfo.output_components=3;
dinfo.out_color_space=JCS_RGB;
}
dinfo.image_width=w; dinfo.image_height=h;
dinfo.global_state=DSTATE_READY;
dinfo.scale_num=dinfo.scale_denom=1;
ptr=strrchr(filename, '.');
if(ptr && !strcasecmp(ptr, ".bmp"))
{
if((dst=jinit_write_bmp(&dinfo, 0))==NULL)
_throw("savebmp(): Could not initialize bitmap writer");
}
else
{
if((dst=jinit_write_ppm(&dinfo))==NULL)
_throw("savebmp(): Could not initialize PPM writer");
}
writeme(fd, &bh.bfType, sizeof(unsigned short));
writeme(fd, &bh.bfSize, sizeof(unsigned int));
writeme(fd, &bh.bfReserved1, sizeof(unsigned short));
writeme(fd, &bh.bfReserved2, sizeof(unsigned short));
writeme(fd, &bh.bfOffBits, sizeof(unsigned int));
writeme(fd, &bh.biSize, sizeof(unsigned int));
writeme(fd, &bh.biWidth, sizeof(int));
writeme(fd, &bh.biHeight, sizeof(int));
writeme(fd, &bh.biPlanes, sizeof(unsigned short));
writeme(fd, &bh.biBitCount, sizeof(unsigned short));
writeme(fd, &bh.biCompression, sizeof(unsigned int));
writeme(fd, &bh.biSizeImage, sizeof(unsigned int));
writeme(fd, &bh.biXPelsPerMeter, sizeof(int));
writeme(fd, &bh.biYPelsPerMeter, sizeof(int));
writeme(fd, &bh.biClrUsed, sizeof(unsigned int));
writeme(fd, &bh.biClrImportant, sizeof(unsigned int));
dst->output_file=file;
(*dst->start_output)(&dinfo, dst);
(*dinfo.mem->realize_virt_arrays)((j_common_ptr)&dinfo);
if((tempbuf=(unsigned char *)malloc(dstpitch*h))==NULL)
_throw("Memory allocation error");
if(srcpf==TJPF_GRAY) dstpf=srcpf;
else dstpf=TJPF_RGB;
srcps=tjPixelSize[srcpf];
pixelconvert(buf, f, srcpitch, tempbuf, BMP_BGR, dstpitch, w, h,
!srcbottomup);
while(dinfo.output_scanline<dinfo.output_height)
{
int i, nlines=dst->buffer_height;
for(i=0; i<nlines; i++)
{
unsigned char *inbuf; int row;
row=dinfo.output_scanline+i;
if(bottomup) inbuf=&buf[(h-row-1)*w*srcps];
else inbuf=&buf[row*w*srcps];
pixelconvert(inbuf, srcpf, bottomup, dst->buffer[i], dstpf, 0, w,
nlines);
}
(*dst->put_pixel_rows)(&dinfo, dst, nlines);
dinfo.output_scanline+=nlines;
}
if((byteswritten=write(fd, tempbuf, dstpitch*h))!=dstpitch*h)
_throw(strerror(errno));
(*dst->finish_output)(&dinfo, dst);
finally:
if(tempbuf) free(tempbuf);
if(fd!=-1) close(fd);
return retcode;
bailout:
jpeg_destroy_decompress(&dinfo);
if(file) fclose(file);
return retval;
}
const char *bmpgeterr(void)
{
return __bmperr;
return errStr;
}

62
bmp.h
View File

@@ -1,43 +1,41 @@
/* Copyright (C)2004 Landmark Graphics Corporation
* Copyright (C)2005 Sun Microsystems, Inc.
/*
* Copyright (C)2011 D. R. Commander. All Rights Reserved.
*
* This library is free software and may be redistributed and/or modified under
* the terms of the wxWindows Library License, Version 3.1 or (at your option)
* any later version. The full license is in the LICENSE.txt file included
* with this distribution.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* wxWindows Library License for more details.
*/
// This provides rudimentary facilities for loading and saving true color
// BMP and PPM files
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __BMP_H__
#define __BMP_H__
#define BMPPIXELFORMATS 6
enum BMPPIXELFORMAT {BMP_RGB=0, BMP_RGBA, BMP_BGR, BMP_BGRA, BMP_ABGR, BMP_ARGB};
#include "./turbojpeg.h"
#ifdef __cplusplus
extern "C" {
#endif
int loadbmp(char *filename, unsigned char **buf, int *w, int *h, int pf,
int bottomup);
// This will load a Windows bitmap from a file and return a buffer with the
// specified pixel format, scanline alignment, and orientation. The width and
// height are returned in w and h.
int loadbmp(char *filename, unsigned char **buf, int *w, int *h,
enum BMPPIXELFORMAT f, int align, int dstbottomup);
// This will save a buffer with the specified pixel format, pitch, orientation,
// width, and height as a 24-bit Windows bitmap or PPM (the filename determines
// which format to use)
int savebmp(char *filename, unsigned char *buf, int w, int h,
enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup);
int savebmp(char *filename, unsigned char *buf, int w, int h, int pf,
int bottomup);
const char *bmpgeterr(void);

View File

@@ -2,6 +2,7 @@
* cderror.h
*
* Copyright (C) 1994-1997, Thomas G. Lane.
* Modified 2009 by Guido Vollbeding.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
@@ -45,6 +46,7 @@ JMESSAGE(JERR_BMP_BADHEADER, "Invalid BMP file: bad header length")
JMESSAGE(JERR_BMP_BADPLANES, "Invalid BMP file: biPlanes not equal to 1")
JMESSAGE(JERR_BMP_COLORSPACE, "BMP output must be grayscale or RGB")
JMESSAGE(JERR_BMP_COMPRESSED, "Sorry, compressed BMPs not yet supported")
JMESSAGE(JERR_BMP_EMPTY, "Empty BMP image")
JMESSAGE(JERR_BMP_NOT, "Not a BMP file - does not start with BM")
JMESSAGE(JTRC_BMP, "%ux%u 24-bit BMP image")
JMESSAGE(JTRC_BMP_MAPPED, "%ux%u 8-bit colormapped BMP image")

View File

@@ -104,6 +104,7 @@ typedef struct cdjpeg_progress_mgr * cd_progress_ptr;
#define jinit_write_targa jIWrTarga
#define read_quant_tables RdQTables
#define read_scan_script RdScnScript
#define set_quality_ratings SetQRates
#define set_quant_slots SetQSlots
#define set_sample_factors SetSFacts
#define read_color_map RdCMap
@@ -131,8 +132,10 @@ EXTERN(djpeg_dest_ptr) jinit_write_targa JPP((j_decompress_ptr cinfo));
/* cjpeg support routines (in rdswitch.c) */
EXTERN(boolean) read_quant_tables JPP((j_compress_ptr cinfo, char * filename,
int scale_factor, boolean force_baseline));
boolean force_baseline));
EXTERN(boolean) read_scan_script JPP((j_compress_ptr cinfo, char * filename));
EXTERN(boolean) set_quality_ratings JPP((j_compress_ptr cinfo, char *arg,
boolean force_baseline));
EXTERN(boolean) set_quant_slots JPP((j_compress_ptr cinfo, char *arg));
EXTERN(boolean) set_sample_factors JPP((j_compress_ptr cinfo, char *arg));

View File

@@ -1,6 +1,85 @@
NOTE: This file was modified by The libjpeg-turbo Project to include only
information relevant to libjpeg-turbo.
CHANGE LOG for Independent JPEG Group's JPEG software
Version 8d 15-Jan-2012
-----------------------
Add cjpeg -rgb option to create RGB JPEG files.
Using this switch suppresses the conversion from RGB
colorspace input to the default YCbCr JPEG colorspace.
Thank to Michael Koch for the initial suggestion.
Add option to disable the region adjustment in the transupp crop code.
Thank to Jeffrey Friedl for the suggestion.
Version 8b 16-May-2010
-----------------------
Repair problem in new memory source manager with corrupt JPEG data.
Thank to Ted Campbell and Samuel Chun for the report.
Version 8a 28-Feb-2010
-----------------------
Writing tables-only datastreams via jpeg_write_tables works again.
Support 32-bit BMPs (RGB image with Alpha channel) for read in cjpeg.
Thank to Brett Blackham for the suggestion.
Version 8 10-Jan-2010
----------------------
Add sanity check in BMP reader module to avoid cjpeg crash for empty input
image (thank to Isaev Ildar of ISP RAS, Moscow, RU for reporting this error).
Add data source and destination managers for read from and write to
memory buffers. New API functions jpeg_mem_src and jpeg_mem_dest.
Thank to Roberto Boni from Italy for the suggestion.
Version 7 27-Jun-2009
----------------------
New scaled DCTs implemented.
djpeg now supports scalings N/8 with all N from 1 to 16.
cjpeg -quality option has been extended for support of separate quality
settings for luminance and chrominance (or in general, for every provided
quantization table slot).
New API function jpeg_default_qtables() and q_scale_factor array in library.
Support arithmetic entropy encoding and decoding.
Added files jaricom.c, jcarith.c, jdarith.c.
jpegtran has a new "lossless" cropping feature.
Implement -perfect option in jpegtran, new API function
jtransform_perfect_transform() in transupp. (DP 204_perfect.dpatch)
Better error messages for jpegtran fopen failure.
(DP 203_jpegtran_errmsg.dpatch)
Fix byte order issue with 16bit PPM/PGM files in rdppm.c/wrppm.c:
according to Netpbm, the de facto standard implementation of the PNM formats,
the most significant byte is first. (DP 203_rdppm.dpatch)
Add -raw option to rdjpgcom not to mangle the output.
(DP 205_rdjpgcom_raw.dpatch)
Make rdjpgcom locale aware. (DP 201_rdjpgcom_locale.dpatch)
Add extern "C" to jpeglib.h.
This avoids the need to put extern "C" { ... } around #include "jpeglib.h"
in your C++ application. Defining the symbol DONT_USE_EXTERN_C in the
configuration prevents this. (DP 202_jpeglib.h_c++.dpatch)
Version 6b 27-Mar-1998
-----------------------

70
cjpeg.1
View File

@@ -1,4 +1,4 @@
.TH CJPEG 1 "20 March 1998"
.TH CJPEG 1 "18 January 2013"
.SH NAME
cjpeg \- compress an image file to a JPEG file
.SH SYNOPSIS
@@ -36,7 +36,7 @@ though for brevity these are not mentioned below.
.PP
The basic switches are:
.TP
.BI \-quality " N"
.BI \-quality " N[,...]"
Scale quantization tables to adjust image quality. Quality is 0 (worst) to
100 (best); default is 75. (See below for more info.)
.TP
@@ -49,6 +49,11 @@ By saying
.BR \-grayscale ,
you'll get a smaller JPEG file that takes less time to process.
.TP
.B \-rgb
Create RGB JPEG file.
Using this switch suppresses the conversion from RGB
colorspace input to the default YCbCr JPEG colorspace.
.TP
.B \-optimize
Perform optimization of entropy encoding parameters. Without this, default
encoding parameters are used.
@@ -108,6 +113,36 @@ other JPEG programs may be unable to decode the resulting file. Use
.B \-baseline
if you need to ensure compatibility at low quality values.)
.PP
The \fB-quality\fR option has been extended in this version of \fBcjpeg\fR to
support separate quality settings for luminance and chrominance (or, in
general, separate settings for every quantization table slot.) The principle
is the same as chrominance subsampling: since the human eye is more sensitive
to spatial changes in brightness than spatial changes in color, the chrominance
components can be quantized more than the luminance components without
incurring any visible image quality loss. However, unlike subsampling, this
feature reduces data in the frequency domain instead of the spatial domain,
which allows for more fine-grained control. This option is useful in
quality-sensitive applications, for which the artifacts generated by
subsampling may be unacceptable.
.PP
The \fB-quality\fR option accepts a comma-separated list of parameters, which
respectively refer to the quality levels that should be assigned to the
quantization table slots. If there are more q-table slots than parameters,
then the last parameter is replicated. Thus, if only one quality parameter is
given, this is used for both luminance and chrominance (slots 0 and 1,
respectively), preserving the legacy behavior of cjpeg v6b and prior.
More (or customized) quantization tables can be set with the \fB-qtables\fR
option and assigned to components with the \fB-qslots\fR option (see the
"wizard" switches below.)
.PP
JPEG files generated with separate luminance and chrominance quality are fully
compliant with standard JPEG decoders.
.PP
.BR CAUTION:
For this setting to be useful, be sure to pass an argument of \fB-sample 1x1\fR
to \fBcjpeg\fR to disable chrominance subsampling. Otherwise, the default
subsampling level (2x2, AKA "4:2:0") will be used.
.PP
The
.B \-progressive
switch creates a "progressive JPEG" file. In this type of JPEG file, the data
@@ -117,12 +152,15 @@ scan to display a low-quality image very quickly, and can then improve the
display with each subsequent scan. The final image is exactly equivalent to a
standard JPEG file of the same quality setting, and the total file size is
about the same --- often a little smaller.
.B Caution:
progressive JPEG is not yet widely implemented, so many decoders will be
unable to view a progressive JPEG file at all.
.PP
Switches for advanced users:
.TP
.B \-arithmetic
Use arithmetic coding.
.B Caution:
arithmetic coded JPEG is not yet widely implemented, so many decoders will be
unable to view an arithmetic coded JPEG file at all.
.TP
.B \-dct int
Use integer DCT method (default).
.TP
@@ -157,6 +195,11 @@ selects 4000000 bytes. If more space is needed, temporary files will be used.
.BI \-outfile " name"
Send output image to the named file, not to standard output.
.TP
.BI \-memdst
Compress to memory instead of a file. This feature was implemented mainly as a
way of testing the in-memory destination manager (jpeg_mem_dest()), but it is
also useful for benchmarking, since it reduces the I/O overhead.
.TP
.B \-verbose
Enable debug printout. More
.BR \-v 's
@@ -211,7 +254,7 @@ Use the scan script given in the specified text file.
.PP
The "wizard" switches are intended for experimentation with JPEG. If you
don't know what you are doing, \fBdon't use them\fR. These switches are
documented further in the file wizard.doc.
documented further in the file wizard.txt.
.SH EXAMPLES
.LP
This example compresses the PPM file foo.ppm with a quality factor of
@@ -275,12 +318,15 @@ Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
.SH AUTHOR
Independent JPEG Group
.SH BUGS
Arithmetic coding is not supported for legal reasons.
.PP
GIF input files are no longer supported, to avoid the Unisys LZW patent.
Use a Unisys-licensed program if you need to read a GIF file. (Conversion
of GIF files to JPEG is usually a bad idea anyway.)
This file was modified by The libjpeg-turbo Project to include only information
relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
features not present in libjpeg.
.SH BUGS
Support for GIF input files was removed in cjpeg v6b due to concerns over
the Unisys LZW patent. Although this patent expired in 2006, cjpeg still
lacks GIF support, for these historical reasons. (Conversion of GIF files to
JPEG is usually a bad idea anyway.)
.PP
Not all variants of BMP and Targa file formats are supported.
.PP
@@ -288,5 +334,3 @@ The
.B \-targa
switch is not a bug, it's a feature. (It would be a bug if the Targa format
designers had not been clueless.)
.PP
Still not as fast as we'd like.

121
cjpeg.c
View File

@@ -1,8 +1,11 @@
/*
* cjpeg.c
*
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1998, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* Modified 2003-2011 by Guido Vollbeding.
* Modifications:
* Copyright (C) 2010, 2013, D. R. Commander.
* For conditions of distribution and use, see the accompanying README file.
*
* This file contains a command-line user interface for the JPEG compressor.
@@ -25,6 +28,7 @@
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "config.h"
#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
#ifdef __MWERKS__
@@ -135,6 +139,7 @@ select_file_type (j_compress_ptr cinfo, FILE * infile)
static const char * progname; /* program name for error messages */
static char * outfilename; /* for -outfile switch */
boolean memdst; /* for -memdst switch */
LOCAL(void)
@@ -149,8 +154,9 @@ usage (void)
#endif
fprintf(stderr, "Switches (names may be abbreviated):\n");
fprintf(stderr, " -quality N Compression quality (0..100; 5-95 is useful range)\n");
fprintf(stderr, " -quality N[,...] Compression quality (0..100; 5-95 is useful range)\n");
fprintf(stderr, " -grayscale Create monochrome JPEG file\n");
fprintf(stderr, " -rgb Create RGB JPEG file\n");
#ifdef ENTROPY_OPT_SUPPORTED
fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but slow compression)\n");
#endif
@@ -161,6 +167,9 @@ usage (void)
fprintf(stderr, " -targa Input file is Targa format (usually not needed)\n");
#endif
fprintf(stderr, "Switches for advanced users:\n");
#ifdef C_ARITH_CODING_SUPPORTED
fprintf(stderr, " -arithmetic Use arithmetic coding\n");
#endif
#ifdef DCT_ISLOW_SUPPORTED
fprintf(stderr, " -dct int Use integer DCT method%s\n",
(JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
@@ -179,11 +188,11 @@ usage (void)
#endif
fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
fprintf(stderr, " -outfile name Specify name for output file\n");
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
fprintf(stderr, " -memdst Compress to memory instead of file (useful for benchmarking)\n");
#endif
fprintf(stderr, " -verbose or -debug Emit debug output\n");
fprintf(stderr, "Switches for wizards:\n");
#ifdef C_ARITH_CODING_SUPPORTED
fprintf(stderr, " -arithmetic Use arithmetic coding\n");
#endif
fprintf(stderr, " -baseline Force baseline quantization tables\n");
fprintf(stderr, " -qtables file Use quantization tables given in file\n");
fprintf(stderr, " -qslots N[,...] Set component quantization tables\n");
@@ -209,25 +218,21 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
{
int argn;
char * arg;
int quality; /* -quality parameter */
int q_scale_factor; /* scaling percentage for -qtables */
boolean force_baseline;
boolean simple_progressive;
char * qualityarg = NULL; /* saves -quality parm if any */
char * qtablefile = NULL; /* saves -qtables filename if any */
char * qslotsarg = NULL; /* saves -qslots parm if any */
char * samplearg = NULL; /* saves -sample parm if any */
char * scansarg = NULL; /* saves -scans parm if any */
/* Set up default JPEG parameters. */
/* Note that default -quality level need not, and does not,
* match the default scaling for an explicit -qtables argument.
*/
quality = 75; /* default -quality value */
q_scale_factor = 100; /* default to no scaling for -qtables */
force_baseline = FALSE; /* by default, allow 16-bit quantizers */
simple_progressive = FALSE;
is_targa = FALSE;
outfilename = NULL;
memdst = FALSE;
cinfo->err->trace_level = 0;
/* Scan command line options, adjust parameters */
@@ -277,8 +282,11 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
static boolean printed_version = FALSE;
if (! printed_version) {
fprintf(stderr, "Independent JPEG Group's CJPEG, version %s\n%s\n",
JVERSION, JCOPYRIGHT);
fprintf(stderr, "%s version %s (build %s)\n",
PACKAGE_NAME, VERSION, BUILD);
fprintf(stderr, "%s\n\n", JCOPYRIGHT);
fprintf(stderr, "Emulating The Independent JPEG Group's libjpeg, version %s\n\n",
JVERSION);
printed_version = TRUE;
}
cinfo->err->trace_level++;
@@ -287,6 +295,10 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
/* Force a monochrome JPEG file to be generated. */
jpeg_set_colorspace(cinfo, JCS_GRAYSCALE);
} else if (keymatch(arg, "rgb", 3)) {
/* Force an RGB JPEG file to be generated. */
jpeg_set_colorspace(cinfo, JCS_RGB);
} else if (keymatch(arg, "maxmemory", 3)) {
/* Maximum memory in Kb (or Mb with 'm'). */
long lval;
@@ -305,7 +317,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
#ifdef ENTROPY_OPT_SUPPORTED
cinfo->optimize_coding = TRUE;
#else
fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n",
fprintf(stderr, "%s: sorry, entropy optimization was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
@@ -322,19 +334,26 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
simple_progressive = TRUE;
/* We must postpone execution until num_components is known. */
#else
fprintf(stderr, "%s: sorry, progressive output was not compiled\n",
fprintf(stderr, "%s: sorry, progressive output was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "memdst", 2)) {
/* Use in-memory destination manager */
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
memdst = TRUE;
#else
fprintf(stderr, "%s: sorry, in-memory destination manager was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "quality", 1)) {
/* Quality factor (quantization table scaling factor). */
/* Quality ratings (quantization table scaling factors). */
if (++argn >= argc) /* advance to next argument */
usage();
if (sscanf(argv[argn], "%d", &quality) != 1)
usage();
/* Change scale factor in case -qtables is present. */
q_scale_factor = jpeg_quality_scaling(quality);
qualityarg = argv[argn];
} else if (keymatch(arg, "qslots", 2)) {
/* Quantization table slot numbers. */
@@ -382,7 +401,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
* default sampling factors.
*/
} else if (keymatch(arg, "scans", 2)) {
} else if (keymatch(arg, "scans", 4)) {
/* Set scan script. */
#ifdef C_MULTISCAN_FILES_SUPPORTED
if (++argn >= argc) /* advance to next argument */
@@ -390,7 +409,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
scansarg = argv[argn];
/* We must postpone reading the file in case -progressive appears. */
#else
fprintf(stderr, "%s: sorry, multi-scan output was not compiled\n",
fprintf(stderr, "%s: sorry, multi-scan output was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
@@ -422,11 +441,12 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
/* Set quantization tables for selected quality. */
/* Some or all may be overridden if -qtables is present. */
jpeg_set_quality(cinfo, quality, force_baseline);
if (qualityarg != NULL) /* process -quality if it was present */
if (! set_quality_ratings(cinfo, qualityarg, force_baseline))
usage();
if (qtablefile != NULL) /* process -qtables if it was present */
if (! read_quant_tables(cinfo, qtablefile,
q_scale_factor, force_baseline))
if (! read_quant_tables(cinfo, qtablefile, force_baseline))
usage();
if (qslotsarg != NULL) /* process -qslots if it was present */
@@ -468,7 +488,9 @@ main (int argc, char **argv)
int file_index;
cjpeg_source_ptr src_mgr;
FILE * input_file;
FILE * output_file;
FILE * output_file = NULL;
unsigned char *outbuffer = NULL;
unsigned long outsize = 0;
JDIMENSION num_scanlines;
/* On Mac, fetch a command line. */
@@ -511,19 +533,21 @@ main (int argc, char **argv)
file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
#ifdef TWO_FILE_COMMANDLINE
/* Must have either -outfile switch or explicit output file name */
if (outfilename == NULL) {
if (file_index != argc-2) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
}
outfilename = argv[file_index+1];
} else {
if (file_index != argc-1) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
if (!memdst) {
/* Must have either -outfile switch or explicit output file name */
if (outfilename == NULL) {
if (file_index != argc-2) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
}
outfilename = argv[file_index+1];
} else {
if (file_index != argc-1) {
fprintf(stderr, "%s: must name one input and one output file\n",
progname);
usage();
}
}
}
#else
@@ -551,7 +575,7 @@ main (int argc, char **argv)
fprintf(stderr, "%s: can't open %s\n", progname, outfilename);
exit(EXIT_FAILURE);
}
} else {
} else if (!memdst) {
/* default output file is stdout */
output_file = write_stdout();
}
@@ -574,7 +598,12 @@ main (int argc, char **argv)
file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
/* Specify data destination for compression */
jpeg_stdio_dest(&cinfo, output_file);
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
if (memdst)
jpeg_mem_dest(&cinfo, &outbuffer, &outsize);
else
#endif
jpeg_stdio_dest(&cinfo, output_file);
/* Start compressor */
jpeg_start_compress(&cinfo, TRUE);
@@ -593,13 +622,19 @@ main (int argc, char **argv)
/* Close files, if we opened them */
if (input_file != stdin)
fclose(input_file);
if (output_file != stdout)
if (output_file != stdout && output_file != NULL)
fclose(output_file);
#ifdef PROGRESS_REPORT
end_progress_monitor((j_common_ptr) &cinfo);
#endif
if (memdst) {
fprintf(stderr, "Compressed size: %lu bytes\n", outsize);
if (outbuffer != NULL)
free(outbuffer);
}
/* All done. */
exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
return 0; /* suppress no-return-value warnings */

15
cmakescripts/md5cmp.cmake Normal file
View File

@@ -0,0 +1,15 @@
if(NOT MD5)
message(FATAL_ERROR "MD5 not specified")
endif()
if(NOT FILE)
message(FATAL_ERROR "FILE not specified")
endif()
file(MD5 ${FILE} MD5FILE)
if(NOT MD5 STREQUAL MD5FILE)
message(FATAL_ERROR "MD5 of ${FILE} should be ${MD5}, not ${MD5FILE}.")
else()
message(STATUS "${MD5}: OK")
endif()

View File

@@ -0,0 +1,34 @@
file(GLOB FILES
testout*
*_GRAY_*.bmp
*_GRAY_*.png
*_GRAY_*.ppm
*_GRAY_*.jpg
*_GRAY.yuv
*_420_*.bmp
*_420_*.png
*_420_*.ppm
*_420_*.jpg
*_420.yuv
*_422_*.bmp
*_422_*.png
*_422_*.ppm
*_422_*.jpg
*_422.yuv
*_444_*.bmp
*_444_*.png
*_444_*.ppm
*_444_*.jpg
*_444.yuv
*_440_*.bmp
*_440_*.png
*_440_*.ppm
*_440_*.jpg
*_440.yuv)
if(NOT FILES STREQUAL "")
message(STATUS "Removing test files")
file(REMOVE ${FILES})
else()
message(STATUS "No files to remove")
endif()

View File

@@ -103,7 +103,7 @@ should be in the common data structures.
4. Don't use static variables except for read-only constant tables. Variables
that should be private to a module can be placed into private structures (see
the system architecture document, structure.doc).
the system architecture document, structure.txt).
5. Source file names should begin with "j" for files that are part of the
library proper; source files that are not part of the library, such as cjpeg.c

View File

@@ -2,7 +2,7 @@
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.56])
AC_INIT([libjpeg-turbo], [1.0.1])
AC_INIT([libjpeg-turbo], [1.2.90])
BUILD=`date +%Y%m%d`
AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
@@ -13,10 +13,10 @@ AC_DEFINE([HAVE_PROTOTYPES], 1, [Define if your compiler supports prototypes])
# Checks for programs.
SAVED_CFLAGS=${CFLAGS}
SAVED_CXXFLAGS=${CXXFLAGS}
SAVED_CPPFLAGS=${CPPFLAGS}
AC_PROG_CPP
AC_PROG_CC
AC_PROG_CXX
AM_PROG_AS
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_LN_S
@@ -28,33 +28,12 @@ AC_MSG_RESULT(yes),
[AC_MSG_RESULT(no)
AC_DEFINE([INCOMPLETE_TYPES_BROKEN],[1],[Compiler does not support pointers to undefined structures.])])
AC_MSG_CHECKING([whether the linker supports version scripts])
VERSION_SCRIPT=no
LDVER=`$LD --help </dev/null 2>&1 | grep "\-\-version-script"`
if test "$LDVER"; then
VERSION_SCRIPT=yes
VERSION_SCRIPT_FLAG=-Wl,--version-script,
AC_MSG_RESULT(yes)
else
LDVER=`$LD --help </dev/null 2>&1 | grep "\-M"`
if test "$LDVER"; then
VERSION_SCRIPT=yes
VERSION_SCRIPT_FLAG=-Wl,-M,
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
fi
AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
AC_SUBST(VERSION_SCRIPT_FLAG)
if test "x${GCC}" = "xyes"; then
if test "x${SAVED_CFLAGS}" = "x"; then
CFLAGS=-O3
fi
if test "x${SAVED_CXXFLAGS}" = "x"; then
CXXFLAGS=-O3
if test "x${SAVED_CPPFLAGS}" = "x"; then
CPPFLAGS=-Wall
fi
fi
@@ -63,9 +42,6 @@ if test "x${SUNCC}" = "xyes"; then
if test "x${SAVED_CFLAGS}" = "x"; then
CFLAGS=-xO5
fi
if test "x${SAVED_CXXFLAGS}" = "x"; then
CXXFLAGS=-xO5
fi
fi
# Checks for libraries.
@@ -123,17 +99,242 @@ AC_CHECK_FUNCS([memset memcpy], [],
[AC_DEFINE([NEED_BSD_STRINGS], 1,
[Define if you have BSD-like bzero and bcopy])])
# Set flags to indicate platform
case "$host_os" in
cygwin* | mingw* | pw32* | interix*)
is_win32=1
;;
esac
AM_CONDITIONAL([IS_WIN32], [test "x$is_win32" = "x1"])
AC_MSG_CHECKING([libjpeg API version])
AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)])
if test "x$JPEG_LIB_VERSION" = "x"; then
AC_ARG_WITH([jpeg7],
AC_HELP_STRING([--with-jpeg7], [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
AC_ARG_WITH([jpeg8],
AC_HELP_STRING([--with-jpeg8], [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
if test "x${with_jpeg8}" = "xyes"; then
JPEG_LIB_VERSION=80
else
if test "x${with_jpeg7}" = "xyes"; then
JPEG_LIB_VERSION=70
else
JPEG_LIB_VERSION=62
fi
fi
fi
JPEG_LIB_VERSION_DECIMAL=`expr $JPEG_LIB_VERSION / 10`.`expr $JPEG_LIB_VERSION % 10`
AC_SUBST(JPEG_LIB_VERSION_DECIMAL)
AC_MSG_RESULT([$JPEG_LIB_VERSION_DECIMAL])
AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION], [libjpeg API version])
AC_ARG_VAR(SO_MAJOR_VERSION, [Major version of the libjpeg-turbo shared library (default is determined by the API version)])
AC_ARG_VAR(SO_MINOR_VERSION, [Minor version of the libjpeg-turbo shared library (default is determined by the API version)])
if test "x$SO_MAJOR_VERSION" = "x"; then
case "$JPEG_LIB_VERSION" in
62) SO_MAJOR_VERSION=$JPEG_LIB_VERSION ;;
*) SO_MAJOR_VERSION=`expr $JPEG_LIB_VERSION / 10` ;;
esac
fi
if test "x$SO_MINOR_VERSION" = "x"; then
case "$JPEG_LIB_VERSION" in
80) SO_MINOR_VERSION=2 ;;
*) SO_MINOR_VERSION=0 ;;
esac
fi
RPM_CONFIG_ARGS=
# Memory source/destination managers
SO_AGE=0
MEM_SRCDST_FUNCTIONS=
if test "x${with_jpeg8}" != "xyes"; then
AC_MSG_CHECKING([whether to include in-memory source/destination managers])
AC_ARG_WITH([mem-srcdst],
AC_HELP_STRING([--without-mem-srcdst], [Do not include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI]))
if test "x$with_mem_srcdst" != "xno"; then
AC_MSG_RESULT(yes)
AC_DEFINE([MEM_SRCDST_SUPPORTED], [1], [Support in-memory source/destination managers])
SO_AGE=1
MEM_SRCDST_FUNCTIONS="global: jpeg_mem_dest; jpeg_mem_src;";
else
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-mem-srcdst"
fi
fi
AC_MSG_CHECKING([libjpeg shared library version])
AC_MSG_RESULT([$SO_MAJOR_VERSION.$SO_AGE.$SO_MINOR_VERSION])
LIBTOOL_CURRENT=`expr $SO_MAJOR_VERSION + $SO_AGE`
AC_SUBST(LIBTOOL_CURRENT)
AC_SUBST(SO_MAJOR_VERSION)
AC_SUBST(SO_MINOR_VERSION)
AC_SUBST(SO_AGE)
AC_SUBST(MEM_SRCDST_FUNCTIONS)
AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION, [$VERSION], [libjpeg-turbo version])
VERSION_SCRIPT=yes
AC_ARG_ENABLE([ld-version-script],
AS_HELP_STRING([--disable-ld-version-script],
[Disable linker version script for libjpeg-turbo (default is to use linker version script if the linker supports it)]),
[VERSION_SCRIPT=$enableval], [])
AC_MSG_CHECKING([whether the linker supports version scripts])
SAVED_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -Wl,--version-script,conftest.map"
cat > conftest.map <<EOF
VERS_1 {
global: *;
};
EOF
AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
[VERSION_SCRIPT_FLAG=-Wl,--version-script,; AC_MSG_RESULT([yes (GNU style)])], [])
if test "x$VERSION_SCRIPT_FLAG" = "x"; then
LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map"
AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
[VERSION_SCRIPT_FLAG=-Wl,-M,; AC_MSG_RESULT([yes (Sun style)])], [])
fi
if test "x$VERSION_SCRIPT_FLAG" = "x"; then
VERSION_SCRIPT=no
AC_MSG_RESULT(no)
fi
LDFLAGS="$SAVED_LDFLAGS"
AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo])
AC_MSG_RESULT($VERSION_SCRIPT)
AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
AC_SUBST(VERSION_SCRIPT_FLAG)
# Check for non-broken inline under various spellings
AC_MSG_CHECKING(for inline)
ljt_cv_inline=""
AC_TRY_COMPILE(, [} __attribute__((always_inline)) int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="__attribute__((always_inline))",
AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="__inline__",
AC_TRY_COMPILE(, [} __inline int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="__inline",
AC_TRY_COMPILE(, [} inline int foo() { return 0; }
int bar() { return foo();], ljt_cv_inline="inline"))))
AC_MSG_RESULT($ljt_cv_inline)
AC_DEFINE_UNQUOTED([INLINE],[$ljt_cv_inline],[How to obtain function inlining.])
# Arithmetic coding support
AC_MSG_CHECKING([whether to include arithmetic encoding support])
AC_ARG_WITH([arith-enc],
AC_HELP_STRING([--without-arith-enc], [Do not include arithmetic encoding support]))
if test "x$with_arith_enc" = "xno"; then
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-enc"
else
AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
AC_MSG_RESULT(yes)
fi
AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
AC_MSG_CHECKING([whether to include arithmetic decoding support])
AC_ARG_WITH([arith-dec],
AC_HELP_STRING([--without-arith-dec], [Do not include arithmetic decoding support]))
if test "x$with_arith_dec" = "xno"; then
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-dec"
else
AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding])
AC_MSG_RESULT(yes)
fi
AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"])
AM_CONDITIONAL([WITH_ARITH], [test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"])
# TurboJPEG support
AC_MSG_CHECKING([whether to build TurboJPEG C wrapper])
AC_ARG_WITH([turbojpeg],
AC_HELP_STRING([--without-turbojpeg],[Do not include the TurboJPEG wrapper library and associated test programs]))
if test "x$with_turbojpeg" = "xno"; then
AC_MSG_RESULT(no)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-turbojpeg"
else
AC_MSG_RESULT(yes)
fi
# Java support
AC_ARG_VAR(JAVAC, [Java compiler command (default: javac)])
if test "x$JAVAC" = "x"; then
JAVAC=javac
fi
AC_SUBST(JAVAC)
AC_ARG_VAR(JAVACFLAGS, [Java compiler flags])
AC_SUBST(JAVACFLAGS)
AC_ARG_VAR(JAR, [Java archive command (default: jar)])
if test "x$JAR" = "x"; then
JAR=jar
fi
AC_SUBST(JAR)
AC_ARG_VAR(JAVA, [Java runtime command (default: java)])
if test "x$JAVA" = "x"; then
JAVA=java
fi
AC_SUBST(JAVA)
AC_ARG_VAR(JNI_CFLAGS, [C compiler flags needed to include jni.h (default: -I/System/Library/Frameworks/JavaVM.framework/Headers on OS X, '-I/usr/java/include -I/usr/java/include/solaris' on Solaris, and '-I/usr/java/default/include -I/usr/java/default/include/linux' on Linux)])
AC_MSG_CHECKING([whether to build TurboJPEG Java wrapper])
AC_ARG_WITH([java],
AC_HELP_STRING([--with-java],[Build Java wrapper for the TurboJPEG library]))
if test "x$with_turbojpeg" = "xno"; then
with_java=no
fi
WITH_JAVA=0
if test "x$with_java" = "xyes"; then
AC_MSG_RESULT(yes)
case $host_os in
darwin*)
DEFAULT_JNI_CFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers
;;
solaris*)
DEFAULT_JNI_CFLAGS='-I/usr/java/include -I/usr/java/include/solaris'
;;
linux*)
DEFAULT_JNI_CFLAGS='-I/usr/java/default/include -I/usr/java/default/include/linux'
;;
esac
if test "x$JNI_CFLAGS" = "x"; then
JNI_CFLAGS=$DEFAULT_JNI_CFLAGS
fi
SAVE_CPPFLAGS=${CPPFLAGS}
CPPFLAGS="${CPPFLAGS} ${JNI_CFLAGS}"
AC_CHECK_HEADERS([jni.h], [DUMMY=1],
[AC_MSG_ERROR([Could not find JNI header file])])
CPPFLAGS=${SAVE_CPPFLAGS}
AC_SUBST(JNI_CFLAGS)
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --with-java"
JAVA_RPM_CONTENTS_1='%dir /opt/%{name}/classes'
JAVA_RPM_CONTENTS_2=/opt/%{name}/classes/turbojpeg.jar
WITH_JAVA=1
else
AC_MSG_RESULT(no)
fi
AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"])
AC_SUBST(WITH_JAVA)
AC_SUBST(JAVA_RPM_CONTENTS_1)
AC_SUBST(JAVA_RPM_CONTENTS_2)
# optionally force using gas-preprocessor.pl for compatibility testing
AC_ARG_WITH([gas-preprocessor],
AC_HELP_STRING([--with-gas-preprocessor],[Force using gas-preprocessor.pl on ARM.]))
if test "x${with_gas_preprocessor}" = "xyes"; then
case $host_os in
darwin*)
CCAS="gas-preprocessor.pl -fix-unreq $CC"
;;
*)
CCAS="gas-preprocessor.pl -no-fix-unreq $CC"
;;
esac
AC_SUBST([CCAS])
fi
# SIMD is optional
AC_ARG_WITH([simd],
AC_HELP_STRING([--without-simd],[Omit accelerated SIMD routines.]))
AC_HELP_STRING([--without-simd],[Do not include SIMD extensions]))
if test "x${with_simd}" != "xno"; then
# Check if we're on a supported CPU
AC_MSG_CHECKING([if we have SIMD optimisations for cpu type])
@@ -148,6 +349,16 @@ if test "x${with_simd}" != "xno"; then
AC_PROG_NASM
simd_arch=i386
;;
arm*)
AC_MSG_RESULT([yes (arm)])
AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE(
[AC_MSG_RESULT([yes])
simd_arch=arm],
[AC_MSG_RESULT([no])
with_simd=no
AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])])
;;
*)
AC_MSG_RESULT([no ("$host_cpu")])
AC_MSG_WARN([SIMD support not available for this CPU. Performance will suffer.])
@@ -158,12 +369,17 @@ if test "x${with_simd}" != "xno"; then
if test "x${with_simd}" != "xno"; then
AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
fi
else
RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-simd"
fi
AM_CONDITIONAL([WITH_SIMD], [test "x$with_simd" != "xno"])
AM_CONDITIONAL([WITH_SSE_FLOAT_DCT], [test "x$simd_arch" = "xx86_64" -o "x$simd_arch" = "xi386"])
AM_CONDITIONAL([SIMD_I386], [test "x$simd_arch" = "xi386"])
AM_CONDITIONAL([SIMD_X86_64], [test "x$simd_arch" = "xx86_64"])
AM_CONDITIONAL([SIMD_ARM], [test "x$simd_arch" = "xarm"])
AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64" -o "x$host_cpu" = "xamd64"])
AM_CONDITIONAL([WITH_TURBOJPEG], [test "x$with_turbojpeg" != "xno"])
case "$host_cpu" in
x86_64)
@@ -177,8 +393,10 @@ case "$host_cpu" in
esac
AC_SUBST(RPMARCH)
AC_SUBST(RPM_CONFIG_ARGS)
AC_SUBST(DEBARCH)
AC_SUBST(BUILD)
AC_DEFINE_UNQUOTED([BUILD], "$BUILD", [Build number])
# jconfig.h is the file we use, but we have another before that to
# fool autoheader. the reason is that we include this header in our
@@ -186,5 +404,21 @@ AC_SUBST(BUILD)
# jconfig.h is a minimal version that allows this package to be built
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_HEADERS([jconfig.h])
AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec:release/libjpeg-turbo.spec.in])
AC_CONFIG_FILES([pkgscripts/makecygwinpkg:release/makecygwinpkg.in])
AC_CONFIG_FILES([pkgscripts/makedpkg:release/makedpkg.in])
AC_CONFIG_FILES([pkgscripts/makemacpkg:release/makemacpkg.in])
AC_CONFIG_FILES([pkgscripts/Description.plist:release/Description.plist.in])
AC_CONFIG_FILES([pkgscripts/Info.plist:release/Info.plist.in])
AC_CONFIG_FILES([pkgscripts/uninstall:release/uninstall.in])
if test "x$with_turbojpeg" != "xno"; then
AC_CONFIG_FILES([tjbenchtest])
fi
if test "x$with_java" = "xyes"; then
AC_CONFIG_FILES([tjbenchtest.java])
AC_CONFIG_FILES([tjexampletest])
fi
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AC_CONFIG_FILES([java/Makefile])
AC_OUTPUT

19
djpeg.1
View File

@@ -1,4 +1,4 @@
.TH DJPEG 1 "22 August 1997"
.TH DJPEG 1 "18 January 2013"
.SH NAME
djpeg \- decompress a JPEG file to an image file
.SH SYNOPSIS
@@ -62,8 +62,9 @@ runs noticeably faster in this mode.
.TP
.BI \-scale " M/N"
Scale the output image by a factor M/N. Currently the scale factor must be
1/1, 1/2, 1/4, or 1/8. Scaling is handy if the image is larger than your
screen; also,
M/8, where M is an integer between 1 and 16 inclusive, or any reduced fraction
thereof (such as 1/2, 3/4, etc.) Scaling is handy if the image is larger than
your screen; also,
.B djpeg
runs much faster when scaling down the output.
.TP
@@ -172,6 +173,10 @@ selects 4000000 bytes. If more space is needed, temporary files will be used.
.BI \-outfile " name"
Send output image to the named file, not to standard output.
.TP
.BI \-memsrc
Load input file into memory before decompressing. This feature was implemented
mainly as a way of testing the in-memory source manager (jpeg_mem_src().)
.TP
.B \-verbose
Enable debug printout. More
.BR \-v 's
@@ -242,12 +247,12 @@ Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
.SH AUTHOR
Independent JPEG Group
.SH BUGS
Arithmetic coding is not supported for legal reasons.
.PP
This file was modified by The libjpeg-turbo Project to include only information
relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
features not present in libjpeg.
.SH BUGS
To avoid the Unisys LZW patent,
.B djpeg
produces uncompressed GIF files. These are larger than they should be, but
are readable by standard GIF decoders.
.PP
Still not as fast as we'd like.

66
djpeg.c
View File

@@ -1,8 +1,10 @@
/*
* djpeg.c
*
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1997, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* Modifications:
* Copyright (C) 2010-2011, 2013, D. R. Commander.
* For conditions of distribution and use, see the accompanying README file.
*
* This file contains a command-line user interface for the JPEG decompressor.
@@ -25,6 +27,7 @@
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "config.h"
#include <ctype.h> /* to declare isprint() */
@@ -84,6 +87,8 @@ static IMAGE_FORMATS requested_fmt;
static const char * progname; /* program name for error messages */
static char * outfilename; /* for -outfile switch */
boolean memsrc; /* for -memsrc switch */
#define INPUT_BUF_SIZE 4096
LOCAL(void)
@@ -101,6 +106,7 @@ usage (void)
fprintf(stderr, " -colors N Reduce image to no more than N colors\n");
fprintf(stderr, " -fast Fast, low-quality processing\n");
fprintf(stderr, " -grayscale Force grayscale output\n");
fprintf(stderr, " -rgb Force RGB output\n");
#ifdef IDCT_SCALING_SUPPORTED
fprintf(stderr, " -scale M/N Scale output image by fraction M/N, eg, 1/8\n");
#endif
@@ -153,6 +159,10 @@ usage (void)
#endif
fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
fprintf(stderr, " -outfile name Specify name for output file\n");
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
fprintf(stderr, " -memsrc Load input file into memory before decompressing\n");
#endif
fprintf(stderr, " -verbose or -debug Emit debug output\n");
exit(EXIT_FAILURE);
}
@@ -176,6 +186,7 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
/* Set up default JPEG parameters. */
requested_fmt = DEFAULT_FMT; /* set default output file format */
outfilename = NULL;
memsrc = FALSE;
cinfo->err->trace_level = 0;
/* Scan command line options, adjust parameters */
@@ -240,8 +251,11 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
static boolean printed_version = FALSE;
if (! printed_version) {
fprintf(stderr, "Independent JPEG Group's DJPEG, version %s\n%s\n",
JVERSION, JCOPYRIGHT);
fprintf(stderr, "%s version %s (build %s)\n",
PACKAGE_NAME, VERSION, BUILD);
fprintf(stderr, "%s\n\n", JCOPYRIGHT);
fprintf(stderr, "Emulating The Independent JPEG Group's libjpeg, version %s\n\n",
JVERSION);
printed_version = TRUE;
}
cinfo->err->trace_level++;
@@ -263,6 +277,10 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
/* Force monochrome output. */
cinfo->out_color_space = JCS_GRAYSCALE;
} else if (keymatch(arg, "rgb", 2)) {
/* Force RGB output. */
cinfo->out_color_space = JCS_RGB;
} else if (keymatch(arg, "map", 3)) {
/* Quantize to a color map taken from an input file. */
if (++argn >= argc) /* advance to next argument */
@@ -314,6 +332,16 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
usage();
outfilename = argv[argn]; /* save it away for later use */
} else if (keymatch(arg, "memsrc", 2)) {
/* Use in-memory source manager */
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
memsrc = TRUE;
#else
fprintf(stderr, "%s: sorry, in-memory source manager was not compiled in\n",
progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "pnm", 1) || keymatch(arg, "ppm", 1)) {
/* PPM/PGM output format. */
requested_fmt = FMT_PPM;
@@ -432,6 +460,8 @@ main (int argc, char **argv)
djpeg_dest_ptr dest_mgr = NULL;
FILE * input_file;
FILE * output_file;
unsigned char *inbuffer = NULL;
unsigned long insize = 0;
JDIMENSION num_scanlines;
/* On Mac, fetch a command line. */
@@ -455,7 +485,7 @@ main (int argc, char **argv)
* APP12 is used by some digital camera makers for textual info,
* so we provide the ability to display it as text.
* If you like, additional APPn marker types can be selected for display,
* but don't try to override APP0 or APP14 this way (see libjpeg.doc).
* but don't try to override APP0 or APP14 this way (see libjpeg.txt).
*/
jpeg_set_marker_processor(&cinfo, JPEG_COM, print_text_marker);
jpeg_set_marker_processor(&cinfo, JPEG_APP0+12, print_text_marker);
@@ -526,7 +556,30 @@ main (int argc, char **argv)
#endif
/* Specify data source for decompression */
jpeg_stdio_src(&cinfo, input_file);
#if JPEG_LIB_VERSION >= 80 || defined(MEM_SRCDST_SUPPORTED)
if (memsrc) {
size_t nbytes;
do {
inbuffer = (unsigned char *)realloc(inbuffer, insize + INPUT_BUF_SIZE);
if (inbuffer == NULL) {
fprintf(stderr, "%s: memory allocation failure\n", progname);
exit(EXIT_FAILURE);
}
nbytes = JFREAD(input_file, &inbuffer[insize], INPUT_BUF_SIZE);
if (nbytes < 0) {
if (file_index < argc)
fprintf(stderr, "%s: can't read from %s\n", progname,
argv[file_index]);
else
fprintf(stderr, "%s: can't read from stdin\n", progname);
}
insize += (unsigned long)nbytes;
} while (nbytes == INPUT_BUF_SIZE);
fprintf(stderr, "Compressed size: %lu bytes\n", insize);
jpeg_mem_src(&cinfo, inbuffer, insize);
} else
#endif
jpeg_stdio_src(&cinfo, input_file);
/* Read file header, set default decompression parameters */
(void) jpeg_read_header(&cinfo, TRUE);
@@ -610,6 +663,9 @@ main (int argc, char **argv)
end_progress_monitor((j_common_ptr) &cinfo);
#endif
if (memsrc && inbuffer != NULL)
free(inbuffer);
/* All done. */
exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
return 0; /* suppress no-return-value warnings */

88
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<div class="textblock">Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:</div><ul>
<li>customFilter
: <a class="el" href="structtjtransform.html#a43ee1bcdd2a8d7249a756774f78793c1">tjtransform</a>
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&#160;<ul>
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#!/usr/bin/perl
%subst = ( );
$quiet = 0;
while ( @ARGV ) {
$_ = shift @ARGV;
if ( s/^-// ) {
if ( /^l(.*)/ ) {
$v = ($1 eq "") ? shift @ARGV : $1;
($v =~ /\/$/) || ($v .= "/");
$_ = $v;
if ( /(.+)\@(.+)/ ) {
if ( exists $subst{$1} ) {
$subst{$1} = $2;
} else {
print STDERR "Unknown tag file $1 given with option -l\n";
&usage();
}
} else {
print STDERR "Argument $_ is invalid for option -l\n";
&usage();
}
}
elsif ( /^q/ ) {
$quiet = 1;
}
elsif ( /^\?|^h/ ) {
&usage();
}
else {
print STDERR "Illegal option -$_\n";
&usage();
}
}
else {
push (@files, $_ );
}
}
foreach $sub (keys %subst)
{
if ( $subst{$sub} eq "" )
{
print STDERR "No substitute given for tag file `$sub'\n";
&usage();
}
elsif ( ! $quiet && $sub ne "_doc" && $sub ne "_cgi" )
{
print "Substituting $subst{$sub} for each occurrence of tag file $sub\n";
}
}
if ( ! @files ) {
if (opendir(D,".")) {
foreach $file ( readdir(D) ) {
$match = ".html";
next if ( $file =~ /^\.\.?$/ );
($file =~ /$match/) && (push @files, $file);
($file =~ /\.svg/) && (push @files, $file);
($file =~ "navtree.js") && (push @files, $file);
}
closedir(D);
}
}
if ( ! @files ) {
print STDERR "Warning: No input files given and none found!\n";
}
foreach $f (@files)
{
if ( ! $quiet ) {
print "Editing: $f...\n";
}
$oldf = $f;
$f .= ".bak";
unless (rename $oldf,$f) {
print STDERR "Error: cannot rename file $oldf\n";
exit 1;
}
if (open(F,"<$f")) {
unless (open(G,">$oldf")) {
print STDERR "Error: opening file $oldf for writing\n";
exit 1;
}
if ($oldf ne "tree.js") {
while (<F>) {
s/doxygen\=\"([^ \"\:\t\>\<]*)\:([^ \"\t\>\<]*)\" (xlink:href|href|src)=\"\2/doxygen\=\"$1:$subst{$1}\" \3=\"$subst{$1}/g;
print G "$_";
}
}
else {
while (<F>) {
s/\"([^ \"\:\t\>\<]*)\:([^ \"\t\>\<]*)\", \"\2/\"$1:$subst{$1}\" ,\"$subst{$1}/g;
print G "$_";
}
}
}
else {
print STDERR "Warning file $f does not exist\n";
}
unlink $f;
}
sub usage {
print STDERR "Usage: installdox [options] [html-file [html-file ...]]\n";
print STDERR "Options:\n";
print STDERR " -l tagfile\@linkName tag file + URL or directory \n";
print STDERR " -q Quiet mode\n\n";
exit 1;
}

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>TurboJPEG: Modules</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body onload='searchBox.OnSelectItem(0);'>
<!-- Generated by Doxygen 1.7.4 -->
<script type="text/javascript"><!--
var searchBox = new SearchBox("searchBox", "search",false,'Search');
--></script>
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">TurboJPEG&#160;<span id="projectnumber">1.2.1</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li class="current"><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
<li id="searchli">
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
</div>
<div class="header">
<div class="headertitle">
<div class="title">Modules</div> </div>
</div>
<div class="contents">
<div class="textblock">Here is a list of all modules:</div><ul>
<li><a class="el" href="group___turbo_j_p_e_g.html">TurboJPEG</a></li>
</ul>
</div>
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<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Variables</a></div>
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<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Fri Jun 29 2012 18:34:09 for TurboJPEG by&#160;
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
</body>
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</head>
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<link rel="stylesheet" type="text/css" href="search.css"/>
<script type="text/javascript" src="search.js"></script>
</head>
<body class="SRPage">
<div id="SRIndex">
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<span class="SRScope">tjtransform</span>
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<div class="SRResult" id="SR_options">
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<link rel="stylesheet" type="text/css" href="search.css"/>
<script type="text/javascript" src="search.js"></script>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html><head><title></title>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<link rel="stylesheet" type="text/css" href="search.css"/>
<script type="text/javascript" src="search.js"></script>
</head>
<body class="SRPage">
<div id="SRIndex">
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</body>
</html>

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doc/html/search/search.css Normal file
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/*---------------- Search Box */
#FSearchBox {
float: left;
}
#searchli {
float: right;
display: block;
width: 170px;
height: 36px;
}
#MSearchBox {
white-space : nowrap;
position: absolute;
float: none;
display: inline;
margin-top: 8px;
right: 0px;
width: 170px;
z-index: 102;
}
#MSearchBox .left
{
display:block;
position:absolute;
left:10px;
width:20px;
height:19px;
background:url('search_l.png') no-repeat;
background-position:right;
}
#MSearchSelect {
display:block;
position:absolute;
width:20px;
height:19px;
}
.left #MSearchSelect {
left:4px;
}
.right #MSearchSelect {
right:5px;
}
#MSearchField {
display:block;
position:absolute;
height:19px;
background:url('search_m.png') repeat-x;
border:none;
width:116px;
margin-left:20px;
padding-left:4px;
color: #909090;
outline: none;
font: 9pt Arial, Verdana, sans-serif;
}
#FSearchBox #MSearchField {
margin-left:15px;
}
#MSearchBox .right {
display:block;
position:absolute;
right:10px;
top:0px;
width:20px;
height:19px;
background:url('search_r.png') no-repeat;
background-position:left;
}
#MSearchClose {
display: none;
position: absolute;
top: 4px;
background : none;
border: none;
margin: 0px 4px 0px 0px;
padding: 0px 0px;
outline: none;
}
.left #MSearchClose {
left: 6px;
}
.right #MSearchClose {
right: 2px;
}
.MSearchBoxActive #MSearchField {
color: #000000;
}
/*---------------- Search filter selection */
#MSearchSelectWindow {
display: none;
position: absolute;
left: 0; top: 0;
border: 1px solid #90A5CE;
background-color: #F9FAFC;
z-index: 1;
padding-top: 4px;
padding-bottom: 4px;
-moz-border-radius: 4px;
-webkit-border-top-left-radius: 4px;
-webkit-border-top-right-radius: 4px;
-webkit-border-bottom-left-radius: 4px;
-webkit-border-bottom-right-radius: 4px;
-webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
}
.SelectItem {
font: 8pt Arial, Verdana, sans-serif;
padding-left: 2px;
padding-right: 12px;
border: 0px;
}
span.SelectionMark {
margin-right: 4px;
font-family: monospace;
outline-style: none;
text-decoration: none;
}
a.SelectItem {
display: block;
outline-style: none;
color: #000000;
text-decoration: none;
padding-left: 6px;
padding-right: 12px;
}
a.SelectItem:focus,
a.SelectItem:active {
color: #000000;
outline-style: none;
text-decoration: none;
}
a.SelectItem:hover {
color: #FFFFFF;
background-color: #3D578C;
outline-style: none;
text-decoration: none;
cursor: pointer;
display: block;
}
/*---------------- Search results window */
iframe#MSearchResults {
width: 60ex;
height: 15em;
}
#MSearchResultsWindow {
display: none;
position: absolute;
left: 0; top: 0;
border: 1px solid #000;
background-color: #EEF1F7;
}
/* ----------------------------------- */
#SRIndex {
clear:both;
padding-bottom: 15px;
}
.SREntry {
font-size: 10pt;
padding-left: 1ex;
}
.SRPage .SREntry {
font-size: 8pt;
padding: 1px 5px;
}
body.SRPage {
margin: 5px 2px;
}
.SRChildren {
padding-left: 3ex; padding-bottom: .5em
}
.SRPage .SRChildren {
display: none;
}
.SRSymbol {
font-weight: bold;
color: #425E97;
font-family: Arial, Verdana, sans-serif;
text-decoration: none;
outline: none;
}
a.SRScope {
display: block;
color: #425E97;
font-family: Arial, Verdana, sans-serif;
text-decoration: none;
outline: none;
}
a.SRSymbol:focus, a.SRSymbol:active,
a.SRScope:focus, a.SRScope:active {
text-decoration: underline;
}
.SRPage .SRStatus {
padding: 2px 5px;
font-size: 8pt;
font-style: italic;
}
.SRResult {
display: none;
}
DIV.searchresults {
margin-left: 10px;
margin-right: 10px;
}

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// Search script generated by doxygen
// Copyright (C) 2009 by Dimitri van Heesch.
// The code in this file is loosly based on main.js, part of Natural Docs,
// which is Copyright (C) 2003-2008 Greg Valure
// Natural Docs is licensed under the GPL.
var indexSectionsWithContent =
{
0: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100010000011001010011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
1: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
2: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100010000011001000011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
};
var indexSectionNames =
{
0: "all",
1: "classes",
2: "variables"
};
function convertToId(search)
{
var result = '';
for (i=0;i<search.length;i++)
{
var c = search.charAt(i);
var cn = c.charCodeAt(0);
if (c.match(/[a-z0-9]/))
{
result+=c;
}
else if (cn<16)
{
result+="_0"+cn.toString(16);
}
else
{
result+="_"+cn.toString(16);
}
}
return result;
}
function getXPos(item)
{
var x = 0;
if (item.offsetWidth)
{
while (item && item!=document.body)
{
x += item.offsetLeft;
item = item.offsetParent;
}
}
return x;
}
function getYPos(item)
{
var y = 0;
if (item.offsetWidth)
{
while (item && item!=document.body)
{
y += item.offsetTop;
item = item.offsetParent;
}
}
return y;
}
/* A class handling everything associated with the search panel.
Parameters:
name - The name of the global variable that will be
storing this instance. Is needed to be able to set timeouts.
resultPath - path to use for external files
*/
function SearchBox(name, resultsPath, inFrame, label)
{
if (!name || !resultsPath) { alert("Missing parameters to SearchBox."); }
// ---------- Instance variables
this.name = name;
this.resultsPath = resultsPath;
this.keyTimeout = 0;
this.keyTimeoutLength = 500;
this.closeSelectionTimeout = 300;
this.lastSearchValue = "";
this.lastResultsPage = "";
this.hideTimeout = 0;
this.searchIndex = 0;
this.searchActive = false;
this.insideFrame = inFrame;
this.searchLabel = label;
// ----------- DOM Elements
this.DOMSearchField = function()
{ return document.getElementById("MSearchField"); }
this.DOMSearchSelect = function()
{ return document.getElementById("MSearchSelect"); }
this.DOMSearchSelectWindow = function()
{ return document.getElementById("MSearchSelectWindow"); }
this.DOMPopupSearchResults = function()
{ return document.getElementById("MSearchResults"); }
this.DOMPopupSearchResultsWindow = function()
{ return document.getElementById("MSearchResultsWindow"); }
this.DOMSearchClose = function()
{ return document.getElementById("MSearchClose"); }
this.DOMSearchBox = function()
{ return document.getElementById("MSearchBox"); }
// ------------ Event Handlers
// Called when focus is added or removed from the search field.
this.OnSearchFieldFocus = function(isActive)
{
this.Activate(isActive);
}
this.OnSearchSelectShow = function()
{
var searchSelectWindow = this.DOMSearchSelectWindow();
var searchField = this.DOMSearchSelect();
if (this.insideFrame)
{
var left = getXPos(searchField);
var top = getYPos(searchField);
left += searchField.offsetWidth + 6;
top += searchField.offsetHeight;
// show search selection popup
searchSelectWindow.style.display='block';
left -= searchSelectWindow.offsetWidth;
searchSelectWindow.style.left = left + 'px';
searchSelectWindow.style.top = top + 'px';
}
else
{
var left = getXPos(searchField);
var top = getYPos(searchField);
top += searchField.offsetHeight;
// show search selection popup
searchSelectWindow.style.display='block';
searchSelectWindow.style.left = left + 'px';
searchSelectWindow.style.top = top + 'px';
}
// stop selection hide timer
if (this.hideTimeout)
{
clearTimeout(this.hideTimeout);
this.hideTimeout=0;
}
return false; // to avoid "image drag" default event
}
this.OnSearchSelectHide = function()
{
this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",
this.closeSelectionTimeout);
}
// Called when the content of the search field is changed.
this.OnSearchFieldChange = function(evt)
{
if (this.keyTimeout) // kill running timer
{
clearTimeout(this.keyTimeout);
this.keyTimeout = 0;
}
var e = (evt) ? evt : window.event; // for IE
if (e.keyCode==40 || e.keyCode==13)
{
if (e.shiftKey==1)
{
this.OnSearchSelectShow();
var win=this.DOMSearchSelectWindow();
for (i=0;i<win.childNodes.length;i++)
{
var child = win.childNodes[i]; // get span within a
if (child.className=='SelectItem')
{
child.focus();
return;
}
}
return;
}
else if (window.frames.MSearchResults.searchResults)
{
var elem = window.frames.MSearchResults.searchResults.NavNext(0);
if (elem) elem.focus();
}
}
else if (e.keyCode==27) // Escape out of the search field
{
this.DOMSearchField().blur();
this.DOMPopupSearchResultsWindow().style.display = 'none';
this.DOMSearchClose().style.display = 'none';
this.lastSearchValue = '';
this.Activate(false);
return;
}
// strip whitespaces
var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
if (searchValue != this.lastSearchValue) // search value has changed
{
if (searchValue != "") // non-empty search
{
// set timer for search update
this.keyTimeout = setTimeout(this.name + '.Search()',
this.keyTimeoutLength);
}
else // empty search field
{
this.DOMPopupSearchResultsWindow().style.display = 'none';
this.DOMSearchClose().style.display = 'none';
this.lastSearchValue = '';
}
}
}
this.SelectItemCount = function(id)
{
var count=0;
var win=this.DOMSearchSelectWindow();
for (i=0;i<win.childNodes.length;i++)
{
var child = win.childNodes[i]; // get span within a
if (child.className=='SelectItem')
{
count++;
}
}
return count;
}
this.SelectItemSet = function(id)
{
var i,j=0;
var win=this.DOMSearchSelectWindow();
for (i=0;i<win.childNodes.length;i++)
{
var child = win.childNodes[i]; // get span within a
if (child.className=='SelectItem')
{
var node = child.firstChild;
if (j==id)
{
node.innerHTML='&bull;';
}
else
{
node.innerHTML='&#160;';
}
j++;
}
}
}
// Called when an search filter selection is made.
// set item with index id as the active item
this.OnSelectItem = function(id)
{
this.searchIndex = id;
this.SelectItemSet(id);
var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
if (searchValue!="" && this.searchActive) // something was found -> do a search
{
this.Search();
}
}
this.OnSearchSelectKey = function(evt)
{
var e = (evt) ? evt : window.event; // for IE
if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down
{
this.searchIndex++;
this.OnSelectItem(this.searchIndex);
}
else if (e.keyCode==38 && this.searchIndex>0) // Up
{
this.searchIndex--;
this.OnSelectItem(this.searchIndex);
}
else if (e.keyCode==13 || e.keyCode==27)
{
this.OnSelectItem(this.searchIndex);
this.CloseSelectionWindow();
this.DOMSearchField().focus();
}
return false;
}
// --------- Actions
// Closes the results window.
this.CloseResultsWindow = function()
{
this.DOMPopupSearchResultsWindow().style.display = 'none';
this.DOMSearchClose().style.display = 'none';
this.Activate(false);
}
this.CloseSelectionWindow = function()
{
this.DOMSearchSelectWindow().style.display = 'none';
}
// Performs a search.
this.Search = function()
{
this.keyTimeout = 0;
// strip leading whitespace
var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
var code = searchValue.toLowerCase().charCodeAt(0);
var hexCode;
if (code<16)
{
hexCode="0"+code.toString(16);
}
else
{
hexCode=code.toString(16);
}
var resultsPage;
var resultsPageWithSearch;
var hasResultsPage;
if (indexSectionsWithContent[this.searchIndex].charAt(code) == '1')
{
resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';
resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
hasResultsPage = true;
}
else // nothing available for this search term
{
resultsPage = this.resultsPath + '/nomatches.html';
resultsPageWithSearch = resultsPage;
hasResultsPage = false;
}
window.frames.MSearchResults.location.href = resultsPageWithSearch;
var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();
if (domPopupSearchResultsWindow.style.display!='block')
{
var domSearchBox = this.DOMSearchBox();
this.DOMSearchClose().style.display = 'inline';
if (this.insideFrame)
{
var domPopupSearchResults = this.DOMPopupSearchResults();
domPopupSearchResultsWindow.style.position = 'relative';
domPopupSearchResultsWindow.style.display = 'block';
var width = document.body.clientWidth - 8; // the -8 is for IE :-(
domPopupSearchResultsWindow.style.width = width + 'px';
domPopupSearchResults.style.width = width + 'px';
}
else
{
var domPopupSearchResults = this.DOMPopupSearchResults();
var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth;
var top = getYPos(domSearchBox) + 20; // domSearchBox.offsetHeight + 1;
domPopupSearchResultsWindow.style.display = 'block';
left -= domPopupSearchResults.offsetWidth;
domPopupSearchResultsWindow.style.top = top + 'px';
domPopupSearchResultsWindow.style.left = left + 'px';
}
}
this.lastSearchValue = searchValue;
this.lastResultsPage = resultsPage;
}
// -------- Activation Functions
// Activates or deactivates the search panel, resetting things to
// their default values if necessary.
this.Activate = function(isActive)
{
if (isActive || // open it
this.DOMPopupSearchResultsWindow().style.display == 'block'
)
{
this.DOMSearchBox().className = 'MSearchBoxActive';
var searchField = this.DOMSearchField();
if (searchField.value == this.searchLabel) // clear "Search" term upon entry
{
searchField.value = '';
this.searchActive = true;
}
}
else if (!isActive) // directly remove the panel
{
this.DOMSearchBox().className = 'MSearchBoxInactive';
this.DOMSearchField().value = this.searchLabel;
this.searchActive = false;
this.lastSearchValue = ''
this.lastResultsPage = '';
}
}
}
// -----------------------------------------------------------------------
// The class that handles everything on the search results page.
function SearchResults(name)
{
// The number of matches from the last run of <Search()>.
this.lastMatchCount = 0;
this.lastKey = 0;
this.repeatOn = false;
// Toggles the visibility of the passed element ID.
this.FindChildElement = function(id)
{
var parentElement = document.getElementById(id);
var element = parentElement.firstChild;
while (element && element!=parentElement)
{
if (element.nodeName == 'DIV' && element.className == 'SRChildren')
{
return element;
}
if (element.nodeName == 'DIV' && element.hasChildNodes())
{
element = element.firstChild;
}
else if (element.nextSibling)
{
element = element.nextSibling;
}
else
{
do
{
element = element.parentNode;
}
while (element && element!=parentElement && !element.nextSibling);
if (element && element!=parentElement)
{
element = element.nextSibling;
}
}
}
}
this.Toggle = function(id)
{
var element = this.FindChildElement(id);
if (element)
{
if (element.style.display == 'block')
{
element.style.display = 'none';
}
else
{
element.style.display = 'block';
}
}
}
// Searches for the passed string. If there is no parameter,
// it takes it from the URL query.
//
// Always returns true, since other documents may try to call it
// and that may or may not be possible.
this.Search = function(search)
{
if (!search) // get search word from URL
{
search = window.location.search;
search = search.substring(1); // Remove the leading '?'
search = unescape(search);
}
search = search.replace(/^ +/, ""); // strip leading spaces
search = search.replace(/ +$/, ""); // strip trailing spaces
search = search.toLowerCase();
search = convertToId(search);
var resultRows = document.getElementsByTagName("div");
var matches = 0;
var i = 0;
while (i < resultRows.length)
{
var row = resultRows.item(i);
if (row.className == "SRResult")
{
var rowMatchName = row.id.toLowerCase();
rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'
if (search.length<=rowMatchName.length &&
rowMatchName.substr(0, search.length)==search)
{
row.style.display = 'block';
matches++;
}
else
{
row.style.display = 'none';
}
}
i++;
}
document.getElementById("Searching").style.display='none';
if (matches == 0) // no results
{
document.getElementById("NoMatches").style.display='block';
}
else // at least one result
{
document.getElementById("NoMatches").style.display='none';
}
this.lastMatchCount = matches;
return true;
}
// return the first item with index index or higher that is visible
this.NavNext = function(index)
{
var focusItem;
while (1)
{
var focusName = 'Item'+index;
focusItem = document.getElementById(focusName);
if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
{
break;
}
else if (!focusItem) // last element
{
break;
}
focusItem=null;
index++;
}
return focusItem;
}
this.NavPrev = function(index)
{
var focusItem;
while (1)
{
var focusName = 'Item'+index;
focusItem = document.getElementById(focusName);
if (focusItem && focusItem.parentNode.parentNode.style.display=='block')
{
break;
}
else if (!focusItem) // last element
{
break;
}
focusItem=null;
index--;
}
return focusItem;
}
this.ProcessKeys = function(e)
{
if (e.type == "keydown")
{
this.repeatOn = false;
this.lastKey = e.keyCode;
}
else if (e.type == "keypress")
{
if (!this.repeatOn)
{
if (this.lastKey) this.repeatOn = true;
return false; // ignore first keypress after keydown
}
}
else if (e.type == "keyup")
{
this.lastKey = 0;
this.repeatOn = false;
}
return this.lastKey!=0;
}
this.Nav = function(evt,itemIndex)
{
var e = (evt) ? evt : window.event; // for IE
if (e.keyCode==13) return true;
if (!this.ProcessKeys(e)) return false;
if (this.lastKey==38) // Up
{
var newIndex = itemIndex-1;
var focusItem = this.NavPrev(newIndex);
if (focusItem)
{
var child = this.FindChildElement(focusItem.parentNode.parentNode.id);
if (child && child.style.display == 'block') // children visible
{
var n=0;
var tmpElem;
while (1) // search for last child
{
tmpElem = document.getElementById('Item'+newIndex+'_c'+n);
if (tmpElem)
{
focusItem = tmpElem;
}
else // found it!
{
break;
}
n++;
}
}
}
if (focusItem)
{
focusItem.focus();
}
else // return focus to search field
{
parent.document.getElementById("MSearchField").focus();
}
}
else if (this.lastKey==40) // Down
{
var newIndex = itemIndex+1;
var focusItem;
var item = document.getElementById('Item'+itemIndex);
var elem = this.FindChildElement(item.parentNode.parentNode.id);
if (elem && elem.style.display == 'block') // children visible
{
focusItem = document.getElementById('Item'+itemIndex+'_c0');
}
if (!focusItem) focusItem = this.NavNext(newIndex);
if (focusItem) focusItem.focus();
}
else if (this.lastKey==39) // Right
{
var item = document.getElementById('Item'+itemIndex);
var elem = this.FindChildElement(item.parentNode.parentNode.id);
if (elem) elem.style.display = 'block';
}
else if (this.lastKey==37) // Left
{
var item = document.getElementById('Item'+itemIndex);
var elem = this.FindChildElement(item.parentNode.parentNode.id);
if (elem) elem.style.display = 'none';
}
else if (this.lastKey==27) // Escape
{
parent.searchBox.CloseResultsWindow();
parent.document.getElementById("MSearchField").focus();
}
else if (this.lastKey==13) // Enter
{
return true;
}
return false;
}
this.NavChild = function(evt,itemIndex,childIndex)
{
var e = (evt) ? evt : window.event; // for IE
if (e.keyCode==13) return true;
if (!this.ProcessKeys(e)) return false;
if (this.lastKey==38) // Up
{
if (childIndex>0)
{
var newIndex = childIndex-1;
document.getElementById('Item'+itemIndex+'_c'+newIndex).focus();
}
else // already at first child, jump to parent
{
document.getElementById('Item'+itemIndex).focus();
}
}
else if (this.lastKey==40) // Down
{
var newIndex = childIndex+1;
var elem = document.getElementById('Item'+itemIndex+'_c'+newIndex);
if (!elem) // last child, jump to parent next parent
{
elem = this.NavNext(itemIndex+1);
}
if (elem)
{
elem.focus();
}
}
else if (this.lastKey==27) // Escape
{
parent.searchBox.CloseResultsWindow();
parent.document.getElementById("MSearchField").focus();
}
else if (this.lastKey==13) // Enter
{
return true;
}
return false;
}
}

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html><head><title></title>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<link rel="stylesheet" type="text/css" href="search.css"/>
<script type="text/javascript" src="search.js"></script>
</head>
<body class="SRPage">
<div id="SRIndex">
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRResult" id="SR_customfilter">
<div class="SREntry">
<a id="Item0" onkeydown="return searchResults.Nav(event,0)" onkeypress="return searchResults.Nav(event,0)" onkeyup="return searchResults.Nav(event,0)" class="SRSymbol" href="../structtjtransform.html#a43ee1bcdd2a8d7249a756774f78793c1" target="_parent">customFilter</a>
<span class="SRScope">tjtransform</span>
</div>
</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
<script type="text/javascript"><!--
document.getElementById("Loading").style.display="none";
document.getElementById("NoMatches").style.display="none";
var searchResults = new SearchResults("searchResults");
searchResults.Search();
--></script>
</div>
</body>
</html>

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html><head><title></title>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<!-- doxytag: class="tjregion" -->
<p>Cropping region.
<a href="structtjregion.html#details">More...</a></p>
<p><code>#include &lt;turbojpeg.h&gt;</code></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjregion.html#a4b6a37a93997091b26a75831fa291ad9">x</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">The left boundary of the cropping region. <a href="#a4b6a37a93997091b26a75831fa291ad9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjregion.html#a7b3e0c24cfe87acc80e334cafdcf22c2">y</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">The upper boundary of the cropping region. <a href="#a7b3e0c24cfe87acc80e334cafdcf22c2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjregion.html#ab6eb73ceef584fc23c8c8097926dce42">w</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">The width of the cropping region. <a href="#ab6eb73ceef584fc23c8c8097926dce42"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjregion.html#aecefc45a26f4d8b60dd4d825c1710115">h</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">The height of the cropping region. <a href="#aecefc45a26f4d8b60dd4d825c1710115"></a><br/></td></tr>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Cropping region. </p>
</div><hr/><h2>Field Documentation</h2>
<a class="anchor" id="aecefc45a26f4d8b60dd4d825c1710115"></a><!-- doxytag: member="tjregion::h" ref="aecefc45a26f4d8b60dd4d825c1710115" args="" -->
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<td class="memname">int <a class="el" href="structtjregion.html#aecefc45a26f4d8b60dd4d825c1710115">tjregion::h</a></td>
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<p>The height of the cropping region. </p>
<p>Setting this to 0 is the equivalent of setting it to the height of the source JPEG image - y. </p>
</div>
</div>
<a class="anchor" id="ab6eb73ceef584fc23c8c8097926dce42"></a><!-- doxytag: member="tjregion::w" ref="ab6eb73ceef584fc23c8c8097926dce42" args="" -->
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<p>The width of the cropping region. </p>
<p>Setting this to 0 is the equivalent of setting it to the width of the source JPEG image - x. </p>
</div>
</div>
<a class="anchor" id="a4b6a37a93997091b26a75831fa291ad9"></a><!-- doxytag: member="tjregion::x" ref="a4b6a37a93997091b26a75831fa291ad9" args="" -->
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<td class="memname">int <a class="el" href="structtjregion.html#a4b6a37a93997091b26a75831fa291ad9">tjregion::x</a></td>
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<p>The left boundary of the cropping region. </p>
<p>This must be evenly divisible by the MCU block width (see <a class="el" href="group___turbo_j_p_e_g.html#ga9e61e7cd47a15a173283ba94e781308c" title="MCU block width (in pixels) for a given level of chrominance subsampling.">tjMCUWidth</a>.) </p>
</div>
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<a class="anchor" id="a7b3e0c24cfe87acc80e334cafdcf22c2"></a><!-- doxytag: member="tjregion::y" ref="a7b3e0c24cfe87acc80e334cafdcf22c2" args="" -->
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<td class="memname">int <a class="el" href="structtjregion.html#a7b3e0c24cfe87acc80e334cafdcf22c2">tjregion::y</a></td>
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<p>The upper boundary of the cropping region. </p>
<p>This must be evenly divisible by the MCU block height (see <a class="el" href="group___turbo_j_p_e_g.html#gabd247bb9fecb393eca57366feb8327bf" title="MCU block height (in pixels) for a given level of chrominance subsampling.">tjMCUHeight</a>.) </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>turbojpeg.h</li>
</ul>
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<!-- doxytag: class="tjscalingfactor" -->
<p>Scaling factor.
<a href="structtjscalingfactor.html#details">More...</a></p>
<p><code>#include &lt;turbojpeg.h&gt;</code></p>
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Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjscalingfactor.html#a9b011e57f981ee23083e2c1aa5e640ec">num</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Numerator. <a href="#a9b011e57f981ee23083e2c1aa5e640ec"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjscalingfactor.html#aefbcdf3e9e62274b2d312c695f133ce3">denom</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Denominator. <a href="#aefbcdf3e9e62274b2d312c695f133ce3"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Scaling factor. </p>
</div><hr/><h2>Field Documentation</h2>
<a class="anchor" id="aefbcdf3e9e62274b2d312c695f133ce3"></a><!-- doxytag: member="tjscalingfactor::denom" ref="aefbcdf3e9e62274b2d312c695f133ce3" args="" -->
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<p>Denominator. </p>
</div>
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<a class="anchor" id="a9b011e57f981ee23083e2c1aa5e640ec"></a><!-- doxytag: member="tjscalingfactor::num" ref="a9b011e57f981ee23083e2c1aa5e640ec" args="" -->
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<p>Numerator. </p>
</div>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>turbojpeg.h</li>
</ul>
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<a href="#pub-attribs">Data Fields</a> </div>
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<div class="title">tjtransform Struct Reference<div class="ingroups"><a class="el" href="group___turbo_j_p_e_g.html">TurboJPEG</a></div></div> </div>
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<div class="contents">
<!-- doxytag: class="tjtransform" -->
<p>Lossless transform.
<a href="structtjtransform.html#details">More...</a></p>
<p><code>#include &lt;turbojpeg.h&gt;</code></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structtjregion.html">tjregion</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjtransform.html#ac324e5e442abec8a961e5bf219db12cf">r</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Cropping region. <a href="#ac324e5e442abec8a961e5bf219db12cf"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjtransform.html#a2525aab4ba6978a1c273f74fef50e498">op</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">One of the <a class="el" href="group___turbo_j_p_e_g.html#ga2de531af4e7e6c4f124908376b354866">transform operations</a>. <a href="#a2525aab4ba6978a1c273f74fef50e498"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjtransform.html#ac0e74655baa4402209a21e1ae481c8f6">options</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">The bitwise OR of one of more of the <a class="el" href="group___turbo_j_p_e_g.html#ga9c771a757fc1294add611906b89ab2d2">transform options</a>. <a href="#ac0e74655baa4402209a21e1ae481c8f6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjtransform.html#a688fe8f1a8ecc12a538d9e561cf338e3">data</a></td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Arbitrary data that can be accessed within the body of the callback function. <a href="#a688fe8f1a8ecc12a538d9e561cf338e3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structtjtransform.html#a43ee1bcdd2a8d7249a756774f78793c1">customFilter</a> )(short *coeffs, <a class="el" href="structtjregion.html">tjregion</a> arrayRegion, <a class="el" href="structtjregion.html">tjregion</a> planeRegion, int componentIndex, int transformIndex, struct <a class="el" href="structtjtransform.html">tjtransform</a> *transform)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">A callback function that can be used to modify the DCT coefficients after they are losslessly transformed but before they are transcoded to a new JPEG file. <a href="#a43ee1bcdd2a8d7249a756774f78793c1"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Lossless transform. </p>
</div><hr/><h2>Field Documentation</h2>
<a class="anchor" id="a43ee1bcdd2a8d7249a756774f78793c1"></a><!-- doxytag: member="tjtransform::customFilter" ref="a43ee1bcdd2a8d7249a756774f78793c1" args=")(short *coeffs, tjregion arrayRegion, tjregion planeRegion, int componentIndex, int transformIndex, struct tjtransform *transform)" -->
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<td class="memname">int(* <a class="el" href="structtjtransform.html#a43ee1bcdd2a8d7249a756774f78793c1">tjtransform::customFilter</a>)(short *coeffs, <a class="el" href="structtjregion.html">tjregion</a> arrayRegion, <a class="el" href="structtjregion.html">tjregion</a> planeRegion, int componentIndex, int transformIndex, struct <a class="el" href="structtjtransform.html">tjtransform</a> *transform)</td>
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<div class="memdoc">
<p>A callback function that can be used to modify the DCT coefficients after they are losslessly transformed but before they are transcoded to a new JPEG file. </p>
<p>This allows for custom filters or other transformations to be applied in the frequency domain.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">coeffs</td><td>pointer to an array of transformed DCT coefficients. (NOTE: this pointer is not guaranteed to be valid once the callback returns, so applications wishing to hand off the DCT coefficients to another function or library should make a copy of them within the body of the callback.) </td></tr>
<tr><td class="paramname">arrayRegion</td><td><a class="el" href="structtjregion.html" title="Cropping region.">tjregion</a> structure containing the width and height of the array pointed to by <code>coeffs</code> as well as its offset relative to the component plane. TurboJPEG implementations may choose to split each component plane into multiple DCT coefficient arrays and call the callback function once for each array. </td></tr>
<tr><td class="paramname">planeRegion</td><td><a class="el" href="structtjregion.html" title="Cropping region.">tjregion</a> structure containing the width and height of the component plane to which <code>coeffs</code> belongs </td></tr>
<tr><td class="paramname">componentID</td><td>ID number of the component plane to which <code>coeffs</code> belongs (Y, Cb, and Cr have, respectively, ID's of 0, 1, and 2 in typical JPEG images.) </td></tr>
<tr><td class="paramname">transformID</td><td>ID number of the transformed image to which <code>coeffs</code> belongs. This is the same as the index of the transform in the transforms array that was passed to <a class="el" href="group___turbo_j_p_e_g.html#gae403193ceb4aafb7e0f56ab587b48616" title="Losslessly transform a JPEG image into another JPEG image.">tjTransform()</a>. </td></tr>
<tr><td class="paramname">transform</td><td>a pointer to a <a class="el" href="structtjtransform.html" title="Lossless transform.">tjtransform</a> structure that specifies the parameters and/or cropping region for this transform</td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 if the callback was successful, or -1 if an error occurred. </dd></dl>
</div>
</div>
<a class="anchor" id="a688fe8f1a8ecc12a538d9e561cf338e3"></a><!-- doxytag: member="tjtransform::data" ref="a688fe8f1a8ecc12a538d9e561cf338e3" args="" -->
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<p>Arbitrary data that can be accessed within the body of the callback function. </p>
</div>
</div>
<a class="anchor" id="a2525aab4ba6978a1c273f74fef50e498"></a><!-- doxytag: member="tjtransform::op" ref="a2525aab4ba6978a1c273f74fef50e498" args="" -->
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<td class="memname">int <a class="el" href="structtjtransform.html#a2525aab4ba6978a1c273f74fef50e498">tjtransform::op</a></td>
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<div class="memdoc">
<p>One of the <a class="el" href="group___turbo_j_p_e_g.html#ga2de531af4e7e6c4f124908376b354866">transform operations</a>. </p>
</div>
</div>
<a class="anchor" id="ac0e74655baa4402209a21e1ae481c8f6"></a><!-- doxytag: member="tjtransform::options" ref="ac0e74655baa4402209a21e1ae481c8f6" args="" -->
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<div class="memdoc">
<p>The bitwise OR of one of more of the <a class="el" href="group___turbo_j_p_e_g.html#ga9c771a757fc1294add611906b89ab2d2">transform options</a>. </p>
</div>
</div>
<a class="anchor" id="ac324e5e442abec8a961e5bf219db12cf"></a><!-- doxytag: member="tjtransform::r" ref="ac324e5e442abec8a961e5bf219db12cf" args="" -->
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<td class="memname"><a class="el" href="structtjregion.html">tjregion</a> <a class="el" href="structtjtransform.html#ac324e5e442abec8a961e5bf219db12cf">tjtransform::r</a></td>
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<div class="memdoc">
<p>Cropping region. </p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li>turbojpeg.h</li>
</ul>
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PROJECT_NAME = TurboJPEG
PROJECT_NUMBER = 1.2.1
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@@ -3,7 +3,7 @@
*
* This file illustrates how to use the IJG code as a subroutine library
* to read or write JPEG image files. You should look at this code in
* conjunction with the documentation file libjpeg.doc.
* conjunction with the documentation file libjpeg.txt.
*
* This code will not do anything useful as-is, but it may be helpful as a
* skeleton for constructing routines that call the JPEG library.
@@ -196,7 +196,7 @@ write_JPEG_file (char * filename, int quality)
* files for anything that doesn't fit within the maximum-memory setting.
* (Note that temp files are NOT needed if you use the default parameters.)
* On some systems you may need to set up a signal handler to ensure that
* temporary files are deleted if the program is interrupted. See libjpeg.doc.
* temporary files are deleted if the program is interrupted. See libjpeg.txt.
*
* Scanlines MUST be supplied in top-to-bottom order if you want your JPEG
* files to be compatible with everyone else's. If you cannot readily read
@@ -335,7 +335,7 @@ read_JPEG_file (char * filename)
/* We can ignore the return value from jpeg_read_header since
* (a) suspension is not possible with the stdio data source, and
* (b) we passed TRUE to reject a tables-only JPEG file as an error.
* See libjpeg.doc for more info.
* See libjpeg.txt for more info.
*/
/* Step 4: set parameters for decompression */
@@ -413,14 +413,14 @@ read_JPEG_file (char * filename)
* In the above code, we ignored the return value of jpeg_read_scanlines,
* which is the number of scanlines actually read. We could get away with
* this because we asked for only one line at a time and we weren't using
* a suspending data source. See libjpeg.doc for more info.
* a suspending data source. See libjpeg.txt for more info.
*
* We cheated a bit by calling alloc_sarray() after jpeg_start_decompress();
* we should have done it beforehand to ensure that the space would be
* counted against the JPEG max_memory setting. In some systems the above
* code would risk an out-of-memory error. However, in general we don't
* know the output image dimensions before jpeg_start_decompress(), unless we
* call jpeg_calc_output_dimensions(). See libjpeg.doc for more about this.
* call jpeg_calc_output_dimensions(). See libjpeg.txt for more about this.
*
* Scanlines are returned in the same order as they appear in the JPEG file,
* which is standardly top-to-bottom. If you must emit data bottom-to-top,
@@ -429,5 +429,5 @@ read_JPEG_file (char * filename)
*
* As with compression, some operating modes may require temporary files.
* On some systems you may need to set up a signal handler to ensure that
* temporary files are deleted if the program is interrupted. See libjpeg.doc.
* temporary files are deleted if the program is interrupted. See libjpeg.txt.
*/

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@@ -1,210 +0,0 @@
IJG JPEG LIBRARY: FILE LIST
Copyright (C) 1994-1998, Thomas G. Lane.
This file is part of the Independent JPEG Group's software.
For conditions of distribution and use, see the accompanying README file.
Here is a road map to the files in the IJG JPEG distribution. The
distribution includes the JPEG library proper, plus two application
programs ("cjpeg" and "djpeg") which use the library to convert JPEG
files to and from some other popular image formats. A third application
"jpegtran" uses the library to do lossless conversion between different
variants of JPEG. There are also two stand-alone applications,
"rdjpgcom" and "wrjpgcom".
THE JPEG LIBRARY
================
Include files:
jpeglib.h JPEG library's exported data and function declarations.
jconfig.h Configuration declarations. Note: this file is not present
in the distribution; it is generated during installation.
jmorecfg.h Additional configuration declarations; need not be changed
for a standard installation.
jerror.h Declares JPEG library's error and trace message codes.
jinclude.h Central include file used by all IJG .c files to reference
system include files.
jpegint.h JPEG library's internal data structures.
jchuff.h Private declarations for Huffman encoder modules.
jdhuff.h Private declarations for Huffman decoder modules.
jdct.h Private declarations for forward & reverse DCT subsystems.
jmemsys.h Private declarations for memory management subsystem.
jversion.h Version information.
Applications using the library should include jpeglib.h (which in turn
includes jconfig.h and jmorecfg.h). Optionally, jerror.h may be included
if the application needs to reference individual JPEG error codes. The
other include files are intended for internal use and would not normally
be included by an application program. (cjpeg/djpeg/etc do use jinclude.h,
since its function is to improve portability of the whole IJG distribution.
Most other applications will directly include the system include files they
want, and hence won't need jinclude.h.)
C source code files:
These files contain most of the functions intended to be called directly by
an application program:
jcapimin.c Application program interface: core routines for compression.
jcapistd.c Application program interface: standard compression.
jdapimin.c Application program interface: core routines for decompression.
jdapistd.c Application program interface: standard decompression.
jcomapi.c Application program interface routines common to compression
and decompression.
jcparam.c Compression parameter setting helper routines.
jctrans.c API and library routines for transcoding compression.
jdtrans.c API and library routines for transcoding decompression.
Compression side of the library:
jcinit.c Initialization: determines which other modules to use.
jcmaster.c Master control: setup and inter-pass sequencing logic.
jcmainct.c Main buffer controller (preprocessor => JPEG compressor).
jcprepct.c Preprocessor buffer controller.
jccoefct.c Buffer controller for DCT coefficient buffer.
jccolor.c Color space conversion.
jcsample.c Downsampling.
jcdctmgr.c DCT manager (DCT implementation selection & control).
jfdctint.c Forward DCT using slow-but-accurate integer method.
jfdctfst.c Forward DCT using faster, less accurate integer method.
jfdctflt.c Forward DCT using floating-point arithmetic.
jchuff.c Huffman entropy coding for sequential JPEG.
jcphuff.c Huffman entropy coding for progressive JPEG.
jcmarker.c JPEG marker writing.
jdatadst.c Data destination manager for stdio output.
Decompression side of the library:
jdmaster.c Master control: determines which other modules to use.
jdinput.c Input controller: controls input processing modules.
jdmainct.c Main buffer controller (JPEG decompressor => postprocessor).
jdcoefct.c Buffer controller for DCT coefficient buffer.
jdpostct.c Postprocessor buffer controller.
jdmarker.c JPEG marker reading.
jdhuff.c Huffman entropy decoding for sequential JPEG.
jdphuff.c Huffman entropy decoding for progressive JPEG.
jddctmgr.c IDCT manager (IDCT implementation selection & control).
jidctint.c Inverse DCT using slow-but-accurate integer method.
jidctfst.c Inverse DCT using faster, less accurate integer method.
jidctflt.c Inverse DCT using floating-point arithmetic.
jidctred.c Inverse DCTs with reduced-size outputs.
jdsample.c Upsampling.
jdcolor.c Color space conversion.
jdmerge.c Merged upsampling/color conversion (faster, lower quality).
jquant1.c One-pass color quantization using a fixed-spacing colormap.
jquant2.c Two-pass color quantization using a custom-generated colormap.
Also handles one-pass quantization to an externally given map.
jdatasrc.c Data source manager for stdio input.
Support files for both compression and decompression:
jerror.c Standard error handling routines (application replaceable).
jmemmgr.c System-independent (more or less) memory management code.
jutils.c Miscellaneous utility routines.
jmemmgr.c relies on a system-dependent memory management module. The IJG
distribution includes the following implementations of the system-dependent
module:
jmemnobs.c "No backing store": assumes adequate virtual memory exists.
jmemansi.c Makes temporary files with ANSI-standard routine tmpfile().
jmemname.c Makes temporary files with program-generated file names.
jmemdos.c Custom implementation for MS-DOS (16-bit environment only):
can use extended and expanded memory as well as temp files.
jmemmac.c Custom implementation for Apple Macintosh.
Exactly one of the system-dependent modules should be configured into an
installed JPEG library (see install.doc for hints about which one to use).
On unusual systems you may find it worthwhile to make a special
system-dependent memory manager.
Non-C source code files:
jmemdosa.asm 80x86 assembly code support for jmemdos.c; used only in
MS-DOS-specific configurations of the JPEG library.
CJPEG/DJPEG/JPEGTRAN
====================
Include files:
cdjpeg.h Declarations shared by cjpeg/djpeg/jpegtran modules.
cderror.h Additional error and trace message codes for cjpeg et al.
transupp.h Declarations for jpegtran support routines in transupp.c.
C source code files:
cjpeg.c Main program for cjpeg.
djpeg.c Main program for djpeg.
jpegtran.c Main program for jpegtran.
cdjpeg.c Utility routines used by all three programs.
rdcolmap.c Code to read a colormap file for djpeg's "-map" switch.
rdswitch.c Code to process some of cjpeg's more complex switches.
Also used by jpegtran.
transupp.c Support code for jpegtran: lossless image manipulations.
Image file reader modules for cjpeg:
rdbmp.c BMP file input.
rdgif.c GIF file input (now just a stub).
rdppm.c PPM/PGM file input.
rdrle.c Utah RLE file input.
rdtarga.c Targa file input.
Image file writer modules for djpeg:
wrbmp.c BMP file output.
wrgif.c GIF file output (a mere shadow of its former self).
wrppm.c PPM/PGM file output.
wrrle.c Utah RLE file output.
wrtarga.c Targa file output.
RDJPGCOM/WRJPGCOM
=================
C source code files:
rdjpgcom.c Stand-alone rdjpgcom application.
wrjpgcom.c Stand-alone wrjpgcom application.
These programs do not depend on the IJG library. They do use
jconfig.h and jinclude.h, only to improve portability.
ADDITIONAL FILES
================
Documentation (see README for a guide to the documentation files):
README Master documentation file.
*.doc Other documentation files.
*.1 Documentation in Unix man page format.
change.log Version-to-version change highlights.
example.c Sample code for calling JPEG library.
Configuration/installation files and programs (see install.doc for more info):
configure Unix shell script to perform automatic configuration.
ltconfig Support scripts for configure (from GNU libtool).
ltmain.sh
config.guess
config.sub
install-sh Install shell script for those Unix systems lacking one.
ckconfig.c Program to generate jconfig.h on non-Unix systems.
jconfig.doc Template for making jconfig.h by hand.
makefile.* Sample makefiles for particular systems.
jconfig.* Sample jconfig.h for particular systems.
ansi2knr.c De-ANSIfier for pre-ANSI C compilers (courtesy of
L. Peter Deutsch and Aladdin Enterprises).
Test files (see install.doc for test procedure):
test*.* Source and comparison files for confidence test.
These are binary image files, NOT text files.

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/*
* jaricom.c
*
* Developed 1997-2009 by Guido Vollbeding.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
* This file contains probability estimation tables for common use in
* arithmetic entropy encoding and decoding routines.
*
* This data represents Table D.2 in the JPEG spec (ISO/IEC IS 10918-1
* and CCITT Recommendation ITU-T T.81) and Table 24 in the JBIG spec
* (ISO/IEC IS 11544 and CCITT Recommendation ITU-T T.82).
*/
#define JPEG_INTERNALS
#include "jinclude.h"
#include "jpeglib.h"
/* The following #define specifies the packing of the four components
* into the compact INT32 representation.
* Note that this formula must match the actual arithmetic encoder
* and decoder implementation. The implementation has to be changed
* if this formula is changed.
* The current organization is leaned on Markus Kuhn's JBIG
* implementation (jbig_tab.c).
*/
#define V(i,a,b,c,d) (((INT32)a << 16) | ((INT32)c << 8) | ((INT32)d << 7) | b)
const INT32 jpeg_aritab[113+1] = {
/*
* Index, Qe_Value, Next_Index_LPS, Next_Index_MPS, Switch_MPS
*/
V( 0, 0x5a1d, 1, 1, 1 ),
V( 1, 0x2586, 14, 2, 0 ),
V( 2, 0x1114, 16, 3, 0 ),
V( 3, 0x080b, 18, 4, 0 ),
V( 4, 0x03d8, 20, 5, 0 ),
V( 5, 0x01da, 23, 6, 0 ),
V( 6, 0x00e5, 25, 7, 0 ),
V( 7, 0x006f, 28, 8, 0 ),
V( 8, 0x0036, 30, 9, 0 ),
V( 9, 0x001a, 33, 10, 0 ),
V( 10, 0x000d, 35, 11, 0 ),
V( 11, 0x0006, 9, 12, 0 ),
V( 12, 0x0003, 10, 13, 0 ),
V( 13, 0x0001, 12, 13, 0 ),
V( 14, 0x5a7f, 15, 15, 1 ),
V( 15, 0x3f25, 36, 16, 0 ),
V( 16, 0x2cf2, 38, 17, 0 ),
V( 17, 0x207c, 39, 18, 0 ),
V( 18, 0x17b9, 40, 19, 0 ),
V( 19, 0x1182, 42, 20, 0 ),
V( 20, 0x0cef, 43, 21, 0 ),
V( 21, 0x09a1, 45, 22, 0 ),
V( 22, 0x072f, 46, 23, 0 ),
V( 23, 0x055c, 48, 24, 0 ),
V( 24, 0x0406, 49, 25, 0 ),
V( 25, 0x0303, 51, 26, 0 ),
V( 26, 0x0240, 52, 27, 0 ),
V( 27, 0x01b1, 54, 28, 0 ),
V( 28, 0x0144, 56, 29, 0 ),
V( 29, 0x00f5, 57, 30, 0 ),
V( 30, 0x00b7, 59, 31, 0 ),
V( 31, 0x008a, 60, 32, 0 ),
V( 32, 0x0068, 62, 33, 0 ),
V( 33, 0x004e, 63, 34, 0 ),
V( 34, 0x003b, 32, 35, 0 ),
V( 35, 0x002c, 33, 9, 0 ),
V( 36, 0x5ae1, 37, 37, 1 ),
V( 37, 0x484c, 64, 38, 0 ),
V( 38, 0x3a0d, 65, 39, 0 ),
V( 39, 0x2ef1, 67, 40, 0 ),
V( 40, 0x261f, 68, 41, 0 ),
V( 41, 0x1f33, 69, 42, 0 ),
V( 42, 0x19a8, 70, 43, 0 ),
V( 43, 0x1518, 72, 44, 0 ),
V( 44, 0x1177, 73, 45, 0 ),
V( 45, 0x0e74, 74, 46, 0 ),
V( 46, 0x0bfb, 75, 47, 0 ),
V( 47, 0x09f8, 77, 48, 0 ),
V( 48, 0x0861, 78, 49, 0 ),
V( 49, 0x0706, 79, 50, 0 ),
V( 50, 0x05cd, 48, 51, 0 ),
V( 51, 0x04de, 50, 52, 0 ),
V( 52, 0x040f, 50, 53, 0 ),
V( 53, 0x0363, 51, 54, 0 ),
V( 54, 0x02d4, 52, 55, 0 ),
V( 55, 0x025c, 53, 56, 0 ),
V( 56, 0x01f8, 54, 57, 0 ),
V( 57, 0x01a4, 55, 58, 0 ),
V( 58, 0x0160, 56, 59, 0 ),
V( 59, 0x0125, 57, 60, 0 ),
V( 60, 0x00f6, 58, 61, 0 ),
V( 61, 0x00cb, 59, 62, 0 ),
V( 62, 0x00ab, 61, 63, 0 ),
V( 63, 0x008f, 61, 32, 0 ),
V( 64, 0x5b12, 65, 65, 1 ),
V( 65, 0x4d04, 80, 66, 0 ),
V( 66, 0x412c, 81, 67, 0 ),
V( 67, 0x37d8, 82, 68, 0 ),
V( 68, 0x2fe8, 83, 69, 0 ),
V( 69, 0x293c, 84, 70, 0 ),
V( 70, 0x2379, 86, 71, 0 ),
V( 71, 0x1edf, 87, 72, 0 ),
V( 72, 0x1aa9, 87, 73, 0 ),
V( 73, 0x174e, 72, 74, 0 ),
V( 74, 0x1424, 72, 75, 0 ),
V( 75, 0x119c, 74, 76, 0 ),
V( 76, 0x0f6b, 74, 77, 0 ),
V( 77, 0x0d51, 75, 78, 0 ),
V( 78, 0x0bb6, 77, 79, 0 ),
V( 79, 0x0a40, 77, 48, 0 ),
V( 80, 0x5832, 80, 81, 1 ),
V( 81, 0x4d1c, 88, 82, 0 ),
V( 82, 0x438e, 89, 83, 0 ),
V( 83, 0x3bdd, 90, 84, 0 ),
V( 84, 0x34ee, 91, 85, 0 ),
V( 85, 0x2eae, 92, 86, 0 ),
V( 86, 0x299a, 93, 87, 0 ),
V( 87, 0x2516, 86, 71, 0 ),
V( 88, 0x5570, 88, 89, 1 ),
V( 89, 0x4ca9, 95, 90, 0 ),
V( 90, 0x44d9, 96, 91, 0 ),
V( 91, 0x3e22, 97, 92, 0 ),
V( 92, 0x3824, 99, 93, 0 ),
V( 93, 0x32b4, 99, 94, 0 ),
V( 94, 0x2e17, 93, 86, 0 ),
V( 95, 0x56a8, 95, 96, 1 ),
V( 96, 0x4f46, 101, 97, 0 ),
V( 97, 0x47e5, 102, 98, 0 ),
V( 98, 0x41cf, 103, 99, 0 ),
V( 99, 0x3c3d, 104, 100, 0 ),
V( 100, 0x375e, 99, 93, 0 ),
V( 101, 0x5231, 105, 102, 0 ),
V( 102, 0x4c0f, 106, 103, 0 ),
V( 103, 0x4639, 107, 104, 0 ),
V( 104, 0x415e, 103, 99, 0 ),
V( 105, 0x5627, 105, 106, 1 ),
V( 106, 0x50e7, 108, 107, 0 ),
V( 107, 0x4b85, 109, 103, 0 ),
V( 108, 0x5597, 110, 109, 0 ),
V( 109, 0x504f, 111, 107, 0 ),
V( 110, 0x5a10, 110, 111, 1 ),
V( 111, 0x5522, 112, 109, 0 ),
V( 112, 0x59eb, 112, 111, 1 ),
/*
* This last entry is used for fixed probability estimate of 0.5
* as recommended in Section 10.3 Table 5 of ITU-T Rec. T.851.
*/
V( 113, 0x5a1d, 113, 113, 0 )
};

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set(JAR_FILE turbojpeg.jar)
set(MANIFEST_FILE ${CMAKE_CURRENT_SOURCE_DIR}/MANIFEST.MF)
set(JAVA_CLASSNAMES org/libjpegturbo/turbojpeg/TJ
org/libjpegturbo/turbojpeg/TJCompressor
org/libjpegturbo/turbojpeg/TJCustomFilter
org/libjpegturbo/turbojpeg/TJDecompressor
org/libjpegturbo/turbojpeg/TJScalingFactor
org/libjpegturbo/turbojpeg/TJTransform
org/libjpegturbo/turbojpeg/TJTransformer
TJUnitTest
TJExample
TJBench)
if(MSVC_IDE)
set(OBJDIR "${CMAKE_CURRENT_BINARY_DIR}/$(OutDir)")
else()
set(OBJDIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
set(TURBOJPEG_DLL_NAME "turbojpeg")
if(MINGW)
set(TURBOJPEG_DLL_NAME "libturbojpeg")
endif()
configure_file(org/libjpegturbo/turbojpeg/TJLoader.java.in
${CMAKE_CURRENT_BINARY_DIR}/org/libjpegturbo/turbojpeg/TJLoader.java)
set(JAVA_SOURCES "")
set(JAVA_CLASSES "")
set(JAVA_CLASSES_FULL "")
foreach(class ${JAVA_CLASSNAMES})
set(JAVA_SOURCES ${JAVA_SOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/${class}.java)
set(JAVA_CLASSES ${JAVA_CLASSES} ${class}.class)
set(JAVA_CLASSES_FULL ${JAVA_CLASSES_FULL} ${OBJDIR}/${class}.class)
endforeach()
set(JAVA_SOURCES ${JAVA_SOURCES}
${CMAKE_CURRENT_BINARY_DIR}/org/libjpegturbo/turbojpeg/TJLoader.java)
set(JAVA_CLASSES ${JAVA_CLASSES}
org/libjpegturbo/turbojpeg/TJLoader.class)
set(JAVA_CLASSES_FULL ${JAVA_CLASSES_FULL}
${OBJDIR}/org/libjpegturbo/turbojpeg/TJLoader.class)
string(REGEX REPLACE " " ";" JAVACFLAGS "${JAVACFLAGS}")
add_custom_command(OUTPUT ${JAVA_CLASSES_FULL} DEPENDS ${JAVA_SOURCES}
COMMAND ${JAVA_COMPILE} ARGS ${JAVACFLAGS} -d ${OBJDIR} ${JAVA_SOURCES})
add_custom_command(OUTPUT ${JAR_FILE} DEPENDS ${JAVA_CLASSES_FULL}
${MANIFEST_FILE}
COMMAND ${JAVA_ARCHIVE} cfm ${JAR_FILE} ${MANIFEST_FILE} ${JAVA_CLASSES}
WORKING_DIRECTORY ${OBJDIR})
add_custom_target(java ALL DEPENDS ${JAR_FILE})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${JAR_FILE} DESTINATION classes)

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Manifest-Version: 1.0
Main-Class: TJExample

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JAVAROOT = .
JAVASOURCES = org/libjpegturbo/turbojpeg/TJ.java \
org/libjpegturbo/turbojpeg/TJCompressor.java \
org/libjpegturbo/turbojpeg/TJCustomFilter.java \
org/libjpegturbo/turbojpeg/TJDecompressor.java \
org/libjpegturbo/turbojpeg/TJLoader.java \
org/libjpegturbo/turbojpeg/TJScalingFactor.java \
org/libjpegturbo/turbojpeg/TJTransform.java \
org/libjpegturbo/turbojpeg/TJTransformer.java \
TJExample.java \
TJUnitTest.java \
TJBench.java
JNIHEADERS = org_libjpegturbo_turbojpeg_TJ.h \
org_libjpegturbo_turbojpeg_TJCompressor.h \
org_libjpegturbo_turbojpeg_TJDecompressor.h \
org_libjpegturbo_turbojpeg_TJTransformer.h
if WITH_JAVA
dist_noinst_JAVA = ${JAVASOURCES}
JAVA_CLASSES = org/libjpegturbo/turbojpeg/TJ.class \
org/libjpegturbo/turbojpeg/TJCompressor.class \
org/libjpegturbo/turbojpeg/TJCustomFilter.class \
org/libjpegturbo/turbojpeg/TJDecompressor.class \
org/libjpegturbo/turbojpeg/TJLoader.class \
org/libjpegturbo/turbojpeg/TJScalingFactor.class \
org/libjpegturbo/turbojpeg/TJTransform.class \
org/libjpegturbo/turbojpeg/TJTransformer.class \
TJExample.class \
TJUnitTest.class \
TJBench.class
all: all-am turbojpeg.jar
turbojpeg.jar: $(JAVA_CLASSES) ${srcdir}/MANIFEST.MF
$(JAR) cfm turbojpeg.jar ${srcdir}/MANIFEST.MF $(JAVA_CLASSES)
clean-local:
rm -f turbojpeg.jar
install-exec-local: turbojpeg.jar
mkdir -p $(DESTDIR)/$(prefix)/classes
$(INSTALL) -m 644 turbojpeg.jar $(DESTDIR)/$(prefix)/classes/
uninstall-local:
rm -f $(DESTDIR)/$(prefix)/classes/turbojpeg.jar
if [ -d $(DESTDIR)/$(prefix)/classes ]; then rmdir $(DESTDIR)/$(prefix)/classes; fi
headers: all
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJ; \
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJCompressor; \
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJDecompressor; \
javah -d ${srcdir} org.libjpegturbo.turbojpeg.TJTransformer
docs: all
mkdir -p ${srcdir}/doc; \
javadoc -d ${srcdir}/doc -sourcepath ${srcdir} org.libjpegturbo.turbojpeg
endif
EXTRA_DIST = MANIFEST.MF ${JAVASOURCES} ${JNIHEADERS} doc CMakeLists.txt \
org/libjpegturbo/turbojpeg/TJLoader.java.in

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TurboJPEG Java Wrapper
======================
The TurboJPEG shared library can optionally be built with a Java Native
Interface wrapper, which allows the library to be loaded and used directly from
Java applications. The Java front end for this is defined in several classes
located under org/libjpegturbo/turbojpeg. The source code for these Java
classes is licensed under a BSD-style license, so the files can be incorporated
directly into both open source and proprietary projects without restriction. A
Java archive (JAR) file containing these classes is also shipped with the
"official" distribution packages of libjpeg-turbo.
TJExample.java, which should also be located in the same directory as this
README file, demonstrates how to use the TurboJPEG Java API to compress and
decompress JPEG images in memory.
Performance Pitfalls
--------------------
The TurboJPEG Java API defines several convenience methods that can allocate
image buffers or instantiate classes to hold the result of compress,
decompress, or transform operations. However, if you use these methods, then
be mindful of the amount of new data you are creating on the heap. It may be
necessary to manually invoke the garbage collector to prevent heap exhaustion
or to prevent performance degradation. Background garbage collection can kill
performance, particularly in a multi-threaded environment (Java pauses all
threads when the GC runs.)
The TurboJPEG Java API always gives you the option of pre-allocating your own
source and destination buffers, which allows you to re-use those buffers for
compressing/decompressing multiple images. If the image sequence you are
compressing or decompressing consists of images of the same size, then
pre-allocating the buffers is recommended.
Installation Directory
----------------------
If the TurboJPEG JNI library (libturbojpeg.so, libturbojpeg.jnilib, or
turbojpeg.dll) is not installed under a system library directory or under a
directory specified in LD_LIBRARY_PATH (Unix) or PATH (Windows), then you will
need to pass an argument of -Djava.library.path={path_to_JNI_library} to java.

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/*
* Copyright (C)2009-2012 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.*;
import java.awt.image.*;
import javax.imageio.*;
import java.util.*;
import org.libjpegturbo.turbojpeg.*;
class TJBench
{
static final int YUVENCODE = 1;
static final int YUVDECODE = 2;
static int flags = 0, yuv = 0, quiet = 0, pf = TJ.PF_BGR;
static boolean decompOnly, doTile;
static final String pixFormatStr[] = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY"
};
static final String subNameLong[] = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
static final String subName[] = {
"444", "422", "420", "GRAY", "440"
};
static TJScalingFactor sf;
static int nsf = 0;
static int xformOp = TJTransform.OP_NONE, xformOpt = 0;
static double benchTime = 5.0;
static final double getTime()
{
return (double)System.nanoTime() / 1.0e9;
}
static String sigFig(double val, int figs)
{
String format;
int digitsAfterDecimal = figs - (int)Math.ceil(Math.log10(Math.abs(val)));
if (digitsAfterDecimal < 1)
format = new String("%.0f");
else
format = new String("%." + digitsAfterDecimal + "f");
return String.format(format, val);
}
static byte[] loadImage(String fileName, int[] w, int[] h, int pf)
throws Exception
{
BufferedImage img = ImageIO.read(new File(fileName));
if (img == null)
throw new Exception("Could not read " + fileName);
w[0] = img.getWidth();
h[0] = img.getHeight();
int rgb[] = img.getRGB(0, 0, w[0], h[0], null, 0, w[0]);
int ps = TJ.getPixelSize(pf);
int rindex = TJ.getRedOffset(pf);
int gindex = TJ.getGreenOffset(pf);
int bindex = TJ.getBlueOffset(pf);
byte[] dstBuf = new byte[w[0] * h[0] * ps];
int pixels = w[0] * h[0], dstPtr = 0, rgbPtr = 0;
while (pixels-- > 0) {
dstBuf[dstPtr + rindex] = (byte)((rgb[rgbPtr] >> 16) & 0xff);
dstBuf[dstPtr + gindex] = (byte)((rgb[rgbPtr] >> 8) & 0xff);
dstBuf[dstPtr + bindex] = (byte)(rgb[rgbPtr] & 0xff);
dstPtr += ps;
rgbPtr++;
}
return dstBuf;
}
static void saveImage(String fileName, byte[] srcBuf, int w, int h, int pf)
throws Exception
{
BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
int pixels = w * h, srcPtr = 0;
int ps = TJ.getPixelSize(pf);
int rindex = TJ.getRedOffset(pf);
int gindex = TJ.getGreenOffset(pf);
int bindex = TJ.getBlueOffset(pf);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++, srcPtr += ps) {
int pixel = (srcBuf[srcPtr + rindex] & 0xff) << 16 |
(srcBuf[srcPtr + gindex] & 0xff) << 8 |
(srcBuf[srcPtr + bindex] & 0xff);
img.setRGB(x, y, pixel);
}
}
ImageIO.write(img, "bmp", new File(fileName));
}
/* Decompression test */
static void decompTest(byte[] srcBuf, byte[][] jpegBuf, int[] jpegSize,
byte[] dstBuf, int w, int h, int subsamp,
int jpegQual, String fileName, int tilew, int tileh)
throws Exception
{
String qualStr = new String(""), sizeStr, tempStr;
TJDecompressor tjd;
double start, elapsed;
int ps = TJ.getPixelSize(pf), i;
int yuvSize = TJ.bufSizeYUV(w, h, subsamp), bufsize;
int scaledw = (yuv == YUVDECODE) ? w : sf.getScaled(w);
int scaledh = (yuv == YUVDECODE) ? h : sf.getScaled(h);
int pitch = scaledw * ps;
if (jpegQual > 0)
qualStr = new String("_Q" + jpegQual);
tjd = new TJDecompressor();
int bufSize = (yuv == YUVDECODE ? yuvSize : pitch * scaledh);
if (dstBuf == null)
dstBuf = new byte[bufSize];
/* Set the destination buffer to gray so we know whether the decompressor
attempted to write to it */
Arrays.fill(dstBuf, (byte)127);
/* Execute once to preload cache */
tjd.setJPEGImage(jpegBuf[0], jpegSize[0]);
if (yuv == YUVDECODE)
tjd.decompressToYUV(dstBuf, flags);
else
tjd.decompress(dstBuf, scaledw, pitch, scaledh, pf, flags);
/* Benchmark */
for (i = 0, start = getTime(); (elapsed = getTime() - start) < benchTime;
i++) {
int tile=0;
if (yuv == YUVDECODE)
tjd.decompressToYUV(dstBuf, flags);
else {
for (int y = 0; y < h; y += tileh) {
for (int x = 0; x < w; x += tilew, tile++) {
int width = doTile ? Math.min(tilew, w - x) : scaledw;
int height = doTile ? Math.min(tileh, h - y) : scaledh;
tjd.setJPEGImage(jpegBuf[tile], jpegSize[tile]);
tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags);
}
}
}
}
tjd = null;
System.gc();
if (quiet != 0)
System.out.println(
sigFig((double)(w * h) / 1000000. * (double)i / elapsed, 4));
else {
System.out.format("D--> Frame rate: %f fps\n",
(double)i / elapsed);
System.out.format(" Dest. throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)i / elapsed);
}
if (yuv == YUVDECODE) {
tempStr = fileName + "_" + subName[subsamp] + qualStr + ".yuv";
FileOutputStream fos = new FileOutputStream(tempStr);
fos.write(dstBuf, 0, yuvSize);
fos.close();
} else {
if (sf.getNum() != 1 || sf.getDenom() != 1)
sizeStr = new String(sf.getNum() + "_" + sf.getDenom());
else if (tilew != w || tileh != h)
sizeStr = new String(tilew + "x" + tileh);
else
sizeStr = new String("full");
if (decompOnly)
tempStr = new String(fileName + "_" + sizeStr + ".bmp");
else
tempStr = new String(fileName + "_" + subName[subsamp] + qualStr +
"_" + sizeStr + ".bmp");
saveImage(tempStr, dstBuf, scaledw, scaledh, pf);
int ndx = tempStr.indexOf('.');
tempStr = new String(tempStr.substring(0, ndx) + "-err.bmp");
if (srcBuf != null && sf.getNum() == 1 && sf.getDenom() == 1) {
if (quiet == 0)
System.out.println("Compression error written to " + tempStr + ".");
if (subsamp == TJ.SAMP_GRAY) {
for (int y = 0, index = 0; y < h; y++, index += pitch) {
for (int x = 0, index2 = index; x < w; x++, index2 += ps) {
int rindex = index2 + TJ.getRedOffset(pf);
int gindex = index2 + TJ.getGreenOffset(pf);
int bindex = index2 + TJ.getBlueOffset(pf);
int lum = (int)((double)(srcBuf[rindex] & 0xff) * 0.299 +
(double)(srcBuf[gindex] & 0xff) * 0.587 +
(double)(srcBuf[bindex] & 0xff) * 0.114 + 0.5);
if (lum > 255) lum = 255; if (lum < 0) lum = 0;
dstBuf[rindex] = (byte)Math.abs((dstBuf[rindex] & 0xff) - lum);
dstBuf[gindex] = (byte)Math.abs((dstBuf[gindex] & 0xff) - lum);
dstBuf[bindex] = (byte)Math.abs((dstBuf[bindex] & 0xff) - lum);
}
}
} else {
for (int y = 0; y < h; y++)
for (int x = 0; x < w * ps; x++)
dstBuf[pitch * y + x] =
(byte)Math.abs((dstBuf[pitch * y + x] & 0xff) -
(srcBuf[pitch * y + x] & 0xff));
}
saveImage(tempStr, dstBuf, w, h, pf);
}
}
}
static void doTestYUV(byte[] srcBuf, int w, int h, int subsamp,
String fileName) throws Exception
{
TJCompressor tjc;
byte[] dstBuf;
double start, elapsed;
int ps = TJ.getPixelSize(pf), i;
int yuvSize = 0;
yuvSize = TJ.bufSizeYUV(w, h, subsamp);
dstBuf = new byte[yuvSize];
if (quiet == 0)
System.out.format(">>>>> %s (%s) <--> YUV %s <<<<<\n",
pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down",
subNameLong[subsamp]);
if (quiet == 1)
System.out.format("%s\t%s\t%s\tN/A\t", pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
subNameLong[subsamp]);
tjc = new TJCompressor(srcBuf, w, 0, h, pf);
tjc.setSubsamp(subsamp);
/* Execute once to preload cache */
tjc.encodeYUV(dstBuf, flags);
/* Benchmark */
for (i = 0, start = getTime();
(elapsed = getTime() - start) < benchTime; i++)
tjc.encodeYUV(dstBuf, flags);
if (quiet == 1)
System.out.format("%-4d %-4d\t", w, h);
if (quiet != 0) {
System.out.format("%s%c%s%c",
sigFig((double)(w * h) / 1000000. * (double) i / elapsed, 4),
quiet == 2 ? '\n' : '\t',
sigFig((double)(w * h * ps) / (double)yuvSize, 4),
quiet == 2 ? '\n' : '\t');
} else {
System.out.format("\n%s size: %d x %d\n", "Image", w, h);
System.out.format("C--> Frame rate: %f fps\n",
(double)i / elapsed);
System.out.format(" Output image size: %d bytes\n", yuvSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)yuvSize);
System.out.format(" Source throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)i / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)yuvSize * 8. / 1000000. * (double)i / elapsed);
}
String tempStr = fileName + "_" + subName[subsamp] + ".yuv";
FileOutputStream fos = new FileOutputStream(tempStr);
fos.write(dstBuf, 0, yuvSize);
fos.close();
if (quiet == 0)
System.out.println("Reference image written to " + tempStr);
}
static void doTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual,
String fileName) throws Exception
{
TJCompressor tjc;
byte[] tmpBuf;
byte[][] jpegBuf;
int[] jpegSize;
double start, elapsed;
int totalJpegSize = 0, tilew, tileh, i;
int ps = TJ.getPixelSize(pf), ntilesw = 1, ntilesh = 1, pitch = w * ps;
if (yuv == YUVENCODE) {
doTestYUV(srcBuf, w, h, subsamp, fileName);
return;
}
tmpBuf = new byte[pitch * h];
if (quiet == 0)
System.out.format(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n",
pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down",
subNameLong[subsamp], jpegQual);
tjc = new TJCompressor();
for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ;
tilew *= 2, tileh *= 2) {
if (tilew > w)
tilew = w;
if (tileh > h)
tileh = h;
ntilesw = (w + tilew - 1) / tilew;
ntilesh = (h + tileh - 1) / tileh;
jpegBuf = new byte[ntilesw * ntilesh][TJ.bufSize(tilew, tileh, subsamp)];
jpegSize = new int[ntilesw * ntilesh];
/* Compression test */
if (quiet == 1)
System.out.format("%s\t%s\t%s\t%d\t", pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
subNameLong[subsamp], jpegQual);
for (i = 0; i < h; i++)
System.arraycopy(srcBuf, w * ps * i, tmpBuf, pitch * i, w * ps);
tjc.setSourceImage(srcBuf, tilew, pitch, tileh, pf);
tjc.setJPEGQuality(jpegQual);
tjc.setSubsamp(subsamp);
/* Execute once to preload cache */
tjc.compress(jpegBuf[0], flags);
/* Benchmark */
for (i = 0, start = getTime();
(elapsed = getTime() - start) < benchTime; i++) {
int tile = 0;
totalJpegSize = 0;
for (int y = 0; y < h; y += tileh) {
for (int x = 0; x < w; x += tilew, tile++) {
int width = Math.min(tilew, w - x);
int height = Math.min(tileh, h - y);
tjc.setSourceImage(srcBuf, x, y, width, pitch, height, pf);
tjc.compress(jpegBuf[tile], flags);
jpegSize[tile] = tjc.getCompressedSize();
totalJpegSize += jpegSize[tile];
}
}
}
if (quiet == 1)
System.out.format("%-4d %-4d\t", tilew, tileh);
if (quiet != 0) {
System.out.format("%s%c%s%c",
sigFig((double)(w * h) / 1000000. * (double) i / elapsed, 4),
quiet == 2 ? '\n' : '\t',
sigFig((double)(w * h * ps) / (double)totalJpegSize, 4),
quiet == 2 ? '\n' : '\t');
} else {
System.out.format("\n%s size: %d x %d\n", doTile ? "Tile" : "Image",
tilew, tileh);
System.out.format("C--> Frame rate: %f fps\n",
(double)i / elapsed);
System.out.format(" Output image size: %d bytes\n",
totalJpegSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)totalJpegSize);
System.out.format(" Source throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)i / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)totalJpegSize * 8. / 1000000. * (double)i / elapsed);
}
if (tilew == w && tileh == h) {
String tempStr = fileName + "_" + subName[subsamp] + "_" + "Q" +
jpegQual + ".jpg";
FileOutputStream fos = new FileOutputStream(tempStr);
fos.write(jpegBuf[0], 0, jpegSize[0]);
fos.close();
if (quiet == 0)
System.out.println("Reference image written to " + tempStr);
}
/* Decompression test */
decompTest(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual,
fileName, tilew, tileh);
for (i = 0; i < ntilesw * ntilesh; i++)
jpegBuf[i] = null;
jpegBuf = null; jpegSize = null;
System.gc();
if (tilew == w && tileh == h) break;
}
}
static void doDecompTest(String fileName) throws Exception
{
TJTransformer tjt;
byte[][] jpegBuf;
byte[] srcBuf;
int[] jpegSize;
int totalJpegSize;
int w = 0, h = 0, subsamp = -1, _w, _h, _tilew, _tileh,
_ntilesw, _ntilesh, _subsamp, x, y;
int ntilesw = 1, ntilesh = 1;
double start, elapsed;
int ps = TJ.getPixelSize(pf), tile;
FileInputStream fis = new FileInputStream(fileName);
int srcSize = (int)fis.getChannel().size();
srcBuf = new byte[srcSize];
fis.read(srcBuf, 0, srcSize);
fis.close();
int index = fileName.indexOf('.');
if (index >= 0)
fileName = new String(fileName.substring(0, index));
tjt = new TJTransformer();
tjt.setJPEGImage(srcBuf, srcSize);
w = tjt.getWidth();
h = tjt.getHeight();
subsamp = tjt.getSubsamp();
if (quiet == 1) {
System.out.println("All performance values in Mpixels/sec\n");
System.out.format("Bitmap\tBitmap\tJPEG\t%s %s \tXform\tComp\tDecomp\n",
(doTile ? "Tile " : "Image"),
(doTile ? "Tile " : "Image"));
System.out.println("Format\tOrder\tSubsamp\tWidth Height\tPerf \tRatio\tPerf\n");
} else if (quiet == 0) {
System.out.format(">>>>> JPEG %s --> %s (%s) <<<<<",
subNameLong[subsamp], pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down");
}
for (int tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ;
tilew *= 2, tileh *= 2) {
if (tilew > w)
tilew = w;
if (tileh > h)
tileh = h;
ntilesw = (w + tilew - 1) / tilew;
ntilesh = (h + tileh - 1) / tileh;
_w = w; _h = h; _tilew = tilew; _tileh = tileh;
if (quiet == 0) {
System.out.format("\n%s size: %d x %d", (doTile ? "Tile" : "Image"),
_tilew, _tileh);
if (sf.getNum() != 1 || sf.getDenom() != 1)
System.out.format(" --> %d x %d", sf.getScaled(_w),
sf.getScaled(_h));
System.out.println("");
} else if (quiet==1) {
System.out.format("%s\t%s\t%s\t", pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
subNameLong[subsamp]);
System.out.format("%-4d %-4d\t", tilew, tileh);
}
_subsamp = subsamp;
if (doTile || xformOp != TJTransform.OP_NONE || xformOpt != 0) {
if (xformOp == TJTransform.OP_TRANSPOSE ||
xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT90 ||
xformOp == TJTransform.OP_ROT270) {
_w = h; _h = w; _tilew = tileh; _tileh = tilew;
}
if ((xformOpt & TJTransform.OPT_GRAY) != 0)
_subsamp = TJ.SAMP_GRAY;
if (xformOp == TJTransform.OP_HFLIP ||
xformOp == TJTransform.OP_ROT180)
_w = _w - (_w % TJ.getMCUWidth(_subsamp));
if (xformOp == TJTransform.OP_VFLIP ||
xformOp == TJTransform.OP_ROT180)
_h = _h - (_h % TJ.getMCUHeight(_subsamp));
if (xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT90)
_w = _w - (_w % TJ.getMCUHeight(_subsamp));
if (xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT270)
_h = _h - (_h % TJ.getMCUWidth(_subsamp));
_ntilesw = (_w + _tilew - 1) / _tilew;
_ntilesh = (_h + _tileh - 1) / _tileh;
TJTransform t[] = new TJTransform[_ntilesw * _ntilesh];
jpegBuf = new byte[_ntilesw * _ntilesh][TJ.bufSize(_tilew, _tileh, subsamp)];
for (y = 0, tile = 0; y < _h; y += _tileh) {
for (x = 0; x < _w; x += _tilew, tile++) {
t[tile] = new TJTransform();
t[tile].width = Math.min(_tilew, _w - x);
t[tile].height = Math.min(_tileh, _h - y);
t[tile].x = x;
t[tile].y = y;
t[tile].op = xformOp;
t[tile].options = xformOpt | TJTransform.OPT_TRIM;
if ((t[tile].options & TJTransform.OPT_NOOUTPUT) != 0 &&
jpegBuf[tile] != null)
jpegBuf[tile] = null;
}
}
start = getTime();
tjt.transform(jpegBuf, t, flags);
jpegSize = tjt.getTransformedSizes();
elapsed = getTime() - start;
t = null;
for (tile = 0, totalJpegSize = 0; tile < _ntilesw * _ntilesh; tile++)
totalJpegSize += jpegSize[tile];
if (quiet != 0) {
System.out.format("%s%c%s%c",
sigFig((double)(w * h) / 1000000. / elapsed, 4),
quiet == 2 ? '\n' : '\t',
sigFig((double)(w * h * ps) / (double)totalJpegSize, 4),
quiet == 2 ? '\n' : '\t');
} else if (quiet == 0) {
System.out.format("X--> Frame rate: %f fps\n",
1.0 / elapsed);
System.out.format(" Output image size: %lu bytes\n",
totalJpegSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)totalJpegSize);
System.out.format(" Source throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)totalJpegSize * 8. / 1000000. / elapsed);
}
} else {
if (quiet == 1)
System.out.print("N/A\tN/A\t");
jpegBuf = new byte[1][TJ.bufSize(_tilew, _tileh, subsamp)];
jpegSize = new int[1];
jpegSize[0] = srcSize;
System.arraycopy(srcBuf, 0, jpegBuf[0], 0, srcSize);
}
if (w == tilew)
_tilew = _w;
if (h == tileh)
_tileh = _h;
if ((xformOpt & TJTransform.OPT_NOOUTPUT) == 0)
decompTest(null, jpegBuf, jpegSize, null, _w, _h, _subsamp, 0,
fileName, _tilew, _tileh);
else if (quiet == 1)
System.out.println("N/A");
jpegBuf = null;
jpegSize = null;
if (tilew == w && tileh == h) break;
}
}
static void usage() throws Exception
{
int i;
TJScalingFactor scalingFactors[] = TJ.getScalingFactors();
int nsf = scalingFactors.length;
String className = new TJBench().getClass().getName();
System.out.println("\nUSAGE: java " + className);
System.out.println(" <Inputfile (BMP)> <Quality> [options]\n");
System.out.println(" java " + className);
System.out.println(" <Inputfile (JPG)> [options]\n");
System.out.println("Options:\n");
System.out.println("-alloc = Dynamically allocate JPEG image buffers");
System.out.println("-bottomup = Test bottom-up compression/decompression");
System.out.println("-tile = Test performance of the codec when the image is encoded as separate");
System.out.println(" tiles of varying sizes.");
System.out.println("-forcemmx, -forcesse, -forcesse2, -forcesse3 =");
System.out.println(" Force MMX, SSE, SSE2, or SSE3 code paths in the underlying codec");
System.out.println("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =");
System.out.println(" Test the specified color conversion path in the codec (default: BGR)");
System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in");
System.out.println(" the underlying codec");
System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying");
System.out.println(" codec");
System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the");
System.out.println(" underlying codec");
System.out.println("-quiet = Output results in tabular rather than verbose format");
System.out.println("-yuvencode = Encode RGB input as planar YUV rather than compressing as JPEG");
System.out.println("-yuvdecode = Decode JPEG image to planar YUV rather than RGB");
System.out.println("-scale M/N = scale down the width/height of the decompressed JPEG image by a");
System.out.print (" factor of M/N (M/N = ");
for (i = 0; i < nsf; i++) {
System.out.format("%d/%d", scalingFactors[i].getNum(),
scalingFactors[i].getDenom());
if (nsf == 2 && i != nsf - 1)
System.out.print(" or ");
else if (nsf > 2) {
if (i != nsf - 1)
System.out.print(", ");
if (i == nsf - 2)
System.out.print("or ");
}
if (i % 8 == 0 && i != 0)
System.out.print("\n ");
}
System.out.println(")");
System.out.println("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =");
System.out.println(" Perform the corresponding lossless transform prior to");
System.out.println(" decompression (these options are mutually exclusive)");
System.out.println("-grayscale = Perform lossless grayscale conversion prior to decompression");
System.out.println(" test (can be combined with the other transforms above)");
System.out.println("-benchTime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
System.out.println("NOTE: If the quality is specified as a range (e.g. 90-100), a separate");
System.out.println("test will be performed for all quality values in the range.\n");
System.exit(1);
}
public static void main(String argv[])
{
byte[] srcBuf = null; int w = 0, h = 0;
int minQual = -1, maxQual = -1;
int minArg = 1; int retval = 0;
try {
if (argv.length < minArg)
usage();
String tempStr = argv[0].toLowerCase();
if (tempStr.endsWith(".jpg") || tempStr.endsWith(".jpeg"))
decompOnly = true;
System.out.println("");
if (argv.length > minArg) {
for (int i = minArg; i < argv.length; i++) {
if (argv[i].equalsIgnoreCase("-yuvencode")) {
System.out.println("Testing YUV planar encoding\n");
yuv = YUVENCODE; maxQual = minQual = 100;
}
if (argv[i].equalsIgnoreCase("-yuvdecode")) {
System.out.println("Testing YUV planar decoding\n");
yuv = YUVDECODE;
}
}
}
if (!decompOnly && yuv != YUVENCODE) {
minArg = 2;
if (argv.length < minArg)
usage();
try {
minQual = Integer.parseInt(argv[1]);
} catch (NumberFormatException e) {}
if (minQual < 1 || minQual > 100)
throw new Exception("Quality must be between 1 and 100.");
int dashIndex = argv[1].indexOf('-');
if (dashIndex > 0 && argv[1].length() > dashIndex + 1) {
try {
maxQual = Integer.parseInt(argv[1].substring(dashIndex + 1));
} catch (NumberFormatException e) {}
}
if (maxQual < 1 || maxQual > 100)
maxQual = minQual;
}
if (argv.length > minArg) {
for (int i = minArg; i < argv.length; i++) {
if (argv[i].equalsIgnoreCase("-tile")) {
doTile = true; xformOpt |= TJTransform.OPT_CROP;
}
if (argv[i].equalsIgnoreCase("-forcesse3")) {
System.out.println("Forcing SSE3 code\n");
flags |= TJ.FLAG_FORCESSE3;
}
if (argv[i].equalsIgnoreCase("-forcesse2")) {
System.out.println("Forcing SSE2 code\n");
flags |= TJ.FLAG_FORCESSE2;
}
if (argv[i].equalsIgnoreCase("-forcesse")) {
System.out.println("Forcing SSE code\n");
flags |= TJ.FLAG_FORCESSE;
}
if (argv[i].equalsIgnoreCase("-forcemmx")) {
System.out.println("Forcing MMX code\n");
flags |= TJ.FLAG_FORCEMMX;
}
if (argv[i].equalsIgnoreCase("-fastupsample")) {
System.out.println("Using fast upsampling code\n");
flags |= TJ.FLAG_FASTUPSAMPLE;
}
if (argv[i].equalsIgnoreCase("-fastdct")) {
System.out.println("Using fastest DCT/IDCT algorithm\n");
flags |= TJ.FLAG_FASTDCT;
}
if (argv[i].equalsIgnoreCase("-accuratedct")) {
System.out.println("Using most accurate DCT/IDCT algorithm\n");
flags |= TJ.FLAG_ACCURATEDCT;
}
if (argv[i].equalsIgnoreCase("-rgb"))
pf = TJ.PF_RGB;
if (argv[i].equalsIgnoreCase("-rgbx"))
pf = TJ.PF_RGBX;
if (argv[i].equalsIgnoreCase("-bgr"))
pf = TJ.PF_BGR;
if (argv[i].equalsIgnoreCase("-bgrx"))
pf = TJ.PF_BGRX;
if (argv[i].equalsIgnoreCase("-xbgr"))
pf = TJ.PF_XBGR;
if (argv[i].equalsIgnoreCase("-xrgb"))
pf = TJ.PF_XRGB;
if (argv[i].equalsIgnoreCase("-bottomup"))
flags |= TJ.FLAG_BOTTOMUP;
if (argv[i].equalsIgnoreCase("-quiet"))
quiet = 1;
if (argv[i].equalsIgnoreCase("-qq"))
quiet = 2;
if (argv[i].equalsIgnoreCase("-scale") && i < argv.length - 1) {
int temp1 = 0, temp2 = 0;
boolean match = false, scanned = true;
Scanner scanner = new Scanner(argv[++i]).useDelimiter("/");
try {
temp1 = scanner.nextInt();
temp2 = scanner.nextInt();
} catch(Exception e) {}
if (temp2 <= 0) temp2 = 1;
if (temp1 > 0) {
TJScalingFactor scalingFactors[] = TJ.getScalingFactors();
for (int j = 0; j < scalingFactors.length; j++) {
if ((double)temp1 / (double)temp2 ==
(double)scalingFactors[j].getNum() /
(double)scalingFactors[j].getDenom()) {
sf = scalingFactors[j];
match = true; break;
}
}
if (!match) usage();
} else
usage();
}
if (argv[i].equalsIgnoreCase("-hflip"))
xformOp = TJTransform.OP_HFLIP;
if (argv[i].equalsIgnoreCase("-vflip"))
xformOp = TJTransform.OP_VFLIP;
if (argv[i].equalsIgnoreCase("-transpose"))
xformOp = TJTransform.OP_TRANSPOSE;
if (argv[i].equalsIgnoreCase("-transverse"))
xformOp = TJTransform.OP_TRANSVERSE;
if (argv[i].equalsIgnoreCase("-rot90"))
xformOp = TJTransform.OP_ROT90;
if (argv[i].equalsIgnoreCase("-rot180"))
xformOp = TJTransform.OP_ROT180;
if (argv[i].equalsIgnoreCase("-rot270"))
xformOp = TJTransform.OP_ROT270;
if (argv[i].equalsIgnoreCase("-grayscale"))
xformOpt |= TJTransform.OPT_GRAY;
if (argv[i].equalsIgnoreCase("-nooutput"))
xformOpt |= TJTransform.OPT_NOOUTPUT;
if (argv[i].equalsIgnoreCase("-benchtime") && i < argv.length - 1) {
double temp = -1;
try {
temp = Double.parseDouble(argv[++i]);
} catch (NumberFormatException e) {}
if (temp > 0.0)
benchTime = temp;
else
usage();
}
if (argv[i].equalsIgnoreCase("-?"))
usage();
}
}
if (sf == null)
sf = new TJScalingFactor(1, 1);
if ((sf.getNum() != 1 || sf.getDenom() != 1) && doTile) {
System.out.println("Disabling tiled compression/decompression tests, because those tests do not");
System.out.println("work when scaled decompression is enabled.");
doTile = false;
}
if (yuv != 0 && doTile) {
System.out.println("Disabling tiled compression/decompression tests, because those tests do not");
System.out.println("work when YUV encoding or decoding is enabled.\n");
doTile = false;
}
if (!decompOnly) {
int[] width = new int[1], height = new int[1];
srcBuf = loadImage(argv[0], width, height, pf);
w = width[0]; h = height[0];
int index = -1;
if ((index = argv[0].indexOf('.')) >= 0)
argv[0] = argv[0].substring(0, index);
}
if (quiet == 1 && !decompOnly) {
System.out.println("All performance values in Mpixels/sec\n");
System.out.format("Bitmap\tBitmap\tJPEG\tJPEG\t%s %s \tComp\tComp\tDecomp\n",
(doTile ? "Tile " : "Image"), (doTile ? "Tile " : "Image"));
System.out.println("Format\tOrder\tSubsamp\tQual\tWidth Height\tPerf \tRatio\tPerf\n");
}
if (decompOnly) {
doDecompTest(argv[0]);
System.out.println("");
System.exit(retval);
}
System.gc();
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_GRAY, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_420, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_422, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
doTest(srcBuf, w, h, TJ.SAMP_444, i, argv[0]);
System.out.println("");
} catch (Exception e) {
System.out.println("ERROR: " + e.getMessage());
e.printStackTrace();
retval = -1;
}
System.exit(retval);
}
}

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/*
* Copyright (C)2011-2012 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This program demonstrates how to compress and decompress JPEG files using
* the TurboJPEG JNI wrapper
*/
import java.io.*;
import java.awt.*;
import java.awt.image.*;
import java.nio.*;
import javax.imageio.*;
import javax.swing.*;
import org.libjpegturbo.turbojpeg.*;
public class TJExample implements TJCustomFilter {
public static final String classname = new TJExample().getClass().getName();
private static void usage() throws Exception {
System.out.println("\nUSAGE: java " + classname + " <Input file> <Output file> [options]\n");
System.out.println("Input and output files can be any image format that the Java Image I/O");
System.out.println("extensions understand. If either filename ends in a .jpg extension, then");
System.out.println("TurboJPEG will be used to compress or decompress the file.\n");
System.out.println("Options:\n");
System.out.println("-scale M/N = if the input image is a JPEG file, scale the width/height of the");
System.out.print(" output image by a factor of M/N (M/N = ");
for(int i = 0; i < sf.length; i++) {
System.out.print(sf[i].getNum() + "/" + sf[i].getDenom());
if(sf.length == 2 && i != sf.length - 1) System.out.print(" or ");
else if(sf.length > 2) {
if(i != sf.length - 1) System.out.print(", ");
if(i == sf.length - 2) System.out.print("or ");
}
}
System.out.println(")\n");
System.out.println("-samp <444|422|420|gray> = If the output image is a JPEG file, this specifies");
System.out.println(" the level of chrominance subsampling to use when");
System.out.println(" recompressing it. Default is to use the same level");
System.out.println(" of subsampling as the input, if the input is a JPEG");
System.out.println(" file, or 4:4:4 otherwise.\n");
System.out.println("-q <1-100> = If the output image is a JPEG file, this specifies the JPEG");
System.out.println(" quality to use when recompressing it (default = 95).\n");
System.out.println("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =");
System.out.println(" If the input image is a JPEG file, perform the corresponding lossless");
System.out.println(" transform prior to decompression (these options are mutually exclusive)\n");
System.out.println("-grayscale = If the input image is a JPEG file, perform lossless grayscale");
System.out.println(" conversion prior to decompression (can be combined with the other");
System.out.println(" transforms above)\n");
System.out.println("-crop X,Y,WxH = If the input image is a JPEG file, perform lossless cropping");
System.out.println(" prior to decompression. X,Y specifies the upper left corner of the");
System.out.println(" cropping region, and WxH specifies its width and height. X,Y must be");
System.out.println(" evenly divible by the MCU block size (8x8 if the source image was");
System.out.println(" compressed using no subsampling or grayscale, or 16x8 for 4:2:2 or 16x16");
System.out.println(" for 4:2:0.)\n");
System.out.println("-display = Display output image (Output file need not be specified in this");
System.out.println(" case.)\n");
System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in");
System.out.println(" the underlying codec\n");
System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying");
System.out.println(" codec\n");
System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the");
System.out.println(" underlying codec\n");
System.exit(1);
}
private final static String sampName[] = {
"4:4:4", "4:2:2", "4:2:0", "Grayscale", "4:4:0"
};
public static void main(String argv[]) {
BufferedImage img = null; byte[] bmpBuf = null;
TJTransform xform = new TJTransform();
int flags = 0;
try {
sf = TJ.getScalingFactors();
if(argv.length < 2) {
usage();
}
TJScalingFactor scaleFactor = new TJScalingFactor(1, 1);
String inFormat = "jpg", outFormat = "jpg";
int outSubsamp = -1, outQual = 95;
boolean display = false;
if(argv.length > 1) {
for(int i = 1; i < argv.length; i++) {
if(argv[i].length() < 2) continue;
if(argv[i].length() > 2
&& argv[i].substring(0, 3).equalsIgnoreCase("-sc")) {
int match = 0;
if(i < argv.length - 1) {
String[] scaleArg = argv[++i].split("/");
if(scaleArg.length == 2) {
TJScalingFactor tempsf =
new TJScalingFactor(Integer.parseInt(scaleArg[0]),
Integer.parseInt(scaleArg[1]));
for(int j = 0; j < sf.length; j++) {
if(tempsf.equals(sf[j])) {
scaleFactor = sf[j];
match = 1; break;
}
}
}
}
if(match != 1) usage();
}
if(argv[i].equalsIgnoreCase("-h") || argv[i].equalsIgnoreCase("-?"))
usage();
if(argv[i].length() > 2
&& argv[i].substring(0, 3).equalsIgnoreCase("-sa")) {
if(i < argv.length - 1) {
i++;
if(argv[i].substring(0, 1).equalsIgnoreCase("g"))
outSubsamp = TJ.SAMP_GRAY;
else if(argv[i].equals("444")) outSubsamp = TJ.SAMP_444;
else if(argv[i].equals("422")) outSubsamp = TJ.SAMP_422;
else if(argv[i].equals("420")) outSubsamp = TJ.SAMP_420;
else usage();
}
else usage();
}
if(argv[i].substring(0, 2).equalsIgnoreCase("-q")) {
if(i < argv.length - 1) {
int qual = Integer.parseInt(argv[++i]);
if(qual >= 1 && qual <= 100) outQual = qual;
else usage();
}
else usage();
}
if(argv[i].substring(0, 2).equalsIgnoreCase("-g"))
xform.options |= TJTransform.OPT_GRAY;
if(argv[i].equalsIgnoreCase("-hflip"))
xform.op = TJTransform.OP_HFLIP;
if(argv[i].equalsIgnoreCase("-vflip"))
xform.op = TJTransform.OP_VFLIP;
if(argv[i].equalsIgnoreCase("-transpose"))
xform.op = TJTransform.OP_TRANSPOSE;
if(argv[i].equalsIgnoreCase("-transverse"))
xform.op = TJTransform.OP_TRANSVERSE;
if(argv[i].equalsIgnoreCase("-rot90"))
xform.op = TJTransform.OP_ROT90;
if(argv[i].equalsIgnoreCase("-rot180"))
xform.op = TJTransform.OP_ROT180;
if(argv[i].equalsIgnoreCase("-rot270"))
xform.op = TJTransform.OP_ROT270;
if(argv[i].equalsIgnoreCase("-custom"))
xform.cf = new TJExample();
else if(argv[i].length() > 2
&& argv[i].substring(0, 2).equalsIgnoreCase("-c")) {
if(i >= argv.length - 1) usage();
String[] cropArg = argv[++i].split(",");
if(cropArg.length != 3) usage();
String[] dimArg = cropArg[2].split("[xX]");
if(dimArg.length != 2) usage();
int tempx = Integer.parseInt(cropArg[0]);
int tempy = Integer.parseInt(cropArg[1]);
int tempw = Integer.parseInt(dimArg[0]);
int temph = Integer.parseInt(dimArg[1]);
if(tempx < 0 || tempy < 0 || tempw < 0 || temph < 0) usage();
xform.x = tempx; xform.y = tempy;
xform.width = tempw; xform.height = temph;
xform.options |= TJTransform.OPT_CROP;
}
if(argv[i].substring(0, 2).equalsIgnoreCase("-d"))
display = true;
if(argv[i].equalsIgnoreCase("-fastupsample")) {
System.out.println("Using fast upsampling code");
flags |= TJ.FLAG_FASTUPSAMPLE;
}
if(argv[i].equalsIgnoreCase("-fastdct")) {
System.out.println("Using fastest DCT/IDCT algorithm");
flags |= TJ.FLAG_FASTDCT;
}
if(argv[i].equalsIgnoreCase("-accuratedct")) {
System.out.println("Using most accurate DCT/IDCT algorithm");
flags |= TJ.FLAG_ACCURATEDCT;
}
}
}
String[] inFileTokens = argv[0].split("\\.");
if(inFileTokens.length > 1)
inFormat = inFileTokens[inFileTokens.length - 1];
String[] outFileTokens;
if(display) outFormat = "bmp";
else {
outFileTokens = argv[1].split("\\.");
if(outFileTokens.length > 1)
outFormat = outFileTokens[outFileTokens.length - 1];
}
File file = new File(argv[0]);
int width, height;
if(inFormat.equalsIgnoreCase("jpg")) {
FileInputStream fis = new FileInputStream(file);
int inputSize = fis.available();
if(inputSize < 1) {
System.out.println("Input file contains no data");
System.exit(1);
}
byte[] inputBuf = new byte[inputSize];
fis.read(inputBuf);
fis.close();
TJDecompressor tjd;
if(xform.op != TJTransform.OP_NONE || xform.options != 0
|| xform.cf != null) {
TJTransformer tjt = new TJTransformer(inputBuf);
TJTransform t[] = new TJTransform[1];
t[0] = xform;
t[0].options |= TJTransform.OPT_TRIM;
TJDecompressor[] tjdx = tjt.transform(t, 0);
tjd = tjdx[0];
}
else tjd = new TJDecompressor(inputBuf);
width = tjd.getWidth();
height = tjd.getHeight();
int inSubsamp = tjd.getSubsamp();
System.out.println("Source Image: " + width + " x " + height
+ " pixels, " + sampName[inSubsamp] + " subsampling");
if(outSubsamp < 0) outSubsamp = inSubsamp;
if(outFormat.equalsIgnoreCase("jpg")
&& (xform.op != TJTransform.OP_NONE || xform.options != 0)
&& scaleFactor.isOne()) {
file = new File(argv[1]);
FileOutputStream fos = new FileOutputStream(file);
fos.write(tjd.getJPEGBuf(), 0, tjd.getJPEGSize());
fos.close();
System.exit(0);
}
width = scaleFactor.getScaled(width);
height = scaleFactor.getScaled(height);
if(!outFormat.equalsIgnoreCase("jpg"))
img = tjd.decompress(width, height, BufferedImage.TYPE_INT_RGB,
flags);
else bmpBuf = tjd.decompress(width, 0, height, TJ.PF_BGRX, flags);
tjd.close();
}
else {
img = ImageIO.read(file);
if (img == null)
throw new Exception("Input image type not supported.");
width = img.getWidth();
height = img.getHeight();
if(outSubsamp < 0) {
if(img.getType() == BufferedImage.TYPE_BYTE_GRAY)
outSubsamp = TJ.SAMP_GRAY;
else outSubsamp = TJ.SAMP_444;
}
}
System.gc();
if(!display)
System.out.print("Dest. Image (" + outFormat + "): " + width + " x "
+ height + " pixels");
if(display) {
ImageIcon icon = new ImageIcon(img);
JLabel label = new JLabel(icon, JLabel.CENTER);
JOptionPane.showMessageDialog(null, label, "Output Image",
JOptionPane.PLAIN_MESSAGE);
}
else if(outFormat.equalsIgnoreCase("jpg")) {
System.out.println(", " + sampName[outSubsamp]
+ " subsampling, quality = " + outQual);
TJCompressor tjc = new TJCompressor();
int jpegSize;
byte[] jpegBuf;
tjc.setSubsamp(outSubsamp);
tjc.setJPEGQuality(outQual);
if(img != null)
jpegBuf = tjc.compress(img, flags);
else {
tjc.setSourceImage(bmpBuf, width, 0, height, TJ.PF_BGRX);
jpegBuf = tjc.compress(flags);
}
jpegSize = tjc.getCompressedSize();
tjc.close();
file = new File(argv[1]);
FileOutputStream fos = new FileOutputStream(file);
fos.write(jpegBuf, 0, jpegSize);
fos.close();
}
else {
System.out.print("\n");
file = new File(argv[1]);
ImageIO.write(img, outFormat, file);
}
}
catch(Exception e) {
e.printStackTrace();
System.exit(-1);
}
}
public void customFilter(ShortBuffer coeffBuffer, Rectangle bufferRegion,
Rectangle planeRegion, int componentIndex, int transformIndex,
TJTransform transform) throws Exception {
for(int i=0; i<bufferRegion.width*bufferRegion.height; i++) {
coeffBuffer.put(i, (short)(-coeffBuffer.get(i)));
}
}
static TJScalingFactor sf [] = null;
};

896
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/*
* Copyright (C)2011-2012 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This program tests the various code paths in the TurboJPEG JNI Wrapper
*/
import java.io.*;
import java.util.*;
import java.awt.image.*;
import javax.imageio.*;
import java.nio.*;
import org.libjpegturbo.turbojpeg.*;
public class TJUnitTest {
private static final String classname =
new TJUnitTest().getClass().getName();
private static void usage() {
System.out.println("\nUSAGE: java " + classname + " [options]\n");
System.out.println("Options:\n");
System.out.println("-yuv = test YUV encoding/decoding support\n");
System.out.println("-bi = test BufferedImage support\n");
System.exit(1);
}
private final static String subNameLong[] = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
private final static String subName[] = {
"444", "422", "420", "GRAY", "440"
};
private final static String pixFormatStr[] = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
"RGBA", "BGRA", "ABGR", "ARGB"
};
private final static int alphaOffset[] = {
-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0
};
private final static int _3byteFormats[] = {
TJ.PF_RGB, TJ.PF_BGR
};
private final static int _3byteFormatsBI[] = {
BufferedImage.TYPE_3BYTE_BGR
};
private final static int _4byteFormats[] = {
TJ.PF_RGBX, TJ.PF_BGRX, TJ.PF_XBGR, TJ.PF_XRGB
};
private final static int _4byteFormatsBI[] = {
BufferedImage.TYPE_INT_BGR, BufferedImage.TYPE_INT_RGB,
BufferedImage.TYPE_4BYTE_ABGR, BufferedImage.TYPE_4BYTE_ABGR_PRE,
BufferedImage.TYPE_INT_ARGB, BufferedImage.TYPE_INT_ARGB_PRE
};
private final static int onlyGray[] = {
TJ.PF_GRAY
};
private final static int onlyGrayBI[] = {
BufferedImage.TYPE_BYTE_GRAY
};
private final static int onlyRGB[] = {
TJ.PF_RGB
};
private final static int YUVENCODE = 1;
private final static int YUVDECODE = 2;
private static int yuv = 0;
private static boolean bi = false;
private static int exitStatus = 0;
private static int biTypePF(int biType) {
ByteOrder byteOrder = ByteOrder.nativeOrder();
switch(biType) {
case BufferedImage.TYPE_3BYTE_BGR:
return TJ.PF_BGR;
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
return TJ.PF_XBGR;
case BufferedImage.TYPE_BYTE_GRAY:
return TJ.PF_GRAY;
case BufferedImage.TYPE_INT_BGR:
if(byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_XBGR;
else
return TJ.PF_RGBX;
case BufferedImage.TYPE_INT_RGB:
if(byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_XRGB;
else
return TJ.PF_BGRX;
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
if(byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_ARGB;
else
return TJ.PF_BGRA;
}
return 0;
}
private static String biTypeStr(int biType) {
switch(biType) {
case BufferedImage.TYPE_3BYTE_BGR:
return "3BYTE_BGR";
case BufferedImage.TYPE_4BYTE_ABGR:
return "4BYTE_ABGR";
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
return "4BYTE_ABGR_PRE";
case BufferedImage.TYPE_BYTE_GRAY:
return "BYTE_GRAY";
case BufferedImage.TYPE_INT_BGR:
return "INT_BGR";
case BufferedImage.TYPE_INT_RGB:
return "INT_RGB";
case BufferedImage.TYPE_INT_ARGB:
return "INT_ARGB";
case BufferedImage.TYPE_INT_ARGB_PRE:
return "INT_ARGB_PRE";
}
return "Unknown";
}
private static double getTime() {
return (double)System.nanoTime() / 1.0e9;
}
private static void initBuf(byte[] buf, int w, int pitch, int h, int pf,
int flags) throws Exception {
int roffset = TJ.getRedOffset(pf);
int goffset = TJ.getGreenOffset(pf);
int boffset = TJ.getBlueOffset(pf);
int aoffset = alphaOffset[pf];
int ps = TJ.getPixelSize(pf);
int index, row, col, halfway = 16;
Arrays.fill(buf, (byte)0);
if(pf == TJ.PF_GRAY) {
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
if(((row / 8) + (col / 8)) % 2 == 0)
buf[index] = (row < halfway) ? (byte)255 : 0;
else buf[index] = (row < halfway) ? 76 : (byte)226;
}
}
return;
}
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else index = pitch * row + col * ps;
if(((row / 8) + (col / 8)) % 2 == 0) {
if(row < halfway) {
buf[index + roffset] = (byte)255;
buf[index + goffset] = (byte)255;
buf[index + boffset] = (byte)255;
}
}
else {
buf[index + roffset] = (byte)255;
if(row >= halfway) buf[index + goffset] = (byte)255;
}
if (aoffset >= 0) buf[index + aoffset] = (byte)255;
}
}
}
private static void initIntBuf(int[] buf, int w, int pitch, int h, int pf,
int flags) throws Exception {
int rshift = TJ.getRedOffset(pf) * 8;
int gshift = TJ.getGreenOffset(pf) * 8;
int bshift = TJ.getBlueOffset(pf) * 8;
int ashift = alphaOffset[pf] * 8;
int index, row, col, halfway = 16;
Arrays.fill(buf, 0);
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
if(((row / 8) + (col / 8)) % 2 == 0) {
if(row < halfway) {
buf[index] |= (255 << rshift);
buf[index] |= (255 << gshift);
buf[index] |= (255 << bshift);
}
}
else {
buf[index] |= (255 << rshift);
if(row >= halfway) buf[index] |= (255 << gshift);
}
if (ashift >= 0) buf[index] |= (255 << ashift);
}
}
}
private static void initImg(BufferedImage img, int pf, int flags)
throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if(imgType == BufferedImage.TYPE_INT_RGB
|| imgType == BufferedImage.TYPE_INT_BGR
|| imgType == BufferedImage.TYPE_INT_ARGB
|| imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
initIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, flags);
}
else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
initBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, flags);
}
}
private static void checkVal(int row, int col, int v, String vname, int cv)
throws Exception {
v = (v < 0) ? v + 256 : v;
if(v < cv - 1 || v > cv + 1) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be " + cv + ", not " + v + "\n");
}
}
private static void checkVal0(int row, int col, int v, String vname)
throws Exception {
v = (v < 0) ? v + 256 : v;
if(v > 1) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be 0, not " + v + "\n");
}
}
private static void checkVal255(int row, int col, int v, String vname)
throws Exception {
v = (v < 0) ? v + 256 : v;
if(v < 254) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be 255, not " + v + "\n");
}
}
private static int checkBuf(byte[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
int roffset = TJ.getRedOffset(pf);
int goffset = TJ.getGreenOffset(pf);
int boffset = TJ.getBlueOffset(pf);
int aoffset = alphaOffset[pf];
int ps = TJ.getPixelSize(pf);
int index, row, col, retval = 1;
int halfway = 16 * sf.getNum() / sf.getDenom();
int blockSize = 8 * sf.getNum() / sf.getDenom();
try {
for(row = 0; row < halfway; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else index = pitch * row + col * ps;
byte r = buf[index + roffset];
byte g = buf[index + goffset];
byte b = buf[index + boffset];
byte a = aoffset >= 0 ? buf[index + aoffset] : (byte)255;
if(((row / blockSize) + (col / blockSize)) % 2 == 0) {
if(row < halfway) {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
}
else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
}
else {
if(subsamp == TJ.SAMP_GRAY) {
if(row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
}
else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
}
else {
checkVal255(row, col, r, "R");
if(row < halfway) {
checkVal0(row, col, g, "G");
}
else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
}
}
checkVal255(row, col, a, "A");
}
}
}
catch(Exception e) {
System.out.println(e);
retval = 0;
}
if(retval == 0) {
System.out.print("\n");
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
int r = buf[pitch * row + col * ps + roffset];
int g = buf[pitch * row + col * ps + goffset];
int b = buf[pitch * row + col * ps + boffset];
if(r < 0) r += 256; if(g < 0) g += 256; if(b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
}
}
return retval;
}
private static int checkIntBuf(int[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
int rshift = TJ.getRedOffset(pf) * 8;
int gshift = TJ.getGreenOffset(pf) * 8;
int bshift = TJ.getBlueOffset(pf) * 8;
int ashift = alphaOffset[pf] * 8;
int index, row, col, retval = 1;
int halfway = 16 * sf.getNum() / sf.getDenom();
int blockSize = 8 * sf.getNum() / sf.getDenom();
try {
for(row = 0; row < halfway; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
int r = (buf[index] >> rshift) & 0xFF;
int g = (buf[index] >> gshift) & 0xFF;
int b = (buf[index] >> bshift) & 0xFF;
int a = ashift >= 0 ? (buf[index] >> ashift) & 0xFF : 255;
if(((row / blockSize) + (col / blockSize)) % 2 == 0) {
if(row < halfway) {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
}
else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
}
else {
if(subsamp == TJ.SAMP_GRAY) {
if(row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
}
else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
}
else {
checkVal255(row, col, r, "R");
if(row < halfway) {
checkVal0(row, col, g, "G");
}
else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
}
}
checkVal255(row, col, a, "A");
}
}
}
catch(Exception e) {
System.out.println(e);
retval = 0;
}
if(retval == 0) {
System.out.print("\n");
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
int r = (buf[pitch * row + col] >> rshift) & 0xFF;
int g = (buf[pitch * row + col] >> gshift) & 0xFF;
int b = (buf[pitch * row + col] >> bshift) & 0xFF;
if(r < 0) r += 256; if(g < 0) g += 256; if(b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
}
}
return retval;
}
private static int checkImg(BufferedImage img, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if(imgType == BufferedImage.TYPE_INT_RGB
|| imgType == BufferedImage.TYPE_INT_BGR
|| imgType == BufferedImage.TYPE_INT_ARGB
|| imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
return checkIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf,
subsamp, sf, flags);
}
else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
return checkBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, subsamp,
sf, flags);
}
}
private static int PAD(int v, int p) {
return ((v + (p) - 1) & (~((p) - 1)));
}
private static int checkBufYUV(byte[] buf, int size, int w, int h,
int subsamp) throws Exception {
int row, col;
int hsf = TJ.getMCUWidth(subsamp)/8, vsf = TJ.getMCUHeight(subsamp)/8;
int pw = PAD(w, hsf), ph = PAD(h, vsf);
int cw = pw / hsf, ch = ph / vsf;
int ypitch = PAD(pw, 4), uvpitch = PAD(cw, 4);
int retval = 1;
int correctsize = ypitch * ph
+ (subsamp == TJ.SAMP_GRAY ? 0 : uvpitch * ch * 2);
int halfway = 16;
try {
if(size != correctsize)
throw new Exception("\nIncorrect size " + size + ". Should be "
+ correctsize);
for(row = 0; row < ph; row++) {
for(col = 0; col < pw; col++) {
byte y = buf[ypitch * row + col];
if(((row / 8) + (col / 8)) % 2 == 0) {
if(row < halfway) checkVal255(row, col, y, "Y");
else checkVal0(row, col, y, "Y");
}
else {
if(row < halfway) checkVal(row, col, y, "Y", 76);
else checkVal(row, col, y, "Y", 226);
}
}
}
if(subsamp != TJ.SAMP_GRAY) {
halfway = 16 / vsf;
for(row = 0; row < ch; row++) {
for(col = 0; col < cw; col++) {
byte u = buf[ypitch * ph + (uvpitch * row + col)],
v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if(((row * vsf / 8) + (col * hsf / 8)) % 2 == 0) {
checkVal(row, col, u, "U", 128);
checkVal(row, col, v, "V", 128);
}
else {
if(row < halfway) {
checkVal(row, col, u, "U", 85);
checkVal255(row, col, v, "V");
}
else {
checkVal0(row, col, u, "U");
checkVal(row, col, v, "V", 149);
}
}
}
}
}
}
catch(Exception e) {
System.out.println(e);
retval = 0;
}
if(retval == 0) {
for(row = 0; row < ph; row++) {
for(col = 0; col < pw; col++) {
int y = buf[ypitch * row + col];
if(y < 0) y += 256;
System.out.format("%3d ", y);
}
System.out.print("\n");
}
System.out.print("\n");
for(row = 0; row < ch; row++) {
for(col = 0; col < cw; col++) {
int u = buf[ypitch * ph + (uvpitch * row + col)];
if(u < 0) u += 256;
System.out.format("%3d ", u);
}
System.out.print("\n");
}
System.out.print("\n");
for(row = 0; row < ch; row++) {
for(col = 0; col < cw; col++) {
int v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if(v < 0) v += 256;
System.out.format("%3d ", v);
}
System.out.print("\n");
}
System.out.print("\n");
}
return retval;
}
private static void writeJPEG(byte[] jpegBuf, int jpegBufSize,
String filename) throws Exception {
File file = new File(filename);
FileOutputStream fos = new FileOutputStream(file);
fos.write(jpegBuf, 0, jpegBufSize);
fos.close();
}
private static int compTest(TJCompressor tjc, byte[] dstBuf, int w,
int h, int pf, String baseName, int subsamp, int jpegQual,
int flags) throws Exception {
String tempstr;
byte[] srcBuf = null;
BufferedImage img = null;
String pfStr;
double t;
int size = 0, ps, imgType = pf;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
}
else pfStr = pixFormatStr[pf];
ps = TJ.getPixelSize(pf);
System.out.print(pfStr + " ");
if(bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up");
else System.out.print("Top-Down ");
System.out.print(" -> " + subNameLong[subsamp] + " ");
if(yuv == YUVENCODE) System.out.print("YUV ... ");
else System.out.print("Q" + jpegQual + " ... ");
if(bi) {
img = new BufferedImage(w, h, imgType);
initImg(img, pf, flags);
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_Q" + jpegQual + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
else {
srcBuf = new byte[w * h * ps + 1];
initBuf(srcBuf, w, w * ps, h, pf, flags);
}
Arrays.fill(dstBuf, (byte)0);
t = getTime();
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(jpegQual);
if(bi) {
if(yuv == YUVENCODE) tjc.encodeYUV(img, dstBuf, flags);
else tjc.compress(img, dstBuf, flags);
}
else {
tjc.setSourceImage(srcBuf, w, 0, h, pf);
if(yuv == YUVENCODE) tjc.encodeYUV(dstBuf, flags);
else tjc.compress(dstBuf, flags);
}
size = tjc.getCompressedSize();
t = getTime() - t;
if(yuv == YUVENCODE)
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + ".yuv";
else
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_Q" + jpegQual + ".jpg";
writeJPEG(dstBuf, size, tempstr);
if(yuv == YUVENCODE) {
if(checkBufYUV(dstBuf, size, w, h, subsamp) == 1)
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
}
}
else System.out.print("Done.");
System.out.format(" %.6f ms\n", t * 1000.);
System.out.println(" Result in " + tempstr);
return size;
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf, String baseName, int subsamp,
int flags, TJScalingFactor sf) throws Exception {
String pfStr, tempstr;
double t;
int scaledWidth = sf.getScaled(w);
int scaledHeight = sf.getScaled(h);
int temp1, temp2, imgType = pf;
BufferedImage img = null;
byte[] dstBuf = null;
if(yuv == YUVENCODE) return;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
}
else pfStr = pixFormatStr[pf];
System.out.print("JPEG -> ");
if(yuv == YUVDECODE)
System.out.print("YUV " + subName[subsamp] + " ... ");
else {
System.out.print(pfStr + " ");
if(bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up ");
else System.out.print("Top-Down ");
if(!sf.isOne())
System.out.print(sf.getNum() + "/" + sf.getDenom() + " ... ");
else System.out.print("... ");
}
t = getTime();
tjd.setJPEGImage(jpegBuf, jpegSize);
if(tjd.getWidth() != w || tjd.getHeight() != h
|| tjd.getSubsamp() != subsamp)
throw new Exception("Incorrect JPEG header");
temp1 = scaledWidth;
temp2 = scaledHeight;
temp1 = tjd.getScaledWidth(temp1, temp2);
temp2 = tjd.getScaledHeight(temp1, temp2);
if(temp1 != scaledWidth || temp2 != scaledHeight)
throw new Exception("Scaled size mismatch");
if(yuv == YUVDECODE) dstBuf = tjd.decompressToYUV(flags);
else {
if(bi)
img = tjd.decompress(scaledWidth, scaledHeight, imgType, flags);
else dstBuf = tjd.decompress(scaledWidth, 0, scaledHeight, pf, flags);
}
t = getTime() - t;
if(bi) {
tempstr = baseName + "_dec_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_" + (double)sf.getNum() / (double)sf.getDenom()
+ "x" + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
if(yuv == YUVDECODE) {
if(checkBufYUV(dstBuf, dstBuf.length, w, h, subsamp) == 1)
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
}
}
else {
if((bi && checkImg(img, pf, subsamp, sf, flags) == 1)
|| (!bi && checkBuf(dstBuf, scaledWidth, scaledWidth
* TJ.getPixelSize(pf), scaledHeight, pf, subsamp, sf, flags) == 1))
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
}
}
System.out.format(" %.6f ms\n", t * 1000.);
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf, String baseName, int subsamp,
int flags) throws Exception {
int i;
if((subsamp == TJ.SAMP_444 || subsamp == TJ.SAMP_GRAY) && yuv == 0) {
TJScalingFactor sf[] = TJ.getScalingFactors();
for(i = 0; i < sf.length; i++)
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, sf[i]);
}
else
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, new TJScalingFactor(1, 1));
System.out.print("\n");
}
private static void doTest(int w, int h, int[] formats, int subsamp,
String baseName) throws Exception {
TJCompressor tjc = null;
TJDecompressor tjd = null;
int size;
byte[] dstBuf;
if(yuv == YUVENCODE) dstBuf = new byte[TJ.bufSizeYUV(w, h, subsamp)];
else dstBuf = new byte[TJ.bufSize(w, h, subsamp)];
try {
tjc = new TJCompressor();
tjd = new TJDecompressor();
for(int pf : formats) {
for(int i = 0; i < 2; i++) {
int flags = 0;
if (subsamp == TJ.SAMP_422 || subsamp == TJ.SAMP_420
|| subsamp == TJ.SAMP_440)
flags |= TJ.FLAG_FASTUPSAMPLE;
if(i == 1) {
if(yuv == YUVDECODE) {
tjc.close(); tjd.close(); return;
}
else flags |= TJ.FLAG_BOTTOMUP;
}
size = compTest(tjc, dstBuf, w, h, pf, baseName, subsamp, 100,
flags);
decompTest(tjd, dstBuf, size, w, h, pf, baseName, subsamp, flags);
if(pf >= TJ.PF_RGBX && pf <= TJ.PF_XRGB && !bi)
decompTest(tjd, dstBuf, size, w, h, pf + (TJ.PF_RGBA - TJ.PF_RGBX),
baseName, subsamp, flags);
}
}
}
catch(Exception e) {
if(tjc != null) tjc.close();
if(tjd != null) tjd.close();
throw e;
}
if(tjc != null) tjc.close();
if(tjd != null) tjd.close();
}
private static void bufSizeTest() throws Exception {
int w, h, i, subsamp;
byte[] srcBuf, jpegBuf;
TJCompressor tjc = null;
Random r = new Random();
try {
tjc = new TJCompressor();
System.out.println("Buffer size regression test");
for(subsamp = 0; subsamp < TJ.NUMSAMP; subsamp++) {
for(w = 1; w < 48; w++) {
int maxh = (w == 1) ? 2048 : 48;
for(h = 1; h < maxh; h++) {
if(h % 100 == 0)
System.out.format("%04d x %04d\b\b\b\b\b\b\b\b\b\b\b", w, h);
srcBuf = new byte[w * h * 4];
jpegBuf = new byte[TJ.bufSize(w, h, subsamp)];
for(i = 0; i < w * h * 4; i++) {
srcBuf[i] = (byte)(r.nextInt(2) * 255);
}
tjc.setSourceImage(srcBuf, w, 0, h, TJ.PF_BGRX);
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(100);
tjc.compress(jpegBuf, 0);
srcBuf = new byte[h * w * 4];
jpegBuf = new byte[TJ.bufSize(h, w, subsamp)];
for(i = 0; i < h * w * 4; i++) {
srcBuf[i] = (byte)(r.nextInt(2) * 255);
}
tjc.setSourceImage(srcBuf, h, 0, w, TJ.PF_BGRX);
tjc.compress(jpegBuf, 0);
}
}
}
System.out.println("Done. ");
}
catch(Exception e) {
if(tjc != null) tjc.close();
throw e;
}
if(tjc != null) tjc.close();
}
public static void main(String argv[]) {
try {
String testName = "javatest";
boolean doyuv = false;
for(int i = 0; i < argv.length; i++) {
if(argv[i].equalsIgnoreCase("-yuv")) doyuv = true;
if(argv[i].substring(0, 1).equalsIgnoreCase("-h")
|| argv[i].equalsIgnoreCase("-?"))
usage();
if(argv[i].equalsIgnoreCase("-bi")) {
bi = true;
testName = "javabitest";
}
}
if(doyuv) yuv = YUVENCODE;
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_444, testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_444, testName);
doTest(41, 35, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_422,
testName);
doTest(35, 39, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_422,
testName);
doTest(39, 41, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_420,
testName);
doTest(41, 35, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_420,
testName);
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_440,
testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_440,
testName);
doTest(35, 39, bi ? onlyGrayBI : onlyGray, TJ.SAMP_GRAY, testName);
doTest(39, 41, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_GRAY,
testName);
doTest(41, 35, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_GRAY,
testName);
if(!doyuv && !bi) bufSizeTest();
if(doyuv && !bi) {
yuv = YUVDECODE;
doTest(48, 48, onlyRGB, TJ.SAMP_444, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_444, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_422, "javatest_yuv0");
doTest(39, 41, onlyRGB, TJ.SAMP_422, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_420, "javatest_yuv0");
doTest(41, 35, onlyRGB, TJ.SAMP_420, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_440, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_440, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_GRAY, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_GRAY, "javatest_yuv1");
doTest(48, 48, onlyGray, TJ.SAMP_GRAY, "javatest_yuv0");
doTest(39, 41, onlyGray, TJ.SAMP_GRAY, "javatest_yuv1");
}
}
catch(Exception e) {
e.printStackTrace();
exitStatus = -1;
}
System.exit(exitStatus);
}
}

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Constant Field Values
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<H1>
Constant Field Values</H1>
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<LI><A HREF="#org.libjpegturbo">org.libjpegturbo.*</A>
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org.libjpegturbo.*</FONT></TH>
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<TH ALIGN="left" COLSPAN="3">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_ACCURATEDCT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_ACCURATEDCT">FLAG_ACCURATEDCT</A></CODE></TD>
<TD ALIGN="right"><CODE>4096</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_BOTTOMUP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP">FLAG_BOTTOMUP</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTDCT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT">FLAG_FASTDCT</A></CODE></TD>
<TD ALIGN="right"><CODE>2048</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FASTUPSAMPLE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE">FLAG_FASTUPSAMPLE</A></CODE></TD>
<TD ALIGN="right"><CODE>256</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCEMMX"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCEMMX">FLAG_FORCEMMX</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE">FLAG_FORCESSE</A></CODE></TD>
<TD ALIGN="right"><CODE>16</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE2"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE2">FLAG_FORCESSE2</A></CODE></TD>
<TD ALIGN="right"><CODE>32</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.FLAG_FORCESSE3"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE3">FLAG_FORCESSE3</A></CODE></TD>
<TD ALIGN="right"><CODE>128</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.NUMPF"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#NUMPF">NUMPF</A></CODE></TD>
<TD ALIGN="right"><CODE>11</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.NUMSAMP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP">NUMSAMP</A></CODE></TD>
<TD ALIGN="right"><CODE>5</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_ABGR"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR">PF_ABGR</A></CODE></TD>
<TD ALIGN="right"><CODE>9</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_ARGB"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB">PF_ARGB</A></CODE></TD>
<TD ALIGN="right"><CODE>10</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_BGR"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_BGR">PF_BGR</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_BGRA"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA">PF_BGRA</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_BGRX"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX">PF_BGRX</A></CODE></TD>
<TD ALIGN="right"><CODE>3</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_GRAY"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY">PF_GRAY</A></CODE></TD>
<TD ALIGN="right"><CODE>6</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_RGB"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_RGB">PF_RGB</A></CODE></TD>
<TD ALIGN="right"><CODE>0</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_RGBA"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA">PF_RGBA</A></CODE></TD>
<TD ALIGN="right"><CODE>7</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_RGBX"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX">PF_RGBX</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_XBGR"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR">PF_XBGR</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.PF_XRGB"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB">PF_XRGB</A></CODE></TD>
<TD ALIGN="right"><CODE>5</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_420"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_420">SAMP_420</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_422"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_422">SAMP_422</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_440"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_440">SAMP_440</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_444"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_444">SAMP_444</A></CODE></TD>
<TD ALIGN="right"><CODE>0</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJ.SAMP_GRAY"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJ.html#SAMP_GRAY">SAMP_GRAY</A></CODE></TD>
<TD ALIGN="right"><CODE>3</CODE></TD>
</TR>
</FONT></TD>
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<P>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left" COLSPAN="3">org.libjpegturbo.turbojpeg.<A HREF="org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.NUMOP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#NUMOP">NUMOP</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_HFLIP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_HFLIP">OP_HFLIP</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_NONE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_NONE">OP_NONE</A></CODE></TD>
<TD ALIGN="right"><CODE>0</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_ROT180"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT180">OP_ROT180</A></CODE></TD>
<TD ALIGN="right"><CODE>6</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_ROT270"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT270">OP_ROT270</A></CODE></TD>
<TD ALIGN="right"><CODE>7</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_ROT90"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT90">OP_ROT90</A></CODE></TD>
<TD ALIGN="right"><CODE>5</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSPOSE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSPOSE">OP_TRANSPOSE</A></CODE></TD>
<TD ALIGN="right"><CODE>3</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSVERSE"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSVERSE">OP_TRANSVERSE</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OP_VFLIP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OP_VFLIP">OP_VFLIP</A></CODE></TD>
<TD ALIGN="right"><CODE>2</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_CROP"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP">OPT_CROP</A></CODE></TD>
<TD ALIGN="right"><CODE>4</CODE></TD>
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<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_GRAY"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY">OPT_GRAY</A></CODE></TD>
<TD ALIGN="right"><CODE>8</CODE></TD>
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<A NAME="org.libjpegturbo.turbojpeg.TJTransform.OPT_NOOUTPUT"><!-- --></A><TD ALIGN="right"><FONT SIZE="-1">
<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT">OPT_NOOUTPUT</A></CODE></TD>
<TD ALIGN="right"><CODE>16</CODE></TD>
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<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT">OPT_PERFECT</A></CODE></TD>
<TD ALIGN="right"><CODE>1</CODE></TD>
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<CODE>public&nbsp;static&nbsp;final&nbsp;int</CODE></FONT></TD>
<TD ALIGN="left"><CODE><A HREF="org/libjpegturbo/turbojpeg/TJTransform.html#OPT_TRIM">OPT_TRIM</A></CODE></TD>
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API Help
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<H1>
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This API (Application Programming Interface) document has pages corresponding to the items in the navigation bar, described as follows.<H3>
Package</H3>
<BLOCKQUOTE>
<P>
Each package has a page that contains a list of its classes and interfaces, with a summary for each. This page can contain four categories:<UL>
<LI>Interfaces (italic)<LI>Classes<LI>Enums<LI>Exceptions<LI>Errors<LI>Annotation Types</UL>
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<H3>
Class/Interface</H3>
<BLOCKQUOTE>
<P>
Each class, interface, nested class and nested interface has its own separate page. Each of these pages has three sections consisting of a class/interface description, summary tables, and detailed member descriptions:<UL>
<LI>Class inheritance diagram<LI>Direct Subclasses<LI>All Known Subinterfaces<LI>All Known Implementing Classes<LI>Class/interface declaration<LI>Class/interface description
<P>
<LI>Nested Class Summary<LI>Field Summary<LI>Constructor Summary<LI>Method Summary
<P>
<LI>Field Detail<LI>Constructor Detail<LI>Method Detail</UL>
Each summary entry contains the first sentence from the detailed description for that item. The summary entries are alphabetical, while the detailed descriptions are in the order they appear in the source code. This preserves the logical groupings established by the programmer.</BLOCKQUOTE>
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<H3>
Annotation Type</H3>
<BLOCKQUOTE>
<P>
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<LI>Annotation Type declaration<LI>Annotation Type description<LI>Required Element Summary<LI>Optional Element Summary<LI>Element Detail</UL>
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<H3>
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<P>
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<LI>When viewing the Overview page, clicking on "Tree" displays the hierarchy for all packages.<LI>When viewing a particular package, class or interface page, clicking "Tree" displays the hierarchy for only that package.</UL>
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<H3>
Deprecated API</H3>
<BLOCKQUOTE>
The <A HREF="deprecated-list.html">Deprecated API</A> page lists all of the API that have been deprecated. A deprecated API is not recommended for use, generally due to improvements, and a replacement API is usually given. Deprecated APIs may be removed in future implementations.</BLOCKQUOTE>
<H3>
Index</H3>
<BLOCKQUOTE>
The <A HREF="index-all.html">Index</A> contains an alphabetic list of all classes, interfaces, constructors, methods, and fields.</BLOCKQUOTE>
<H3>
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These links take you to the next or previous class, interface, package, or related page.<H3>
Frames/No Frames</H3>
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<P>
<H3>
Serialized Form</H3>
Each serializable or externalizable class has a description of its serialization fields and methods. This information is of interest to re-implementors, not to developers using the API. While there is no link in the navigation bar, you can get to this information by going to any serialized class and clicking "Serialized Form" in the "See also" section of the class description.
<P>
<H3>
Constant Field Values</H3>
The <a href="constant-values.html">Constant Field Values</a> page lists the static final fields and their values.
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<A HREF="#_B_">B</A> <A HREF="#_C_">C</A> <A HREF="#_D_">D</A> <A HREF="#_E_">E</A> <A HREF="#_F_">F</A> <A HREF="#_G_">G</A> <A HREF="#_H_">H</A> <A HREF="#_I_">I</A> <A HREF="#_J_">J</A> <A HREF="#_N_">N</A> <A HREF="#_O_">O</A> <A HREF="#_P_">P</A> <A HREF="#_S_">S</A> <A HREF="#_T_">T</A> <HR>
<A NAME="_B_"><!-- --></A><H2>
<B>B</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><B>bufSize(int, int, int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the maximum size of the buffer (in bytes) required to hold a JPEG
image with the given width and height, and level of chrominance
subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int)"><B>bufSizeYUV(int, int, int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the size of the buffer (in bytes) required to hold a YUV planar
image with the given width, height, and level of chrominance subsampling.
</DL>
<HR>
<A NAME="_C_"><!-- --></A><H2>
<B>C</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#cf"><B>cf</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Custom filter instance
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#close()"><B>close()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Free the native structures associated with this compressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#close()"><B>close()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Free the native structures associated with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[], int)"><B>compress(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image associated with this compressor
instance and output a JPEG image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(int)"><B>compress(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image associated with this compressor
instance and return a buffer containing a JPEG image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, byte[], int)"><B>compress(BufferedImage, byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and output a JPEG image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, int)"><B>compress(BufferedImage, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a JPEG image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCustomFilter.html#customFilter(java.nio.ShortBuffer, java.awt.Rectangle, java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJTransform)"><B>customFilter(ShortBuffer, Rectangle, Rectangle, int, int, TJTransform)</B></A> -
Method in interface org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>
<DD>A callback function that can be used to modify the DCT coefficients after
they are losslessly transformed but before they are transcoded to a new
JPEG file.
</DL>
<HR>
<A NAME="_D_"><!-- --></A><H2>
<B>D</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)"><B>decompress(byte[], int, int, int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a decompressed image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int)"><B>decompress(byte[], int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a decompressed image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int, int)"><B>decompress(int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and return a buffer containing the decompressed image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int[], int, int, int, int, int, int, int)"><B>decompress(int[], int, int, int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a decompressed image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(java.awt.image.BufferedImage, int)"><B>decompress(BufferedImage, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a decompressed image to the given
<code>BufferedImage</code> instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int)"><B>decompress(int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and return a <code>BufferedImage</code> instance containing the
decompressed image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(byte[], int)"><B>decompressToYUV(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and output a YUV planar image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int)"><B>decompressToYUV(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Decompress the JPEG source image associated with this decompressor
instance and return a buffer containing a YUV planar image.
</DL>
<HR>
<A NAME="_E_"><!-- --></A><H2>
<B>E</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><B>encodeYUV(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image associated with this compressor
instance and output a YUV planar image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int)"><B>encodeYUV(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image associated with this compressor
instance and return a buffer containing a YUV planar image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, byte[], int)"><B>encodeYUV(BufferedImage, byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and output a YUV planar image to the given destination buffer.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, int)"><B>encodeYUV(BufferedImage, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a YUV planar image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#equals(org.libjpegturbo.turbojpeg.TJScalingFactor)"><B>equals(TJScalingFactor)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator.
</DL>
<HR>
<A NAME="_F_"><!-- --></A><H2>
<B>F</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#finalize()"><B>finalize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#finalize()"><B>finalize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_ACCURATEDCT"><B>FLAG_ACCURATEDCT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Use the most accurate DCT/IDCT algorithm available in the underlying
codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_BOTTOMUP"><B>FLAG_BOTTOMUP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>The uncompressed source/destination image is stored in bottom-up (Windows,
OpenGL) order, not top-down (X11) order.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTDCT"><B>FLAG_FASTDCT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Use the fastest DCT/IDCT algorithm available in the underlying codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FASTUPSAMPLE"><B>FLAG_FASTUPSAMPLE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>When decompressing, use the fastest chrominance upsampling algorithm
available in the underlying codec.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCEMMX"><B>FLAG_FORCEMMX</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use MMX code
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE"><B>FLAG_FORCESSE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE code
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE2"><B>FLAG_FORCESSE2</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE2 code
(if the underlying codec supports it.)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#FLAG_FORCESSE3"><B>FLAG_FORCESSE3</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Turn off CPU auto-detection and force TurboJPEG to use SSE3 code
(if the underlying codec supports it.)
</DL>
<HR>
<A NAME="_G_"><!-- --></A><H2>
<B>G</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getBlueOffset(int)"><B>getBlueOffset(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>For the given pixel format, returns the number of bytes that the blue
component is offset from the start of the pixel.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><B>getCompressedSize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Returns the size of the image (in bytes) generated by the most recent
compress/encode operation.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#getDenom()"><B>getDenom()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns denominator
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getGreenOffset(int)"><B>getGreenOffset(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>For the given pixel format, returns the number of bytes that the green
component is offset from the start of the pixel.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getHeight()"><B>getHeight()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the height of the JPEG image associated with this decompressor
instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGBuf()"><B>getJPEGBuf()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the JPEG image buffer associated with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGSize()"><B>getJPEGSize()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the size of the JPEG image (in bytes) associated with this
decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getMCUHeight(int)"><B>getMCUHeight(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the MCU block height for the given level of chrominance
subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getMCUWidth(int)"><B>getMCUWidth(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the MCU block width for the given level of chrominance
subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#getNum()"><B>getNum()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns numerator
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getPixelSize(int)"><B>getPixelSize(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns the pixel size (in bytes) of the given pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getRedOffset(int)"><B>getRedOffset(int)</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>For the given pixel format, returns the number of bytes that the red
component is offset from the start of the pixel.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)"><B>getScaled(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns the scaled value of <code>dimension</code>.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int, int)"><B>getScaledHeight(int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the height of the largest scaled down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int, int)"><B>getScaledWidth(int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the width of the largest scaled down image that the TurboJPEG
decompressor can generate without exceeding the desired image width and
height.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#getScalingFactors()"><B>getScalingFactors()</B></A> -
Static method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Returns a list of fractional scaling factors that the JPEG decompressor in
this implementation of TurboJPEG supports.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getSubsamp()"><B>getSubsamp()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the level of chrominance subsampling used in the JPEG image
associated with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#getTransformedSizes()"><B>getTransformedSizes()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Returns an array containing the sizes of the transformed JPEG images from
the most recent call to <A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>transform()</CODE></A>.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#getWidth()"><B>getWidth()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Returns the width of the JPEG image associated with this decompressor
instance.
</DL>
<HR>
<A NAME="_H_"><!-- --></A><H2>
<B>H</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#handle"><B>handle</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
</DL>
<HR>
<A NAME="_I_"><!-- --></A><H2>
<B>I</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#isOne()"><B>isOne()</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>Returns true or false, depending on whether this instance is equal to
1/1.
</DL>
<HR>
<A NAME="_J_"><!-- --></A><H2>
<B>J</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBuf"><B>jpegBuf</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBufSize"><B>jpegBufSize</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegHeight"><B>jpegHeight</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegSubsamp"><B>jpegSubsamp</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegWidth"><B>jpegWidth</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>&nbsp;
</DL>
<HR>
<A NAME="_N_"><!-- --></A><H2>
<B>N</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#NUMOP"><B>NUMOP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>The number of lossless transform operations
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#NUMPF"><B>NUMPF</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>The number of pixel formats
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#NUMSAMP"><B>NUMSAMP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>The number of chrominance subsampling options
</DL>
<HR>
<A NAME="_O_"><!-- --></A><H2>
<B>O</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#op"><B>op</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transform operation (one of <code>OP_*</code>)
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_HFLIP"><B>OP_HFLIP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Flip (mirror) image horizontally.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_NONE"><B>OP_NONE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Do not transform the position of the image pixels.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT180"><B>OP_ROT180</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Rotate image 180 degrees.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT270"><B>OP_ROT270</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Rotate image counter-clockwise by 90 degrees.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT90"><B>OP_ROT90</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Rotate image clockwise by 90 degrees.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSPOSE"><B>OP_TRANSPOSE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transpose image (flip/mirror along upper left to lower right axis).
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSVERSE"><B>OP_TRANSVERSE</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transverse transpose image (flip/mirror along upper right to lower left
axis).
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OP_VFLIP"><B>OP_VFLIP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Flip (mirror) image vertically.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP"><B>OPT_CROP</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will enable lossless cropping.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY"><B>OPT_GRAY</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will discard the color data in the input image and produce
a grayscale output image.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT"><B>OPT_NOOUTPUT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will prevent <A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> from outputting a JPEG image for this
particular transform.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><B>OPT_PERFECT</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will cause <A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> to throw an exception if the transform is not
perfect.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#OPT_TRIM"><B>OPT_TRIM</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>This option will discard any partial MCU blocks that cannot be
transformed.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#options"><B>options</B></A> -
Variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Transform options (bitwise OR of one or more of <code>OPT_*</code>)
<DT><A HREF="./org/libjpegturbo/turbojpeg/package-summary.html"><B>org.libjpegturbo.turbojpeg</B></A> - package org.libjpegturbo.turbojpeg<DD>&nbsp;</DL>
<HR>
<A NAME="_P_"><!-- --></A><H2>
<B>P</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_ABGR"><B>PF_ABGR</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>ABGR pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_ARGB"><B>PF_ARGB</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>ARGB pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_BGR"><B>PF_BGR</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>BGR pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_BGRA"><B>PF_BGRA</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>BGRA pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_BGRX"><B>PF_BGRX</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>BGRX pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_GRAY"><B>PF_GRAY</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Grayscale pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_RGB"><B>PF_RGB</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>RGB pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_RGBA"><B>PF_RGBA</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>RGBA pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_RGBX"><B>PF_RGBX</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>RGBX pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_XBGR"><B>PF_XBGR</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>XBGR pixel format.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#PF_XRGB"><B>PF_XRGB</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>XRGB pixel format.
</DL>
<HR>
<A NAME="_S_"><!-- --></A><H2>
<B>S</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_420"><B>SAMP_420</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:2:0 chrominance subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_422"><B>SAMP_422</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:2:2 chrominance subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_440"><B>SAMP_440</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:4:0 chrominance subsampling.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_444"><B>SAMP_444</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>4:4:4 chrominance subsampling (no chrominance subsampling).
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#SAMP_GRAY"><B>SAMP_GRAY</B></A> -
Static variable in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>Grayscale.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#setJPEGImage(byte[], int)"><B>setJPEGImage(byte[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Associate the JPEG image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with this decompressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setJPEGQuality(int)"><B>setJPEGQuality(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Set the JPEG image quality level for subsequent compress operations.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><B>setSourceImage(byte[], int, int, int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Associate an uncompressed source image with this compressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int)"><B>setSourceImage(byte[], int, int, int, int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Associate an uncompressed source image with this compressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#setSubsamp(int)"><B>setSubsamp(int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Set the level of chrominance subsampling for subsequent compress/encode
operations.
</DL>
<HR>
<A NAME="_T_"><!-- --></A><H2>
<B>T</B></H2>
<DL>
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><B>TJ</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG utility class (cannot be instantiated)<DT><A HREF="./org/libjpegturbo/turbojpeg/TJ.html#TJ()"><B>TJ()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg">TJ</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJCompressor</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG compressor<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor()"><B>TJCompressor()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Create a TurboJPEG compressor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int)"><B>TJCompressor(byte[], int, int, int, int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly-created
instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)"><B>TJCompressor(byte[], int, int, int, int, int, int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJCompressor.html" title="class in org.libjpegturbo.turbojpeg">TJCompressor</A>
<DD>Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly-created
instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><B>TJCustomFilter</B></A> - Interface in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>Custom filter callback interface<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJDecompressor</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG decompressor<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor()"><B>TJDecompressor()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Create a TurboJPEG decompresssor instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[])"><B>TJDecompressor(byte[])</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Create a TurboJPEG decompressor instance and associate the JPEG image
stored in <code>jpegImage</code> with the newly-created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html#TJDecompressor(byte[], int)"><B>TJDecompressor(byte[], int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>
<DD>Create a TurboJPEG decompressor instance and associate the JPEG image
of length <code>imageSize</code> bytes stored in <code>jpegImage</code>
with the newly-created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg"><B>TJScalingFactor</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>Fractional scaling factor<DT><A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html#TJScalingFactor(int, int)"><B>TJScalingFactor(int, int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>
<DD>&nbsp;
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransform</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>Lossless transform parameters<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform()"><B>TJTransform()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Create a new lossless transform instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><B>TJTransform(int, int, int, int, int, int, TJCustomFilter)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Create a new lossless transform instance with the given parameters.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><B>TJTransform(Rectangle, int, int, TJCustomFilter)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>
<DD>Create a new lossless transform instance with the given parameters.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg"><B>TJTransformer</B></A> - Class in <A HREF="./org/libjpegturbo/turbojpeg/package-summary.html">org.libjpegturbo.turbojpeg</A><DD>TurboJPEG lossless transformer<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer()"><B>TJTransformer()</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Create a TurboJPEG lossless transformer instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[])"><B>TJTransformer(byte[])</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image stored in <code>jpegImage</code> with the newly-created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[], int)"><B>TJTransformer(byte[], int)</B></A> -
Constructor for class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with the newly-created instance.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><B>transform(byte[][], TJTransform[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Losslessly transform the JPEG image associated with this transformer
instance into one or more JPEG images stored in the given destination
buffers.
<DT><A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html#transform(org.libjpegturbo.turbojpeg.TJTransform[], int)"><B>transform(TJTransform[], int)</B></A> -
Method in class org.libjpegturbo.turbojpeg.<A HREF="./org/libjpegturbo/turbojpeg/TJTransformer.html" title="class in org.libjpegturbo.turbojpeg">TJTransformer</A>
<DD>Losslessly transform the JPEG image associated with this transformer
instance and return an array of <A HREF="./org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it.
</DL>
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TJCompressor
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org.libjpegturbo.turbojpeg</FONT>
<BR>
Class TJCompressor</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJCompressor</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>TJCompressor</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
TurboJPEG compressor
<P>
<P>
<HR>
<P>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor()">TJCompressor</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG compressor instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int)">TJCompressor</A></B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly-created
instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#TJCompressor(byte[], int, int, int, int, int, int)">TJCompressor</A></B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly-created
instance.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#close()">close</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Free the native structures associated with this compressor instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, byte[], int)">compress</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image stored in <code>srcImage</code>
and output a JPEG image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(java.awt.image.BufferedImage, int)">compress</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a JPEG image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(byte[], int)">compress</A></B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image associated with this compressor
instance and output a JPEG image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#compress(int)">compress</A></B>(int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compress the uncompressed source image associated with this compressor
instance and return a buffer containing a JPEG image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, byte[], int)">encodeYUV</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image stored in <code>srcImage</code>
and output a YUV planar image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(java.awt.image.BufferedImage, int)">encodeYUV</A></B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a YUV planar image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)">encodeYUV</A></B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image associated with this compressor
instance and output a YUV planar image to the given destination buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(int)">encodeYUV</A></B>(int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Encode the uncompressed source image associated with this compressor
instance and return a buffer containing a YUV planar image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#finalize()">finalize</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()">getCompressedSize</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the size of the image (in bytes) generated by the most recent
compress/encode operation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setJPEGQuality(int)">setJPEGQuality</A></B>(int&nbsp;quality)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the JPEG image quality level for subsequent compress operations.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int)">setSourceImage</A></B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Associate an uncompressed source image with this compressor instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)">setSourceImage</A></B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Associate an uncompressed source image with this compressor instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSubsamp(int)">setSubsamp</A></B>(int&nbsp;newSubsamp)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the level of chrominance subsampling for subsequent compress/encode
operations.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="TJCompressor()"><!-- --></A><H3>
TJCompressor</H3>
<PRE>
public <B>TJCompressor</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG compressor instance.
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJCompressor(byte[], int, int, int, int)"><!-- --></A><H3>
TJCompressor</H3>
<PRE>
public <B>TJCompressor</B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly-created
instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>width</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pitch</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>height</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pixelFormat</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJCompressor(byte[], int, int, int, int, int, int)"><!-- --></A><H3>
TJCompressor</H3>
<PRE>
public <B>TJCompressor</B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG compressor instance and associate the uncompressed
source image stored in <code>srcImage</code> with the newly-created
instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>x</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>y</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>width</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pitch</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>height</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description<DD><CODE>pixelFormat</CODE> - see <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for description
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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</TABLE>
<A NAME="setSourceImage(byte[], int, int, int, int, int, int)"><!-- --></A><H3>
setSourceImage</H3>
<PRE>
public void <B>setSourceImage</B>(byte[]&nbsp;srcImage,
int&nbsp;x,
int&nbsp;y,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD>Associate an uncompressed source image with this compressor instance.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - image buffer containing RGB or grayscale pixels to be
compressed<DD><CODE>x</CODE> - x offset (in pixels) of the region from which the JPEG image
should be compressed, relative to the start of <code>srcImage</code>.<DD><CODE>y</CODE> - y offset (in pixels) of the region from which the JPEG image
should be compressed, relative to the start of <code>srcImage</code>.<DD><CODE>width</CODE> - width (in pixels) of the region in the source image from
which the JPEG image should be compressed.<DD><CODE>pitch</CODE> - bytes per line of the source image. Normally, this should be
<code>width * TJ.pixelSize(pixelFormat)</code> if the source image is
unpadded, but you can use this parameter to, for instance, specify that
the scanlines in the source image are padded to a 4-byte boundary or to
compress a JPEG image from a region of a larger source image. You can
also be clever and use this parameter to skip lines, etc. Setting this
parameter to 0 is the equivalent of setting it to <code>width *
TJ.pixelSize(pixelFormat)</code>.<DD><CODE>height</CODE> - height (in pixels) of the region in the source image from
which the JPEG image should be compressed.<DD><CODE>pixelFormat</CODE> - pixel format of the source image (one of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.PF_*</CODE></A>)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setSourceImage(byte[], int, int, int, int)"><!-- --></A><H3>
setSourceImage</H3>
<PRE>
public void <B>setSourceImage</B>(byte[]&nbsp;srcImage,
int&nbsp;width,
int&nbsp;pitch,
int&nbsp;height,
int&nbsp;pixelFormat)
throws java.lang.Exception</PRE>
<DL>
<DD>Associate an uncompressed source image with this compressor instance.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - see
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for
description<DD><CODE>width</CODE> - see
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for
description<DD><CODE>pitch</CODE> - see
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for
description<DD><CODE>height</CODE> - see
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#setSourceImage(byte[], int, int, int, int, int, int)"><CODE>setSourceImage(byte[], int, int, int, int, int, int)</CODE></A> for
description<DD><CODE>pixelFormat</CODE> - pixel format of the source image (one of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.PF_*</CODE></A>)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setSubsamp(int)"><!-- --></A><H3>
setSubsamp</H3>
<PRE>
public void <B>setSubsamp</B>(int&nbsp;newSubsamp)
throws java.lang.Exception</PRE>
<DL>
<DD>Set the level of chrominance subsampling for subsequent compress/encode
operations.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newSubsamp</CODE> - the new level of chrominance subsampling (one of
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.SAMP_*</CODE></A>)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="setJPEGQuality(int)"><!-- --></A><H3>
setJPEGQuality</H3>
<PRE>
public void <B>setJPEGQuality</B>(int&nbsp;quality)
throws java.lang.Exception</PRE>
<DL>
<DD>Set the JPEG image quality level for subsequent compress operations.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>quality</CODE> - the new JPEG image quality level (1 to 100, 1 = worst,
100 = best)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(byte[], int)"><!-- --></A><H3>
compress</H3>
<PRE>
public void <B>compress</B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image associated with this compressor
instance and output a JPEG image to the given destination buffer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the JPEG image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the maximum size for this buffer based on
the image width and height.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(int)"><!-- --></A><H3>
compress</H3>
<PRE>
public byte[] <B>compress</B>(int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image associated with this compressor
instance and return a buffer containing a JPEG image.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a JPEG image. The length of this buffer will
not be equal to the size of the JPEG image. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><CODE>getCompressedSize()</CODE></A> to obtain the size of the JPEG image.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(java.awt.image.BufferedImage, byte[], int)"><!-- --></A><H3>
compress</H3>
<PRE>
public void <B>compress</B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and output a JPEG image to the given destination buffer.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be compressed<DD><CODE>dstBuf</CODE> - buffer that will receive the JPEG image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the maximum size for this buffer based on
the image width and height.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="compress(java.awt.image.BufferedImage, int)"><!-- --></A><H3>
compress</H3>
<PRE>
public byte[] <B>compress</B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Compress the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a JPEG image.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be compressed<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a JPEG image. The length of this buffer will
not be equal to the size of the JPEG image. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#getCompressedSize()"><CODE>getCompressedSize()</CODE></A> to obtain the size of the JPEG image.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(byte[], int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public void <B>encodeYUV</B>(byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image associated with this compressor
instance and output a YUV planar image to the given destination buffer.
This method uses the accelerated color conversion routines in
TurboJPEG's underlying codec to produce a planar YUV image that is
suitable for direct video display. Specifically, if the chrominance
components are subsampled along the horizontal dimension, then the width
of the luminance plane is padded to 2 in the output image (same goes for
the height of the luminance plane, if the chrominance components are
subsampled along the vertical dimension.) Also, each line of each plane
in the output image is padded to 4 bytes. Although this will work with
any subsampling option, it is really only useful in combination with
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#SAMP_420"><CODE>TJ.SAMP_420</CODE></A>, which produces an image compatible with the I420 (AKA
"YUV420P") format.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dstBuf</CODE> - buffer that will receive the YUV planar image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int)"><CODE>TJ.bufSizeYUV(int, int, int)</CODE></A> to determine the appropriate size for this buffer
based on the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public byte[] <B>encodeYUV</B>(int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image associated with this compressor
instance and return a buffer containing a YUV planar image. See
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a YUV planar image
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(java.awt.image.BufferedImage, byte[], int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public void <B>encodeYUV</B>(java.awt.image.BufferedImage&nbsp;srcImage,
byte[]&nbsp;dstBuf,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and output a YUV planar image to the given destination buffer. See
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be encoded<DD><CODE>dstBuf</CODE> - buffer that will receive the YUV planar image. Use
<A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSizeYUV(int, int, int)"><CODE>TJ.bufSizeYUV(int, int, int)</CODE></A> to determine the appropriate size for this buffer
based on the image width, height, and level of chrominance subsampling.<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="encodeYUV(java.awt.image.BufferedImage, int)"><!-- --></A><H3>
encodeYUV</H3>
<PRE>
public byte[] <B>encodeYUV</B>(java.awt.image.BufferedImage&nbsp;srcImage,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Encode the uncompressed source image stored in <code>srcImage</code>
and return a buffer containing a YUV planar image. See
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCompressor.html#encodeYUV(byte[], int)"><CODE>encodeYUV(byte[], int)</CODE></A> for more detail.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>srcImage</CODE> - a <code>BufferedImage</code> instance containing RGB or
grayscale pixels to be encoded<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>a buffer containing a YUV planar image
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getCompressedSize()"><!-- --></A><H3>
getCompressedSize</H3>
<PRE>
public int <B>getCompressedSize</B>()</PRE>
<DL>
<DD>Returns the size of the image (in bytes) generated by the most recent
compress/encode operation.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the size of the image (in bytes) generated by the most recent
compress/encode operation</DL>
</DD>
</DL>
<HR>
<A NAME="close()"><!-- --></A><H3>
close</H3>
<PRE>
public void <B>close</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Free the native structures associated with this compressor instance.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="finalize()"><!-- --></A><H3>
finalize</H3>
<PRE>
protected void <B>finalize</B>()
throws java.lang.Throwable</PRE>
<DL>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>finalize</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Throwable</CODE></DL>
</DD>
</DL>
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<BR>
Interface TJCustomFilter</H2>
<HR>
<DL>
<DT><PRE>public interface <B>TJCustomFilter</B></DL>
</PRE>
<P>
Custom filter callback interface
<P>
<P>
<HR>
<P>
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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html#customFilter(java.nio.ShortBuffer, java.awt.Rectangle, java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJTransform)">customFilter</A></B>(java.nio.ShortBuffer&nbsp;coeffBuffer,
java.awt.Rectangle&nbsp;bufferRegion,
java.awt.Rectangle&nbsp;planeRegion,
int&nbsp;componentID,
int&nbsp;transformID,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>&nbsp;transform)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A callback function that can be used to modify the DCT coefficients after
they are losslessly transformed but before they are transcoded to a new
JPEG file.</TD>
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&nbsp;
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<A NAME="customFilter(java.nio.ShortBuffer, java.awt.Rectangle, java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJTransform)"><!-- --></A><H3>
customFilter</H3>
<PRE>
void <B>customFilter</B>(java.nio.ShortBuffer&nbsp;coeffBuffer,
java.awt.Rectangle&nbsp;bufferRegion,
java.awt.Rectangle&nbsp;planeRegion,
int&nbsp;componentID,
int&nbsp;transformID,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>&nbsp;transform)
throws java.lang.Exception</PRE>
<DL>
<DD>A callback function that can be used to modify the DCT coefficients after
they are losslessly transformed but before they are transcoded to a new
JPEG file. This allows for custom filters or other transformations to be
applied in the frequency domain.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>coeffBuffer</CODE> - a buffer containing transformed DCT coefficients.
(NOTE: this buffer is not guaranteed to be valid once the callback
returns, so applications wishing to hand off the DCT coefficients to
another function or library should make a copy of them within the body of
the callback.)<DD><CODE>bufferRegion</CODE> - rectangle containing the width and height of
<code>coeffBuffer</code> as well as its offset relative to the component
plane. TurboJPEG implementations may choose to split each component plane
into multiple DCT coefficient buffers and call the callback function once
for each buffer.<DD><CODE>planeRegion</CODE> - rectangle containing the width and height of the
component plane to which <code>coeffBuffer</code> belongs<DD><CODE>componentID</CODE> - ID number of the component plane to which
<code>coeffBuffer</code>belongs (Y, Cb, and Cr have, respectively, ID's of
0, 1, and 2 in typical JPEG images.)<DD><CODE>transformID</CODE> - ID number of the transformed image to which
<code>coeffBuffer</code> belongs. This is the same as the index of the
transform in the transforms array that was passed to <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A>.<DD><CODE>transform</CODE> - a <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJTransform</CODE></A> instance that specifies the
parameters and/or cropping region for this transform
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
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TJScalingFactor
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org.libjpegturbo.turbojpeg</FONT>
<BR>
Class TJScalingFactor</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJScalingFactor</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>TJScalingFactor</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
Fractional scaling factor
<P>
<P>
<HR>
<P>
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<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#TJScalingFactor(int, int)">TJScalingFactor</A></B>(int&nbsp;num,
int&nbsp;denom)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
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<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#equals(org.libjpegturbo.turbojpeg.TJScalingFactor)">equals</A></B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>&nbsp;other)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getDenom()">getDenom</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns denominator</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getNum()">getNum</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns numerator</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#getScaled(int)">getScaled</A></B>(int&nbsp;dimension)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the scaled value of <code>dimension</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html#isOne()">isOne</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns true or false, depending on whether this instance is equal to
1/1.</TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="TJScalingFactor(int, int)"><!-- --></A><H3>
TJScalingFactor</H3>
<PRE>
public <B>TJScalingFactor</B>(int&nbsp;num,
int&nbsp;denom)
throws java.lang.Exception</PRE>
<DL>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
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<A NAME="getNum()"><!-- --></A><H3>
getNum</H3>
<PRE>
public int <B>getNum</B>()</PRE>
<DL>
<DD>Returns numerator
<P>
<DD><DL>
<DT><B>Returns:</B><DD>numerator</DL>
</DD>
</DL>
<HR>
<A NAME="getDenom()"><!-- --></A><H3>
getDenom</H3>
<PRE>
public int <B>getDenom</B>()</PRE>
<DL>
<DD>Returns denominator
<P>
<DD><DL>
<DT><B>Returns:</B><DD>denominator</DL>
</DD>
</DL>
<HR>
<A NAME="getScaled(int)"><!-- --></A><H3>
getScaled</H3>
<PRE>
public int <B>getScaled</B>(int&nbsp;dimension)</PRE>
<DL>
<DD>Returns the scaled value of <code>dimension</code>. This function
performs the integer equivalent of
<code>ceil(dimension * scalingFactor)</code>.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the scaled value of <code>dimension</code></DL>
</DD>
</DL>
<HR>
<A NAME="equals(org.libjpegturbo.turbojpeg.TJScalingFactor)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJScalingFactor.html" title="class in org.libjpegturbo.turbojpeg">TJScalingFactor</A>&nbsp;other)</PRE>
<DL>
<DD>Returns true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>true or false, depending on whether this instance and
<code>other</code> have the same numerator and denominator</DL>
</DD>
</DL>
<HR>
<A NAME="isOne()"><!-- --></A><H3>
isOne</H3>
<PRE>
public boolean <B>isOne</B>()</PRE>
<DL>
<DD>Returns true or false, depending on whether this instance is equal to
1/1.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>true or false, depending on whether this instance is equal to
1/1</DL>
</DD>
</DL>
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TJTransform
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org.libjpegturbo.turbojpeg</FONT>
<BR>
Class TJTransform</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by ">java.awt.geom.RectangularShape
<IMG SRC="../../../resources/inherit.gif" ALT="extended by ">java.awt.geom.Rectangle2D
<IMG SRC="../../../resources/inherit.gif" ALT="extended by ">java.awt.Rectangle
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJTransform</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.awt.Shape, java.io.Serializable, java.lang.Cloneable</DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>TJTransform</B><DT>extends java.awt.Rectangle</DL>
</PRE>
<P>
Lossless transform parameters
<P>
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#org.libjpegturbo.turbojpeg.TJTransform">Serialized Form</A></DL>
<HR>
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from class java.awt.geom.Rectangle2D</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>java.awt.geom.Rectangle2D.Double, java.awt.geom.Rectangle2D.Float</CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#cf">cf</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Custom filter instance</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#NUMOP">NUMOP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The number of lossless transform operations</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#op">op</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transform operation (one of <code>OP_*</code>)</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_HFLIP">OP_HFLIP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Flip (mirror) image horizontally.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_NONE">OP_NONE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Do not transform the position of the image pixels.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT180">OP_ROT180</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Rotate image 180 degrees.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT270">OP_ROT270</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Rotate image counter-clockwise by 90 degrees.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_ROT90">OP_ROT90</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Rotate image clockwise by 90 degrees.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSPOSE">OP_TRANSPOSE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transpose image (flip/mirror along upper left to lower right axis).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_TRANSVERSE">OP_TRANSVERSE</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transverse transpose image (flip/mirror along upper right to lower left
axis).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OP_VFLIP">OP_VFLIP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Flip (mirror) image vertically.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_CROP">OPT_CROP</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will enable lossless cropping.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_GRAY">OPT_GRAY</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will discard the color data in the input image and produce
a grayscale output image.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_NOOUTPUT">OPT_NOOUTPUT</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will prevent <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> from outputting a JPEG image for this
particular transform.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT">OPT_PERFECT</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will cause <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> to throw an exception if the transform is not
perfect.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_TRIM">OPT_TRIM</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This option will discard any partial MCU blocks that cannot be
transformed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#options">options</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Transform options (bitwise OR of one or more of <code>OPT_*</code>)</TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_java.awt.Rectangle"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class java.awt.Rectangle</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>height, width, x, y</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_java.awt.geom.Rectangle2D"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class java.awt.geom.Rectangle2D</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>OUT_BOTTOM, OUT_LEFT, OUT_RIGHT, OUT_TOP</CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform()">TJTransform</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new lossless transform instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)">TJTransform</A></B>(int&nbsp;x,
int&nbsp;y,
int&nbsp;w,
int&nbsp;h,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new lossless transform instance with the given parameters.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)">TJTransform</A></B>(java.awt.Rectangle&nbsp;r,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new lossless transform instance with the given parameters.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.Rectangle"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.awt.Rectangle</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>add, add, add, contains, contains, contains, contains, createIntersection, createUnion, equals, getBounds, getBounds2D, getHeight, getLocation, getSize, getWidth, getX, getY, grow, inside, intersection, intersects, isEmpty, move, outcode, reshape, resize, setBounds, setBounds, setLocation, setLocation, setRect, setSize, setSize, toString, translate, union</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.geom.Rectangle2D"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.awt.geom.Rectangle2D</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>add, add, add, contains, contains, getPathIterator, getPathIterator, hashCode, intersect, intersects, intersectsLine, intersectsLine, outcode, setFrame, setRect, union</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.geom.RectangularShape"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.awt.geom.RectangularShape</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, contains, contains, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.awt.Shape"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface java.awt.Shape</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>contains, contains, contains, contains, getPathIterator, getPathIterator, intersects, intersects</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ============ FIELD DETAIL =========== -->
<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Field Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="NUMOP"><!-- --></A><H3>
NUMOP</H3>
<PRE>
public static final int <B>NUMOP</B></PRE>
<DL>
<DD>The number of lossless transform operations
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.NUMOP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_NONE"><!-- --></A><H3>
OP_NONE</H3>
<PRE>
public static final int <B>OP_NONE</B></PRE>
<DL>
<DD>Do not transform the position of the image pixels.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_NONE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_HFLIP"><!-- --></A><H3>
OP_HFLIP</H3>
<PRE>
public static final int <B>OP_HFLIP</B></PRE>
<DL>
<DD>Flip (mirror) image horizontally. This transform is imperfect if there
are any partial MCU blocks on the right edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_HFLIP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_VFLIP"><!-- --></A><H3>
OP_VFLIP</H3>
<PRE>
public static final int <B>OP_VFLIP</B></PRE>
<DL>
<DD>Flip (mirror) image vertically. This transform is imperfect if there are
any partial MCU blocks on the bottom edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_VFLIP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_TRANSPOSE"><!-- --></A><H3>
OP_TRANSPOSE</H3>
<PRE>
public static final int <B>OP_TRANSPOSE</B></PRE>
<DL>
<DD>Transpose image (flip/mirror along upper left to lower right axis). This
transform is always perfect.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSPOSE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_TRANSVERSE"><!-- --></A><H3>
OP_TRANSVERSE</H3>
<PRE>
public static final int <B>OP_TRANSVERSE</B></PRE>
<DL>
<DD>Transverse transpose image (flip/mirror along upper right to lower left
axis). This transform is imperfect if there are any partial MCU blocks in
the image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_TRANSVERSE">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_ROT90"><!-- --></A><H3>
OP_ROT90</H3>
<PRE>
public static final int <B>OP_ROT90</B></PRE>
<DL>
<DD>Rotate image clockwise by 90 degrees. This transform is imperfect if
there are any partial MCU blocks on the bottom edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT90">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_ROT180"><!-- --></A><H3>
OP_ROT180</H3>
<PRE>
public static final int <B>OP_ROT180</B></PRE>
<DL>
<DD>Rotate image 180 degrees. This transform is imperfect if there are any
partial MCU blocks in the image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT180">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OP_ROT270"><!-- --></A><H3>
OP_ROT270</H3>
<PRE>
public static final int <B>OP_ROT270</B></PRE>
<DL>
<DD>Rotate image counter-clockwise by 90 degrees. This transform is imperfect
if there are any partial MCU blocks on the right edge.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#OPT_PERFECT"><CODE>OPT_PERFECT</CODE></A>,
<A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OP_ROT270">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_PERFECT"><!-- --></A><H3>
OPT_PERFECT</H3>
<PRE>
public static final int <B>OPT_PERFECT</B></PRE>
<DL>
<DD>This option will cause <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> to throw an exception if the transform is not
perfect. Lossless transforms operate on MCU blocks, whose size depends on
the level of chrominance subsampling used. If the image's width or height
is not evenly divisible by the MCU block size (see <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUWidth(int)"><CODE>TJ.getMCUWidth(int)</CODE></A>
and <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUHeight(int)"><CODE>TJ.getMCUHeight(int)</CODE></A>), then there will be partial MCU blocks on the
right and/or bottom edges. It is not possible to move these partial MCU
blocks to the top or left of the image, so any transform that would
require that is "imperfect." If this option is not specified, then any
partial MCU blocks that cannot be transformed will be left in place, which
will create odd-looking strips on the right or bottom edge of the image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_PERFECT">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_TRIM"><!-- --></A><H3>
OPT_TRIM</H3>
<PRE>
public static final int <B>OPT_TRIM</B></PRE>
<DL>
<DD>This option will discard any partial MCU blocks that cannot be
transformed.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_TRIM">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_CROP"><!-- --></A><H3>
OPT_CROP</H3>
<PRE>
public static final int <B>OPT_CROP</B></PRE>
<DL>
<DD>This option will enable lossless cropping.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_CROP">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_GRAY"><!-- --></A><H3>
OPT_GRAY</H3>
<PRE>
public static final int <B>OPT_GRAY</B></PRE>
<DL>
<DD>This option will discard the color data in the input image and produce
a grayscale output image.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_GRAY">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OPT_NOOUTPUT"><!-- --></A><H3>
OPT_NOOUTPUT</H3>
<PRE>
public static final int <B>OPT_NOOUTPUT</B></PRE>
<DL>
<DD>This option will prevent <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>TJTransformer.transform()</CODE></A> from outputting a JPEG image for this
particular transform. This can be used in conjunction with a custom
filter to capture the transformed DCT coefficients without transcoding
them.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#org.libjpegturbo.turbojpeg.TJTransform.OPT_NOOUTPUT">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="op"><!-- --></A><H3>
op</H3>
<PRE>
public int <B>op</B></PRE>
<DL>
<DD>Transform operation (one of <code>OP_*</code>)
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="options"><!-- --></A><H3>
options</H3>
<PRE>
public int <B>options</B></PRE>
<DL>
<DD>Transform options (bitwise OR of one or more of <code>OPT_*</code>)
<P>
<DL>
</DL>
</DL>
<HR>
<A NAME="cf"><!-- --></A><H3>
cf</H3>
<PRE>
public <A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A> <B>cf</B></PRE>
<DL>
<DD>Custom filter instance
<P>
<DL>
</DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="TJTransform()"><!-- --></A><H3>
TJTransform</H3>
<PRE>
public <B>TJTransform</B>()</PRE>
<DL>
<DD>Create a new lossless transform instance.
<P>
</DL>
<HR>
<A NAME="TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><!-- --></A><H3>
TJTransform</H3>
<PRE>
public <B>TJTransform</B>(int&nbsp;x,
int&nbsp;y,
int&nbsp;w,
int&nbsp;h,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a new lossless transform instance with the given parameters.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>x</CODE> - the left boundary of the cropping region. This must be evenly
divisible by the MCU block width (see <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUWidth(int)"><CODE>TJ.getMCUWidth(int)</CODE></A>)<DD><CODE>y</CODE> - the upper boundary of the cropping region. This must be evenly
divisible by the MCU block height (see <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#getMCUHeight(int)"><CODE>TJ.getMCUHeight(int)</CODE></A>)<DD><CODE>w</CODE> - the width of the cropping region. Setting this to 0 is the
equivalent of setting it to the width of the source JPEG image - x.<DD><CODE>h</CODE> - the height of the cropping region. Setting this to 0 is the
equivalent of setting it to the height of the source JPEG image - y.<DD><CODE>op</CODE> - one of the transform operations (<code>OP_*</code>)<DD><CODE>options</CODE> - the bitwise OR of one or more of the transform options
(<code>OPT_*</code>)<DD><CODE>cf</CODE> - an instance of an object that implements the <A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><CODE>TJCustomFilter</CODE></A> interface, or null if no custom filter is needed
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJTransform(java.awt.Rectangle, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><!-- --></A><H3>
TJTransform</H3>
<PRE>
public <B>TJTransform</B>(java.awt.Rectangle&nbsp;r,
int&nbsp;op,
int&nbsp;options,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg">TJCustomFilter</A>&nbsp;cf)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a new lossless transform instance with the given parameters.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>r</CODE> - a <code>Rectangle</code> instance that specifies the cropping
region. See <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html#TJTransform(int, int, int, int, int, int, org.libjpegturbo.turbojpeg.TJCustomFilter)"><CODE>TJTransform(int, int, int, int, int, int, TJCustomFilter)</CODE></A> for more
detail.<DD><CODE>op</CODE> - one of the transform operations (<code>OP_*</code>)<DD><CODE>options</CODE> - the bitwise OR of one or more of the transform options
(<code>OPT_*</code>)<DD><CODE>cf</CODE> - an instance of an object that implements the <A HREF="../../../org/libjpegturbo/turbojpeg/TJCustomFilter.html" title="interface in org.libjpegturbo.turbojpeg"><CODE>TJCustomFilter</CODE></A> interface, or null if no custom filter is needed
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
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<FONT SIZE="-1">
org.libjpegturbo.turbojpeg</FONT>
<BR>
Class TJTransformer</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">org.libjpegturbo.turbojpeg.TJDecompressor</A>
<IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.libjpegturbo.turbojpeg.TJTransformer</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>TJTransformer</B><DT>extends <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A></DL>
</PRE>
<P>
TurboJPEG lossless transformer
<P>
<P>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
<A NAME="field_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.libjpegturbo.turbojpeg.TJDecompressor"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#handle">handle</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBuf">jpegBuf</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegBufSize">jpegBufSize</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegHeight">jpegHeight</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegSubsamp">jpegSubsamp</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#jpegWidth">jpegWidth</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<A NAME="constructor_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<B>Constructor Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer()">TJTransformer</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG lossless transformer instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[])">TJTransformer</A></B>(byte[]&nbsp;jpegImage)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG lossless transformer instance and associate the JPEG
image stored in <code>jpegImage</code> with the newly-created instance.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#TJTransformer(byte[], int)">TJTransformer</A></B>(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a TurboJPEG lossless transformer instance and associate the JPEG
image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with the newly-created instance.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#getTransformedSizes()">getTransformedSizes</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an array containing the sizes of the transformed JPEG images from
the most recent call to <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>transform()</CODE></A>.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)">transform</A></B>(byte[][]&nbsp;dstBufs,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Losslessly transform the JPEG image associated with this transformer
instance into one or more JPEG images stored in the given destination
buffers.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(org.libjpegturbo.turbojpeg.TJTransform[], int)">transform</A></B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Losslessly transform the JPEG image associated with this transformer
instance and return an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.libjpegturbo.turbojpeg.TJDecompressor"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.libjpegturbo.turbojpeg.<A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#close()">close</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(java.awt.image.BufferedImage, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(byte[], int, int, int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int[], int, int, int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompress(int, int, int, int, int)">decompress</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(byte[], int)">decompressToYUV</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#decompressToYUV(int)">decompressToYUV</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#finalize()">finalize</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getHeight()">getHeight</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGBuf()">getJPEGBuf</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getJPEGSize()">getJPEGSize</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledHeight(int, int)">getScaledHeight</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getScaledWidth(int, int)">getScaledWidth</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getSubsamp()">getSubsamp</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#getWidth()">getWidth</A>, <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html#setJPEGImage(byte[], int)">setJPEGImage</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="TJTransformer()"><!-- --></A><H3>
TJTransformer</H3>
<PRE>
public <B>TJTransformer</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG lossless transformer instance.
<P>
<DL>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJTransformer(byte[])"><!-- --></A><H3>
TJTransformer</H3>
<PRE>
public <B>TJTransformer</B>(byte[]&nbsp;jpegImage)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image stored in <code>jpegImage</code> with the newly-created instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>jpegImage</CODE> - JPEG image buffer (size of the JPEG image is assumed to
be the length of the array)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<HR>
<A NAME="TJTransformer(byte[], int)"><!-- --></A><H3>
TJTransformer</H3>
<PRE>
public <B>TJTransformer</B>(byte[]&nbsp;jpegImage,
int&nbsp;imageSize)
throws java.lang.Exception</PRE>
<DL>
<DD>Create a TurboJPEG lossless transformer instance and associate the JPEG
image of length <code>imageSize</code> bytes stored in
<code>jpegImage</code> with the newly-created instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>jpegImage</CODE> - JPEG image buffer<DD><CODE>imageSize</CODE> - size of the JPEG image (in bytes)
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><!-- --></A><H3>
transform</H3>
<PRE>
public void <B>transform</B>(byte[][]&nbsp;dstBufs,
<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Losslessly transform the JPEG image associated with this transformer
instance into one or more JPEG images stored in the given destination
buffers. Lossless transforms work by moving the raw coefficients from one
JPEG image structure to another without altering the values of the
coefficients. While this is typically faster than decompressing the
image, transforming it, and re-compressing it, lossless transforms are not
free. Each lossless transform requires reading and Huffman decoding all
of the coefficients in the source image, regardless of the size of the
destination image. Thus, this method provides a means of generating
multiple transformed images from the same source or of applying multiple
transformations simultaneously, in order to eliminate the need to read the
source coefficients multiple times.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dstBufs</CODE> - an array of image buffers. <code>dstbufs[i]</code> will
receive a JPEG image that has been transformed using the parameters in
<code>transforms[i]</code>. Use <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html#bufSize(int, int, int)"><CODE>TJ.bufSize(int, int, int)</CODE></A> to determine the
maximum size for each buffer based on the cropped width and height.<DD><CODE>transforms</CODE> - an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJTransform</CODE></A> instances, each of
which specifies the transform parameters and/or cropping region for the
corresponding transformed output image<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="transform(org.libjpegturbo.turbojpeg.TJTransform[], int)"><!-- --></A><H3>
transform</H3>
<PRE>
public <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg">TJDecompressor</A>[] <B>transform</B>(<A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg">TJTransform</A>[]&nbsp;transforms,
int&nbsp;flags)
throws java.lang.Exception</PRE>
<DL>
<DD>Losslessly transform the JPEG image associated with this transformer
instance and return an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transforms</CODE> - an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransform.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJTransform</CODE></A> instances, each of
which specifies the transform parameters and/or cropping region for the
corresponding transformed output image<DD><CODE>flags</CODE> - the bitwise OR of one or more of <A HREF="../../../org/libjpegturbo/turbojpeg/TJ.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJ.FLAG_*</CODE></A>
<DT><B>Returns:</B><DD>an array of <A HREF="../../../org/libjpegturbo/turbojpeg/TJDecompressor.html" title="class in org.libjpegturbo.turbojpeg"><CODE>TJDecompressor</CODE></A> instances, each of
which has a transformed JPEG image associated with it
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
<HR>
<A NAME="getTransformedSizes()"><!-- --></A><H3>
getTransformedSizes</H3>
<PRE>
public int[] <B>getTransformedSizes</B>()
throws java.lang.Exception</PRE>
<DL>
<DD>Returns an array containing the sizes of the transformed JPEG images from
the most recent call to <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>transform()</CODE></A>.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>an array containing the sizes of the transformed JPEG images from
the most recent call to <A HREF="../../../org/libjpegturbo/turbojpeg/TJTransformer.html#transform(byte[][], org.libjpegturbo.turbojpeg.TJTransform[], int)"><CODE>transform()</CODE></A>
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE></DL>
</DD>
</DL>
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