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807
BUILDING.txt
807
BUILDING.txt
@@ -1,807 +0,0 @@
|
||||
*******************************************************************************
|
||||
** Building on Un*x Platforms (including Cygwin and OS X)
|
||||
*******************************************************************************
|
||||
|
||||
|
||||
==================
|
||||
Build Requirements
|
||||
==================
|
||||
|
||||
-- autoconf 2.56 or later
|
||||
-- automake 1.7 or later
|
||||
-- libtool 1.4 or later
|
||||
* If using Xcode 4.3 or later on OS X, autoconf and automake are no longer
|
||||
provided. The easiest way to obtain them is from MacPorts
|
||||
(http://www.macports.org/).
|
||||
|
||||
-- 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 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`
|
||||
rpmbuild --rebuild nasm-{version}.src.rpm
|
||||
rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-{version}.$ARCH.rpm
|
||||
|
||||
NOTE: the NASM build will fail if texinfo is not installed.
|
||||
|
||||
-- GCC v4.1 or later recommended for best performance
|
||||
* Beginning with Xcode 4, Apple stopped distributing GCC and switched to
|
||||
the LLVM compiler. Xcode v4.0 through v4.6 provides a GCC front end
|
||||
called LLVM-GCC. Unfortunately, as of this writing, neither LLVM-GCC nor
|
||||
the LLVM (clang) compiler produces optimal performance with libjpeg-turbo.
|
||||
Building libjpeg-turbo with LLVM-GCC v4.2 results in a 10% performance
|
||||
degradation when compressing using 64-bit code, relative to building
|
||||
libjpeg-turbo with GCC v4.2. Building libjpeg-turbo with LLVM (clang)
|
||||
results in a 20% performance degradation when compressing using 64-bit
|
||||
code, relative to building libjpeg-turbo with GCC v4.2. If you are
|
||||
running Snow Leopard or earlier, it is suggested that you continue to use
|
||||
Xcode v3.2.6, which provides GCC v4.2. If you are using Lion or later, it
|
||||
is suggested that you install Apple GCC v4.2 through MacPorts.
|
||||
|
||||
-- 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://developer.apple.com/downloads (Apple ID required.)
|
||||
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, Cygwin, and
|
||||
Solaris/x86 systems (on Solaris, this generates a 32-bit library. See below
|
||||
for 64-bit build instructions.)
|
||||
|
||||
cd {source_directory}
|
||||
autoreconf -fiv
|
||||
cd {build_directory}
|
||||
sh {source_directory}/configure [additional configure flags]
|
||||
make
|
||||
|
||||
NOTE: Running autoreconf in the source directory is usually only necessary if
|
||||
building libjpeg-turbo from the SVN repository.
|
||||
|
||||
This will generate the following files under .libs/
|
||||
|
||||
libjpeg.a
|
||||
Static link library for the libjpeg API
|
||||
|
||||
libjpeg.so.{version} (Linux, Unix)
|
||||
libjpeg.{version}.dylib (OS X)
|
||||
cygjpeg-{version}.dll (Cygwin)
|
||||
Shared library for the libjpeg API
|
||||
|
||||
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)
|
||||
Development symlink for the libjpeg API
|
||||
|
||||
libjpeg.dll.a (Cygwin)
|
||||
Import library for the libjpeg API
|
||||
|
||||
libturbojpeg.a
|
||||
Static link library for the TurboJPEG API
|
||||
|
||||
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)
|
||||
Development symlink for the TurboJPEG API
|
||||
|
||||
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.
|
||||
|
||||
|
||||
========================
|
||||
Installing libjpeg-turbo
|
||||
========================
|
||||
|
||||
If you intend to install these libraries and the associated header files, then
|
||||
replace 'make' in the instructions above with
|
||||
|
||||
make install prefix={base dir} libdir={library directory}
|
||||
|
||||
For example,
|
||||
|
||||
make install prefix=/usr/local libdir=/usr/local/lib64
|
||||
|
||||
will install the header files in /usr/local/include and the library files in
|
||||
/usr/local/lib64. If 'prefix' and 'libdir' are not specified, then the default
|
||||
is to install the header files in /opt/libjpeg-turbo/include and the library
|
||||
files in /opt/libjpeg-turbo/lib32 (32-bit) or /opt/libjpeg-turbo/lib64
|
||||
(64-bit.)
|
||||
|
||||
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 symlinks
|
||||
to force applications to use libjpeg-turbo instead of libjpeg. See
|
||||
README-turbo.txt for more information.
|
||||
|
||||
|
||||
=============
|
||||
Build Recipes
|
||||
=============
|
||||
|
||||
|
||||
32-bit Build on 64-bit Linux
|
||||
----------------------------
|
||||
|
||||
Add
|
||||
|
||||
--host i686-pc-linux-gnu CFLAGS='-O3 -m32' LDFLAGS=-m32
|
||||
|
||||
to the configure command line.
|
||||
|
||||
|
||||
64-bit Build on 64-bit OS X
|
||||
---------------------------
|
||||
|
||||
Add
|
||||
|
||||
--host x86_64-apple-darwin NASM=/opt/local/bin/nasm
|
||||
|
||||
to the configure command line. NASM 2.07 or later from MacPorts must be
|
||||
installed.
|
||||
|
||||
|
||||
32-bit Build on 64-bit OS X
|
||||
---------------------------
|
||||
|
||||
Add
|
||||
|
||||
--host i686-apple-darwin CFLAGS='-O3 -m32' LDFLAGS=-m32
|
||||
|
||||
to the configure command line.
|
||||
|
||||
|
||||
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' \
|
||||
LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
|
||||
-mmacosx-version-min=10.4'
|
||||
|
||||
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 Build on OS X
|
||||
----------------------------------------
|
||||
|
||||
Add
|
||||
|
||||
--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'
|
||||
|
||||
to the configure command line. The OS X 10.4 SDK must be installed.
|
||||
|
||||
|
||||
64-bit Library Build on 64-bit Solaris
|
||||
--------------------------------------
|
||||
|
||||
Add
|
||||
|
||||
--host x86_64-pc-solaris CFLAGS='-O3 -m64' LDFLAGS=-m64
|
||||
|
||||
to the configure command line.
|
||||
|
||||
|
||||
32-bit Build on 64-bit FreeBSD
|
||||
------------------------------
|
||||
|
||||
Add
|
||||
|
||||
--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.
|
||||
|
||||
|
||||
Oracle Solaris Studio
|
||||
---------------------
|
||||
|
||||
Add
|
||||
|
||||
CC=cc
|
||||
|
||||
to the configure command line. libjpeg-turbo will automatically be built with
|
||||
the maximum optimization level (-xO5) unless you override CFLAGS.
|
||||
|
||||
To build a 64-bit version of libjpeg-turbo using Oracle Solaris Studio, add
|
||||
|
||||
--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://sourceforge.net/p/libjpeg-turbo/code/HEAD/tree/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
|
||||
|
||||
Xcode 4.6.x / iOS 6.1 SDK:
|
||||
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
|
||||
IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS6.1.sdk
|
||||
IOS_GCC=$IOS_PLATFORMDIR/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2
|
||||
|
||||
Xcode 5.0.x / iOS 7.0 SDK:
|
||||
IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
|
||||
IOS_SYSROOT=$IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS7.0.sdk
|
||||
IOS_GCC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
|
||||
|
||||
ARM v6 only (up to and including iPhone 3G):
|
||||
[NOTE: Requires Xcode 4.4.x or earlier]
|
||||
IOS_CFLAGS="-march=armv6 -mcpu=arm1176jzf-s -mfpu=vfp"
|
||||
|
||||
ARM v7 only (iPhone 3GS-4S, iPad 1st-3rd Generation):
|
||||
GCC:
|
||||
IOS_CFLAGS="-march=armv7 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon"
|
||||
Clang:
|
||||
IOS_CFLAGS="-arch armv7 -no-integrated-as"
|
||||
|
||||
ARM v7s only (iPhone 5, iPad 4th Generation):
|
||||
[NOTE: Requires Xcode 4.5 or later]
|
||||
GCC
|
||||
IOS_CFLAGS="-march=armv7s -mcpu=swift -mtune=swift -mfpu=neon"
|
||||
Clang:
|
||||
IOS_CFLAGS="-arch armv7s -no-integrated-as"
|
||||
|
||||
Follow the procedure under "Building libjpeg-turbo" above, adding
|
||||
|
||||
--host arm-apple-darwin10 --enable-static --disable-shared \
|
||||
CC="$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.
|
||||
|
||||
NOTE: If you are building libjpeg-turbo from the "official" project tarball,
|
||||
then it is highly likely that you will need to run 'autoreconf -fiv' in the
|
||||
source tree prior to building ARM v7 or v7s iOS binaries using the techniques
|
||||
described above. Otherwise, you may get a libtool error such as "unable to
|
||||
infer tagged configuration."
|
||||
|
||||
|
||||
*******************************************************************************
|
||||
** Building on Windows (Visual C++ or MinGW)
|
||||
*******************************************************************************
|
||||
|
||||
|
||||
==================
|
||||
Build Requirements
|
||||
==================
|
||||
|
||||
-- CMake (http://www.cmake.org) v2.6 or later
|
||||
|
||||
-- Microsoft Visual C++ 2005 or later
|
||||
|
||||
If you don't already have Visual C++, then the easiest way to get it is by
|
||||
installing the Windows SDK:
|
||||
|
||||
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
|
||||
======================
|
||||
|
||||
|
||||
Visual C++ (Command Line)
|
||||
-------------------------
|
||||
|
||||
cd {build_directory}
|
||||
cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release {source_directory}
|
||||
nmake
|
||||
|
||||
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.
|
||||
|
||||
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
|
||||
|
||||
|
||||
*******************************************************************************
|
||||
** Creating Release Packages
|
||||
*******************************************************************************
|
||||
|
||||
The following commands can be used to create various types of release packages:
|
||||
|
||||
|
||||
Unix/Linux
|
||||
----------
|
||||
|
||||
make rpm
|
||||
|
||||
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
|
||||
Red Hat-style source RPM package from the tarball. Requires RPM v4 or later.
|
||||
|
||||
make deb
|
||||
|
||||
Create Debian-style binary package. Requires dpkg.
|
||||
|
||||
make dmg
|
||||
|
||||
Create Macintosh package/disk image. This requires the PackageMaker
|
||||
application, which must be installed in /Developer/Applications/Utilities.
|
||||
Note that PackageMaker is not included in recent releases of Xcode, but it
|
||||
can be obtained by downloading the "Auxiliary Tools for Xcode" package from
|
||||
http://developer.apple.com/downloads.
|
||||
|
||||
make udmg [BUILDDIR32={32-bit build directory}]
|
||||
|
||||
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 iosdmg [BUILDDIR32={32-bit build directory}] \
|
||||
[BUILDDIRARMV6={ARM v6 build directory}] \
|
||||
[BUILDDIRARMV7={ARM v7 build directory}] \
|
||||
[BUILDDIRARMV7S={ARM v7s build directory}]
|
||||
|
||||
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 cygwinpkg
|
||||
|
||||
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.
|
||||
499
CMakeLists.txt
499
CMakeLists.txt
@@ -1,499 +0,0 @@
|
||||
#
|
||||
# Setup
|
||||
#
|
||||
|
||||
cmake_minimum_required(VERSION 2.8.8)
|
||||
cmake_policy(SET CMP0022 OLD)
|
||||
|
||||
project(libjpeg-turbo C)
|
||||
set(VERSION 1.3.1)
|
||||
|
||||
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()
|
||||
|
||||
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
|
||||
if(MSVC)
|
||||
set(CMAKE_INSTALL_PREFIX_DEFAULT ${CMAKE_PROJECT_NAME})
|
||||
else()
|
||||
set(CMAKE_INSTALL_PREFIX_DEFAULT ${CMAKE_PROJECT_NAME}-gcc)
|
||||
endif()
|
||||
if(64BIT)
|
||||
set(CMAKE_INSTALL_PREFIX_DEFAULT ${CMAKE_INSTALL_PREFIX_DEFAULT}64)
|
||||
endif()
|
||||
set(CMAKE_INSTALL_PREFIX "c:/${CMAKE_INSTALL_PREFIX_DEFAULT}" CACHE PATH
|
||||
"Directory into which to install libjpeg-turbo (default: c:/${CMAKE_INSTALL_PREFIX_DEFAULT})"
|
||||
FORCE)
|
||||
endif()
|
||||
|
||||
message(STATUS "Install directory = ${CMAKE_INSTALL_PREFIX}")
|
||||
|
||||
configure_file(win/jconfig.h.in jconfig.h)
|
||||
configure_file(win/config.h.in config.h)
|
||||
|
||||
include_directories(${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_PROG_ARI 0a8f1c8f66e113c3cf635df0a475a617)
|
||||
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)
|
||||
add_test(cjpeg-prog-ari sharedlib/cjpeg -dct int -progressive -arithmetic -sample 1x1 -outfile testoutpa.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
|
||||
add_test(cjpeg-prog-ari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_PROG_ARI} -DFILE=testoutpa.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)
|
||||
add_test(cjpeg-static-prog-ari cjpeg-static -dct int -progressive -arithmetic -sample 1x1 -outfile testoutpa.jpg ${CMAKE_SOURCE_DIR}/testimages/testorig.ppm)
|
||||
add_test(cjpeg-static-prog-ari-cmp ${CMAKE_COMMAND} -DMD5=${MD5_JPEG_PROG_ARI} -DFILE=testoutpa.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_REG_NAME ${CMAKE_PROJECT_NAME})
|
||||
elseif(MINGW)
|
||||
set(INST_PLATFORM GCC)
|
||||
set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-gcc)
|
||||
set(INST_REG_NAME ${CMAKE_PROJECT_NAME}-gcc)
|
||||
set(INST_DEFS -DGCC)
|
||||
endif()
|
||||
|
||||
if(64BIT)
|
||||
set(INST_PLATFORM "${INST_PLATFORM} 64-bit")
|
||||
set(INST_NAME ${INST_NAME}64)
|
||||
set(INST_REG_NAME ${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()
|
||||
|
||||
STRING(REGEX REPLACE "/" "\\\\" INST_DIR ${CMAKE_INSTALL_PREFIX})
|
||||
|
||||
configure_file(release/libjpeg-turbo.nsi.in libjpeg-turbo.nsi @ONLY)
|
||||
|
||||
if(WITH_JAVA)
|
||||
set(JAVA_DEPEND java)
|
||||
endif()
|
||||
add_custom_target(installer
|
||||
makensis -nocd ${INST_DEFS} libjpeg-turbo.nsi
|
||||
DEPENDS jpeg jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom
|
||||
cjpeg djpeg jpegtran tjbench ${JAVA_DEPEND}
|
||||
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)
|
||||
457
ChangeLog.txt
457
ChangeLog.txt
@@ -1,457 +0,0 @@
|
||||
1.3.1
|
||||
=====
|
||||
|
||||
[1] On Un*x systems, 'make install' now installs the libjpeg-turbo libraries
|
||||
into /opt/libjpeg-turbo/lib32 by default on any 32-bit system, not just x86,
|
||||
and into /opt/libjpeg-turbo/lib64 by default on any 64-bit system, not just
|
||||
x86-64. You can override this by overriding either the 'prefix' or 'libdir'
|
||||
configure variables.
|
||||
|
||||
[2] The Windows installer now places a copy of the TurboJPEG DLLs in the same
|
||||
directory as the rest of the libjpeg-turbo binaries. This was mainly done
|
||||
to support TurboVNC 1.3, which bundles the DLLs in its Windows installation.
|
||||
When using a 32-bit version of CMake on 64-bit Windows, it is impossible to
|
||||
access the c:\WINDOWS\system32 directory, which made it impossible for the
|
||||
TurboVNC build scripts to bundle the 64-bit TurboJPEG DLL.
|
||||
|
||||
[3] Fixed a bug whereby attempting to encode a progressive JPEG with arithmetic
|
||||
entropy coding (by passing arguments of -progressive -arithmetic to cjpeg or
|
||||
jpegtran, for instance) would result in an error, "Requested feature was
|
||||
omitted at compile time".
|
||||
|
||||
[4] Fixed a couple of issues whereby malformed JPEG images would cause
|
||||
libjpeg-turbo to use uninitialized memory during decompression.
|
||||
|
||||
[5] Fixed an error ("Buffer passed to JPEG library is too small") that occurred
|
||||
when calling the TurboJPEG YUV encoding function with a very small (< 5x5)
|
||||
source image, and added a unit test to check for this error.
|
||||
|
||||
[6] The Java classes should now build properly under Visual Studio 2010 and
|
||||
later.
|
||||
|
||||
[7] Fixed an issue that prevented SRPMs generated using the in-tree packaging
|
||||
tools from being rebuilt on certain newer Linux distributions.
|
||||
|
||||
[8] Numerous minor fixes to eliminate compilation and build/packaging system
|
||||
warnings, fix cosmetic issues, improve documentation clarity, and other general
|
||||
source cleanup.
|
||||
|
||||
|
||||
1.3.0
|
||||
=====
|
||||
|
||||
[1] 'make test' now works properly on FreeBSD, and it no longer requires the
|
||||
md5sum executable to be present on other Un*x platforms.
|
||||
|
||||
[2] Overhauled the packaging system:
|
||||
-- To avoid conflict with vendor-supplied libjpeg-turbo packages, the
|
||||
official RPMs and DEBs for libjpeg-turbo have been renamed to
|
||||
"libjpeg-turbo-official".
|
||||
-- The TurboJPEG libraries are now located under /opt/libjpeg-turbo in the
|
||||
official Linux and Mac packages, to avoid conflict with vendor-supplied
|
||||
packages and also to streamline the packaging system.
|
||||
-- Release packages are now created with the directory structure defined
|
||||
by the configure variables "prefix", "bindir", "libdir", etc. (Un*x) or by the
|
||||
CMAKE_INSTALL_PREFIX variable (Windows.) The exception is that the docs are
|
||||
always located under the system default documentation directory on Un*x and Mac
|
||||
systems, and on Windows, the TurboJPEG DLL is always located in the Windows
|
||||
system directory.
|
||||
-- To avoid confusion, official libjpeg-turbo packages on Linux/Unix platforms
|
||||
(except for Mac) will always install the 32-bit libraries in
|
||||
/opt/libjpeg-turbo/lib32 and the 64-bit libraries in /opt/libjpeg-turbo/lib64.
|
||||
-- Fixed an issue whereby, in some cases, the libjpeg-turbo executables on Un*x
|
||||
systems were not properly linking with the shared libraries installed by the
|
||||
same package.
|
||||
-- Fixed an issue whereby building the "installer" target on Windows when
|
||||
WITH_JAVA=1 would fail if the TurboJPEG JAR had not been previously built.
|
||||
-- Building the "install" target on Windows now installs files into the same
|
||||
places that the installer does.
|
||||
|
||||
[3] Fixed a Huffman encoder bug that prevented I/O suspension from working
|
||||
properly.
|
||||
|
||||
|
||||
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 have a policy against accepting any library that isn't
|
||||
versioned.
|
||||
|
||||
[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 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.
|
||||
|
||||
|
||||
1.0.0
|
||||
=====
|
||||
|
||||
[1] 2983700: Further FreeBSD build tweaks (no longer necessary to specify
|
||||
--host when configuring on a 64-bit system)
|
||||
|
||||
[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.
|
||||
|
||||
[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
|
||||
contains just the 32-bit libjpeg-turbo libraries.
|
||||
|
||||
[5] Moved the libraries from */lib32 to */lib in the i386 Debian package.
|
||||
|
||||
[6] Include distribution package for Cygwin
|
||||
|
||||
[7] No longer necessary to specify --without-simd on non-x86 architectures, and
|
||||
unit tests now work on those architectures.
|
||||
|
||||
|
||||
0.0.93
|
||||
======
|
||||
|
||||
[1] 2982659, Fixed x86-64 build on FreeBSD systems
|
||||
|
||||
[2] 2988188: Added support for Windows 64-bit systems
|
||||
|
||||
|
||||
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
|
||||
505
Makefile.am
505
Makefile.am
@@ -1,405 +1,134 @@
|
||||
## Process this file with automake to produce Makefile.in
|
||||
#
|
||||
# Automake Makefile for the JPEG library
|
||||
#
|
||||
# This file is written by Bob Friesenhahn, Guido Vollbeding
|
||||
#
|
||||
|
||||
# Sources to build library
|
||||
LIBSOURCES = jaricom.c jcapimin.c jcapistd.c jcarith.c jccoefct.c jccolor.c \
|
||||
jcdctmgr.c jchuff.c jcinit.c jcmainct.c jcmarker.c jcmaster.c \
|
||||
jcomapi.c jcparam.c jcprepct.c jcsample.c jctrans.c jdapimin.c \
|
||||
jdapistd.c jdarith.c jdatadst.c jdatasrc.c jdcoefct.c jdcolor.c \
|
||||
jddctmgr.c jdhuff.c jdinput.c jdmainct.c jdmarker.c jdmaster.c \
|
||||
jdmerge.c jdpostct.c jdsample.c jdtrans.c jerror.c jfdctflt.c \
|
||||
jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c jquant1.c \
|
||||
jquant2.c jutils.c jmemmgr.c @MEMORYMGR@.c
|
||||
|
||||
# System dependent sources
|
||||
SYSDEPSOURCES = jmemansi.c jmemname.c jmemnobs.c jmemdos.c jmemmac.c
|
||||
|
||||
# Headers which are installed to support the library
|
||||
INSTINCLUDES = jerror.h jmorecfg.h jpeglib.h
|
||||
|
||||
# Headers which are not installed
|
||||
OTHERINCLUDES = cderror.h cdjpeg.h jdct.h jinclude.h jmemsys.h jpegint.h \
|
||||
jversion.h transupp.h
|
||||
|
||||
# Manual pages (Automake uses 'MANS' for itself)
|
||||
DISTMANS= cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
|
||||
|
||||
# Other documentation files
|
||||
DOCS= README install.txt usage.txt wizard.txt example.c libjpeg.txt \
|
||||
structure.txt coderules.txt filelist.txt change.log
|
||||
|
||||
# Makefiles for various systems
|
||||
MKFILES= configure Makefile.in makefile.ansi makefile.unix makefile.bcc \
|
||||
makefile.mc6 makefile.dj makefile.wat makefile.vc makejdsw.vc6 \
|
||||
makeadsw.vc6 makejdep.vc6 makejdsp.vc6 makejmak.vc6 makecdep.vc6 \
|
||||
makecdsp.vc6 makecmak.vc6 makeddep.vc6 makeddsp.vc6 makedmak.vc6 \
|
||||
maketdep.vc6 maketdsp.vc6 maketmak.vc6 makerdep.vc6 makerdsp.vc6 \
|
||||
makermak.vc6 makewdep.vc6 makewdsp.vc6 makewmak.vc6 makejsln.v10 \
|
||||
makeasln.v10 makejvcx.v10 makejfil.v10 makecvcx.v10 makecfil.v10 \
|
||||
makedvcx.v10 makedfil.v10 maketvcx.v10 maketfil.v10 makervcx.v10 \
|
||||
makerfil.v10 makewvcx.v10 makewfil.v10 makeproj.mac makcjpeg.st \
|
||||
makdjpeg.st makljpeg.st maktjpeg.st makefile.manx makefile.sas \
|
||||
makefile.mms makefile.vms makvms.opt
|
||||
|
||||
# Configuration files
|
||||
CONFIGFILES= jconfig.cfg jconfig.bcc jconfig.mc6 jconfig.dj jconfig.wat \
|
||||
jconfig.vc jconfig.mac jconfig.st jconfig.manx jconfig.sas \
|
||||
jconfig.vms
|
||||
|
||||
# Support scripts for configure
|
||||
CONFIGUREFILES= config.guess config.sub install-sh ltmain.sh depcomp missing
|
||||
|
||||
# Miscellaneous support files
|
||||
OTHERFILES= jconfig.txt ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm \
|
||||
libjpeg.map
|
||||
|
||||
# Test support files
|
||||
TESTFILES= testorig.jpg testimg.ppm testimg.bmp testimg.jpg testprog.jpg \
|
||||
testimgp.jpg
|
||||
|
||||
# libtool libraries to build
|
||||
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
|
||||
# Library sources for libjpeg.la
|
||||
libjpeg_la_SOURCES = $(LIBSOURCES)
|
||||
|
||||
# LDFLAGS for libjpeg.la
|
||||
libjpeg_la_LDFLAGS = -no-undefined \
|
||||
-version-info $(JPEG_LIB_VERSION)
|
||||
|
||||
if HAVE_LD_VERSION_SCRIPT
|
||||
libjpeg_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libjpeg.map
|
||||
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 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 \
|
||||
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
|
||||
libjpeg_la_SOURCES += jaricom.c
|
||||
endif
|
||||
|
||||
if WITH_ARITH_ENC
|
||||
libjpeg_la_SOURCES += jcarith.c
|
||||
endif
|
||||
|
||||
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
|
||||
libjpeg_la_LIBADD = simd/libsimd.la
|
||||
libturbojpeg_la_LIBADD = simd/libsimd.la
|
||||
|
||||
else
|
||||
|
||||
libjpeg_la_SOURCES += jsimd_none.c
|
||||
|
||||
endif
|
||||
|
||||
|
||||
# Executables to build
|
||||
bin_PROGRAMS = cjpeg djpeg jpegtran rdjpgcom wrjpgcom
|
||||
noinst_PROGRAMS = jcstest
|
||||
|
||||
|
||||
if WITH_TURBOJPEG
|
||||
|
||||
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
|
||||
|
||||
|
||||
cjpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c cjpeg.c rdbmp.c rdgif.c \
|
||||
rdppm.c rdswitch.c rdtarga.c
|
||||
|
||||
cjpeg_LDADD = libjpeg.la
|
||||
|
||||
cjpeg_CFLAGS = -DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED \
|
||||
-DTARGA_SUPPORTED
|
||||
|
||||
djpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c djpeg.c rdcolmap.c rdswitch.c \
|
||||
wrbmp.c wrgif.c wrppm.c wrtarga.c
|
||||
|
||||
djpeg_LDADD = libjpeg.la
|
||||
|
||||
djpeg_CFLAGS = -DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED \
|
||||
-DTARGA_SUPPORTED
|
||||
|
||||
jpegtran_SOURCES = jpegtran.c rdswitch.c cdjpeg.c transupp.c transupp.h
|
||||
|
||||
jpegtran_LDADD = libjpeg.la
|
||||
|
||||
# Executable sources & libs
|
||||
cjpeg_SOURCES = cjpeg.c rdppm.c rdgif.c rdtarga.c rdrle.c rdbmp.c \
|
||||
rdswitch.c cdjpeg.c
|
||||
cjpeg_LDADD = libjpeg.la
|
||||
djpeg_SOURCES = djpeg.c wrppm.c wrgif.c wrtarga.c wrrle.c wrbmp.c \
|
||||
rdcolmap.c cdjpeg.c
|
||||
djpeg_LDADD = libjpeg.la
|
||||
jpegtran_SOURCES = jpegtran.c rdswitch.c cdjpeg.c transupp.c
|
||||
jpegtran_LDADD = libjpeg.la
|
||||
rdjpgcom_SOURCES = rdjpgcom.c
|
||||
|
||||
rdjpgcom_LDADD = libjpeg.la
|
||||
|
||||
wrjpgcom_SOURCES = wrjpgcom.c
|
||||
|
||||
wrjpgcom_LDADD = libjpeg.la
|
||||
# Manual pages to install
|
||||
man_MANS = $(DISTMANS)
|
||||
|
||||
jcstest_SOURCES = jcstest.c
|
||||
# Headers to install
|
||||
include_HEADERS = $(INSTINCLUDES)
|
||||
|
||||
jcstest_LDADD = libjpeg.la
|
||||
# Other distributed headers
|
||||
noinst_HEADERS = $(OTHERINCLUDES)
|
||||
|
||||
dist_man1_MANS = cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
|
||||
# Other distributed files
|
||||
EXTRA_DIST = $(DOCS) $(DISTMANS) $(MKFILES) $(CONFIGFILES) $(SYSDEPSOURCES) \
|
||||
$(OTHERFILES) $(TESTFILES)
|
||||
|
||||
DOCS= coderules.txt jconfig.txt change.log rdrle.c wrrle.c BUILDING.txt \
|
||||
ChangeLog.txt
|
||||
# Files to be cleaned
|
||||
CLEANFILES = testout.ppm testout.bmp testout.jpg testoutp.ppm testoutp.jpg \
|
||||
testoutt.jpg
|
||||
|
||||
docdir = $(datadir)/doc
|
||||
dist_doc_DATA = README README-turbo.txt libjpeg.txt structure.txt usage.txt \
|
||||
wizard.txt
|
||||
# Install jconfig.h
|
||||
install-data-local:
|
||||
$(mkinstalldirs) $(DESTDIR)$(includedir)
|
||||
$(INSTALL_HEADER) jconfig.h $(DESTDIR)$(includedir)/jconfig.h
|
||||
|
||||
exampledir = $(datadir)/doc
|
||||
dist_example_DATA = example.c
|
||||
# Uninstall jconfig.h
|
||||
uninstall-local:
|
||||
rm -f $(DESTDIR)$(includedir)/jconfig.h
|
||||
|
||||
|
||||
EXTRA_DIST = win release $(DOCS) testimages 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`
|
||||
|
||||
|
||||
SUBDIRS += md5
|
||||
|
||||
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_PROG_ARI = 0a8f1c8f66e113c3cf635df0a475a617
|
||||
MD5_JPEG_CROP = b4197f377e621c4e9b1d20471432610d
|
||||
|
||||
test: testclean all
|
||||
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
|
||||
md5/md5cmp $(MD5_JPEG_INT) testoutint.jpg
|
||||
./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testimages/testorig.ppm
|
||||
md5/md5cmp $(MD5_JPEG_FAST) testoutfst.jpg
|
||||
./cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg $(srcdir)/testimages/testorig.ppm
|
||||
md5/md5cmp $(MD5_JPEG_FAST_100) testoutfst100.jpg
|
||||
./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testimages/testorig.ppm
|
||||
if WITH_SSE_FLOAT_DCT
|
||||
md5/md5cmp $(MD5_JPEG_FLOAT) testoutflt.jpg
|
||||
else
|
||||
md5/md5cmp $(MD5_JPEG_FLOAT_NOSIMD) testoutflt.jpg
|
||||
endif
|
||||
./cjpeg -dct int -grayscale -outfile testoutgray.jpg $(srcdir)/testimages/testorig.ppm
|
||||
md5/md5cmp $(MD5_JPEG_INT_GRAY) testoutgray.jpg
|
||||
./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testimages/testorig.jpg
|
||||
md5/md5cmp $(MD5_PPM_INT) testoutint.ppm
|
||||
./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testimages/testorig.jpg
|
||||
md5/md5cmp $(MD5_PPM_FAST) testoutfst.ppm
|
||||
./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testimages/testorig.jpg
|
||||
if WITH_SSE_FLOAT_DCT
|
||||
md5/md5cmp $(MD5_PPM_FLOAT) testoutflt.ppm
|
||||
else
|
||||
md5/md5cmp $(MD5_PPM_FLOAT_NOSIMD) testoutflt.ppm
|
||||
endif
|
||||
./djpeg -dct int -nosmooth -scale 2/1 -ppm -outfile testoutint2_1.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_2_1) testoutint2_1.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 15/8 -ppm -outfile testoutint15_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_15_8) testoutint15_8.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 7/4 -ppm -outfile testoutint7_4.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_7_4) testoutint7_4.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 13/8 -ppm -outfile testoutint13_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_13_8) testoutint13_8.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 3/2 -ppm -outfile testoutint3_2.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_3_2) testoutint3_2.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 11/8 -ppm -outfile testoutint11_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_11_8) testoutint11_8.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 5/4 -ppm -outfile testoutint5_4.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_5_4) testoutint5_4.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 9/8 -ppm -outfile testoutint9_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_9_8) testoutint9_8.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 7/8 -ppm -outfile testoutint7_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_7_8) testoutint7_8.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 3/4 -ppm -outfile testoutint3_4.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_3_4) testoutint3_4.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 5/8 -ppm -outfile testoutint5_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_5_8) testoutint5_8.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 1/2 -ppm -outfile testoutint1_2.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_1_2) testoutint1_2.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 3/8 -ppm -outfile testoutint3_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_3_8) testoutint3_8.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 1/4 -ppm -outfile testoutint1_4.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_1_4) testoutint1_4.ppm;
|
||||
./djpeg -dct int -nosmooth -scale 1/8 -ppm -outfile testoutint1_8.ppm $(srcdir)/testimages/testorig.jpg;
|
||||
md5/md5cmp $(MD5_PPM_INT_1_8) testoutint1_8.ppm;
|
||||
./djpeg -dct fast -scale 1/2 -ppm -outfile testoutfst1_2.ppm $(srcdir)/testimages/testorig.jpg
|
||||
md5/md5cmp $(MD5_PPM_FAST_1_2) testoutfst1_2.ppm
|
||||
./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testimages/testorig.jpg
|
||||
md5/md5cmp $(MD5_BMP_256) testout.bmp
|
||||
if WITH_ARITH_ENC
|
||||
./cjpeg -dct int -arithmetic -outfile testoutari.jpg $(srcdir)/testimages/testorig.ppm
|
||||
md5/md5cmp $(MD5_JPEG_ARI) testoutari.jpg
|
||||
./jpegtran -arithmetic -outfile testouta.jpg $(srcdir)/testimages/testimgint.jpg
|
||||
md5/md5cmp $(MD5_JPEG_ARI) testouta.jpg
|
||||
./cjpeg -dct int -progressive -arithmetic -sample 1x1 -outfile testoutpa.jpg $(srcdir)/testimages/testorig.ppm
|
||||
md5/md5cmp $(MD5_JPEG_PROG_ARI) testoutpa.jpg
|
||||
endif
|
||||
if WITH_ARITH_DEC
|
||||
./djpeg -dct int -fast -ppm -outfile testoutari.ppm $(srcdir)/testimages/testimgari.jpg
|
||||
md5/md5cmp $(MD5_PPM_ARI) testoutari.ppm
|
||||
./jpegtran -outfile testouta.jpg $(srcdir)/testimages/testimgari.jpg
|
||||
md5/md5cmp $(MD5_JPEG_INT) testouta.jpg
|
||||
endif
|
||||
./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testimages/testorig.ppm
|
||||
md5/md5cmp $(MD5_JPEG_PROG) testoutp.jpg
|
||||
./jpegtran -outfile testoutt.jpg testoutp.jpg
|
||||
md5/md5cmp $(MD5_JPEG_INT) testoutt.jpg
|
||||
./jpegtran -crop 120x90+20+50 -transpose -perfect -outfile testoutcrop.jpg $(srcdir)/testimages/testorig.jpg
|
||||
md5/md5cmp $(MD5_JPEG_CROP) testoutcrop.jpg
|
||||
|
||||
|
||||
testclean:
|
||||
# Run tests
|
||||
test: check-local
|
||||
check-local:
|
||||
rm -f testout*
|
||||
rm -f *_GRAY_*.bmp
|
||||
rm -f *_GRAY_*.png
|
||||
rm -f *_GRAY_*.ppm
|
||||
rm -f *_GRAY_*.jpg
|
||||
rm -f *_GRAY.yuv
|
||||
rm -f *_420_*.bmp
|
||||
rm -f *_420_*.png
|
||||
rm -f *_420_*.ppm
|
||||
rm -f *_420_*.jpg
|
||||
rm -f *_420.yuv
|
||||
rm -f *_422_*.bmp
|
||||
rm -f *_422_*.png
|
||||
rm -f *_422_*.ppm
|
||||
rm -f *_422_*.jpg
|
||||
rm -f *_422.yuv
|
||||
rm -f *_444_*.bmp
|
||||
rm -f *_444_*.png
|
||||
rm -f *_444_*.ppm
|
||||
rm -f *_444_*.jpg
|
||||
rm -f *_444.yuv
|
||||
rm -f *_440_*.bmp
|
||||
rm -f *_440_*.png
|
||||
rm -f *_440_*.ppm
|
||||
rm -f *_440_*.jpg
|
||||
rm -f *_440.yuv
|
||||
|
||||
|
||||
tjtest:
|
||||
sh ./tjbenchtest
|
||||
if WITH_JAVA
|
||||
sh ./tjbenchtest.java
|
||||
endif
|
||||
|
||||
|
||||
pkgscripts/libjpeg-turbo.spec: pkgscripts/libjpeg-turbo.spec.tmpl
|
||||
cat pkgscripts/libjpeg-turbo.spec.tmpl | sed s@%{__prefix}@$(prefix)@g | \
|
||||
sed s@%{__bindir}@$(bindir)@g | sed s@%{__datadir}@$(datadir)@g | \
|
||||
sed s@%{__docdir}@$(docdir)@g | sed s@%{__includedir}@$(includedir)@g | \
|
||||
sed s@%{__libdir}@$(libdir)@g | sed s@%{__mandir}@$(mandir)@g \
|
||||
> pkgscripts/libjpeg-turbo.spec
|
||||
|
||||
rpm: all pkgscripts/libjpeg-turbo.spec
|
||||
TMPDIR=`mktemp -d /tmp/${PACKAGE_NAME}-build.XXXXXX`; \
|
||||
mkdir -p $$TMPDIR/RPMS; \
|
||||
ln -fs `pwd` $$TMPDIR/BUILD; \
|
||||
rm -f ${PKGNAME}-${VERSION}.${RPMARCH}.rpm; \
|
||||
rpmbuild -bb --define "_blddir $$TMPDIR/buildroot" \
|
||||
--define "_topdir $$TMPDIR" \
|
||||
--target ${RPMARCH} pkgscripts/libjpeg-turbo.spec; \
|
||||
cp $$TMPDIR/RPMS/${RPMARCH}/${PKGNAME}-${VERSION}-${BUILD}.${RPMARCH}.rpm \
|
||||
${PKGNAME}-${VERSION}.${RPMARCH}.rpm; \
|
||||
rm -rf $$TMPDIR
|
||||
|
||||
srpm: dist-gzip pkgscripts/libjpeg-turbo.spec
|
||||
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 $$TMPDIR/SPECS; \
|
||||
rm -f ${PKGNAME}-${VERSION}.src.rpm; \
|
||||
cp ${PACKAGE_NAME}-${VERSION}.tar.gz $$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/${PKGNAME}-${VERSION}-${BUILD}.src.rpm \
|
||||
${PKGNAME}-${VERSION}.src.rpm; \
|
||||
rm -rf $$TMPDIR
|
||||
|
||||
pkgscripts/makedpkg: pkgscripts/makedpkg.tmpl
|
||||
cat pkgscripts/makedpkg.tmpl | sed s@%{__prefix}@$(prefix)@g | \
|
||||
sed s@%{__docdir}@$(docdir)@g | sed s@%{__libdir}@$(libdir)@g \
|
||||
> pkgscripts/makedpkg
|
||||
|
||||
deb: all pkgscripts/makedpkg
|
||||
sh pkgscripts/makedpkg
|
||||
|
||||
pkgscripts/uninstall: pkgscripts/uninstall.tmpl
|
||||
cat pkgscripts/uninstall.tmpl | sed s@%{__prefix}@$(prefix)@g | \
|
||||
sed s@%{__bindir}@$(bindir)@g | sed s@%{__datadir}@$(datadir)@g | \
|
||||
sed s@%{__includedir}@$(includedir)@g | sed s@%{__libdir}@$(libdir)@g | \
|
||||
sed s@%{__mandir}@$(mandir)@g > pkgscripts/uninstall
|
||||
|
||||
pkgscripts/makemacpkg: pkgscripts/makemacpkg.tmpl
|
||||
cat pkgscripts/makemacpkg.tmpl | sed s@%{__prefix}@$(prefix)@g | \
|
||||
sed s@%{__bindir}@$(bindir)@g | sed s@%{__docdir}@$(docdir)@g | \
|
||||
sed s@%{__libdir}@$(libdir)@g > pkgscripts/makemacpkg
|
||||
|
||||
if X86_64
|
||||
|
||||
udmg: all pkgscripts/makemacpkg pkgscripts/uninstall
|
||||
sh pkgscripts/makemacpkg -build32 ${BUILDDIR32}
|
||||
|
||||
iosdmg: all pkgscripts/makemacpkg pkgscripts/uninstall
|
||||
sh pkgscripts/makemacpkg -build32 ${BUILDDIR32} -buildarmv6 ${BUILDDIRARMV6} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S}
|
||||
|
||||
else
|
||||
|
||||
iosdmg: all pkgscripts/makemacpkg pkgscripts/uninstall
|
||||
sh pkgscripts/makemacpkg -buildarmv6 ${BUILDDIRARMV6} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S}
|
||||
|
||||
endif
|
||||
|
||||
dmg: all pkgscripts/makemacpkg pkgscripts/uninstall
|
||||
sh pkgscripts/makemacpkg
|
||||
|
||||
pkgscripts/makecygwinpkg: pkgscripts/makecygwinpkg.tmpl
|
||||
cat pkgscripts/makecygwinpkg.tmpl | sed s@%{__prefix}@$(prefix)@g | \
|
||||
sed s@%{__docdir}@$(docdir)@g | sed s@%{__libdir}@$(libdir)@g \
|
||||
> pkgscripts/makecygwinpkg
|
||||
|
||||
cygwinpkg: all pkgscripts/makecygwinpkg
|
||||
sh pkgscripts/makecygwinpkg
|
||||
./djpeg -dct int -ppm -outfile testout.ppm $(srcdir)/testorig.jpg
|
||||
./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testorig.jpg
|
||||
./cjpeg -dct int -outfile testout.jpg $(srcdir)/testimg.ppm
|
||||
./djpeg -dct int -ppm -outfile testoutp.ppm $(srcdir)/testprog.jpg
|
||||
./cjpeg -dct int -progressive -opt -outfile testoutp.jpg $(srcdir)/testimg.ppm
|
||||
./jpegtran -outfile testoutt.jpg $(srcdir)/testprog.jpg
|
||||
cmp $(srcdir)/testimg.ppm testout.ppm
|
||||
cmp $(srcdir)/testimg.bmp testout.bmp
|
||||
cmp $(srcdir)/testimg.jpg testout.jpg
|
||||
cmp $(srcdir)/testimg.ppm testoutp.ppm
|
||||
cmp $(srcdir)/testimgp.jpg testoutp.jpg
|
||||
cmp $(srcdir)/testorig.jpg testoutt.jpg
|
||||
|
||||
1092
Makefile.in
Normal file
1092
Makefile.in
Normal file
File diff suppressed because it is too large
Load Diff
114
README
114
README
@@ -1,24 +1,19 @@
|
||||
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
|
||||
==========================================
|
||||
|
||||
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.
|
||||
README for release 8c of 16-Jan-2011
|
||||
====================================
|
||||
|
||||
This distribution contains the eighth 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.
|
||||
|
||||
IJG is not affiliated with the ISO/IEC JTC1/SC29/WG1 standards committee
|
||||
(also known as JPEG, together with ITU-T SG16).
|
||||
IJG is not affiliated with the official ISO JPEG standards committee.
|
||||
|
||||
|
||||
DOCUMENTATION ROADMAP
|
||||
@@ -30,6 +25,7 @@ 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.
|
||||
ACKNOWLEDGMENTS Special thanks.
|
||||
FILE FORMAT WARS Software *not* to get.
|
||||
TO DO Plans for future IJG releases.
|
||||
|
||||
@@ -46,6 +42,7 @@ Programmer and internal documentation:
|
||||
libjpeg.txt How to use the JPEG library in your own programs.
|
||||
example.c Sample code for calling the JPEG library.
|
||||
structure.txt Overview of the JPEG library's internal structure.
|
||||
filelist.txt Road map of IJG files.
|
||||
coderules.txt Coding style rules --- please read if you contribute code.
|
||||
|
||||
Please read at least the files install.txt and usage.txt. Some information
|
||||
@@ -62,19 +59,7 @@ OVERVIEW
|
||||
|
||||
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.)
|
||||
method for full-color and gray-scale images.
|
||||
|
||||
This software implements JPEG baseline, extended-sequential, and progressive
|
||||
compression processes. Provision is made for supporting all variants of these
|
||||
@@ -129,7 +114,7 @@ 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) 1991-2012, Thomas G. Lane, Guido Vollbeding.
|
||||
This software is copyright (C) 1991-2011, Thomas G. Lane, Guido Vollbeding.
|
||||
All Rights Reserved except as specified below.
|
||||
|
||||
Permission is hereby granted to use, copy, modify, and distribute this
|
||||
@@ -160,6 +145,15 @@ 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,
|
||||
@@ -211,6 +205,14 @@ 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).
|
||||
Although this is by far the most detailed and comprehensive exposition of
|
||||
JPEG publicly available, we point out that it is still missing an explanation
|
||||
of the most essential properties and algorithms of the underlying DCT
|
||||
technology.
|
||||
If you think that you know about DCT-based JPEG after reading this book,
|
||||
then you are in delusion. The real fundamentals and corresponding potential
|
||||
of DCT-based JPEG are not publicly known so far, and that is the reason for
|
||||
all the mistaken developments taking place in the image coding domain.
|
||||
|
||||
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
|
||||
@@ -219,6 +221,10 @@ 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.
|
||||
IJG JPEG 8 introduces an implementation of the JPEG SmartScale extension
|
||||
which is specified in a contributed document at ITU and ISO with title "ITU-T
|
||||
JPEG-Plus Proposal for Extending ITU-T T.81 for Advanced Image Coding", April
|
||||
2006, Geneva, Switzerland. The latest version of the document is Revision 3.
|
||||
|
||||
The JPEG standard does not specify all details of an interchangeable file
|
||||
format. For the omitted details we follow the "JFIF" conventions, revision
|
||||
@@ -248,8 +254,8 @@ ARCHIVE LOCATIONS
|
||||
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.
|
||||
http://www.ijg.org/files/jpegsrc.v8c.tar.gz, and in Windows-compatible
|
||||
"zip" archive format as http://www.ijg.org/files/jpegsr8c.zip.
|
||||
|
||||
The JPEG FAQ (Frequently Asked Questions) article is a source of some
|
||||
general information about JPEG.
|
||||
@@ -262,15 +268,49 @@ with body
|
||||
send usenet/news.answers/jpeg-faq/part2
|
||||
|
||||
|
||||
ACKNOWLEDGMENTS
|
||||
===============
|
||||
|
||||
Thank to Juergen Bruder for providing me with a copy of the common DCT
|
||||
algorithm article, only to find out that I had come to the same result
|
||||
in a more direct and comprehensible way with a more generative approach.
|
||||
|
||||
Thank to Istvan Sebestyen and Joan L. Mitchell for inviting me to the
|
||||
ITU JPEG (Study Group 16) meeting in Geneva, Switzerland.
|
||||
|
||||
Thank to Thomas Wiegand and Gary Sullivan for inviting me to the
|
||||
Joint Video Team (MPEG & ITU) meeting in Geneva, Switzerland.
|
||||
|
||||
Thank to John Korejwa and Massimo Ballerini for inviting me to
|
||||
fruitful consultations in Boston, MA and Milan, Italy.
|
||||
|
||||
Thank to Hendrik Elstner, Roland Fassauer, Simone Zuck, Guenther
|
||||
Maier-Gerber, Walter Stoeber, Fred Schmitz, and Norbert Braunagel
|
||||
for corresponding business development.
|
||||
|
||||
Thank to Nico Zschach and Dirk Stelling of the technical support team
|
||||
at the Digital Images company in Halle for providing me with extra
|
||||
equipment for configuration tests.
|
||||
|
||||
Thank to Richard F. Lyon (then of Foveon Inc.) for fruitful
|
||||
communication about JPEG configuration in Sigma Photo Pro software.
|
||||
|
||||
Thank to Andrew Finkenstadt for hosting the ijg.org site.
|
||||
|
||||
Last but not least special thank to Thomas G. Lane for the original
|
||||
design and development of this singular software package.
|
||||
|
||||
|
||||
FILE FORMAT WARS
|
||||
================
|
||||
|
||||
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.
|
||||
The ISO JPEG standards committee actually promotes different formats like
|
||||
"JPEG 2000" or "JPEG XR" which are incompatible with original DCT-based
|
||||
JPEG and which are based on faulty technologies. IJG therefore does not
|
||||
and will not support such momentary mistakes (see REFERENCES).
|
||||
We have little or no sympathy for the promotion of these formats. 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.)
|
||||
@@ -279,4 +319,8 @@ image files indefinitely.)
|
||||
TO DO
|
||||
=====
|
||||
|
||||
Please send bug reports, offers of help, etc. to jpeg-info@jpegclub.org.
|
||||
Version 8 is the first release of a new generation JPEG standard
|
||||
to overcome the limitations of the original JPEG specification.
|
||||
More features are being prepared for coming releases...
|
||||
|
||||
Please send bug reports, offers of help, etc. to jpeg-info@uc.ag.
|
||||
|
||||
475
README-turbo.txt
475
README-turbo.txt
@@ -1,475 +0,0 @@
|
||||
*******************************************************************************
|
||||
** Background
|
||||
*******************************************************************************
|
||||
|
||||
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 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.
|
||||
|
||||
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
|
||||
*******************************************************************************
|
||||
|
||||
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:
|
||||
|
||||
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
|
||||
=============================
|
||||
|
||||
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]
|
||||
> time cjpeg <vgl_5674_0098.ppm >vgl_5674_0098.jpg
|
||||
real 0m0.392s
|
||||
user 0m0.074s
|
||||
sys 0m0.020s
|
||||
|
||||
[Using libjpeg-turbo]
|
||||
> export LD_LIBRARY_PATH=/opt/libjpeg-turbo/{lib}:$LD_LIBRARY_PATH
|
||||
> time cjpeg <vgl_5674_0098.ppm >vgl_5674_0098.jpg
|
||||
real 0m0.109s
|
||||
user 0m0.029s
|
||||
sys 0m0.010s
|
||||
|
||||
({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 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.
|
||||
|
||||
Windows
|
||||
-------
|
||||
|
||||
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.)
|
||||
|
||||
The following information is specific to the official libjpeg-turbo binary
|
||||
packages for Visual C++:
|
||||
|
||||
-- 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. 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
|
||||
========================================
|
||||
|
||||
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 Un*x systems and Cygwin, you can build against libjpeg-turbo
|
||||
instead of libjpeg by setting
|
||||
|
||||
CPATH=/opt/libjpeg-turbo/include
|
||||
and
|
||||
LIBRARY_PATH=/opt/libjpeg-turbo/{lib}
|
||||
|
||||
({lib} = lib32 or lib64, depending on whether you are building a 32-bit or a
|
||||
64-bit application.)
|
||||
|
||||
If using MinGW, then set
|
||||
|
||||
CPATH=/c/libjpeg-turbo-gcc[64]/include
|
||||
and
|
||||
LIBRARY_PATH=/c/libjpeg-turbo-gcc[64]/lib
|
||||
|
||||
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 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 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.
|
||||
|
||||
To build Visual C++ applications using libjpeg-turbo, add
|
||||
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 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 */
|
||||
JCS_EXT_RGBX /* red/green/blue/x */
|
||||
JCS_EXT_BGR /* blue/green/red */
|
||||
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 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 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.
|
||||
182
acinclude.m4
182
acinclude.m4
@@ -1,182 +0,0 @@
|
||||
# AC_PROG_NASM
|
||||
# --------------------------
|
||||
# Check that NASM exists and determine flags
|
||||
AC_DEFUN([AC_PROG_NASM],[
|
||||
|
||||
AC_CHECK_PROGS(NASM, [nasm nasmw yasm])
|
||||
test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found])
|
||||
|
||||
AC_MSG_CHECKING([for object file format of host system])
|
||||
case "$host_os" in
|
||||
cygwin* | mingw* | pw32* | interix*)
|
||||
case "$host_cpu" in
|
||||
x86_64)
|
||||
objfmt='Win64-COFF'
|
||||
;;
|
||||
*)
|
||||
objfmt='Win32-COFF'
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
msdosdjgpp* | go32*)
|
||||
objfmt='COFF'
|
||||
;;
|
||||
os2-emx*) # not tested
|
||||
objfmt='MSOMF' # obj
|
||||
;;
|
||||
linux*coff* | linux*oldld*)
|
||||
objfmt='COFF' # ???
|
||||
;;
|
||||
linux*aout*)
|
||||
objfmt='a.out'
|
||||
;;
|
||||
linux*)
|
||||
case "$host_cpu" in
|
||||
x86_64)
|
||||
objfmt='ELF64'
|
||||
;;
|
||||
*)
|
||||
objfmt='ELF'
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
kfreebsd* | freebsd* | netbsd* | openbsd*)
|
||||
if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
|
||||
objfmt='BSD-a.out'
|
||||
else
|
||||
case "$host_cpu" in
|
||||
x86_64 | amd64)
|
||||
objfmt='ELF64'
|
||||
;;
|
||||
*)
|
||||
objfmt='ELF'
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
;;
|
||||
solaris* | sunos* | sysv* | sco*)
|
||||
case "$host_cpu" in
|
||||
x86_64)
|
||||
objfmt='ELF64'
|
||||
;;
|
||||
*)
|
||||
objfmt='ELF'
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
darwin* | rhapsody* | nextstep* | openstep* | macos*)
|
||||
case "$host_cpu" in
|
||||
x86_64)
|
||||
objfmt='Mach-O64'
|
||||
;;
|
||||
*)
|
||||
objfmt='Mach-O'
|
||||
;;
|
||||
esac
|
||||
;;
|
||||
*)
|
||||
objfmt='ELF ?'
|
||||
;;
|
||||
esac
|
||||
|
||||
AC_MSG_RESULT([$objfmt])
|
||||
if test "$objfmt" = 'ELF ?'; then
|
||||
objfmt='ELF'
|
||||
AC_MSG_WARN([unexpected host system. assumed that the format is $objfmt.])
|
||||
fi
|
||||
|
||||
AC_MSG_CHECKING([for object file format specifier (NAFLAGS) ])
|
||||
case "$objfmt" in
|
||||
MSOMF) NAFLAGS='-fobj -DOBJ32';;
|
||||
Win32-COFF) NAFLAGS='-fwin32 -DWIN32';;
|
||||
Win64-COFF) NAFLAGS='-fwin64 -DWIN64 -D__x86_64__';;
|
||||
COFF) NAFLAGS='-fcoff -DCOFF';;
|
||||
a.out) NAFLAGS='-faout -DAOUT';;
|
||||
BSD-a.out) NAFLAGS='-faoutb -DAOUT';;
|
||||
ELF) NAFLAGS='-felf -DELF';;
|
||||
ELF64) NAFLAGS='-felf64 -DELF -D__x86_64__';;
|
||||
RDF) NAFLAGS='-frdf -DRDF';;
|
||||
Mach-O) NAFLAGS='-fmacho -DMACHO';;
|
||||
Mach-O64) NAFLAGS='-fmacho64 -DMACHO -D__x86_64__';;
|
||||
esac
|
||||
AC_MSG_RESULT([$NAFLAGS])
|
||||
AC_SUBST([NAFLAGS])
|
||||
|
||||
AC_MSG_CHECKING([whether the assembler ($NASM $NAFLAGS) works])
|
||||
cat > conftest.asm <<EOF
|
||||
[%line __oline__ "configure"
|
||||
section .text
|
||||
global _main,main
|
||||
_main:
|
||||
main: xor eax,eax
|
||||
ret
|
||||
]EOF
|
||||
try_nasm='$NASM $NAFLAGS -o conftest.o conftest.asm'
|
||||
if AC_TRY_EVAL(try_nasm) && test -s conftest.o; then
|
||||
AC_MSG_RESULT(yes)
|
||||
else
|
||||
echo "configure: failed program was:" >&AC_FD_CC
|
||||
cat conftest.asm >&AC_FD_CC
|
||||
rm -rf conftest*
|
||||
AC_MSG_RESULT(no)
|
||||
AC_MSG_ERROR([installation or configuration problem: assembler cannot create object files.])
|
||||
fi
|
||||
|
||||
AC_MSG_CHECKING([whether the linker accepts assembler output])
|
||||
try_nasm='${CC-cc} -o conftest${ac_exeext} $LDFLAGS conftest.o $LIBS 1>&AC_FD_CC'
|
||||
if AC_TRY_EVAL(try_nasm) && test -s conftest${ac_exeext}; then
|
||||
rm -rf conftest*
|
||||
AC_MSG_RESULT(yes)
|
||||
else
|
||||
rm -rf conftest*
|
||||
AC_MSG_RESULT(no)
|
||||
AC_MSG_ERROR([configuration problem: maybe object file format mismatch.])
|
||||
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([AC_LANG_SOURCE([[
|
||||
.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 $CCAS"
|
||||
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
|
||||
.text
|
||||
.fpu neon
|
||||
.arch armv7a
|
||||
.object_arch armv4
|
||||
.arm
|
||||
pld [r0]
|
||||
vmovn.u16 d0, q0]])], ac_use_gas_preprocessor=yes)
|
||||
fi
|
||||
CFLAGS="$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
|
||||
])
|
||||
9471
aclocal.m4
vendored
Normal file
9471
aclocal.m4
vendored
Normal file
File diff suppressed because it is too large
Load Diff
36
ansi2knr.1
Normal file
36
ansi2knr.1
Normal file
@@ -0,0 +1,36 @@
|
||||
.TH ANSI2KNR 1 "19 Jan 1996"
|
||||
.SH NAME
|
||||
ansi2knr \- convert ANSI C to Kernighan & Ritchie C
|
||||
.SH SYNOPSIS
|
||||
.I ansi2knr
|
||||
[--varargs] input_file [output_file]
|
||||
.SH DESCRIPTION
|
||||
If no output_file is supplied, output goes to stdout.
|
||||
.br
|
||||
There are no error messages.
|
||||
.sp
|
||||
.I ansi2knr
|
||||
recognizes function definitions by seeing a non-keyword identifier at the left
|
||||
margin, followed by a left parenthesis, with a right parenthesis as the last
|
||||
character on the line, and with a left brace as the first token on the
|
||||
following line (ignoring possible intervening comments). It will recognize a
|
||||
multi-line header provided that no intervening line ends with a left or right
|
||||
brace or a semicolon. These algorithms ignore whitespace and comments, except
|
||||
that the function name must be the first thing on the line.
|
||||
.sp
|
||||
The following constructs will confuse it:
|
||||
.br
|
||||
- Any other construct that starts at the left margin and follows the
|
||||
above syntax (such as a macro or function call).
|
||||
.br
|
||||
- Some macros that tinker with the syntax of the function header.
|
||||
.sp
|
||||
The --varargs switch is obsolete, and is recognized only for
|
||||
backwards compatibility. The present version of
|
||||
.I ansi2knr
|
||||
will always attempt to convert a ... argument to va_alist and va_dcl.
|
||||
.SH AUTHOR
|
||||
L. Peter Deutsch <ghost@aladdin.com> wrote the original ansi2knr and
|
||||
continues to maintain the current version; most of the code in the current
|
||||
version is his work. ansi2knr also includes contributions by Francois
|
||||
Pinard <pinard@iro.umontreal.ca> and Jim Avera <jima@netcom.com>.
|
||||
739
ansi2knr.c
Normal file
739
ansi2knr.c
Normal file
@@ -0,0 +1,739 @@
|
||||
/* Copyright (C) 1989, 2000 Aladdin Enterprises. All rights reserved. */
|
||||
|
||||
/*$Id: ansi2knr.c,v 1.14 2003/09/06 05:36:56 eggert Exp $*/
|
||||
/* Convert ANSI C function definitions to K&R ("traditional C") syntax */
|
||||
|
||||
/*
|
||||
ansi2knr is distributed in the hope that it will be useful, but WITHOUT ANY
|
||||
WARRANTY. No author or distributor accepts responsibility to anyone for the
|
||||
consequences of using it or for whether it serves any particular purpose or
|
||||
works at all, unless he says so in writing. Refer to the GNU General Public
|
||||
License (the "GPL") for full details.
|
||||
|
||||
Everyone is granted permission to copy, modify and redistribute ansi2knr,
|
||||
but only under the conditions described in the GPL. A copy of this license
|
||||
is supposed to have been given to you along with ansi2knr so you can know
|
||||
your rights and responsibilities. It should be in a file named COPYLEFT,
|
||||
or, if there is no file named COPYLEFT, a file named COPYING. Among other
|
||||
things, the copyright notice and this notice must be preserved on all
|
||||
copies.
|
||||
|
||||
We explicitly state here what we believe is already implied by the GPL: if
|
||||
the ansi2knr program is distributed as a separate set of sources and a
|
||||
separate executable file which are aggregated on a storage medium together
|
||||
with another program, this in itself does not bring the other program under
|
||||
the GPL, nor does the mere fact that such a program or the procedures for
|
||||
constructing it invoke the ansi2knr executable bring any other part of the
|
||||
program under the GPL.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Usage:
|
||||
ansi2knr [--filename FILENAME] [INPUT_FILE [OUTPUT_FILE]]
|
||||
* --filename provides the file name for the #line directive in the output,
|
||||
* overriding input_file (if present).
|
||||
* If no input_file is supplied, input is read from stdin.
|
||||
* If no output_file is supplied, output goes to stdout.
|
||||
* There are no error messages.
|
||||
*
|
||||
* ansi2knr recognizes function definitions by seeing a non-keyword
|
||||
* identifier at the left margin, followed by a left parenthesis, with a
|
||||
* right parenthesis as the last character on the line, and with a left
|
||||
* brace as the first token on the following line (ignoring possible
|
||||
* intervening comments and/or preprocessor directives), except that a line
|
||||
* consisting of only
|
||||
* identifier1(identifier2)
|
||||
* will not be considered a function definition unless identifier2 is
|
||||
* the word "void", and a line consisting of
|
||||
* identifier1(identifier2, <<arbitrary>>)
|
||||
* will not be considered a function definition.
|
||||
* ansi2knr will recognize a multi-line header provided that no intervening
|
||||
* line ends with a left or right brace or a semicolon. These algorithms
|
||||
* ignore whitespace, comments, and preprocessor directives, except that
|
||||
* the function name must be the first thing on the line. The following
|
||||
* constructs will confuse it:
|
||||
* - Any other construct that starts at the left margin and
|
||||
* follows the above syntax (such as a macro or function call).
|
||||
* - Some macros that tinker with the syntax of function headers.
|
||||
*/
|
||||
|
||||
/*
|
||||
* The original and principal author of ansi2knr is L. Peter Deutsch
|
||||
* <ghost@aladdin.com>. Other authors are noted in the change history
|
||||
* that follows (in reverse chronological order):
|
||||
|
||||
lpd 2000-04-12 backs out Eggert's changes because of bugs:
|
||||
- concatlits didn't declare the type of its bufend argument;
|
||||
- concatlits didn't recognize when it was inside a comment;
|
||||
- scanstring could scan backward past the beginning of the string; when
|
||||
- the check for \ + newline in scanstring was unnecessary.
|
||||
|
||||
2000-03-05 Paul Eggert <eggert@twinsun.com>
|
||||
|
||||
Add support for concatenated string literals.
|
||||
* ansi2knr.c (concatlits): New decl.
|
||||
(main): Invoke concatlits to concatenate string literals.
|
||||
(scanstring): Handle backslash-newline correctly. Work with
|
||||
character constants. Fix bug when scanning backwards through
|
||||
backslash-quote. Check for unterminated strings.
|
||||
(convert1): Parse character constants, too.
|
||||
(appendline, concatlits): New functions.
|
||||
* ansi2knr.1: Document this.
|
||||
|
||||
lpd 1999-08-17 added code to allow preprocessor directives
|
||||
wherever comments are allowed
|
||||
lpd 1999-04-12 added minor fixes from Pavel Roskin
|
||||
<pavel_roskin@geocities.com> for clean compilation with
|
||||
gcc -W -Wall
|
||||
lpd 1999-03-22 added hack to recognize lines consisting of
|
||||
identifier1(identifier2, xxx) as *not* being procedures
|
||||
lpd 1999-02-03 made indentation of preprocessor commands consistent
|
||||
lpd 1999-01-28 fixed two bugs: a '/' in an argument list caused an
|
||||
endless loop; quoted strings within an argument list
|
||||
confused the parser
|
||||
lpd 1999-01-24 added a check for write errors on the output,
|
||||
suggested by Jim Meyering <meyering@ascend.com>
|
||||
lpd 1998-11-09 added further hack to recognize identifier(void)
|
||||
as being a procedure
|
||||
lpd 1998-10-23 added hack to recognize lines consisting of
|
||||
identifier1(identifier2) as *not* being procedures
|
||||
lpd 1997-12-08 made input_file optional; only closes input and/or
|
||||
output file if not stdin or stdout respectively; prints
|
||||
usage message on stderr rather than stdout; adds
|
||||
--filename switch (changes suggested by
|
||||
<ceder@lysator.liu.se>)
|
||||
lpd 1996-01-21 added code to cope with not HAVE_CONFIG_H and with
|
||||
compilers that don't understand void, as suggested by
|
||||
Tom Lane
|
||||
lpd 1996-01-15 changed to require that the first non-comment token
|
||||
on the line following a function header be a left brace,
|
||||
to reduce sensitivity to macros, as suggested by Tom Lane
|
||||
<tgl@sss.pgh.pa.us>
|
||||
lpd 1995-06-22 removed #ifndefs whose sole purpose was to define
|
||||
undefined preprocessor symbols as 0; changed all #ifdefs
|
||||
for configuration symbols to #ifs
|
||||
lpd 1995-04-05 changed copyright notice to make it clear that
|
||||
including ansi2knr in a program does not bring the entire
|
||||
program under the GPL
|
||||
lpd 1994-12-18 added conditionals for systems where ctype macros
|
||||
don't handle 8-bit characters properly, suggested by
|
||||
Francois Pinard <pinard@iro.umontreal.ca>;
|
||||
removed --varargs switch (this is now the default)
|
||||
lpd 1994-10-10 removed CONFIG_BROKETS conditional
|
||||
lpd 1994-07-16 added some conditionals to help GNU `configure',
|
||||
suggested by Francois Pinard <pinard@iro.umontreal.ca>;
|
||||
properly erase prototype args in function parameters,
|
||||
contributed by Jim Avera <jima@netcom.com>;
|
||||
correct error in writeblanks (it shouldn't erase EOLs)
|
||||
lpd 1989-xx-xx original version
|
||||
*/
|
||||
|
||||
/* Most of the conditionals here are to make ansi2knr work with */
|
||||
/* or without the GNU configure machinery. */
|
||||
|
||||
#if HAVE_CONFIG_H
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <ctype.h>
|
||||
|
||||
#if HAVE_CONFIG_H
|
||||
|
||||
/*
|
||||
For properly autoconfiguring ansi2knr, use AC_CONFIG_HEADER(config.h).
|
||||
This will define HAVE_CONFIG_H and so, activate the following lines.
|
||||
*/
|
||||
|
||||
# if STDC_HEADERS || HAVE_STRING_H
|
||||
# include <string.h>
|
||||
# else
|
||||
# include <strings.h>
|
||||
# endif
|
||||
|
||||
#else /* not HAVE_CONFIG_H */
|
||||
|
||||
/* Otherwise do it the hard way */
|
||||
|
||||
# ifdef BSD
|
||||
# include <strings.h>
|
||||
# else
|
||||
# ifdef VMS
|
||||
extern int strlen(), strncmp();
|
||||
# else
|
||||
# include <string.h>
|
||||
# endif
|
||||
# endif
|
||||
|
||||
#endif /* not HAVE_CONFIG_H */
|
||||
|
||||
#if STDC_HEADERS
|
||||
# include <stdlib.h>
|
||||
#else
|
||||
/*
|
||||
malloc and free should be declared in stdlib.h,
|
||||
but if you've got a K&R compiler, they probably aren't.
|
||||
*/
|
||||
# ifdef MSDOS
|
||||
# include <malloc.h>
|
||||
# else
|
||||
# ifdef VMS
|
||||
extern char *malloc();
|
||||
extern void free();
|
||||
# else
|
||||
extern char *malloc();
|
||||
extern int free();
|
||||
# endif
|
||||
# endif
|
||||
|
||||
#endif
|
||||
|
||||
/* Define NULL (for *very* old compilers). */
|
||||
#ifndef NULL
|
||||
# define NULL (0)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* The ctype macros don't always handle 8-bit characters correctly.
|
||||
* Compensate for this here.
|
||||
*/
|
||||
#ifdef isascii
|
||||
# undef HAVE_ISASCII /* just in case */
|
||||
# define HAVE_ISASCII 1
|
||||
#else
|
||||
#endif
|
||||
#if STDC_HEADERS || !HAVE_ISASCII
|
||||
# define is_ascii(c) 1
|
||||
#else
|
||||
# define is_ascii(c) isascii(c)
|
||||
#endif
|
||||
|
||||
#define is_space(c) (is_ascii(c) && isspace(c))
|
||||
#define is_alpha(c) (is_ascii(c) && isalpha(c))
|
||||
#define is_alnum(c) (is_ascii(c) && isalnum(c))
|
||||
|
||||
/* Scanning macros */
|
||||
#define isidchar(ch) (is_alnum(ch) || (ch) == '_')
|
||||
#define isidfirstchar(ch) (is_alpha(ch) || (ch) == '_')
|
||||
|
||||
/* Forward references */
|
||||
char *ppdirforward();
|
||||
char *ppdirbackward();
|
||||
char *skipspace();
|
||||
char *scanstring();
|
||||
int writeblanks();
|
||||
int test1();
|
||||
int convert1();
|
||||
|
||||
/* The main program */
|
||||
int
|
||||
main(argc, argv)
|
||||
int argc;
|
||||
char *argv[];
|
||||
{ FILE *in = stdin;
|
||||
FILE *out = stdout;
|
||||
char *filename = 0;
|
||||
char *program_name = argv[0];
|
||||
char *output_name = 0;
|
||||
#define bufsize 5000 /* arbitrary size */
|
||||
char *buf;
|
||||
char *line;
|
||||
char *more;
|
||||
char *usage =
|
||||
"Usage: ansi2knr [--filename FILENAME] [INPUT_FILE [OUTPUT_FILE]]\n";
|
||||
/*
|
||||
* In previous versions, ansi2knr recognized a --varargs switch.
|
||||
* If this switch was supplied, ansi2knr would attempt to convert
|
||||
* a ... argument to va_alist and va_dcl; if this switch was not
|
||||
* supplied, ansi2knr would simply drop any such arguments.
|
||||
* Now, ansi2knr always does this conversion, and we only
|
||||
* check for this switch for backward compatibility.
|
||||
*/
|
||||
int convert_varargs = 1;
|
||||
int output_error;
|
||||
|
||||
while ( argc > 1 && argv[1][0] == '-' ) {
|
||||
if ( !strcmp(argv[1], "--varargs") ) {
|
||||
convert_varargs = 1;
|
||||
argc--;
|
||||
argv++;
|
||||
continue;
|
||||
}
|
||||
if ( !strcmp(argv[1], "--filename") && argc > 2 ) {
|
||||
filename = argv[2];
|
||||
argc -= 2;
|
||||
argv += 2;
|
||||
continue;
|
||||
}
|
||||
fprintf(stderr, "%s: Unrecognized switch: %s\n", program_name,
|
||||
argv[1]);
|
||||
fprintf(stderr, usage);
|
||||
exit(1);
|
||||
}
|
||||
switch ( argc )
|
||||
{
|
||||
default:
|
||||
fprintf(stderr, usage);
|
||||
exit(0);
|
||||
case 3:
|
||||
output_name = argv[2];
|
||||
out = fopen(output_name, "w");
|
||||
if ( out == NULL ) {
|
||||
fprintf(stderr, "%s: Cannot open output file %s\n",
|
||||
program_name, output_name);
|
||||
exit(1);
|
||||
}
|
||||
/* falls through */
|
||||
case 2:
|
||||
in = fopen(argv[1], "r");
|
||||
if ( in == NULL ) {
|
||||
fprintf(stderr, "%s: Cannot open input file %s\n",
|
||||
program_name, argv[1]);
|
||||
exit(1);
|
||||
}
|
||||
if ( filename == 0 )
|
||||
filename = argv[1];
|
||||
/* falls through */
|
||||
case 1:
|
||||
break;
|
||||
}
|
||||
if ( filename )
|
||||
fprintf(out, "#line 1 \"%s\"\n", filename);
|
||||
buf = malloc(bufsize);
|
||||
if ( buf == NULL )
|
||||
{
|
||||
fprintf(stderr, "Unable to allocate read buffer!\n");
|
||||
exit(1);
|
||||
}
|
||||
line = buf;
|
||||
while ( fgets(line, (unsigned)(buf + bufsize - line), in) != NULL )
|
||||
{
|
||||
test: line += strlen(line);
|
||||
switch ( test1(buf) )
|
||||
{
|
||||
case 2: /* a function header */
|
||||
convert1(buf, out, 1, convert_varargs);
|
||||
break;
|
||||
case 1: /* a function */
|
||||
/* Check for a { at the start of the next line. */
|
||||
more = ++line;
|
||||
f: if ( line >= buf + (bufsize - 1) ) /* overflow check */
|
||||
goto wl;
|
||||
if ( fgets(line, (unsigned)(buf + bufsize - line), in) == NULL )
|
||||
goto wl;
|
||||
switch ( *skipspace(ppdirforward(more), 1) )
|
||||
{
|
||||
case '{':
|
||||
/* Definitely a function header. */
|
||||
convert1(buf, out, 0, convert_varargs);
|
||||
fputs(more, out);
|
||||
break;
|
||||
case 0:
|
||||
/* The next line was blank or a comment: */
|
||||
/* keep scanning for a non-comment. */
|
||||
line += strlen(line);
|
||||
goto f;
|
||||
default:
|
||||
/* buf isn't a function header, but */
|
||||
/* more might be. */
|
||||
fputs(buf, out);
|
||||
strcpy(buf, more);
|
||||
line = buf;
|
||||
goto test;
|
||||
}
|
||||
break;
|
||||
case -1: /* maybe the start of a function */
|
||||
if ( line != buf + (bufsize - 1) ) /* overflow check */
|
||||
continue;
|
||||
/* falls through */
|
||||
default: /* not a function */
|
||||
wl: fputs(buf, out);
|
||||
break;
|
||||
}
|
||||
line = buf;
|
||||
}
|
||||
if ( line != buf )
|
||||
fputs(buf, out);
|
||||
free(buf);
|
||||
if ( output_name ) {
|
||||
output_error = ferror(out);
|
||||
output_error |= fclose(out);
|
||||
} else { /* out == stdout */
|
||||
fflush(out);
|
||||
output_error = ferror(out);
|
||||
}
|
||||
if ( output_error ) {
|
||||
fprintf(stderr, "%s: error writing to %s\n", program_name,
|
||||
(output_name ? output_name : "stdout"));
|
||||
exit(1);
|
||||
}
|
||||
if ( in != stdin )
|
||||
fclose(in);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Skip forward or backward over one or more preprocessor directives.
|
||||
*/
|
||||
char *
|
||||
ppdirforward(p)
|
||||
char *p;
|
||||
{
|
||||
for (; *p == '#'; ++p) {
|
||||
for (; *p != '\r' && *p != '\n'; ++p)
|
||||
if (*p == 0)
|
||||
return p;
|
||||
if (*p == '\r' && p[1] == '\n')
|
||||
++p;
|
||||
}
|
||||
return p;
|
||||
}
|
||||
char *
|
||||
ppdirbackward(p, limit)
|
||||
char *p;
|
||||
char *limit;
|
||||
{
|
||||
char *np = p;
|
||||
|
||||
for (;; p = --np) {
|
||||
if (*np == '\n' && np[-1] == '\r')
|
||||
--np;
|
||||
for (; np > limit && np[-1] != '\r' && np[-1] != '\n'; --np)
|
||||
if (np[-1] == 0)
|
||||
return np;
|
||||
if (*np != '#')
|
||||
return p;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Skip over whitespace, comments, and preprocessor directives,
|
||||
* in either direction.
|
||||
*/
|
||||
char *
|
||||
skipspace(p, dir)
|
||||
char *p;
|
||||
int dir; /* 1 for forward, -1 for backward */
|
||||
{
|
||||
for ( ; ; ) {
|
||||
while ( is_space(*p) )
|
||||
p += dir;
|
||||
if ( !(*p == '/' && p[dir] == '*') )
|
||||
break;
|
||||
p += dir; p += dir;
|
||||
while ( !(*p == '*' && p[dir] == '/') ) {
|
||||
if ( *p == 0 )
|
||||
return p; /* multi-line comment?? */
|
||||
p += dir;
|
||||
}
|
||||
p += dir; p += dir;
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
/* Scan over a quoted string, in either direction. */
|
||||
char *
|
||||
scanstring(p, dir)
|
||||
char *p;
|
||||
int dir;
|
||||
{
|
||||
for (p += dir; ; p += dir)
|
||||
if (*p == '"' && p[-dir] != '\\')
|
||||
return p + dir;
|
||||
}
|
||||
|
||||
/*
|
||||
* Write blanks over part of a string.
|
||||
* Don't overwrite end-of-line characters.
|
||||
*/
|
||||
int
|
||||
writeblanks(start, end)
|
||||
char *start;
|
||||
char *end;
|
||||
{ char *p;
|
||||
for ( p = start; p < end; p++ )
|
||||
if ( *p != '\r' && *p != '\n' )
|
||||
*p = ' ';
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Test whether the string in buf is a function definition.
|
||||
* The string may contain and/or end with a newline.
|
||||
* Return as follows:
|
||||
* 0 - definitely not a function definition;
|
||||
* 1 - definitely a function definition;
|
||||
* 2 - definitely a function prototype (NOT USED);
|
||||
* -1 - may be the beginning of a function definition,
|
||||
* append another line and look again.
|
||||
* The reason we don't attempt to convert function prototypes is that
|
||||
* Ghostscript's declaration-generating macros look too much like
|
||||
* prototypes, and confuse the algorithms.
|
||||
*/
|
||||
int
|
||||
test1(buf)
|
||||
char *buf;
|
||||
{ char *p = buf;
|
||||
char *bend;
|
||||
char *endfn;
|
||||
int contin;
|
||||
|
||||
if ( !isidfirstchar(*p) )
|
||||
return 0; /* no name at left margin */
|
||||
bend = skipspace(ppdirbackward(buf + strlen(buf) - 1, buf), -1);
|
||||
switch ( *bend )
|
||||
{
|
||||
case ';': contin = 0 /*2*/; break;
|
||||
case ')': contin = 1; break;
|
||||
case '{': return 0; /* not a function */
|
||||
case '}': return 0; /* not a function */
|
||||
default: contin = -1;
|
||||
}
|
||||
while ( isidchar(*p) )
|
||||
p++;
|
||||
endfn = p;
|
||||
p = skipspace(p, 1);
|
||||
if ( *p++ != '(' )
|
||||
return 0; /* not a function */
|
||||
p = skipspace(p, 1);
|
||||
if ( *p == ')' )
|
||||
return 0; /* no parameters */
|
||||
/* Check that the apparent function name isn't a keyword. */
|
||||
/* We only need to check for keywords that could be followed */
|
||||
/* by a left parenthesis (which, unfortunately, is most of them). */
|
||||
{ static char *words[] =
|
||||
{ "asm", "auto", "case", "char", "const", "double",
|
||||
"extern", "float", "for", "if", "int", "long",
|
||||
"register", "return", "short", "signed", "sizeof",
|
||||
"static", "switch", "typedef", "unsigned",
|
||||
"void", "volatile", "while", 0
|
||||
};
|
||||
char **key = words;
|
||||
char *kp;
|
||||
unsigned len = endfn - buf;
|
||||
|
||||
while ( (kp = *key) != 0 )
|
||||
{ if ( strlen(kp) == len && !strncmp(kp, buf, len) )
|
||||
return 0; /* name is a keyword */
|
||||
key++;
|
||||
}
|
||||
}
|
||||
{
|
||||
char *id = p;
|
||||
int len;
|
||||
/*
|
||||
* Check for identifier1(identifier2) and not
|
||||
* identifier1(void), or identifier1(identifier2, xxxx).
|
||||
*/
|
||||
|
||||
while ( isidchar(*p) )
|
||||
p++;
|
||||
len = p - id;
|
||||
p = skipspace(p, 1);
|
||||
if (*p == ',' ||
|
||||
(*p == ')' && (len != 4 || strncmp(id, "void", 4)))
|
||||
)
|
||||
return 0; /* not a function */
|
||||
}
|
||||
/*
|
||||
* If the last significant character was a ), we need to count
|
||||
* parentheses, because it might be part of a formal parameter
|
||||
* that is a procedure.
|
||||
*/
|
||||
if (contin > 0) {
|
||||
int level = 0;
|
||||
|
||||
for (p = skipspace(buf, 1); *p; p = skipspace(p + 1, 1))
|
||||
level += (*p == '(' ? 1 : *p == ')' ? -1 : 0);
|
||||
if (level > 0)
|
||||
contin = -1;
|
||||
}
|
||||
return contin;
|
||||
}
|
||||
|
||||
/* Convert a recognized function definition or header to K&R syntax. */
|
||||
int
|
||||
convert1(buf, out, header, convert_varargs)
|
||||
char *buf;
|
||||
FILE *out;
|
||||
int header; /* Boolean */
|
||||
int convert_varargs; /* Boolean */
|
||||
{ char *endfn;
|
||||
char *p;
|
||||
/*
|
||||
* The breaks table contains pointers to the beginning and end
|
||||
* of each argument.
|
||||
*/
|
||||
char **breaks;
|
||||
unsigned num_breaks = 2; /* for testing */
|
||||
char **btop;
|
||||
char **bp;
|
||||
char **ap;
|
||||
char *vararg = 0;
|
||||
|
||||
/* Pre-ANSI implementations don't agree on whether strchr */
|
||||
/* is called strchr or index, so we open-code it here. */
|
||||
for ( endfn = buf; *(endfn++) != '('; )
|
||||
;
|
||||
top: p = endfn;
|
||||
breaks = (char **)malloc(sizeof(char *) * num_breaks * 2);
|
||||
if ( breaks == NULL )
|
||||
{ /* Couldn't allocate break table, give up */
|
||||
fprintf(stderr, "Unable to allocate break table!\n");
|
||||
fputs(buf, out);
|
||||
return -1;
|
||||
}
|
||||
btop = breaks + num_breaks * 2 - 2;
|
||||
bp = breaks;
|
||||
/* Parse the argument list */
|
||||
do
|
||||
{ int level = 0;
|
||||
char *lp = NULL;
|
||||
char *rp = NULL;
|
||||
char *end = NULL;
|
||||
|
||||
if ( bp >= btop )
|
||||
{ /* Filled up break table. */
|
||||
/* Allocate a bigger one and start over. */
|
||||
free((char *)breaks);
|
||||
num_breaks <<= 1;
|
||||
goto top;
|
||||
}
|
||||
*bp++ = p;
|
||||
/* Find the end of the argument */
|
||||
for ( ; end == NULL; p++ )
|
||||
{ switch(*p)
|
||||
{
|
||||
case ',':
|
||||
if ( !level ) end = p;
|
||||
break;
|
||||
case '(':
|
||||
if ( !level ) lp = p;
|
||||
level++;
|
||||
break;
|
||||
case ')':
|
||||
if ( --level < 0 ) end = p;
|
||||
else rp = p;
|
||||
break;
|
||||
case '/':
|
||||
if (p[1] == '*')
|
||||
p = skipspace(p, 1) - 1;
|
||||
break;
|
||||
case '"':
|
||||
p = scanstring(p, 1) - 1;
|
||||
break;
|
||||
default:
|
||||
;
|
||||
}
|
||||
}
|
||||
/* Erase any embedded prototype parameters. */
|
||||
if ( lp && rp )
|
||||
writeblanks(lp + 1, rp);
|
||||
p--; /* back up over terminator */
|
||||
/* Find the name being declared. */
|
||||
/* This is complicated because of procedure and */
|
||||
/* array modifiers. */
|
||||
for ( ; ; )
|
||||
{ p = skipspace(p - 1, -1);
|
||||
switch ( *p )
|
||||
{
|
||||
case ']': /* skip array dimension(s) */
|
||||
case ')': /* skip procedure args OR name */
|
||||
{ int level = 1;
|
||||
while ( level )
|
||||
switch ( *--p )
|
||||
{
|
||||
case ']': case ')':
|
||||
level++;
|
||||
break;
|
||||
case '[': case '(':
|
||||
level--;
|
||||
break;
|
||||
case '/':
|
||||
if (p > buf && p[-1] == '*')
|
||||
p = skipspace(p, -1) + 1;
|
||||
break;
|
||||
case '"':
|
||||
p = scanstring(p, -1) + 1;
|
||||
break;
|
||||
default: ;
|
||||
}
|
||||
}
|
||||
if ( *p == '(' && *skipspace(p + 1, 1) == '*' )
|
||||
{ /* We found the name being declared */
|
||||
while ( !isidfirstchar(*p) )
|
||||
p = skipspace(p, 1) + 1;
|
||||
goto found;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
goto found;
|
||||
}
|
||||
}
|
||||
found: if ( *p == '.' && p[-1] == '.' && p[-2] == '.' )
|
||||
{ if ( convert_varargs )
|
||||
{ *bp++ = "va_alist";
|
||||
vararg = p-2;
|
||||
}
|
||||
else
|
||||
{ p++;
|
||||
if ( bp == breaks + 1 ) /* sole argument */
|
||||
writeblanks(breaks[0], p);
|
||||
else
|
||||
writeblanks(bp[-1] - 1, p);
|
||||
bp--;
|
||||
}
|
||||
}
|
||||
else
|
||||
{ while ( isidchar(*p) ) p--;
|
||||
*bp++ = p+1;
|
||||
}
|
||||
p = end;
|
||||
}
|
||||
while ( *p++ == ',' );
|
||||
*bp = p;
|
||||
/* Make a special check for 'void' arglist */
|
||||
if ( bp == breaks+2 )
|
||||
{ p = skipspace(breaks[0], 1);
|
||||
if ( !strncmp(p, "void", 4) )
|
||||
{ p = skipspace(p+4, 1);
|
||||
if ( p == breaks[2] - 1 )
|
||||
{ bp = breaks; /* yup, pretend arglist is empty */
|
||||
writeblanks(breaks[0], p + 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
/* Put out the function name and left parenthesis. */
|
||||
p = buf;
|
||||
while ( p != endfn ) putc(*p, out), p++;
|
||||
/* Put out the declaration. */
|
||||
if ( header )
|
||||
{ fputs(");", out);
|
||||
for ( p = breaks[0]; *p; p++ )
|
||||
if ( *p == '\r' || *p == '\n' )
|
||||
putc(*p, out);
|
||||
}
|
||||
else
|
||||
{ for ( ap = breaks+1; ap < bp; ap += 2 )
|
||||
{ p = *ap;
|
||||
while ( isidchar(*p) )
|
||||
putc(*p, out), p++;
|
||||
if ( ap < bp - 1 )
|
||||
fputs(", ", out);
|
||||
}
|
||||
fputs(") ", out);
|
||||
/* Put out the argument declarations */
|
||||
for ( ap = breaks+2; ap <= bp; ap += 2 )
|
||||
(*ap)[-1] = ';';
|
||||
if ( vararg != 0 )
|
||||
{ *vararg = 0;
|
||||
fputs(breaks[0], out); /* any prior args */
|
||||
fputs("va_dcl", out); /* the final arg */
|
||||
fputs(bp[0], out);
|
||||
}
|
||||
else
|
||||
fputs(breaks[0], out);
|
||||
}
|
||||
free((char *)breaks);
|
||||
return 0;
|
||||
}
|
||||
274
bmp.c
274
bmp.c
@@ -1,274 +0,0 @@
|
||||
/*
|
||||
* Copyright (C)2011 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.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <setjmp.h>
|
||||
#include <errno.h>
|
||||
#include "cdjpeg.h"
|
||||
#include <jpeglib.h>
|
||||
#include <jpegint.h>
|
||||
#include "tjutil.h"
|
||||
#include "bmp.h"
|
||||
|
||||
|
||||
/* 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
|
||||
{
|
||||
struct jpeg_error_mgr pub;
|
||||
jmp_buf setjmp_buffer;
|
||||
};
|
||||
typedef struct my_error_mgr *my_error_ptr;
|
||||
|
||||
static void my_error_exit(j_common_ptr cinfo)
|
||||
{
|
||||
my_error_ptr myerr=(my_error_ptr)cinfo->err;
|
||||
(*cinfo->err->output_message)(cinfo);
|
||||
longjmp(myerr->setjmp_buffer, 1);
|
||||
}
|
||||
|
||||
/* Based on output_message() in jerror.c */
|
||||
|
||||
static void my_output_message(j_common_ptr cinfo)
|
||||
{
|
||||
(*cinfo->err->format_message)(cinfo, errStr);
|
||||
}
|
||||
|
||||
#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;}
|
||||
|
||||
|
||||
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)
|
||||
{
|
||||
for(col=0, srcptr2=srcptr, dstptr2=dstptr; col<w; col++, srcptr2+=srcps,
|
||||
dstptr2+=dstps)
|
||||
{
|
||||
dstptr2[tjRedOffset[dstpf]]=srcptr2[tjRedOffset[srcpf]];
|
||||
dstptr2[tjGreenOffset[dstpf]]=srcptr2[tjGreenOffset[srcpf]];
|
||||
dstptr2[tjBlueOffset[dstpf]]=srcptr2[tjBlueOffset[srcpf]];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
int loadbmp(char *filename, unsigned char **buf, int *w, int *h,
|
||||
int dstpf, int bottomup)
|
||||
{
|
||||
int retval=0, dstps, srcpf, tempc;
|
||||
struct jpeg_compress_struct cinfo;
|
||||
struct my_error_mgr jerr;
|
||||
cjpeg_source_ptr src;
|
||||
FILE *file=NULL;
|
||||
|
||||
memset(&cinfo, 0, sizeof(struct jpeg_compress_struct));
|
||||
|
||||
if(!filename || !buf || !w || !h || dstpf<0 || dstpf>=TJ_NUMPF)
|
||||
_throw("loadbmp(): Invalid argument");
|
||||
|
||||
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))
|
||||
{
|
||||
/* If we get here, the JPEG code has signaled an error. */
|
||||
retval=-1; goto bailout;
|
||||
}
|
||||
|
||||
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(tempc=='B')
|
||||
{
|
||||
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");
|
||||
|
||||
src->input_file=file;
|
||||
(*src->start_input)(&cinfo, src);
|
||||
(*cinfo.mem->realize_virt_arrays)((j_common_ptr)&cinfo);
|
||||
|
||||
*w=cinfo.image_width; *h=cinfo.image_height;
|
||||
|
||||
if(cinfo.input_components==1 && cinfo.in_color_space==JCS_RGB)
|
||||
srcpf=TJPF_GRAY;
|
||||
else srcpf=TJPF_RGB;
|
||||
|
||||
dstps=tjPixelSize[dstpf];
|
||||
if((*buf=(unsigned char *)malloc((*w)*(*h)*dstps))==NULL)
|
||||
_throw("loadbmp(): Memory allocation failure");
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
|
||||
int savebmp(char *filename, unsigned char *buf, int w, int h, int srcpf,
|
||||
int bottomup)
|
||||
{
|
||||
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;
|
||||
|
||||
memset(&dinfo, 0, sizeof(struct jpeg_decompress_struct));
|
||||
|
||||
if(!filename || !buf || w<1 || h<1 || srcpf<0 || srcpf>=TJ_NUMPF)
|
||||
_throw("savebmp(): Invalid argument");
|
||||
|
||||
if((file=fopen(filename, "wb"))==NULL)
|
||||
_throwunix("savebmp(): Cannot open output file");
|
||||
|
||||
dinfo.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))
|
||||
{
|
||||
/* If we get here, the JPEG code has signaled an error. */
|
||||
retval=-1; goto bailout;
|
||||
}
|
||||
|
||||
jpeg_create_decompress(&dinfo);
|
||||
if(srcpf==TJPF_GRAY)
|
||||
{
|
||||
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");
|
||||
}
|
||||
|
||||
dst->output_file=file;
|
||||
(*dst->start_output)(&dinfo, dst);
|
||||
(*dinfo.mem->realize_virt_arrays)((j_common_ptr)&dinfo);
|
||||
|
||||
if(srcpf==TJPF_GRAY) dstpf=srcpf;
|
||||
else dstpf=TJPF_RGB;
|
||||
srcps=tjPixelSize[srcpf];
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
(*dst->finish_output)(&dinfo, dst);
|
||||
|
||||
bailout:
|
||||
jpeg_destroy_decompress(&dinfo);
|
||||
if(file) fclose(file);
|
||||
return retval;
|
||||
}
|
||||
|
||||
const char *bmpgeterr(void)
|
||||
{
|
||||
return errStr;
|
||||
}
|
||||
42
bmp.h
42
bmp.h
@@ -1,42 +0,0 @@
|
||||
/*
|
||||
* Copyright (C)2011 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.
|
||||
*/
|
||||
|
||||
#ifndef __BMP_H__
|
||||
#define __BMP_H__
|
||||
|
||||
#include "./turbojpeg.h"
|
||||
|
||||
int loadbmp(char *filename, unsigned char **buf, int *w, int *h, int pf,
|
||||
int bottomup);
|
||||
|
||||
int savebmp(char *filename, unsigned char *buf, int w, int h, int pf,
|
||||
int bottomup);
|
||||
|
||||
const char *bmpgeterr(void);
|
||||
|
||||
#endif
|
||||
52
change.log
52
change.log
@@ -1,19 +1,15 @@
|
||||
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
|
||||
Version 8c 16-Jan-2011
|
||||
-----------------------
|
||||
|
||||
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.
|
||||
Add option to compression library and cjpeg (-block N) to use
|
||||
different DCT block size.
|
||||
All N from 1 to 16 are possible. Default is 8 (baseline format).
|
||||
Larger values produce higher compression,
|
||||
smaller values produce higher quality.
|
||||
SmartScale capable decoder (introduced with IJG JPEG 8) required.
|
||||
|
||||
|
||||
Version 8b 16-May-2010
|
||||
@@ -22,6 +18,12 @@ 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.
|
||||
|
||||
Repair problem in Makefile.am test target.
|
||||
Thank to anonymous user for the report.
|
||||
|
||||
Support MinGW installation with automatic configure.
|
||||
Thank to Volker Grabsch for the suggestion.
|
||||
|
||||
|
||||
Version 8a 28-Feb-2010
|
||||
-----------------------
|
||||
@@ -31,10 +33,22 @@ 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.
|
||||
|
||||
Improve accuracy in floating point IDCT calculation.
|
||||
Thank to Robert Hooke for the hint.
|
||||
|
||||
|
||||
Version 8 10-Jan-2010
|
||||
----------------------
|
||||
|
||||
jpegtran now supports the same -scale option as djpeg for "lossless" resize.
|
||||
An implementation of the JPEG SmartScale extension is required for this
|
||||
feature. A (draft) specification of the JPEG SmartScale extension is
|
||||
available as a contributed document at ITU and ISO. Revision 2 or later
|
||||
of the document is required (latest document version is Revision 3).
|
||||
The SmartScale extension will enable more features beside lossless resize
|
||||
in future implementations, as described in the document (new compression
|
||||
options).
|
||||
|
||||
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).
|
||||
|
||||
@@ -48,15 +62,31 @@ Version 7 27-Jun-2009
|
||||
|
||||
New scaled DCTs implemented.
|
||||
djpeg now supports scalings N/8 with all N from 1 to 16.
|
||||
cjpeg now supports scalings 8/N with all N from 1 to 16.
|
||||
Scaled DCTs with size larger than 8 are now also used for resolving the
|
||||
common 2x2 chroma subsampling case without additional spatial resampling.
|
||||
Separate spatial resampling for those kind of files is now only necessary
|
||||
for N>8 scaling cases.
|
||||
Furthermore, separate scaled DCT functions are provided for direct resolving
|
||||
of the common asymmetric subsampling cases (2x1 and 1x2) without additional
|
||||
spatial resampling.
|
||||
|
||||
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.
|
||||
|
||||
Added -nosmooth option to cjpeg, complementary to djpeg.
|
||||
New variable "do_fancy_downsampling" in library, complement to fancy
|
||||
upsampling. Fancy upsampling now uses direct DCT scaling with sizes
|
||||
larger than 8. The old method is not reversible and has been removed.
|
||||
|
||||
Support arithmetic entropy encoding and decoding.
|
||||
Added files jaricom.c, jcarith.c, jdarith.c.
|
||||
|
||||
Straighten the file structure:
|
||||
Removed files jidctred.c, jcphuff.c, jchuff.h, jdphuff.c, jdhuff.h.
|
||||
|
||||
jpegtran has a new "lossless" cropping feature.
|
||||
|
||||
Implement -perfect option in jpegtran, new API function
|
||||
|
||||
109
cjpeg.1
109
cjpeg.1
@@ -1,4 +1,4 @@
|
||||
.TH CJPEG 1 "18 January 2013"
|
||||
.TH CJPEG 1 "14 November 2010"
|
||||
.SH NAME
|
||||
cjpeg \- compress an image file to a JPEG file
|
||||
.SH SYNOPSIS
|
||||
@@ -49,11 +49,6 @@ 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.
|
||||
@@ -67,6 +62,13 @@ decompression are unaffected by
|
||||
.B \-progressive
|
||||
Create progressive JPEG file (see below).
|
||||
.TP
|
||||
.BI \-scale " M/N"
|
||||
Scale the output image by a factor M/N. Currently supported scale factors are
|
||||
M/N with all N from 1 to 16, where M is the destination DCT size, which is 8
|
||||
by default (see
|
||||
.BI \-block " N"
|
||||
switch below).
|
||||
.TP
|
||||
.B \-targa
|
||||
Input file is Targa format. Targa files that contain an "identification"
|
||||
field will not be automatically recognized by
|
||||
@@ -113,35 +115,33 @@ 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.
|
||||
The
|
||||
.B \-quality
|
||||
option has been extended in IJG version 7 for support of separate quality
|
||||
settings for luminance and chrominance (or in general, for every provided
|
||||
quantization table slot). This feature is useful for high-quality
|
||||
applications which cannot accept the damage of color data by coarse
|
||||
subsampling settings. You can now easily reduce the color data amount more
|
||||
smoothly with finer control without separate subsampling. The resulting file
|
||||
is fully compliant with standard JPEG decoders.
|
||||
Note that the
|
||||
.B \-quality
|
||||
ratings refer to the quantization table slots, and that the last value is
|
||||
replicated if there are more q-table slots than parameters. The default
|
||||
q-table slots are 0 for luminance and 1 for chrominance with default tables as
|
||||
given in the JPEG standard. This is compatible with the old behaviour in case
|
||||
that only one parameter is given, which is then used for both luminance and
|
||||
chrominance (slots 0 and 1). More or custom quantization tables can be set
|
||||
with
|
||||
.B \-qtables
|
||||
and assigned to components with
|
||||
.B \-qslots
|
||||
parameter (see the "wizard" switches below).
|
||||
.B Caution:
|
||||
You must explicitly add
|
||||
.BI \-sample " 1x1"
|
||||
for efficient separate color
|
||||
quality selection, since the default value used by library is 2x2!
|
||||
.PP
|
||||
The
|
||||
.B \-progressive
|
||||
@@ -155,11 +155,16 @@ about the same --- often a little smaller.
|
||||
.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.
|
||||
.BI \-block " N"
|
||||
Set DCT block size. All N from 1 to 16 are possible.
|
||||
Default is 8 (baseline format).
|
||||
Larger values produce higher compression,
|
||||
smaller values produce higher quality
|
||||
(exact DCT stage possible with 1 or 2; with the default quality of 75 and
|
||||
default Luminance qtable the DCT+Quantization stage is lossless for N=1).
|
||||
CAUTION: An implementation of the JPEG SmartScale extension is required for
|
||||
this feature. SmartScale enabled JPEG is not yet widely implemented, so
|
||||
many decoders will be unable to view a SmartScale extended JPEG file at all.
|
||||
.TP
|
||||
.B \-dct int
|
||||
Use integer DCT method (default).
|
||||
@@ -175,6 +180,9 @@ note that results of the floating-point method may vary slightly across
|
||||
machines, while the integer methods should give the same results everywhere.
|
||||
The fast integer method is much less accurate than the other two.
|
||||
.TP
|
||||
.B \-nosmooth
|
||||
Don't use high-quality downsampling.
|
||||
.TP
|
||||
.BI \-restart " N"
|
||||
Emit a JPEG restart marker every N MCU rows, or every N MCU blocks if "B" is
|
||||
attached to the number.
|
||||
@@ -195,11 +203,6 @@ 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
|
||||
@@ -230,6 +233,12 @@ visibly blur the image, however.
|
||||
.PP
|
||||
Switches for wizards:
|
||||
.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 \-baseline
|
||||
Force baseline-compatible quantization tables to be generated. This clamps
|
||||
quantization values to 8 bits even at low quality settings. (This switch is
|
||||
@@ -318,15 +327,9 @@ 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
|
||||
.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
|
||||
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.)
|
||||
GIF input files are no longer supported, to avoid the Unisys LZW patent.
|
||||
(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
|
||||
|
||||
134
cjpeg.c
134
cjpeg.c
@@ -1,11 +1,9 @@
|
||||
/*
|
||||
* cjpeg.c
|
||||
*
|
||||
* This file was part of the Independent JPEG Group's software:
|
||||
* Copyright (C) 1991-1998, Thomas G. Lane.
|
||||
* Modified 2003-2011 by Guido Vollbeding.
|
||||
* libjpeg-turbo Modifications:
|
||||
* Copyright (C) 2010, 2013, D. R. Commander.
|
||||
* Modified 2003-2010 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 a command-line user interface for the JPEG compressor.
|
||||
@@ -28,7 +26,6 @@
|
||||
|
||||
#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__
|
||||
@@ -139,7 +136,6 @@ 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)
|
||||
@@ -156,19 +152,21 @@ usage (void)
|
||||
fprintf(stderr, "Switches (names may be abbreviated):\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
|
||||
#ifdef C_PROGRESSIVE_SUPPORTED
|
||||
fprintf(stderr, " -progressive Create progressive JPEG file\n");
|
||||
#endif
|
||||
#ifdef DCT_SCALING_SUPPORTED
|
||||
fprintf(stderr, " -scale M/N Scale image by fraction M/N, eg, 1/2\n");
|
||||
#endif
|
||||
#ifdef TARGA_SUPPORTED
|
||||
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");
|
||||
#ifdef DCT_SCALING_SUPPORTED
|
||||
fprintf(stderr, " -block N DCT block size (1..16; default is 8)\n");
|
||||
#endif
|
||||
#ifdef DCT_ISLOW_SUPPORTED
|
||||
fprintf(stderr, " -dct int Use integer DCT method%s\n",
|
||||
@@ -182,17 +180,18 @@ usage (void)
|
||||
fprintf(stderr, " -dct float Use floating-point DCT method%s\n",
|
||||
(JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
|
||||
#endif
|
||||
fprintf(stderr, " -nosmooth Don't use high-quality downsampling\n");
|
||||
fprintf(stderr, " -restart N Set restart interval in rows, or in blocks with B\n");
|
||||
#ifdef INPUT_SMOOTHING_SUPPORTED
|
||||
fprintf(stderr, " -smooth N Smooth dithered input (N=1..100 is strength)\n");
|
||||
#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");
|
||||
@@ -232,7 +231,6 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
|
||||
simple_progressive = FALSE;
|
||||
is_targa = FALSE;
|
||||
outfilename = NULL;
|
||||
memdst = FALSE;
|
||||
cinfo->err->trace_level = 0;
|
||||
|
||||
/* Scan command line options, adjust parameters */
|
||||
@@ -259,10 +257,30 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
|
||||
exit(EXIT_FAILURE);
|
||||
#endif
|
||||
|
||||
} else if (keymatch(arg, "baseline", 1)) {
|
||||
} else if (keymatch(arg, "baseline", 2)) {
|
||||
/* Force baseline-compatible output (8-bit quantizer values). */
|
||||
force_baseline = TRUE;
|
||||
|
||||
} else if (keymatch(arg, "block", 2)) {
|
||||
/* Set DCT block size. */
|
||||
#if defined(DCT_SCALING_SUPPORTED) && defined(JPEG_LIB_VERSION_MAJOR) && \
|
||||
(JPEG_LIB_VERSION_MAJOR > 8 || (JPEG_LIB_VERSION_MAJOR == 8 && \
|
||||
defined(JPEG_LIB_VERSION_MINOR) && JPEG_LIB_VERSION_MINOR >= 3))
|
||||
int val;
|
||||
|
||||
if (++argn >= argc) /* advance to next argument */
|
||||
usage();
|
||||
if (sscanf(argv[argn], "%d", &val) != 1)
|
||||
usage();
|
||||
if (val < 1 || val > 16)
|
||||
usage();
|
||||
cinfo->block_size = val;
|
||||
#else
|
||||
fprintf(stderr, "%s: sorry, block size setting not supported\n",
|
||||
progname);
|
||||
exit(EXIT_FAILURE);
|
||||
#endif
|
||||
|
||||
} else if (keymatch(arg, "dct", 2)) {
|
||||
/* Select DCT algorithm. */
|
||||
if (++argn >= argc) /* advance to next argument */
|
||||
@@ -282,11 +300,8 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
|
||||
static boolean printed_version = FALSE;
|
||||
|
||||
if (! printed_version) {
|
||||
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 software, version %s\n\n",
|
||||
JVERSION);
|
||||
fprintf(stderr, "Independent JPEG Group's CJPEG, version %s\n%s\n",
|
||||
JVERSION, JCOPYRIGHT);
|
||||
printed_version = TRUE;
|
||||
}
|
||||
cinfo->err->trace_level++;
|
||||
@@ -295,10 +310,6 @@ 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;
|
||||
@@ -312,12 +323,16 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
|
||||
lval *= 1000L;
|
||||
cinfo->mem->max_memory_to_use = lval * 1000L;
|
||||
|
||||
} else if (keymatch(arg, "nosmooth", 3)) {
|
||||
/* Suppress fancy downsampling */
|
||||
cinfo->do_fancy_downsampling = FALSE;
|
||||
|
||||
} else if (keymatch(arg, "optimize", 1) || keymatch(arg, "optimise", 1)) {
|
||||
/* Enable entropy parm optimization. */
|
||||
#ifdef ENTROPY_OPT_SUPPORTED
|
||||
cinfo->optimize_coding = TRUE;
|
||||
#else
|
||||
fprintf(stderr, "%s: sorry, entropy optimization was not compiled in\n",
|
||||
fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n",
|
||||
progname);
|
||||
exit(EXIT_FAILURE);
|
||||
#endif
|
||||
@@ -334,21 +349,11 @@ 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 in\n",
|
||||
fprintf(stderr, "%s: sorry, progressive output was not compiled\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 ratings (quantization table scaling factors). */
|
||||
if (++argn >= argc) /* advance to next argument */
|
||||
@@ -401,6 +406,14 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
|
||||
* default sampling factors.
|
||||
*/
|
||||
|
||||
} else if (keymatch(arg, "scale", 4)) {
|
||||
/* Scale the image by a fraction M/N. */
|
||||
if (++argn >= argc) /* advance to next argument */
|
||||
usage();
|
||||
if (sscanf(argv[argn], "%d/%d",
|
||||
&cinfo->scale_num, &cinfo->scale_denom) != 2)
|
||||
usage();
|
||||
|
||||
} else if (keymatch(arg, "scans", 4)) {
|
||||
/* Set scan script. */
|
||||
#ifdef C_MULTISCAN_FILES_SUPPORTED
|
||||
@@ -409,7 +422,7 @@ 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 in\n",
|
||||
fprintf(stderr, "%s: sorry, multi-scan output was not compiled\n",
|
||||
progname);
|
||||
exit(EXIT_FAILURE);
|
||||
#endif
|
||||
@@ -488,9 +501,7 @@ main (int argc, char **argv)
|
||||
int file_index;
|
||||
cjpeg_source_ptr src_mgr;
|
||||
FILE * input_file;
|
||||
FILE * output_file = NULL;
|
||||
unsigned char *outbuffer = NULL;
|
||||
unsigned long outsize = 0;
|
||||
FILE * output_file;
|
||||
JDIMENSION num_scanlines;
|
||||
|
||||
/* On Mac, fetch a command line. */
|
||||
@@ -533,21 +544,19 @@ main (int argc, char **argv)
|
||||
file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
|
||||
|
||||
#ifdef TWO_FILE_COMMANDLINE
|
||||
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();
|
||||
}
|
||||
/* 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
|
||||
@@ -575,7 +584,7 @@ main (int argc, char **argv)
|
||||
fprintf(stderr, "%s: can't open %s\n", progname, outfilename);
|
||||
exit(EXIT_FAILURE);
|
||||
}
|
||||
} else if (!memdst) {
|
||||
} else {
|
||||
/* default output file is stdout */
|
||||
output_file = write_stdout();
|
||||
}
|
||||
@@ -598,12 +607,7 @@ main (int argc, char **argv)
|
||||
file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
|
||||
|
||||
/* Specify data destination for compression */
|
||||
#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);
|
||||
jpeg_stdio_dest(&cinfo, output_file);
|
||||
|
||||
/* Start compressor */
|
||||
jpeg_start_compress(&cinfo, TRUE);
|
||||
@@ -622,19 +626,13 @@ main (int argc, char **argv)
|
||||
/* Close files, if we opened them */
|
||||
if (input_file != stdin)
|
||||
fclose(input_file);
|
||||
if (output_file != stdout && output_file != NULL)
|
||||
if (output_file != stdout)
|
||||
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 */
|
||||
|
||||
402
ckconfig.c
Normal file
402
ckconfig.c
Normal file
@@ -0,0 +1,402 @@
|
||||
/*
|
||||
* ckconfig.c
|
||||
*
|
||||
* Copyright (C) 1991-1994, 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.
|
||||
*/
|
||||
|
||||
/*
|
||||
* This program is intended to help you determine how to configure the JPEG
|
||||
* software for installation on a particular system. The idea is to try to
|
||||
* compile and execute this program. If your compiler fails to compile the
|
||||
* program, make changes as indicated in the comments below. Once you can
|
||||
* compile the program, run it, and it will produce a "jconfig.h" file for
|
||||
* your system.
|
||||
*
|
||||
* As a general rule, each time you try to compile this program,
|
||||
* pay attention only to the *first* error message you get from the compiler.
|
||||
* Many C compilers will issue lots of spurious error messages once they
|
||||
* have gotten confused. Go to the line indicated in the first error message,
|
||||
* and read the comments preceding that line to see what to change.
|
||||
*
|
||||
* Almost all of the edits you may need to make to this program consist of
|
||||
* changing a line that reads "#define SOME_SYMBOL" to "#undef SOME_SYMBOL",
|
||||
* or vice versa. This is called defining or undefining that symbol.
|
||||
*/
|
||||
|
||||
|
||||
/* First we must see if your system has the include files we need.
|
||||
* We start out with the assumption that your system has all the ANSI-standard
|
||||
* include files. If you get any error trying to include one of these files,
|
||||
* undefine the corresponding HAVE_xxx symbol.
|
||||
*/
|
||||
|
||||
#define HAVE_STDDEF_H /* replace 'define' by 'undef' if error here */
|
||||
#ifdef HAVE_STDDEF_H /* next line will be skipped if you undef... */
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
|
||||
#define HAVE_STDLIB_H /* same thing for stdlib.h */
|
||||
#ifdef HAVE_STDLIB_H
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
|
||||
#include <stdio.h> /* If you ain't got this, you ain't got C. */
|
||||
|
||||
/* We have to see if your string functions are defined by
|
||||
* strings.h (old BSD convention) or string.h (everybody else).
|
||||
* We try the non-BSD convention first; define NEED_BSD_STRINGS
|
||||
* if the compiler says it can't find string.h.
|
||||
*/
|
||||
|
||||
#undef NEED_BSD_STRINGS
|
||||
|
||||
#ifdef NEED_BSD_STRINGS
|
||||
#include <strings.h>
|
||||
#else
|
||||
#include <string.h>
|
||||
#endif
|
||||
|
||||
/* On some systems (especially older Unix machines), type size_t is
|
||||
* defined only in the include file <sys/types.h>. If you get a failure
|
||||
* on the size_t test below, try defining NEED_SYS_TYPES_H.
|
||||
*/
|
||||
|
||||
#undef NEED_SYS_TYPES_H /* start by assuming we don't need it */
|
||||
#ifdef NEED_SYS_TYPES_H
|
||||
#include <sys/types.h>
|
||||
#endif
|
||||
|
||||
|
||||
/* Usually type size_t is defined in one of the include files we've included
|
||||
* above. If not, you'll get an error on the "typedef size_t my_size_t;" line.
|
||||
* In that case, first try defining NEED_SYS_TYPES_H just above.
|
||||
* If that doesn't work, you'll have to search through your system library
|
||||
* to figure out which include file defines "size_t". Look for a line that
|
||||
* says "typedef something-or-other size_t;". Then, change the line below
|
||||
* that says "#include <someincludefile.h>" to instead include the file
|
||||
* you found size_t in, and define NEED_SPECIAL_INCLUDE. If you can't find
|
||||
* type size_t anywhere, try replacing "#include <someincludefile.h>" with
|
||||
* "typedef unsigned int size_t;".
|
||||
*/
|
||||
|
||||
#undef NEED_SPECIAL_INCLUDE /* assume we DON'T need it, for starters */
|
||||
|
||||
#ifdef NEED_SPECIAL_INCLUDE
|
||||
#include <someincludefile.h>
|
||||
#endif
|
||||
|
||||
typedef size_t my_size_t; /* The payoff: do we have size_t now? */
|
||||
|
||||
|
||||
/* The next question is whether your compiler supports ANSI-style function
|
||||
* prototypes. You need to know this in order to choose between using
|
||||
* makefile.ansi and using makefile.unix.
|
||||
* The #define line below is set to assume you have ANSI function prototypes.
|
||||
* If you get an error in this group of lines, undefine HAVE_PROTOTYPES.
|
||||
*/
|
||||
|
||||
#define HAVE_PROTOTYPES
|
||||
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
int testfunction (int arg1, int * arg2); /* check prototypes */
|
||||
|
||||
struct methods_struct { /* check method-pointer declarations */
|
||||
int (*error_exit) (char *msgtext);
|
||||
int (*trace_message) (char *msgtext);
|
||||
int (*another_method) (void);
|
||||
};
|
||||
|
||||
int testfunction (int arg1, int * arg2) /* check definitions */
|
||||
{
|
||||
return arg2[arg1];
|
||||
}
|
||||
|
||||
int test2function (void) /* check void arg list */
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/* Now we want to find out if your compiler knows what "unsigned char" means.
|
||||
* If you get an error on the "unsigned char un_char;" line,
|
||||
* then undefine HAVE_UNSIGNED_CHAR.
|
||||
*/
|
||||
|
||||
#define HAVE_UNSIGNED_CHAR
|
||||
|
||||
#ifdef HAVE_UNSIGNED_CHAR
|
||||
unsigned char un_char;
|
||||
#endif
|
||||
|
||||
|
||||
/* Now we want to find out if your compiler knows what "unsigned short" means.
|
||||
* If you get an error on the "unsigned short un_short;" line,
|
||||
* then undefine HAVE_UNSIGNED_SHORT.
|
||||
*/
|
||||
|
||||
#define HAVE_UNSIGNED_SHORT
|
||||
|
||||
#ifdef HAVE_UNSIGNED_SHORT
|
||||
unsigned short un_short;
|
||||
#endif
|
||||
|
||||
|
||||
/* Now we want to find out if your compiler understands type "void".
|
||||
* If you get an error anywhere in here, undefine HAVE_VOID.
|
||||
*/
|
||||
|
||||
#define HAVE_VOID
|
||||
|
||||
#ifdef HAVE_VOID
|
||||
/* Caution: a C++ compiler will insist on complete prototypes */
|
||||
typedef void * void_ptr; /* check void * */
|
||||
#ifdef HAVE_PROTOTYPES /* check ptr to function returning void */
|
||||
typedef void (*void_func) (int a, int b);
|
||||
#else
|
||||
typedef void (*void_func) ();
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_PROTOTYPES /* check void function result */
|
||||
void test3function (void_ptr arg1, void_func arg2)
|
||||
#else
|
||||
void test3function (arg1, arg2)
|
||||
void_ptr arg1;
|
||||
void_func arg2;
|
||||
#endif
|
||||
{
|
||||
char * locptr = (char *) arg1; /* check casting to and from void * */
|
||||
arg1 = (void *) locptr;
|
||||
(*arg2) (1, 2); /* check call of fcn returning void */
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/* Now we want to find out if your compiler knows what "const" means.
|
||||
* If you get an error here, undefine HAVE_CONST.
|
||||
*/
|
||||
|
||||
#define HAVE_CONST
|
||||
|
||||
#ifdef HAVE_CONST
|
||||
static const int carray[3] = {1, 2, 3};
|
||||
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
int test4function (const int arg1)
|
||||
#else
|
||||
int test4function (arg1)
|
||||
const int arg1;
|
||||
#endif
|
||||
{
|
||||
return carray[arg1];
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/* If you get an error or warning about this structure definition,
|
||||
* define INCOMPLETE_TYPES_BROKEN.
|
||||
*/
|
||||
|
||||
#undef INCOMPLETE_TYPES_BROKEN
|
||||
|
||||
#ifndef INCOMPLETE_TYPES_BROKEN
|
||||
typedef struct undefined_structure * undef_struct_ptr;
|
||||
#endif
|
||||
|
||||
|
||||
/* If you get an error about duplicate names,
|
||||
* define NEED_SHORT_EXTERNAL_NAMES.
|
||||
*/
|
||||
|
||||
#undef NEED_SHORT_EXTERNAL_NAMES
|
||||
|
||||
#ifndef NEED_SHORT_EXTERNAL_NAMES
|
||||
|
||||
int possibly_duplicate_function ()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int possibly_dupli_function ()
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/************************************************************************
|
||||
* OK, that's it. You should not have to change anything beyond this
|
||||
* point in order to compile and execute this program. (You might get
|
||||
* some warnings, but you can ignore them.)
|
||||
* When you run the program, it will make a couple more tests that it
|
||||
* can do automatically, and then it will create jconfig.h and print out
|
||||
* any additional suggestions it has.
|
||||
************************************************************************
|
||||
*/
|
||||
|
||||
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
int is_char_signed (int arg)
|
||||
#else
|
||||
int is_char_signed (arg)
|
||||
int arg;
|
||||
#endif
|
||||
{
|
||||
if (arg == 189) { /* expected result for unsigned char */
|
||||
return 0; /* type char is unsigned */
|
||||
}
|
||||
else if (arg != -67) { /* expected result for signed char */
|
||||
printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n");
|
||||
printf("I fear the JPEG software will not work at all.\n\n");
|
||||
}
|
||||
return 1; /* assume char is signed otherwise */
|
||||
}
|
||||
|
||||
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
int is_shifting_signed (long arg)
|
||||
#else
|
||||
int is_shifting_signed (arg)
|
||||
long arg;
|
||||
#endif
|
||||
/* See whether right-shift on a long is signed or not. */
|
||||
{
|
||||
long res = arg >> 4;
|
||||
|
||||
if (res == -0x7F7E80CL) { /* expected result for signed shift */
|
||||
return 1; /* right shift is signed */
|
||||
}
|
||||
/* see if unsigned-shift hack will fix it. */
|
||||
/* we can't just test exact value since it depends on width of long... */
|
||||
res |= (~0L) << (32-4);
|
||||
if (res == -0x7F7E80CL) { /* expected result now? */
|
||||
return 0; /* right shift is unsigned */
|
||||
}
|
||||
printf("Right shift isn't acting as I expect it to.\n");
|
||||
printf("I fear the JPEG software will not work at all.\n\n");
|
||||
return 0; /* try it with unsigned anyway */
|
||||
}
|
||||
|
||||
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
int main (int argc, char ** argv)
|
||||
#else
|
||||
int main (argc, argv)
|
||||
int argc;
|
||||
char ** argv;
|
||||
#endif
|
||||
{
|
||||
char signed_char_check = (char) (-67);
|
||||
FILE *outfile;
|
||||
|
||||
/* Attempt to write jconfig.h */
|
||||
if ((outfile = fopen("jconfig.h", "w")) == NULL) {
|
||||
printf("Failed to write jconfig.h\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Write out all the info */
|
||||
fprintf(outfile, "/* jconfig.h --- generated by ckconfig.c */\n");
|
||||
fprintf(outfile, "/* see jconfig.txt for explanations */\n\n");
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
fprintf(outfile, "#define HAVE_PROTOTYPES\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef HAVE_PROTOTYPES\n");
|
||||
#endif
|
||||
#ifdef HAVE_UNSIGNED_CHAR
|
||||
fprintf(outfile, "#define HAVE_UNSIGNED_CHAR\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef HAVE_UNSIGNED_CHAR\n");
|
||||
#endif
|
||||
#ifdef HAVE_UNSIGNED_SHORT
|
||||
fprintf(outfile, "#define HAVE_UNSIGNED_SHORT\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef HAVE_UNSIGNED_SHORT\n");
|
||||
#endif
|
||||
#ifdef HAVE_VOID
|
||||
fprintf(outfile, "/* #define void char */\n");
|
||||
#else
|
||||
fprintf(outfile, "#define void char\n");
|
||||
#endif
|
||||
#ifdef HAVE_CONST
|
||||
fprintf(outfile, "/* #define const */\n");
|
||||
#else
|
||||
fprintf(outfile, "#define const\n");
|
||||
#endif
|
||||
if (is_char_signed((int) signed_char_check))
|
||||
fprintf(outfile, "#undef CHAR_IS_UNSIGNED\n");
|
||||
else
|
||||
fprintf(outfile, "#define CHAR_IS_UNSIGNED\n");
|
||||
#ifdef HAVE_STDDEF_H
|
||||
fprintf(outfile, "#define HAVE_STDDEF_H\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef HAVE_STDDEF_H\n");
|
||||
#endif
|
||||
#ifdef HAVE_STDLIB_H
|
||||
fprintf(outfile, "#define HAVE_STDLIB_H\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef HAVE_STDLIB_H\n");
|
||||
#endif
|
||||
#ifdef NEED_BSD_STRINGS
|
||||
fprintf(outfile, "#define NEED_BSD_STRINGS\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef NEED_BSD_STRINGS\n");
|
||||
#endif
|
||||
#ifdef NEED_SYS_TYPES_H
|
||||
fprintf(outfile, "#define NEED_SYS_TYPES_H\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef NEED_SYS_TYPES_H\n");
|
||||
#endif
|
||||
fprintf(outfile, "#undef NEED_FAR_POINTERS\n");
|
||||
#ifdef NEED_SHORT_EXTERNAL_NAMES
|
||||
fprintf(outfile, "#define NEED_SHORT_EXTERNAL_NAMES\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef NEED_SHORT_EXTERNAL_NAMES\n");
|
||||
#endif
|
||||
#ifdef INCOMPLETE_TYPES_BROKEN
|
||||
fprintf(outfile, "#define INCOMPLETE_TYPES_BROKEN\n");
|
||||
#else
|
||||
fprintf(outfile, "#undef INCOMPLETE_TYPES_BROKEN\n");
|
||||
#endif
|
||||
fprintf(outfile, "\n#ifdef JPEG_INTERNALS\n\n");
|
||||
if (is_shifting_signed(-0x7F7E80B1L))
|
||||
fprintf(outfile, "#undef RIGHT_SHIFT_IS_UNSIGNED\n");
|
||||
else
|
||||
fprintf(outfile, "#define RIGHT_SHIFT_IS_UNSIGNED\n");
|
||||
fprintf(outfile, "\n#endif /* JPEG_INTERNALS */\n");
|
||||
fprintf(outfile, "\n#ifdef JPEG_CJPEG_DJPEG\n\n");
|
||||
fprintf(outfile, "#define BMP_SUPPORTED /* BMP image file format */\n");
|
||||
fprintf(outfile, "#define GIF_SUPPORTED /* GIF image file format */\n");
|
||||
fprintf(outfile, "#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */\n");
|
||||
fprintf(outfile, "#undef RLE_SUPPORTED /* Utah RLE image file format */\n");
|
||||
fprintf(outfile, "#define TARGA_SUPPORTED /* Targa image file format */\n\n");
|
||||
fprintf(outfile, "#undef TWO_FILE_COMMANDLINE /* You may need this on non-Unix systems */\n");
|
||||
fprintf(outfile, "#undef NEED_SIGNAL_CATCHER /* Define this if you use jmemname.c */\n");
|
||||
fprintf(outfile, "#undef DONT_USE_B_MODE\n");
|
||||
fprintf(outfile, "/* #define PROGRESS_REPORT */ /* optional */\n");
|
||||
fprintf(outfile, "\n#endif /* JPEG_CJPEG_DJPEG */\n");
|
||||
|
||||
/* Close the jconfig.h file */
|
||||
fclose(outfile);
|
||||
|
||||
/* User report */
|
||||
printf("Configuration check for Independent JPEG Group's software done.\n");
|
||||
printf("\nI have written the jconfig.h file for you.\n\n");
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
printf("You should use makefile.ansi as the starting point for your Makefile.\n");
|
||||
#else
|
||||
printf("You should use makefile.unix as the starting point for your Makefile.\n");
|
||||
#endif
|
||||
|
||||
#ifdef NEED_SPECIAL_INCLUDE
|
||||
printf("\nYou'll need to change jconfig.h to include the system include file\n");
|
||||
printf("that you found type size_t in, or add a direct definition of type\n");
|
||||
printf("size_t if that's what you used. Just add it to the end.\n");
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -1,15 +0,0 @@
|
||||
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()
|
||||
@@ -1,34 +0,0 @@
|
||||
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 ${FILES})
|
||||
else()
|
||||
message(STATUS "No files to remove")
|
||||
endif()
|
||||
1501
config.guess
vendored
Executable file
1501
config.guess
vendored
Executable file
File diff suppressed because it is too large
Load Diff
1705
config.sub
vendored
Executable file
1705
config.sub
vendored
Executable file
File diff suppressed because it is too large
Load Diff
765
configure.ac
765
configure.ac
@@ -1,513 +1,318 @@
|
||||
# -*- Autoconf -*-
|
||||
# IJG auto-configuration source file.
|
||||
# Process this file with autoconf to produce a configure script.
|
||||
|
||||
AC_PREREQ([2.56])
|
||||
AC_INIT([libjpeg-turbo], [1.3.1])
|
||||
BUILD=`date +%Y%m%d`
|
||||
#
|
||||
# Configure script for IJG libjpeg
|
||||
#
|
||||
|
||||
AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
|
||||
AC_PREFIX_DEFAULT(/opt/libjpeg-turbo)
|
||||
AC_INIT([libjpeg], [8.3.0])
|
||||
|
||||
# Always build with prototypes
|
||||
AC_DEFINE([HAVE_PROTOTYPES], 1, [Define if your compiler supports prototypes])
|
||||
# Directory where autotools helper scripts lives.
|
||||
AC_CONFIG_AUX_DIR([.])
|
||||
|
||||
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
|
||||
# Generate configuration headers.
|
||||
AC_CONFIG_HEADERS([jconfig.h:jconfig.cfg])
|
||||
|
||||
# Checks for programs.
|
||||
SAVED_CFLAGS=${CFLAGS}
|
||||
SAVED_CPPFLAGS=${CPPFLAGS}
|
||||
AC_PROG_CPP
|
||||
# Hack: disable autoheader so that it doesn't overwrite our cfg template.
|
||||
AUTOHEADER="echo autoheader ignored"
|
||||
|
||||
# Check system type
|
||||
AC_CANONICAL_TARGET
|
||||
|
||||
# Initialize Automake
|
||||
# Don't require all the GNU mandated files
|
||||
AM_INIT_AUTOMAKE([-Wall -Werror ansi2knr no-dist foreign])
|
||||
|
||||
# Make --enable-silent-rules the default.
|
||||
# To get verbose build output you may configure
|
||||
# with --disable-silent-rules or use "make V=1".
|
||||
AM_SILENT_RULES([yes])
|
||||
|
||||
# This is required when using the de-ANSI-fication feature.
|
||||
AM_C_PROTOTYPES
|
||||
|
||||
# Add configure option --enable-maintainer-mode which enables
|
||||
# dependency checking and generation useful to package maintainers.
|
||||
# This is made an option to avoid confusing end users.
|
||||
AM_MAINTAINER_MODE
|
||||
|
||||
# Check for programs
|
||||
AC_PROG_CC
|
||||
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
|
||||
AM_PROG_AS
|
||||
AM_PROG_CC_C_O
|
||||
AC_PROG_CC_STDC
|
||||
AC_PROG_CPP
|
||||
AC_PROG_INSTALL
|
||||
AC_PROG_LIBTOOL
|
||||
AC_PROG_MAKE_SET
|
||||
AC_PROG_LN_S
|
||||
|
||||
# When the prefix is /opt/libjpeg-turbo, we assume that an "official" binary is
|
||||
# being created, and thus we install things into specific locations.
|
||||
|
||||
old_prefix=${prefix}
|
||||
if test "x$prefix" = "xNONE" -a "x$ac_default_prefix" != "x"; then
|
||||
prefix=$ac_default_prefix
|
||||
fi
|
||||
DATADIR=`eval echo ${datadir}`
|
||||
DATADIR=`eval echo $DATADIR`
|
||||
if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
|
||||
datadir='${prefix}'
|
||||
fi
|
||||
DATADIR=`eval echo ${datarootdir}`
|
||||
DATADIR=`eval echo $DATADIR`
|
||||
if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
|
||||
datarootdir='${prefix}'
|
||||
fi
|
||||
|
||||
old_exec_prefix=${exec_prefix}
|
||||
if test "x$exec_prefix" = "xNONE"; then
|
||||
exec_prefix=${prefix}
|
||||
fi
|
||||
|
||||
if test "x${libdir}" = 'x${exec_prefix}/lib' -o "x${libdir}" = 'x${prefix}/lib'; then
|
||||
LIBDIR=`eval echo ${libdir}`
|
||||
LIBDIR=`eval echo $LIBDIR`
|
||||
if test "$LIBDIR" = "/opt/libjpeg-turbo/lib"; then
|
||||
case $host_os in
|
||||
darwin*)
|
||||
;;
|
||||
*)
|
||||
AC_CHECK_SIZEOF(long)
|
||||
if test "${ac_cv_sizeof_long}" = "8"; then
|
||||
libdir='${exec_prefix}/lib64'
|
||||
elif test "${ac_cv_sizeof_long}" = "4"; then
|
||||
libdir='${exec_prefix}/lib32'
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
fi
|
||||
exec_prefix=${old_exec_prefix}
|
||||
prefix=${old_prefix}
|
||||
|
||||
# Check whether compiler supports pointers to undefined structures
|
||||
AC_MSG_CHECKING(whether compiler supports pointers to undefined structures)
|
||||
AC_TRY_COMPILE([ typedef struct undefined_structure * undef_struct_ptr; ], ,
|
||||
AC_MSG_RESULT(yes),
|
||||
[AC_MSG_RESULT(no)
|
||||
AC_DEFINE([INCOMPLETE_TYPES_BROKEN], [1],
|
||||
[Compiler does not support pointers to undefined structures.])])
|
||||
|
||||
if test "x${GCC}" = "xyes"; then
|
||||
if test "x${SAVED_CFLAGS}" = "x"; then
|
||||
CFLAGS=-O3
|
||||
fi
|
||||
if test "x${SAVED_CPPFLAGS}" = "x"; then
|
||||
CPPFLAGS=-Wall
|
||||
fi
|
||||
fi
|
||||
|
||||
AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
|
||||
if test "x${SUNCC}" = "xyes"; then
|
||||
if test "x${SAVED_CFLAGS}" = "x"; then
|
||||
CFLAGS=-xO5
|
||||
fi
|
||||
fi
|
||||
|
||||
# Checks for libraries.
|
||||
|
||||
# Checks for header files.
|
||||
AC_HEADER_STDC
|
||||
AC_CHECK_HEADERS([stddef.h stdlib.h string.h])
|
||||
AC_CHECK_HEADER([sys/types.h],
|
||||
AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you have sys/types.h]))
|
||||
|
||||
# Checks for typedefs, structures, and compiler characteristics.
|
||||
AC_C_CONST
|
||||
AC_C_CHAR_UNSIGNED
|
||||
AC_C_INLINE
|
||||
AC_TYPE_SIZE_T
|
||||
AC_CHECK_TYPES([unsigned char, unsigned short])
|
||||
|
||||
AC_MSG_CHECKING([if right shift is signed])
|
||||
AC_TRY_RUN(
|
||||
[#include <stdio.h>
|
||||
int is_shifting_signed (long arg) {
|
||||
long res = arg >> 4;
|
||||
|
||||
if (res == -0x7F7E80CL)
|
||||
return 1; /* right shift is signed */
|
||||
|
||||
/* see if unsigned-shift hack will fix it. */
|
||||
/* we can't just test exact value since it depends on width of long... */
|
||||
res |= (~0L) << (32-4);
|
||||
if (res == -0x7F7E80CL)
|
||||
return 0; /* right shift is unsigned */
|
||||
|
||||
printf("Right shift isn't acting as I expect it to.\n");
|
||||
printf("I fear the JPEG software will not work at all.\n\n");
|
||||
return 0; /* try it with unsigned anyway */
|
||||
}
|
||||
int main (void) {
|
||||
exit(is_shifting_signed(-0x7F7E80B1L));
|
||||
}],
|
||||
[AC_MSG_RESULT(no)
|
||||
AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1, [Define if shift is unsigned])],
|
||||
[AC_MSG_RESULT(yes)],
|
||||
[AC_MSG_RESULT(Assuming that right shift is signed on target machine.)])
|
||||
|
||||
# test whether global names are unique to at least 15 chars
|
||||
AC_MSG_CHECKING([for short external names])
|
||||
AC_TRY_LINK(
|
||||
[int possibly_duplicate_function () { return 0; }
|
||||
int possibly_dupli_function () { return 1; }], [ ],
|
||||
[AC_MSG_RESULT(ok)],
|
||||
[AC_MSG_RESULT(short)
|
||||
AC_DEFINE([NEED_SHORT_EXTERNAL_NAMES], 1,
|
||||
[Define if you need short function names])])
|
||||
|
||||
# Checks for library functions.
|
||||
AC_CHECK_FUNCS([memset memcpy], [],
|
||||
[AC_DEFINE([NEED_BSD_STRINGS], 1,
|
||||
[Define if you have BSD-like bzero and bcopy])])
|
||||
|
||||
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
|
||||
# Check if LD supports linker scripts,
|
||||
# and define automake conditional HAVE_LD_VERSION_SCRIPT if so.
|
||||
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="$LDFLAGS -Wl,--version-script,conftest.map"
|
||||
cat > conftest.map <<EOF
|
||||
AS_HELP_STRING([--enable-ld-version-script],
|
||||
[enable linker version script (default is enabled when possible)]),
|
||||
[have_ld_version_script=$enableval], [])
|
||||
if test -z "$have_ld_version_script"; then
|
||||
AC_MSG_CHECKING([if LD -Wl,--version-script works])
|
||||
save_LDFLAGS="$LDFLAGS"
|
||||
LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map"
|
||||
cat > conftest.map <<EOF
|
||||
VERS_1 {
|
||||
global: *;
|
||||
global: sym;
|
||||
};
|
||||
|
||||
VERS_2 {
|
||||
global: sym;
|
||||
} VERS_1;
|
||||
EOF
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
|
||||
[VERSION_SCRIPT_FLAG=-Wl,--version-script,;
|
||||
AC_MSG_RESULT([yes (GNU style)])],
|
||||
[])
|
||||
if test "x$VERSION_SCRIPT_FLAG" = "x"; then
|
||||
LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map"
|
||||
AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
|
||||
[VERSION_SCRIPT_FLAG=-Wl,-M,;
|
||||
AC_MSG_RESULT([yes (Sun style)])],
|
||||
[])
|
||||
[have_ld_version_script=yes], [have_ld_version_script=no])
|
||||
rm -f conftest.map
|
||||
LDFLAGS="$save_LDFLAGS"
|
||||
AC_MSG_RESULT($have_ld_version_script)
|
||||
fi
|
||||
if test "x$VERSION_SCRIPT_FLAG" = "x"; then
|
||||
VERSION_SCRIPT=no
|
||||
AC_MSG_RESULT(no)
|
||||
AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
|
||||
|
||||
# See if compiler supports prototypes.
|
||||
AC_MSG_CHECKING(for function prototypes)
|
||||
AC_CACHE_VAL(ijg_cv_have_prototypes,
|
||||
[AC_TRY_COMPILE([
|
||||
int testfunction (int arg1, int * arg2); /* check prototypes */
|
||||
struct methods_struct { /* check method-pointer declarations */
|
||||
int (*error_exit) (char *msgtext);
|
||||
int (*trace_message) (char *msgtext);
|
||||
int (*another_method) (void);
|
||||
};
|
||||
int testfunction (int arg1, int * arg2) /* check definitions */
|
||||
{ return arg2[arg1]; }
|
||||
int test2function (void) /* check void arg list */
|
||||
{ return 0; }
|
||||
], [ ], ijg_cv_have_prototypes=yes, ijg_cv_have_prototypes=no)])
|
||||
AC_MSG_RESULT($ijg_cv_have_prototypes)
|
||||
if test $ijg_cv_have_prototypes = yes; then
|
||||
AC_DEFINE([HAVE_PROTOTYPES],[1],[Compiler supports function prototypes.])
|
||||
else
|
||||
echo Your compiler does not seem to know about function prototypes.
|
||||
echo Perhaps it needs a special switch to enable ANSI C mode.
|
||||
echo If so, we recommend running configure like this:
|
||||
echo " ./configure CC='cc -switch'"
|
||||
echo where -switch is the proper switch.
|
||||
fi
|
||||
LDFLAGS="$SAVED_LDFLAGS"
|
||||
|
||||
AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo])
|
||||
AC_MSG_RESULT($VERSION_SCRIPT)
|
||||
# Check header files
|
||||
AC_CHECK_HEADERS(stddef.h stdlib.h locale.h)
|
||||
AC_CHECK_HEADER(string.h, , AC_DEFINE([NEED_BSD_STRINGS],[1],[Compiler has <strings.h> rather than standard <string.h>.]))
|
||||
|
||||
AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
|
||||
AC_SUBST(VERSION_SCRIPT_FLAG)
|
||||
# See whether type size_t is defined in any ANSI-standard places;
|
||||
# if not, perhaps it is defined in <sys/types.h>.
|
||||
AC_MSG_CHECKING(for size_t)
|
||||
AC_TRY_COMPILE([
|
||||
#ifdef HAVE_STDDEF_H
|
||||
#include <stddef.h>
|
||||
#endif
|
||||
#ifdef HAVE_STDLIB_H
|
||||
#include <stdlib.h>
|
||||
#endif
|
||||
#include <stdio.h>
|
||||
#ifdef NEED_BSD_STRINGS
|
||||
#include <strings.h>
|
||||
#else
|
||||
#include <string.h>
|
||||
#endif
|
||||
typedef size_t my_size_t;
|
||||
], [ my_size_t foovar; ], ijg_size_t_ok=yes,
|
||||
[ijg_size_t_ok="not ANSI, perhaps it is in sys/types.h"])
|
||||
AC_MSG_RESULT($ijg_size_t_ok)
|
||||
if test "$ijg_size_t_ok" != yes; then
|
||||
AC_CHECK_HEADER(sys/types.h, [AC_DEFINE([NEED_SYS_TYPES_H],[1],[Need to include <sys/types.h> in order to obtain size_t.])
|
||||
AC_EGREP_CPP(size_t, [#include <sys/types.h>],
|
||||
[ijg_size_t_ok="size_t is in sys/types.h"], ijg_size_t_ok=no)],
|
||||
ijg_size_t_ok=no)
|
||||
AC_MSG_RESULT($ijg_size_t_ok)
|
||||
if test "$ijg_size_t_ok" = no; then
|
||||
echo Type size_t is not defined in any of the usual places.
|
||||
echo Try putting '"typedef unsigned int size_t;"' in jconfig.h.
|
||||
fi
|
||||
fi
|
||||
|
||||
# Check compiler characteristics
|
||||
AC_MSG_CHECKING(for type unsigned char)
|
||||
AC_TRY_COMPILE(, [ unsigned char un_char; ],
|
||||
[AC_MSG_RESULT(yes)
|
||||
AC_DEFINE([HAVE_UNSIGNED_CHAR],[1],[Compiler supports 'unsigned char'.])], AC_MSG_RESULT(no))
|
||||
dnl
|
||||
AC_MSG_CHECKING(for type unsigned short)
|
||||
AC_TRY_COMPILE(, [ unsigned short un_short; ],
|
||||
[AC_MSG_RESULT(yes)
|
||||
AC_DEFINE([HAVE_UNSIGNED_SHORT],[1],[Compiler supports 'unsigned short'.])], AC_MSG_RESULT(no))
|
||||
dnl
|
||||
AC_MSG_CHECKING(for type void)
|
||||
AC_TRY_COMPILE([
|
||||
/* Caution: a C++ compiler will insist on valid prototypes */
|
||||
typedef void * void_ptr; /* check void * */
|
||||
#ifdef HAVE_PROTOTYPES /* check ptr to function returning void */
|
||||
typedef void (*void_func) (int a, int b);
|
||||
#else
|
||||
typedef void (*void_func) ();
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_PROTOTYPES /* check void function result */
|
||||
void test3function (void_ptr arg1, void_func arg2)
|
||||
#else
|
||||
void test3function (arg1, arg2)
|
||||
void_ptr arg1;
|
||||
void_func arg2;
|
||||
#endif
|
||||
{
|
||||
char * locptr = (char *) arg1; /* check casting to and from void * */
|
||||
arg1 = (void *) locptr;
|
||||
(*arg2) (1, 2); /* check call of fcn returning void */
|
||||
}
|
||||
], [ ], AC_MSG_RESULT(yes), [AC_MSG_RESULT(no)
|
||||
AC_DEFINE([void],[char],[Define 'void' as 'char' for archaic compilers that don't understand it.])])
|
||||
AC_C_CONST
|
||||
|
||||
# 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="inline __attribute__((always_inline))",
|
||||
ijg_cv_inline=""
|
||||
AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; }
|
||||
int bar() { return foo();], ljt_cv_inline="__inline__",
|
||||
int bar() { return foo();], ijg_cv_inline="__inline__",
|
||||
AC_TRY_COMPILE(, [} __inline int foo() { return 0; }
|
||||
int bar() { return foo();], ljt_cv_inline="__inline",
|
||||
int bar() { return foo();], ijg_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.])
|
||||
int bar() { return foo();], ijg_cv_inline="inline")))
|
||||
AC_MSG_RESULT($ijg_cv_inline)
|
||||
AC_DEFINE_UNQUOTED([INLINE],[$ijg_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)
|
||||
# We cannot check for bogus warnings, but at least we can check for errors
|
||||
AC_MSG_CHECKING(for broken incomplete types)
|
||||
AC_TRY_COMPILE([ typedef struct undefined_structure * undef_struct_ptr; ], ,
|
||||
AC_MSG_RESULT(ok),
|
||||
[AC_MSG_RESULT(broken)
|
||||
AC_DEFINE([INCOMPLETE_TYPES_BROKEN],[1],[Compiler does not support pointers to unspecified structures.])])
|
||||
|
||||
# Test whether global names are unique to at least 15 chars
|
||||
AC_MSG_CHECKING(for short external names)
|
||||
AC_TRY_LINK([
|
||||
int possibly_duplicate_function () { return 0; }
|
||||
int possibly_dupli_function () { return 1; }
|
||||
], [ ], AC_MSG_RESULT(ok), [AC_MSG_RESULT(short)
|
||||
AC_DEFINE([NEED_SHORT_EXTERNAL_NAMES],[1],[Linker requires that global names be unique in first 15 characters.])])
|
||||
|
||||
# Run-time checks
|
||||
AC_MSG_CHECKING(to see if char is signed)
|
||||
AC_TRY_RUN([
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
int is_char_signed (int arg)
|
||||
#else
|
||||
int is_char_signed (arg)
|
||||
int arg;
|
||||
#endif
|
||||
{
|
||||
if (arg == 189) { /* expected result for unsigned char */
|
||||
return 0; /* type char is unsigned */
|
||||
}
|
||||
else if (arg != -67) { /* expected result for signed char */
|
||||
printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n");
|
||||
printf("I fear the JPEG software will not work at all.\n\n");
|
||||
}
|
||||
return 1; /* assume char is signed otherwise */
|
||||
}
|
||||
char signed_char_check = (char) (-67);
|
||||
int main() {
|
||||
exit(is_char_signed((int) signed_char_check));
|
||||
}], [AC_MSG_RESULT(no)
|
||||
AC_DEFINE([CHAR_IS_UNSIGNED],[1],[Characters are unsigned])], AC_MSG_RESULT(yes),
|
||||
[echo Assuming that char is signed on target machine.
|
||||
echo If it is unsigned, this will be a little bit inefficient.
|
||||
])
|
||||
dnl
|
||||
AC_MSG_CHECKING(to see if right shift is signed)
|
||||
AC_TRY_RUN([
|
||||
#ifdef HAVE_PROTOTYPES
|
||||
int is_shifting_signed (long arg)
|
||||
#else
|
||||
int is_shifting_signed (arg)
|
||||
long arg;
|
||||
#endif
|
||||
/* See whether right-shift on a long is signed or not. */
|
||||
{
|
||||
long res = arg >> 4;
|
||||
|
||||
if (res == -0x7F7E80CL) { /* expected result for signed shift */
|
||||
return 1; /* right shift is signed */
|
||||
}
|
||||
/* see if unsigned-shift hack will fix it. */
|
||||
/* we can't just test exact value since it depends on width of long... */
|
||||
res |= (~0L) << (32-4);
|
||||
if (res == -0x7F7E80CL) { /* expected result now? */
|
||||
return 0; /* right shift is unsigned */
|
||||
}
|
||||
printf("Right shift isn't acting as I expect it to.\n");
|
||||
printf("I fear the JPEG software will not work at all.\n\n");
|
||||
return 0; /* try it with unsigned anyway */
|
||||
}
|
||||
int main() {
|
||||
exit(is_shifting_signed(-0x7F7E80B1L));
|
||||
}], [AC_MSG_RESULT(no)
|
||||
AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED],[1],[Broken compiler shifts signed values as an unsigned shift.])], AC_MSG_RESULT(yes),
|
||||
AC_MSG_RESULT(Assuming that right shift is signed on target machine.))
|
||||
dnl
|
||||
AC_MSG_CHECKING(to see if fopen accepts b spec)
|
||||
AC_TRY_RUN([
|
||||
#include <stdio.h>
|
||||
int main() {
|
||||
if (fopen("conftestdata", "wb") != NULL)
|
||||
exit(0);
|
||||
exit(1);
|
||||
}], AC_MSG_RESULT(yes), [AC_MSG_RESULT(no)
|
||||
AC_DEFINE([DONT_USE_B_MODE],[1],[Don't open files in binary mode.])],
|
||||
AC_MSG_RESULT(Assuming that it does.))
|
||||
|
||||
# Configure libtool
|
||||
AC_LIBTOOL_WIN32_DLL
|
||||
AC_PROG_LIBTOOL
|
||||
|
||||
# Select memory manager depending on user input.
|
||||
# If no "-enable-maxmem", use jmemnobs
|
||||
MEMORYMGR='jmemnobs'
|
||||
MAXMEM="no"
|
||||
AC_ARG_ENABLE(maxmem,
|
||||
[ --enable-maxmem[=N] enable use of temp files, set max mem usage to N MB],
|
||||
MAXMEM="$enableval")
|
||||
dnl [# support --with-maxmem for backwards compatibility with IJG V5.]
|
||||
dnl AC_ARG_WITH(maxmem, , MAXMEM="$withval")
|
||||
if test "x$MAXMEM" = xyes; then
|
||||
MAXMEM=1
|
||||
fi
|
||||
AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$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=$DEFAULT_JNI_CFLAGS
|
||||
if test "x$MAXMEM" != xno; then
|
||||
if test -n "`echo $MAXMEM | sed 's/[[0-9]]//g'`"; then
|
||||
AC_MSG_ERROR(non-numeric argument to --enable-maxmem)
|
||||
fi
|
||||
DEFAULTMAXMEM=`expr $MAXMEM \* 1048576`
|
||||
AC_DEFINE_UNQUOTED([DEFAULT_MAX_MEM], [${DEFAULTMAXMEM}], [Maximum data space library will allocate.])
|
||||
AC_MSG_CHECKING([for 'tmpfile()'])
|
||||
AC_TRY_LINK([#include <stdio.h>], [ FILE * tfile = tmpfile(); ],
|
||||
[AC_MSG_RESULT(yes)
|
||||
MEMORYMGR='jmemansi'],
|
||||
[AC_MSG_RESULT(no)
|
||||
dnl if tmpfile is not present, must use jmemname.
|
||||
MEMORYMGR='jmemname'
|
||||
|
||||
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="$RPM_CONFIG_ARGS --with-java"
|
||||
JAVA_RPM_CONTENTS_1='%dir %{_datadir}/classes'
|
||||
JAVA_RPM_CONTENTS_2=%{_datadir}/classes/turbojpeg.jar
|
||||
WITH_JAVA=1
|
||||
else
|
||||
AC_MSG_RESULT(no)
|
||||
# Test for the need to remove temporary files using a signal handler (for cjpeg/djpeg)
|
||||
AC_DEFINE([NEED_SIGNAL_CATCHER],[1],[Need signal handler to clean up temporary files.])
|
||||
AC_MSG_CHECKING([for 'mktemp()'])
|
||||
AC_TRY_LINK(, [ char fname[80]; mktemp(fname); ], AC_MSG_RESULT(yes),
|
||||
[AC_MSG_RESULT(no)
|
||||
AC_DEFINE([NO_MKTEMP],[1],[The mktemp() function is not available.])])])
|
||||
fi
|
||||
AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"])
|
||||
AC_SUBST(WITH_JAVA)
|
||||
AC_SUBST(JAVA_RPM_CONTENTS_1)
|
||||
AC_SUBST(JAVA_RPM_CONTENTS_2)
|
||||
AC_SUBST(MEMORYMGR)
|
||||
|
||||
# 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
|
||||
# Extract the library version IDs from jpeglib.h.
|
||||
AC_MSG_CHECKING([libjpeg version number])
|
||||
[JPEG_LIB_VERSION_MAJOR=`sed -e '/^#define JPEG_LIB_VERSION_MAJOR/!d' -e 's/^[^0-9]*\([0-9][0-9]*\).*$/\1/' $srcdir/jpeglib.h`]
|
||||
[JPEG_LIB_VERSION_MINOR=`sed -e '/^#define JPEG_LIB_VERSION_MINOR/!d' -e 's/^[^0-9]*\([0-9][0-9]*\).*$/\1/' $srcdir/jpeglib.h`]
|
||||
[JPEG_LIB_VERSION="`expr $JPEG_LIB_VERSION_MAJOR + $JPEG_LIB_VERSION_MINOR`:0:$JPEG_LIB_VERSION_MINOR"]
|
||||
AC_MSG_RESULT([$JPEG_LIB_VERSION])
|
||||
AC_SUBST([JPEG_LIB_VERSION])
|
||||
|
||||
# SIMD is optional
|
||||
AC_ARG_WITH([simd],
|
||||
AC_HELP_STRING([--without-simd], [Do not include SIMD extensions]))
|
||||
if test "x${with_simd}" != "xno"; then
|
||||
require_simd=no
|
||||
if test "x${with_simd}" = "xyes"; then
|
||||
require_simd=yes
|
||||
fi
|
||||
# Check if we're on a supported CPU
|
||||
AC_MSG_CHECKING([if we have SIMD optimisations for cpu type])
|
||||
case "$host_cpu" in
|
||||
x86_64 | amd64)
|
||||
AC_MSG_RESULT([yes (x86_64)])
|
||||
AC_PROG_NASM
|
||||
simd_arch=x86_64
|
||||
;;
|
||||
i*86 | x86 | ia32)
|
||||
AC_MSG_RESULT([yes (i386)])
|
||||
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])
|
||||
if test "x${with_simd}" = "xno"; then
|
||||
if test "x${require_simd}" = "xyes"; then
|
||||
AC_MSG_ERROR([SIMD support can't be enabled.])
|
||||
else
|
||||
AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])
|
||||
fi
|
||||
fi
|
||||
;;
|
||||
*)
|
||||
AC_MSG_RESULT([no ("$host_cpu")])
|
||||
with_simd=no;
|
||||
if test "x${require_simd}" = "xyes"; then
|
||||
AC_MSG_ERROR([SIMD support not available for this CPU.])
|
||||
else
|
||||
AC_MSG_WARN([SIMD support not available for this CPU. Performance will suffer.])
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
|
||||
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$with_turbojpeg" != "xno"])
|
||||
|
||||
AC_ARG_VAR(PKGNAME, [distribution package name (default: libjpeg-turbo)])
|
||||
if test "x$PKGNAME" = "x"; then
|
||||
PKGNAME=$PACKAGE_NAME
|
||||
fi
|
||||
AC_SUBST(PKGNAME)
|
||||
|
||||
case "$host_cpu" in
|
||||
x86_64)
|
||||
RPMARCH=x86_64
|
||||
DEBARCH=amd64
|
||||
;;
|
||||
i*86 | x86 | ia32)
|
||||
RPMARCH=i386
|
||||
DEBARCH=i386
|
||||
;;
|
||||
esac
|
||||
|
||||
AC_SUBST(RPMARCH)
|
||||
AC_SUBST(RPM_CONFIG_ARGS)
|
||||
AC_SUBST(DEBARCH)
|
||||
AC_SUBST(BUILD)
|
||||
AC_DEFINE_UNQUOTED([BUILD], "$BUILD", [Build number])
|
||||
|
||||
# jconfig.h is the file we use, but we have another before that to
|
||||
# fool autoheader. the reason is that we include this header in our
|
||||
# API headers, which can screw things up for users of the lib.
|
||||
# jconfig.h is a minimal version that allows this package to be built
|
||||
AC_CONFIG_HEADERS([config.h])
|
||||
AC_CONFIG_HEADERS([jconfig.h])
|
||||
AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec.tmpl:release/libjpeg-turbo.spec.in])
|
||||
AC_CONFIG_FILES([pkgscripts/makecygwinpkg.tmpl:release/makecygwinpkg.in])
|
||||
AC_CONFIG_FILES([pkgscripts/makedpkg.tmpl:release/makedpkg.in])
|
||||
AC_CONFIG_FILES([pkgscripts/makemacpkg.tmpl:release/makemacpkg.in])
|
||||
AC_CONFIG_FILES([pkgscripts/Description.plist:release/Description.plist.in])
|
||||
AC_CONFIG_FILES([pkgscripts/Info.plist:release/Info.plist.in])
|
||||
AC_CONFIG_FILES([pkgscripts/uninstall.tmpl:release/uninstall.in])
|
||||
if test "x$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
|
||||
AC_CONFIG_FILES([libjpeg.map])
|
||||
AC_CONFIG_FILES([Makefile simd/Makefile])
|
||||
AC_CONFIG_FILES([java/Makefile])
|
||||
AC_CONFIG_FILES([md5/Makefile])
|
||||
AC_CONFIG_FILES([Makefile])
|
||||
AC_OUTPUT
|
||||
|
||||
630
depcomp
Executable file
630
depcomp
Executable file
@@ -0,0 +1,630 @@
|
||||
#! /bin/sh
|
||||
# depcomp - compile a program generating dependencies as side-effects
|
||||
|
||||
scriptversion=2009-04-28.21; # UTC
|
||||
|
||||
# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free
|
||||
# Software Foundation, Inc.
|
||||
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 2, or (at your option)
|
||||
# any later version.
|
||||
|
||||
# This program 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
|
||||
# GNU General Public License for more details.
|
||||
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
# As a special exception to the GNU General Public License, if you
|
||||
# distribute this file as part of a program that contains a
|
||||
# configuration script generated by Autoconf, you may include it under
|
||||
# the same distribution terms that you use for the rest of that program.
|
||||
|
||||
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
|
||||
|
||||
case $1 in
|
||||
'')
|
||||
echo "$0: No command. Try \`$0 --help' for more information." 1>&2
|
||||
exit 1;
|
||||
;;
|
||||
-h | --h*)
|
||||
cat <<\EOF
|
||||
Usage: depcomp [--help] [--version] PROGRAM [ARGS]
|
||||
|
||||
Run PROGRAMS ARGS to compile a file, generating dependencies
|
||||
as side-effects.
|
||||
|
||||
Environment variables:
|
||||
depmode Dependency tracking mode.
|
||||
source Source file read by `PROGRAMS ARGS'.
|
||||
object Object file output by `PROGRAMS ARGS'.
|
||||
DEPDIR directory where to store dependencies.
|
||||
depfile Dependency file to output.
|
||||
tmpdepfile Temporary file to use when outputing dependencies.
|
||||
libtool Whether libtool is used (yes/no).
|
||||
|
||||
Report bugs to <bug-automake@gnu.org>.
|
||||
EOF
|
||||
exit $?
|
||||
;;
|
||||
-v | --v*)
|
||||
echo "depcomp $scriptversion"
|
||||
exit $?
|
||||
;;
|
||||
esac
|
||||
|
||||
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
|
||||
echo "depcomp: Variables source, object and depmode must be set" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
|
||||
depfile=${depfile-`echo "$object" |
|
||||
sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
|
||||
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
|
||||
|
||||
rm -f "$tmpdepfile"
|
||||
|
||||
# Some modes work just like other modes, but use different flags. We
|
||||
# parameterize here, but still list the modes in the big case below,
|
||||
# to make depend.m4 easier to write. Note that we *cannot* use a case
|
||||
# here, because this file can only contain one case statement.
|
||||
if test "$depmode" = hp; then
|
||||
# HP compiler uses -M and no extra arg.
|
||||
gccflag=-M
|
||||
depmode=gcc
|
||||
fi
|
||||
|
||||
if test "$depmode" = dashXmstdout; then
|
||||
# This is just like dashmstdout with a different argument.
|
||||
dashmflag=-xM
|
||||
depmode=dashmstdout
|
||||
fi
|
||||
|
||||
cygpath_u="cygpath -u -f -"
|
||||
if test "$depmode" = msvcmsys; then
|
||||
# This is just like msvisualcpp but w/o cygpath translation.
|
||||
# Just convert the backslash-escaped backslashes to single forward
|
||||
# slashes to satisfy depend.m4
|
||||
cygpath_u="sed s,\\\\\\\\,/,g"
|
||||
depmode=msvisualcpp
|
||||
fi
|
||||
|
||||
case "$depmode" in
|
||||
gcc3)
|
||||
## gcc 3 implements dependency tracking that does exactly what
|
||||
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
|
||||
## it if -MD -MP comes after the -MF stuff. Hmm.
|
||||
## Unfortunately, FreeBSD c89 acceptance of flags depends upon
|
||||
## the command line argument order; so add the flags where they
|
||||
## appear in depend2.am. Note that the slowdown incurred here
|
||||
## affects only configure: in makefiles, %FASTDEP% shortcuts this.
|
||||
for arg
|
||||
do
|
||||
case $arg in
|
||||
-c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
|
||||
*) set fnord "$@" "$arg" ;;
|
||||
esac
|
||||
shift # fnord
|
||||
shift # $arg
|
||||
done
|
||||
"$@"
|
||||
stat=$?
|
||||
if test $stat -eq 0; then :
|
||||
else
|
||||
rm -f "$tmpdepfile"
|
||||
exit $stat
|
||||
fi
|
||||
mv "$tmpdepfile" "$depfile"
|
||||
;;
|
||||
|
||||
gcc)
|
||||
## There are various ways to get dependency output from gcc. Here's
|
||||
## why we pick this rather obscure method:
|
||||
## - Don't want to use -MD because we'd like the dependencies to end
|
||||
## up in a subdir. Having to rename by hand is ugly.
|
||||
## (We might end up doing this anyway to support other compilers.)
|
||||
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
|
||||
## -MM, not -M (despite what the docs say).
|
||||
## - Using -M directly means running the compiler twice (even worse
|
||||
## than renaming).
|
||||
if test -z "$gccflag"; then
|
||||
gccflag=-MD,
|
||||
fi
|
||||
"$@" -Wp,"$gccflag$tmpdepfile"
|
||||
stat=$?
|
||||
if test $stat -eq 0; then :
|
||||
else
|
||||
rm -f "$tmpdepfile"
|
||||
exit $stat
|
||||
fi
|
||||
rm -f "$depfile"
|
||||
echo "$object : \\" > "$depfile"
|
||||
alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
|
||||
## The second -e expression handles DOS-style file names with drive letters.
|
||||
sed -e 's/^[^:]*: / /' \
|
||||
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
|
||||
## This next piece of magic avoids the `deleted header file' problem.
|
||||
## The problem is that when a header file which appears in a .P file
|
||||
## is deleted, the dependency causes make to die (because there is
|
||||
## typically no way to rebuild the header). We avoid this by adding
|
||||
## dummy dependencies for each header file. Too bad gcc doesn't do
|
||||
## this for us directly.
|
||||
tr ' ' '
|
||||
' < "$tmpdepfile" |
|
||||
## Some versions of gcc put a space before the `:'. On the theory
|
||||
## that the space means something, we add a space to the output as
|
||||
## well.
|
||||
## Some versions of the HPUX 10.20 sed can't process this invocation
|
||||
## correctly. Breaking it into two sed invocations is a workaround.
|
||||
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
hp)
|
||||
# This case exists only to let depend.m4 do its work. It works by
|
||||
# looking at the text of this script. This case will never be run,
|
||||
# since it is checked for above.
|
||||
exit 1
|
||||
;;
|
||||
|
||||
sgi)
|
||||
if test "$libtool" = yes; then
|
||||
"$@" "-Wp,-MDupdate,$tmpdepfile"
|
||||
else
|
||||
"$@" -MDupdate "$tmpdepfile"
|
||||
fi
|
||||
stat=$?
|
||||
if test $stat -eq 0; then :
|
||||
else
|
||||
rm -f "$tmpdepfile"
|
||||
exit $stat
|
||||
fi
|
||||
rm -f "$depfile"
|
||||
|
||||
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
|
||||
echo "$object : \\" > "$depfile"
|
||||
|
||||
# Clip off the initial element (the dependent). Don't try to be
|
||||
# clever and replace this with sed code, as IRIX sed won't handle
|
||||
# lines with more than a fixed number of characters (4096 in
|
||||
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
|
||||
# the IRIX cc adds comments like `#:fec' to the end of the
|
||||
# dependency line.
|
||||
tr ' ' '
|
||||
' < "$tmpdepfile" \
|
||||
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
|
||||
tr '
|
||||
' ' ' >> "$depfile"
|
||||
echo >> "$depfile"
|
||||
|
||||
# The second pass generates a dummy entry for each header file.
|
||||
tr ' ' '
|
||||
' < "$tmpdepfile" \
|
||||
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
|
||||
>> "$depfile"
|
||||
else
|
||||
# The sourcefile does not contain any dependencies, so just
|
||||
# store a dummy comment line, to avoid errors with the Makefile
|
||||
# "include basename.Plo" scheme.
|
||||
echo "#dummy" > "$depfile"
|
||||
fi
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
aix)
|
||||
# The C for AIX Compiler uses -M and outputs the dependencies
|
||||
# in a .u file. In older versions, this file always lives in the
|
||||
# current directory. Also, the AIX compiler puts `$object:' at the
|
||||
# start of each line; $object doesn't have directory information.
|
||||
# Version 6 uses the directory in both cases.
|
||||
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
|
||||
test "x$dir" = "x$object" && dir=
|
||||
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
|
||||
if test "$libtool" = yes; then
|
||||
tmpdepfile1=$dir$base.u
|
||||
tmpdepfile2=$base.u
|
||||
tmpdepfile3=$dir.libs/$base.u
|
||||
"$@" -Wc,-M
|
||||
else
|
||||
tmpdepfile1=$dir$base.u
|
||||
tmpdepfile2=$dir$base.u
|
||||
tmpdepfile3=$dir$base.u
|
||||
"$@" -M
|
||||
fi
|
||||
stat=$?
|
||||
|
||||
if test $stat -eq 0; then :
|
||||
else
|
||||
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
|
||||
exit $stat
|
||||
fi
|
||||
|
||||
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
|
||||
do
|
||||
test -f "$tmpdepfile" && break
|
||||
done
|
||||
if test -f "$tmpdepfile"; then
|
||||
# Each line is of the form `foo.o: dependent.h'.
|
||||
# Do two passes, one to just change these to
|
||||
# `$object: dependent.h' and one to simply `dependent.h:'.
|
||||
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
|
||||
# That's a tab and a space in the [].
|
||||
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
|
||||
else
|
||||
# The sourcefile does not contain any dependencies, so just
|
||||
# store a dummy comment line, to avoid errors with the Makefile
|
||||
# "include basename.Plo" scheme.
|
||||
echo "#dummy" > "$depfile"
|
||||
fi
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
icc)
|
||||
# Intel's C compiler understands `-MD -MF file'. However on
|
||||
# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
|
||||
# ICC 7.0 will fill foo.d with something like
|
||||
# foo.o: sub/foo.c
|
||||
# foo.o: sub/foo.h
|
||||
# which is wrong. We want:
|
||||
# sub/foo.o: sub/foo.c
|
||||
# sub/foo.o: sub/foo.h
|
||||
# sub/foo.c:
|
||||
# sub/foo.h:
|
||||
# ICC 7.1 will output
|
||||
# foo.o: sub/foo.c sub/foo.h
|
||||
# and will wrap long lines using \ :
|
||||
# foo.o: sub/foo.c ... \
|
||||
# sub/foo.h ... \
|
||||
# ...
|
||||
|
||||
"$@" -MD -MF "$tmpdepfile"
|
||||
stat=$?
|
||||
if test $stat -eq 0; then :
|
||||
else
|
||||
rm -f "$tmpdepfile"
|
||||
exit $stat
|
||||
fi
|
||||
rm -f "$depfile"
|
||||
# Each line is of the form `foo.o: dependent.h',
|
||||
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
|
||||
# Do two passes, one to just change these to
|
||||
# `$object: dependent.h' and one to simply `dependent.h:'.
|
||||
sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
|
||||
# Some versions of the HPUX 10.20 sed can't process this invocation
|
||||
# correctly. Breaking it into two sed invocations is a workaround.
|
||||
sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
|
||||
sed -e 's/$/ :/' >> "$depfile"
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
hp2)
|
||||
# The "hp" stanza above does not work with aCC (C++) and HP's ia64
|
||||
# compilers, which have integrated preprocessors. The correct option
|
||||
# to use with these is +Maked; it writes dependencies to a file named
|
||||
# 'foo.d', which lands next to the object file, wherever that
|
||||
# happens to be.
|
||||
# Much of this is similar to the tru64 case; see comments there.
|
||||
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
|
||||
test "x$dir" = "x$object" && dir=
|
||||
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
|
||||
if test "$libtool" = yes; then
|
||||
tmpdepfile1=$dir$base.d
|
||||
tmpdepfile2=$dir.libs/$base.d
|
||||
"$@" -Wc,+Maked
|
||||
else
|
||||
tmpdepfile1=$dir$base.d
|
||||
tmpdepfile2=$dir$base.d
|
||||
"$@" +Maked
|
||||
fi
|
||||
stat=$?
|
||||
if test $stat -eq 0; then :
|
||||
else
|
||||
rm -f "$tmpdepfile1" "$tmpdepfile2"
|
||||
exit $stat
|
||||
fi
|
||||
|
||||
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
|
||||
do
|
||||
test -f "$tmpdepfile" && break
|
||||
done
|
||||
if test -f "$tmpdepfile"; then
|
||||
sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
|
||||
# Add `dependent.h:' lines.
|
||||
sed -ne '2,${
|
||||
s/^ *//
|
||||
s/ \\*$//
|
||||
s/$/:/
|
||||
p
|
||||
}' "$tmpdepfile" >> "$depfile"
|
||||
else
|
||||
echo "#dummy" > "$depfile"
|
||||
fi
|
||||
rm -f "$tmpdepfile" "$tmpdepfile2"
|
||||
;;
|
||||
|
||||
tru64)
|
||||
# The Tru64 compiler uses -MD to generate dependencies as a side
|
||||
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
|
||||
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
|
||||
# dependencies in `foo.d' instead, so we check for that too.
|
||||
# Subdirectories are respected.
|
||||
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
|
||||
test "x$dir" = "x$object" && dir=
|
||||
base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
|
||||
|
||||
if test "$libtool" = yes; then
|
||||
# With Tru64 cc, shared objects can also be used to make a
|
||||
# static library. This mechanism is used in libtool 1.4 series to
|
||||
# handle both shared and static libraries in a single compilation.
|
||||
# With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
|
||||
#
|
||||
# With libtool 1.5 this exception was removed, and libtool now
|
||||
# generates 2 separate objects for the 2 libraries. These two
|
||||
# compilations output dependencies in $dir.libs/$base.o.d and
|
||||
# in $dir$base.o.d. We have to check for both files, because
|
||||
# one of the two compilations can be disabled. We should prefer
|
||||
# $dir$base.o.d over $dir.libs/$base.o.d because the latter is
|
||||
# automatically cleaned when .libs/ is deleted, while ignoring
|
||||
# the former would cause a distcleancheck panic.
|
||||
tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4
|
||||
tmpdepfile2=$dir$base.o.d # libtool 1.5
|
||||
tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5
|
||||
tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504
|
||||
"$@" -Wc,-MD
|
||||
else
|
||||
tmpdepfile1=$dir$base.o.d
|
||||
tmpdepfile2=$dir$base.d
|
||||
tmpdepfile3=$dir$base.d
|
||||
tmpdepfile4=$dir$base.d
|
||||
"$@" -MD
|
||||
fi
|
||||
|
||||
stat=$?
|
||||
if test $stat -eq 0; then :
|
||||
else
|
||||
rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
|
||||
exit $stat
|
||||
fi
|
||||
|
||||
for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
|
||||
do
|
||||
test -f "$tmpdepfile" && break
|
||||
done
|
||||
if test -f "$tmpdepfile"; then
|
||||
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
|
||||
# That's a tab and a space in the [].
|
||||
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
|
||||
else
|
||||
echo "#dummy" > "$depfile"
|
||||
fi
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
#nosideeffect)
|
||||
# This comment above is used by automake to tell side-effect
|
||||
# dependency tracking mechanisms from slower ones.
|
||||
|
||||
dashmstdout)
|
||||
# Important note: in order to support this mode, a compiler *must*
|
||||
# always write the preprocessed file to stdout, regardless of -o.
|
||||
"$@" || exit $?
|
||||
|
||||
# Remove the call to Libtool.
|
||||
if test "$libtool" = yes; then
|
||||
while test "X$1" != 'X--mode=compile'; do
|
||||
shift
|
||||
done
|
||||
shift
|
||||
fi
|
||||
|
||||
# Remove `-o $object'.
|
||||
IFS=" "
|
||||
for arg
|
||||
do
|
||||
case $arg in
|
||||
-o)
|
||||
shift
|
||||
;;
|
||||
$object)
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
set fnord "$@" "$arg"
|
||||
shift # fnord
|
||||
shift # $arg
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
test -z "$dashmflag" && dashmflag=-M
|
||||
# Require at least two characters before searching for `:'
|
||||
# in the target name. This is to cope with DOS-style filenames:
|
||||
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
|
||||
"$@" $dashmflag |
|
||||
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
|
||||
rm -f "$depfile"
|
||||
cat < "$tmpdepfile" > "$depfile"
|
||||
tr ' ' '
|
||||
' < "$tmpdepfile" | \
|
||||
## Some versions of the HPUX 10.20 sed can't process this invocation
|
||||
## correctly. Breaking it into two sed invocations is a workaround.
|
||||
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
dashXmstdout)
|
||||
# This case only exists to satisfy depend.m4. It is never actually
|
||||
# run, as this mode is specially recognized in the preamble.
|
||||
exit 1
|
||||
;;
|
||||
|
||||
makedepend)
|
||||
"$@" || exit $?
|
||||
# Remove any Libtool call
|
||||
if test "$libtool" = yes; then
|
||||
while test "X$1" != 'X--mode=compile'; do
|
||||
shift
|
||||
done
|
||||
shift
|
||||
fi
|
||||
# X makedepend
|
||||
shift
|
||||
cleared=no eat=no
|
||||
for arg
|
||||
do
|
||||
case $cleared in
|
||||
no)
|
||||
set ""; shift
|
||||
cleared=yes ;;
|
||||
esac
|
||||
if test $eat = yes; then
|
||||
eat=no
|
||||
continue
|
||||
fi
|
||||
case "$arg" in
|
||||
-D*|-I*)
|
||||
set fnord "$@" "$arg"; shift ;;
|
||||
# Strip any option that makedepend may not understand. Remove
|
||||
# the object too, otherwise makedepend will parse it as a source file.
|
||||
-arch)
|
||||
eat=yes ;;
|
||||
-*|$object)
|
||||
;;
|
||||
*)
|
||||
set fnord "$@" "$arg"; shift ;;
|
||||
esac
|
||||
done
|
||||
obj_suffix=`echo "$object" | sed 's/^.*\././'`
|
||||
touch "$tmpdepfile"
|
||||
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
|
||||
rm -f "$depfile"
|
||||
cat < "$tmpdepfile" > "$depfile"
|
||||
sed '1,2d' "$tmpdepfile" | tr ' ' '
|
||||
' | \
|
||||
## Some versions of the HPUX 10.20 sed can't process this invocation
|
||||
## correctly. Breaking it into two sed invocations is a workaround.
|
||||
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
|
||||
rm -f "$tmpdepfile" "$tmpdepfile".bak
|
||||
;;
|
||||
|
||||
cpp)
|
||||
# Important note: in order to support this mode, a compiler *must*
|
||||
# always write the preprocessed file to stdout.
|
||||
"$@" || exit $?
|
||||
|
||||
# Remove the call to Libtool.
|
||||
if test "$libtool" = yes; then
|
||||
while test "X$1" != 'X--mode=compile'; do
|
||||
shift
|
||||
done
|
||||
shift
|
||||
fi
|
||||
|
||||
# Remove `-o $object'.
|
||||
IFS=" "
|
||||
for arg
|
||||
do
|
||||
case $arg in
|
||||
-o)
|
||||
shift
|
||||
;;
|
||||
$object)
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
set fnord "$@" "$arg"
|
||||
shift # fnord
|
||||
shift # $arg
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
"$@" -E |
|
||||
sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
|
||||
-e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
|
||||
sed '$ s: \\$::' > "$tmpdepfile"
|
||||
rm -f "$depfile"
|
||||
echo "$object : \\" > "$depfile"
|
||||
cat < "$tmpdepfile" >> "$depfile"
|
||||
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
msvisualcpp)
|
||||
# Important note: in order to support this mode, a compiler *must*
|
||||
# always write the preprocessed file to stdout.
|
||||
"$@" || exit $?
|
||||
|
||||
# Remove the call to Libtool.
|
||||
if test "$libtool" = yes; then
|
||||
while test "X$1" != 'X--mode=compile'; do
|
||||
shift
|
||||
done
|
||||
shift
|
||||
fi
|
||||
|
||||
IFS=" "
|
||||
for arg
|
||||
do
|
||||
case "$arg" in
|
||||
-o)
|
||||
shift
|
||||
;;
|
||||
$object)
|
||||
shift
|
||||
;;
|
||||
"-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
|
||||
set fnord "$@"
|
||||
shift
|
||||
shift
|
||||
;;
|
||||
*)
|
||||
set fnord "$@" "$arg"
|
||||
shift
|
||||
shift
|
||||
;;
|
||||
esac
|
||||
done
|
||||
"$@" -E 2>/dev/null |
|
||||
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
|
||||
rm -f "$depfile"
|
||||
echo "$object : \\" > "$depfile"
|
||||
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
|
||||
echo " " >> "$depfile"
|
||||
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
|
||||
rm -f "$tmpdepfile"
|
||||
;;
|
||||
|
||||
msvcmsys)
|
||||
# This case exists only to let depend.m4 do its work. It works by
|
||||
# looking at the text of this script. This case will never be run,
|
||||
# since it is checked for above.
|
||||
exit 1
|
||||
;;
|
||||
|
||||
none)
|
||||
exec "$@"
|
||||
;;
|
||||
|
||||
*)
|
||||
echo "Unknown depmode $depmode" 1>&2
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
|
||||
exit 0
|
||||
|
||||
# Local Variables:
|
||||
# mode: shell-script
|
||||
# sh-indentation: 2
|
||||
# eval: (add-hook 'write-file-hooks 'time-stamp)
|
||||
# time-stamp-start: "scriptversion="
|
||||
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
||||
# time-stamp-time-zone: "UTC"
|
||||
# time-stamp-end: "; # UTC"
|
||||
# End:
|
||||
22
djpeg.1
22
djpeg.1
@@ -1,4 +1,4 @@
|
||||
.TH DJPEG 1 "18 January 2013"
|
||||
.TH DJPEG 1 "3 October 2009"
|
||||
.SH NAME
|
||||
djpeg \- decompress a JPEG file to an image file
|
||||
.SH SYNOPSIS
|
||||
@@ -61,10 +61,12 @@ monochrome displays; also,
|
||||
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
|
||||
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,
|
||||
Scale the output image by a factor M/N. Currently supported scale factors are
|
||||
M/N with all M from 1 to 16, where N is the source DCT size, which is 8 for
|
||||
baseline JPEG. If the /N part is omitted, then M specifies the DCT scaled
|
||||
size to be applied on the given input. For baseline JPEG this is equivalent
|
||||
to M/8 scaling, since the source DCT size for baseline JPEG is 8.
|
||||
Scaling is handy if the image is larger than your screen; also,
|
||||
.B djpeg
|
||||
runs much faster when scaling down the output.
|
||||
.TP
|
||||
@@ -151,7 +153,7 @@ and
|
||||
.BR \-onepass .
|
||||
.TP
|
||||
.B \-nosmooth
|
||||
Use a faster, lower-quality upsampling routine.
|
||||
Don't use high-quality upsampling.
|
||||
.TP
|
||||
.B \-onepass
|
||||
Use one-pass instead of two-pass color quantization. The one-pass method is
|
||||
@@ -173,10 +175,6 @@ 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
|
||||
@@ -247,10 +245,6 @@ 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
|
||||
.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
|
||||
|
||||
69
djpeg.c
69
djpeg.c
@@ -1,10 +1,9 @@
|
||||
/*
|
||||
* djpeg.c
|
||||
*
|
||||
* This file was part of the Independent JPEG Group's software:
|
||||
* Copyright (C) 1991-1997, Thomas G. Lane.
|
||||
* libjpeg-turbo Modifications:
|
||||
* Copyright (C) 2010-2011, 2013, D. R. Commander.
|
||||
* 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.
|
||||
*
|
||||
* This file contains a command-line user interface for the JPEG decompressor.
|
||||
@@ -27,7 +26,6 @@
|
||||
|
||||
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
|
||||
#include "jversion.h" /* for version message */
|
||||
#include "config.h"
|
||||
|
||||
#include <ctype.h> /* to declare isprint() */
|
||||
|
||||
@@ -87,8 +85,6 @@ 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)
|
||||
@@ -106,7 +102,6 @@ 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
|
||||
@@ -159,10 +154,6 @@ 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);
|
||||
}
|
||||
@@ -186,7 +177,6 @@ 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 */
|
||||
@@ -251,11 +241,8 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
|
||||
static boolean printed_version = FALSE;
|
||||
|
||||
if (! printed_version) {
|
||||
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 software, version %s\n\n",
|
||||
JVERSION);
|
||||
fprintf(stderr, "Independent JPEG Group's DJPEG, version %s\n%s\n",
|
||||
JVERSION, JCOPYRIGHT);
|
||||
printed_version = TRUE;
|
||||
}
|
||||
cinfo->err->trace_level++;
|
||||
@@ -277,10 +264,6 @@ 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 */
|
||||
@@ -332,16 +315,6 @@ 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;
|
||||
@@ -355,7 +328,7 @@ parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
|
||||
if (++argn >= argc) /* advance to next argument */
|
||||
usage();
|
||||
if (sscanf(argv[argn], "%d/%d",
|
||||
&cinfo->scale_num, &cinfo->scale_denom) != 2)
|
||||
&cinfo->scale_num, &cinfo->scale_denom) < 1)
|
||||
usage();
|
||||
|
||||
} else if (keymatch(arg, "targa", 1)) {
|
||||
@@ -460,8 +433,6 @@ 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. */
|
||||
@@ -485,7 +456,7 @@ 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.txt).
|
||||
* but don't try to override APP0 or APP14 this way (see libjpeg.doc).
|
||||
*/
|
||||
jpeg_set_marker_processor(&cinfo, JPEG_COM, print_text_marker);
|
||||
jpeg_set_marker_processor(&cinfo, JPEG_APP0+12, print_text_marker);
|
||||
@@ -556,30 +527,7 @@ main (int argc, char **argv)
|
||||
#endif
|
||||
|
||||
/* Specify data source for decompression */
|
||||
#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 < INPUT_BUF_SIZE && ferror(input_file)) {
|
||||
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);
|
||||
jpeg_stdio_src(&cinfo, input_file);
|
||||
|
||||
/* Read file header, set default decompression parameters */
|
||||
(void) jpeg_read_header(&cinfo, TRUE);
|
||||
@@ -663,9 +611,6 @@ 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 */
|
||||
|
||||
@@ -1,103 +0,0 @@
|
||||
<!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"/>
|
||||
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
||||
<meta name="generator" content="Doxygen 1.8.3.1"/>
|
||||
<title>TurboJPEG: Data Structures</title>
|
||||
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
||||
<script type="text/javascript" src="jquery.js"></script>
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<script type="text/javascript">
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$(document).ready(function() { searchBox.OnSelectItem(0); });
|
||||
</script>
|
||||
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
||||
</head>
|
||||
<body>
|
||||
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
||||
<div id="titlearea">
|
||||
<table cellspacing="0" cellpadding="0">
|
||||
<tbody>
|
||||
<tr style="height: 56px;">
|
||||
<td style="padding-left: 0.5em;">
|
||||
<div id="projectname">TurboJPEG
|
||||
 <span id="projectnumber">1.2.1</span>
|
||||
</div>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
<!-- end header part -->
|
||||
<!-- Generated by Doxygen 1.8.3.1 -->
|
||||
<script type="text/javascript">
|
||||
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||||
</script>
|
||||
<div id="navrow1" class="tabs">
|
||||
<ul class="tablist">
|
||||
<li><a href="index.html"><span>Main Page</span></a></li>
|
||||
<li><a href="modules.html"><span>Modules</span></a></li>
|
||||
<li class="current"><a href="annotated.html"><span>Data Structures</span></a></li>
|
||||
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|
||||
<div id="MSearchBox" class="MSearchBoxInactive">
|
||||
<span class="left">
|
||||
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||||
</ul>
|
||||
</div>
|
||||
<div id="navrow2" class="tabs2">
|
||||
<ul class="tablist">
|
||||
<li class="current"><a href="annotated.html"><span>Data Structures</span></a></li>
|
||||
<li><a href="classes.html"><span>Data Structure Index</span></a></li>
|
||||
<li><a href="functions.html"><span>Data Fields</span></a></li>
|
||||
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||||
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|
||||
</div><!-- top -->
|
||||
<!-- window showing the filter options -->
|
||||
<div id="MSearchSelectWindow"
|
||||
onmouseover="return searchBox.OnSearchSelectShow()"
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onmouseout="return searchBox.OnSearchSelectHide()"
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|
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|
||||
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|
||||
<div class="textblock">Here are the data structures with brief descriptions:</div><div class="directory">
|
||||
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|
||||
<tr id="row_0_" class="even"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structtjregion.html" target="_self">tjregion</a></td><td class="desc">Cropping region</td></tr>
|
||||
<tr id="row_1_"><td class="entry"><img src="ftv2node.png" alt="o" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structtjscalingfactor.html" target="_self">tjscalingfactor</a></td><td class="desc">Scaling factor</td></tr>
|
||||
<tr id="row_2_" class="even"><td class="entry"><img src="ftv2lastnode.png" alt="\" width="16" height="22" /><img src="ftv2cl.png" alt="C" width="24" height="22" /><a class="el" href="structtjtransform.html" target="_self">tjtransform</a></td><td class="desc">Lossless transform</td></tr>
|
||||
</table>
|
||||
</div><!-- directory -->
|
||||
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|
||||
<!-- start footer part -->
|
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<hr class="footer"/><address class="footer"><small>
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||||
Generated by  <a href="http://www.doxygen.org/index.html">
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||||
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||||
</a> 1.8.3.1
|
||||
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|
||||
</body>
|
||||
</html>
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 676 B |
Binary file not shown.
|
Before Width: | Height: | Size: 147 B |
@@ -1,105 +0,0 @@
|
||||
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta name="generator" content="Doxygen 1.8.3.1"/>
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<title>TurboJPEG: Data Structure Index</title>
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: <a class="el" href="structtjtransform.html#a43ee1bcdd2a8d7249a756774f78793c1">tjtransform</a>
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|
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|
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||||
<div class="SRStatus" id="Loading">Loading...</div>
|
||||
<div id="SRResults"></div>
|
||||
<script type="text/javascript"><!--
|
||||
createResults();
|
||||
--></script>
|
||||
<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>
|
||||
@@ -1,19 +0,0 @@
|
||||
var searchData=
|
||||
[
|
||||
['tjalloc',['tjAlloc',['../group___turbo_j_p_e_g.html#ga5c9234bda6d993cdaffdd89bf81a00ff',1,'turbojpeg.h']]],
|
||||
['tjbufsize',['tjBufSize',['../group___turbo_j_p_e_g.html#gaccc5bca7f12fcdcc302e6e1c6d4b311b',1,'turbojpeg.h']]],
|
||||
['tjbufsizeyuv',['tjBufSizeYUV',['../group___turbo_j_p_e_g.html#ga9d0cb06fd5052d21b6f2b382db8b219c',1,'turbojpeg.h']]],
|
||||
['tjcompress2',['tjCompress2',['../group___turbo_j_p_e_g.html#gaba62b7a98f960839b588579898495cf2',1,'turbojpeg.h']]],
|
||||
['tjdecompress2',['tjDecompress2',['../group___turbo_j_p_e_g.html#gada69cc6443d1bb493b40f1626259e5e9',1,'turbojpeg.h']]],
|
||||
['tjdecompressheader2',['tjDecompressHeader2',['../group___turbo_j_p_e_g.html#gac5675fceb7997b385516cdffdb34e6aa',1,'turbojpeg.h']]],
|
||||
['tjdecompresstoyuv',['tjDecompressToYUV',['../group___turbo_j_p_e_g.html#gad7810af095624a4016e72957a50f77d8',1,'turbojpeg.h']]],
|
||||
['tjdestroy',['tjDestroy',['../group___turbo_j_p_e_g.html#ga674adee917b95ad4a896f1ba39e12540',1,'turbojpeg.h']]],
|
||||
['tjencodeyuv2',['tjEncodeYUV2',['../group___turbo_j_p_e_g.html#ga0fa4e7b1943687c6a0c0304529c55d35',1,'turbojpeg.h']]],
|
||||
['tjfree',['tjFree',['../group___turbo_j_p_e_g.html#ga8c4a1231dc06a450514c835f6471f137',1,'turbojpeg.h']]],
|
||||
['tjgeterrorstr',['tjGetErrorStr',['../group___turbo_j_p_e_g.html#ga9af79c908ec131b1ae8d52fe40375abf',1,'turbojpeg.h']]],
|
||||
['tjgetscalingfactors',['tjGetScalingFactors',['../group___turbo_j_p_e_g.html#ga6449044b9af402999ccf52f401333be8',1,'turbojpeg.h']]],
|
||||
['tjinitcompress',['tjInitCompress',['../group___turbo_j_p_e_g.html#ga3d10c47fbe4a2489a2b30c931551d01a',1,'turbojpeg.h']]],
|
||||
['tjinitdecompress',['tjInitDecompress',['../group___turbo_j_p_e_g.html#gae5408179d041e2a2f7199c8283cf649e',1,'turbojpeg.h']]],
|
||||
['tjinittransform',['tjInitTransform',['../group___turbo_j_p_e_g.html#ga3155b775bfbac9dbba869b95a0367902',1,'turbojpeg.h']]],
|
||||
['tjtransform',['tjTransform',['../group___turbo_j_p_e_g.html#gae403193ceb4aafb7e0f56ab587b48616',1,'turbojpeg.h']]]
|
||||
];
|
||||
@@ -1,26 +0,0 @@
|
||||
<!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"/>
|
||||
<meta name="generator" content="Doxygen 1.8.3.1">
|
||||
<link rel="stylesheet" type="text/css" href="search.css"/>
|
||||
<script type="text/javascript" src="groups_74.js"></script>
|
||||
<script type="text/javascript" src="search.js"></script>
|
||||
</head>
|
||||
<body class="SRPage">
|
||||
<div id="SRIndex">
|
||||
<div class="SRStatus" id="Loading">Loading...</div>
|
||||
<div id="SRResults"></div>
|
||||
<script type="text/javascript"><!--
|
||||
createResults();
|
||||
--></script>
|
||||
<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>
|
||||
@@ -1,4 +0,0 @@
|
||||
var searchData=
|
||||
[
|
||||
['turbojpeg',['TurboJPEG',['../group___turbo_j_p_e_g.html',1,'']]]
|
||||
];
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 563 B |
@@ -1,12 +0,0 @@
|
||||
<!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>
|
||||
@@ -1,271 +0,0 @@
|
||||
/*---------------- Search Box */
|
||||
|
||||
#FSearchBox {
|
||||
float: left;
|
||||
}
|
||||
|
||||
#MSearchBox {
|
||||
white-space : nowrap;
|
||||
position: absolute;
|
||||
float: none;
|
||||
display: inline;
|
||||
margin-top: 8px;
|
||||
right: 0px;
|
||||
width: 170px;
|
||||
z-index: 102;
|
||||
background-color: white;
|
||||
}
|
||||
|
||||
#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;
|
||||
}
|
||||
|
||||
span.SRScope {
|
||||
padding-left: 4px;
|
||||
}
|
||||
|
||||
.SRPage .SRStatus {
|
||||
padding: 2px 5px;
|
||||
font-size: 8pt;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.SRResult {
|
||||
display: none;
|
||||
}
|
||||
|
||||
DIV.searchresults {
|
||||
margin-left: 10px;
|
||||
margin-right: 10px;
|
||||
}
|
||||
|
||||
/*---------------- External search page results */
|
||||
|
||||
.searchresult {
|
||||
background-color: #F0F3F8;
|
||||
}
|
||||
|
||||
.pages b {
|
||||
color: white;
|
||||
padding: 5px 5px 3px 5px;
|
||||
background-image: url("../tab_a.png");
|
||||
background-repeat: repeat-x;
|
||||
text-shadow: 0 1px 1px #000000;
|
||||
}
|
||||
|
||||
.pages {
|
||||
line-height: 17px;
|
||||
margin-left: 4px;
|
||||
text-decoration: none;
|
||||
}
|
||||
|
||||
.hl {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
#searchresults {
|
||||
margin-bottom: 20px;
|
||||
}
|
||||
|
||||
.searchpages {
|
||||
margin-top: 10px;
|
||||
}
|
||||
|
||||
@@ -1,809 +0,0 @@
|
||||
// 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: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
|
||||
3: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100010000011001010011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
|
||||
4: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
|
||||
5: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
|
||||
6: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
|
||||
7: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
|
||||
};
|
||||
|
||||
var indexSectionNames =
|
||||
{
|
||||
0: "all",
|
||||
1: "classes",
|
||||
2: "functions",
|
||||
3: "variables",
|
||||
4: "typedefs",
|
||||
5: "enums",
|
||||
6: "enumvalues",
|
||||
7: "groups"
|
||||
};
|
||||
|
||||
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='•';
|
||||
}
|
||||
else
|
||||
{
|
||||
node.innerHTML=' ';
|
||||
}
|
||||
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 = 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;
|
||||
}
|
||||
}
|
||||
|
||||
function setKeyActions(elem,action)
|
||||
{
|
||||
elem.setAttribute('onkeydown',action);
|
||||
elem.setAttribute('onkeypress',action);
|
||||
elem.setAttribute('onkeyup',action);
|
||||
}
|
||||
|
||||
function setClassAttr(elem,attr)
|
||||
{
|
||||
elem.setAttribute('class',attr);
|
||||
elem.setAttribute('className',attr);
|
||||
}
|
||||
|
||||
function createResults()
|
||||
{
|
||||
var results = document.getElementById("SRResults");
|
||||
for (var e=0; e<searchData.length; e++)
|
||||
{
|
||||
var id = searchData[e][0];
|
||||
var srResult = document.createElement('div');
|
||||
srResult.setAttribute('id','SR_'+id);
|
||||
setClassAttr(srResult,'SRResult');
|
||||
var srEntry = document.createElement('div');
|
||||
setClassAttr(srEntry,'SREntry');
|
||||
var srLink = document.createElement('a');
|
||||
srLink.setAttribute('id','Item'+e);
|
||||
setKeyActions(srLink,'return searchResults.Nav(event,'+e+')');
|
||||
setClassAttr(srLink,'SRSymbol');
|
||||
srLink.innerHTML = searchData[e][1][0];
|
||||
srEntry.appendChild(srLink);
|
||||
if (searchData[e][1].length==2) // single result
|
||||
{
|
||||
srLink.setAttribute('href',searchData[e][1][1][0]);
|
||||
if (searchData[e][1][1][1])
|
||||
{
|
||||
srLink.setAttribute('target','_parent');
|
||||
}
|
||||
var srScope = document.createElement('span');
|
||||
setClassAttr(srScope,'SRScope');
|
||||
srScope.innerHTML = searchData[e][1][1][2];
|
||||
srEntry.appendChild(srScope);
|
||||
}
|
||||
else // multiple results
|
||||
{
|
||||
srLink.setAttribute('href','javascript:searchResults.Toggle("SR_'+id+'")');
|
||||
var srChildren = document.createElement('div');
|
||||
setClassAttr(srChildren,'SRChildren');
|
||||
for (var c=0; c<searchData[e][1].length-1; c++)
|
||||
{
|
||||
var srChild = document.createElement('a');
|
||||
srChild.setAttribute('id','Item'+e+'_c'+c);
|
||||
setKeyActions(srChild,'return searchResults.NavChild(event,'+e+','+c+')');
|
||||
setClassAttr(srChild,'SRScope');
|
||||
srChild.setAttribute('href',searchData[e][1][c+1][0]);
|
||||
if (searchData[e][1][c+1][1])
|
||||
{
|
||||
srChild.setAttribute('target','_parent');
|
||||
}
|
||||
srChild.innerHTML = searchData[e][1][c+1][2];
|
||||
srChildren.appendChild(srChild);
|
||||
}
|
||||
srEntry.appendChild(srChildren);
|
||||
}
|
||||
srResult.appendChild(srEntry);
|
||||
results.appendChild(srResult);
|
||||
}
|
||||
}
|
||||
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 604 B |
Binary file not shown.
|
Before Width: | Height: | Size: 158 B |
Binary file not shown.
|
Before Width: | Height: | Size: 612 B |
@@ -1,26 +0,0 @@
|
||||
<!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"/>
|
||||
<meta name="generator" content="Doxygen 1.8.3.1">
|
||||
<link rel="stylesheet" type="text/css" href="search.css"/>
|
||||
<script type="text/javascript" src="typedefs_74.js"></script>
|
||||
<script type="text/javascript" src="search.js"></script>
|
||||
</head>
|
||||
<body class="SRPage">
|
||||
<div id="SRIndex">
|
||||
<div class="SRStatus" id="Loading">Loading...</div>
|
||||
<div id="SRResults"></div>
|
||||
<script type="text/javascript"><!--
|
||||
createResults();
|
||||
--></script>
|
||||
<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>
|
||||
@@ -1,5 +0,0 @@
|
||||
var searchData=
|
||||
[
|
||||
['tjhandle',['tjhandle',['../group___turbo_j_p_e_g.html#ga758d2634ecb4949de7815cba621f5763',1,'turbojpeg.h']]],
|
||||
['tjtransform',['tjtransform',['../group___turbo_j_p_e_g.html#gaa29f3189c41be12ec5dee7caec318a31',1,'turbojpeg.h']]]
|
||||
];
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user