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17 Commits

Author SHA1 Message Date
DRC
dc4b900223 TurboJPEG: Add alpha offset array/method 
Also, set the red/green/blue offsets for TJPF_GRAY to -1 rather than 0.
It was undefined behavior for an application to use those arrays/methods
with TJPF_GRAY anyhow, and this makes it easier for applications to
programmatically detect whether a given pixel format has red, green, and
blue components.
 2017-11-17 22:49:07 -06:00
DRC
739edeb8a6 Further exception cleanup 
Use a new checked exception type (TJException) when passing through
errors from the underlying C library. This gives the application a
choice of catching all exceptions or just those from TurboJPEG.

Throw IllegalArgumentException at the JNI level when arguments to the
JNI function are incorrect, and when one of the TurboJPEG "utility"
functions returns an error (because, per the C API specification, those
functions will only return an error if one of their arguments is out of
range.)

Remove "throws Exception" from the signature of any methods that no
longer pass through an error from the TurboJPEG C library.

Credit Viktor for the new code

Code formatting tweaks
 2015-07-27 03:40:58 -05:00
DRC
1a4778f8f0 Allow TJCompressor and TJDecompressor to be used with a try-with-resources statement in Java 7 and later. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1594 632fc199-4ca6-4c93-a231-07263d6284db
 2015-07-07 16:39:03 +00:00
DRC
6ffed933d7 Generate the Java documentation using javadoc 7, to improve readability. 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1178 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 23:12:25 +00:00
DRC
fc26b6577a Extend the YUV decode functionality to the TurboJPEG Java API, and port the TJUnitTest modifications that treat YUV encoding/decoding as an intermediate step of the JPEG compression/decompression pipeline rather than a separate test case; Add the ability to encode YUV images from an arbitrary position in a large image buffer; Significantly refactor the handling of YUV images; numerous doc tweaks; other Java API cleanup and usability improvements 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1176 632fc199-4ca6-4c93-a231-07263d6284db
 2014-03-16 22:56:26 +00:00
DRC
f82b9f968b Add note regarding the fact that 4:4:0 lacks full SIMD support; Add an option for benchmarking 4:4:0 subsampling in TJBench; Wordsmithing; Disable timestamp in generated HTML files to make diffing and merging easier 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1015 632fc199-4ca6-4c93-a231-07263d6284db
 2013-08-18 10:39:30 +00:00
DRC
fef9852da3 Extend the TurboJPEG Java API to support generating YUV images with arbitrary padding and to support image scaling when decompressing to YUV 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@975 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-28 01:32:52 +00:00
DRC
65d4a46d3b Java doc tweaks 
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@966 632fc199-4ca6-4c93-a231-07263d6284db
 2013-04-27 01:06:52 +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
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
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
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
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
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
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
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
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