git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1202 632fc199-4ca6-4c93-a231-07263d6284db

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1195 632fc199-4ca6-4c93-a231-07263d6284db

BUILDING.txt

@@ -1,85 +1,177 @@
 *******************************************************************************
-**     Building on Unix Platforms, Cygwin, and MinGW
+**     Building on Un*x Platforms (including Cygwin and OS X)
 *******************************************************************************
 
+
 ==================
 Build Requirements
 ==================
 
 -- autoconf 2.56 or later
-   * If using MinGW, this can be obtained by installing the MSYS DTK
-
 -- automake 1.7 or later
-   * If using MinGW, this can be obtained by installing the MSYS DTK
-
 -- libtool 1.4 or later
-   * If using MinGW, this can be obtained by installing the MSYS DTK
-
--- NASM
-   * 0.98 or later is required for a 32-bit build
-   * NASM 2.05 or later is required for a 64-bit build
-   * NASM 2.07 or later is required for a 64-bit build on OS/X (10.6 "Snow
-     Leopard" or later.)  This can be obtained from MacPorts
+   * 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/).
 
-   The NASM 2.05 RPMs do not work on older Linux systems, such as Enterprise
-   Linux 4.  On such systems, you can easily build and install NASM 2.05
-   from the source RPM by executing the following as root:
+-- 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`
-     wget http://www.nasm.us/pub/nasm/releasebuilds/2.05.01/nasm-2.05.01-1.src.rpm
-     rpmbuild --rebuild nasm-2.05.01-1.src.rpm
-     rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-2.05.01-1.$ARCH.rpm
+     rpmbuild --rebuild nasm-{version}.src.rpm
+     rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-{version}.$ARCH.rpm
 
-   NOTE: NASM build will fail if texinfo is not installed.
+   NOTE: the NASM build will fail if texinfo is not installed.
 
 -- GCC v4.1 or later recommended for best performance
+   * 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, 32-bit OS X, and
+The following procedure will build libjpeg-turbo on Linux, FreeBSD, Cygwin, and
 Solaris/x86 systems (on Solaris, this generates a 32-bit library.  See below
 for 64-bit build instructions.)
 
-  cd libjpeg-turbo
+  cd {source_directory}
   autoreconf -fiv
-  sh ./configure
+  cd {build_directory}
+  sh {source_directory}/configure [additional configure flags]
   make
 
-NOTE: Running autoreconf is only necessary if building libjpeg-turbo from the
-SVN repository.
+NOTE: Running autoreconf in the source directory is 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 libjpeg-turbo
+      Static link library for the libjpeg API
 
-  libjpeg.so.62.0.0 (Linux, Solaris)
-  libjpeg.62.dylib (OS X)
-  libjpeg-62.dll (MinGW)
-  cygjpeg-62.dll (Cygwin)
-      Shared library for libjpeg-turbo
+  libjpeg.so.{version} (Linux, Unix)
+  libjpeg.{version}.dylib (OS X)
+  cygjpeg-{version}.dll (Cygwin)
+      Shared library for the libjpeg API
 
-  libjpeg.so (Linux, Solaris)
+  By default, {version} is 62.1.0, 7.1.0, or 8.0.2, depending on whether
+  libjpeg v6b (default), v7, or v8 emulation is enabled.  If using Cygwin,
+  {version} is 62, 7, or 8.
+
+  libjpeg.so (Linux, Unix)
   libjpeg.dylib (OS X)
-  libjpeg.dll.a (Cygwin, MinGW)
-      Development stub for libjpeg-turbo shared library
+      Development symlink for the libjpeg API
+
+  libjpeg.dll.a (Cygwin)
+      Import library for the libjpeg API
 
   libturbojpeg.a
-      Static link library for TurboJPEG/OSS
+      Static link library for the TurboJPEG API
 
-  libturbojpeg.so (Linux, Solaris)
+  libturbojpeg.so.0.0.0 (Linux, Unix)
+  libturbojpeg.0.0.0.dylib (OS X)
+  cygturbojpeg-0.dll (Cygwin)
+      Shared library for the TurboJPEG API
+
+  libturbojpeg.so (Linux, Unix)
   libturbojpeg.dylib (OS X)
-      Shared library and development stub for TurboJPEG/OSS
+      Development symlink for the TurboJPEG API
 
-  libturbojpeg.dll (MinGW)
-  cygturbojpeg.dll (Cygwin)
-      Shared library for TurboJPEG/OSS
+  libturbojpeg.dll.a (Cygwin)
+      Import library for the TurboJPEG API
+
+
+libjpeg v7 or v8 API/ABI Emulation
+----------------------------------
+
+Add --with-jpeg7 to the configure command line to build a version of
+libjpeg-turbo that is API/ABI-compatible with libjpeg v7.  Add --with-jpeg8 to
+the configure command to build a version of libjpeg-turbo that is
+API/ABI-compatible with libjpeg v8.  See README-turbo.txt for more information
+on libjpeg v7 and v8 emulation.
+
+
+In-Memory Source/Destination Managers
+-------------------------------------
+
+When using libjpeg v6b or v7 API/ABI emulation, add --without-mem-srcdst to the
+configure command line to build a version of libjpeg-turbo that lacks the
+jpeg_mem_src() and jpeg_mem_dest() functions.  These functions were not part of
+the original libjpeg v6b and v7 APIs, so removing them ensures strict
+conformance with those APIs.  See README-turbo.txt for more information.
+
+
+Arithmetic Coding Support
+-------------------------
+
+Since the patent on arithmetic coding has expired, this functionality has been
+included in this release of libjpeg-turbo.  libjpeg-turbo's implementation is
+based on the implementation in libjpeg v8, but it works when emulating libjpeg
+v7 or v6b as well.  The default is to enable both arithmetic encoding and
+decoding, but those who have philosophical objections to arithmetic coding can
+add --without-arith-enc or --without-arith-dec to the configure command line to
+disable encoding or decoding (respectively.)
+
+
+TurboJPEG Java Wrapper
+----------------------
+Add --with-java to the configure command line to incorporate an optional Java
+Native Interface wrapper into the TurboJPEG shared library and build the Java
+front-end classes to support it.  This allows the TurboJPEG shared library to
+be used directly from Java applications.  See java/README for more details.
+
+You can set the JAVAC, JAR, and JAVA configure variables to specify
+alternate commands for javac, jar, and java (respectively.)  You can also
+set the JAVACFLAGS configure variable to specify arguments that should be
+passed to the Java compiler when building the front-end classes, and JNI_CFLAGS
+to specify arguments that should be passed to the C compiler when building the
+JNI wrapper.  Run 'configure --help' for more details.
 
-  libturbojpeg.dll.a (Cygwin, MinGW)
-      Development stub for TurboJPEG/OSS shared library
 
 ========================
 Installing libjpeg-turbo
@@ -97,58 +189,76 @@ For example,
 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/lib.
+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 sym links
+a non-system directory and manipulate the LD_LIBRARY_PATH or create symlinks
 to force applications to use libjpeg-turbo instead of libjpeg.  See
 README-turbo.txt for more information.
 
+
 =============
 Build Recipes
 =============
 
-32-bit Library Build on 64-bit Linux
-------------------------------------
+
+32-bit Build on 64-bit Linux
+----------------------------
 
 Add
 
-  --host i686-pc-linux-gnu CFLAGS='-O3 -m32' CXXFLAGS='-O3 -m32'
+  --host i686-pc-linux-gnu CFLAGS='-O3 -m32' LDFLAGS=-m32
 
 to the configure command line.
 
 
-64-bit Library Build on 64-bit OS/X
------------------------------------
+64-bit Build on 64-bit OS X
+---------------------------
 
 Add
 
-  --host x86_64-apple-darwin10.0.0 NASM=/opt/local/bin/nasm
+  --host x86_64-apple-darwin NASM=/opt/local/bin/nasm
 
-to the configure command line.  NASM 2.07 from MacPorts must be installed.
+to the configure command line.  NASM 2.07 or later from MacPorts must be
+installed.
 
 
-32-bit Library Build on 64-bit OS/X
------------------------------------
+32-bit Build on 64-bit OS X
+---------------------------
 
 Add
 
-  CFLAGS='-O3 -m32' CXXFLAGS='-O3 -m32' LDFLAGS=-m32
+  --host i686-apple-darwin CFLAGS='-O3 -m32' LDFLAGS=-m32
 
 to the configure command line.
 
 
-32-bit Backward-Compatible Library Build on 64-bit OS/X
--------------------------------------------------------
+64-bit Backward-Compatible Build on 64-bit OS X
+-----------------------------------------------
 
 Add
 
+  --host x86_64-apple-darwin NASM=/opt/local/bin/nasm \
   CFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
-    -mmacosx-version-min=10.4 -O3 -m32' \
-    CXXFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
+    -mmacosx-version-min=10.4 -O3' \
+    LDFLAGS='-isysroot /Developer/SDKs/MacOSX10.4u.sdk \
+    -mmacosx-version-min=10.4'
+
+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'
@@ -161,7 +271,36 @@ to the configure command line.  The OS X 10.4 SDK must be installed.
 
 Add
 
-  --host x86_64-pc-solaris CFLAGS='-O3 -m64' CXXFLAGS='-O3 -m64' LDFLAGS=-m64
+  --host x86_64-pc-solaris CFLAGS='-O3 -m64' LDFLAGS=-m64
+
+to the configure command line.
+
+
+32-bit 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.
 
@@ -169,96 +308,383 @@ to the configure command line.
 MinGW Build on Cygwin
 ---------------------
 
-Add
-
-  --host mingw32
-
-to the configure command line.  This will produce libraries which do not
-depend on cygwin1.dll or other Cygwin DLL's.
+Use CMake (see recipes below)
 
 
-Sun Studio
-----------
+===========
+ARM Support
+===========
 
-Add
+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.
 
-  CC=cc CXX=CC
 
-to the configure command line.  libjpeg-turbo will automatically be built with
-the maximum optimization level (-xO5) unless you override CFLAGS and CXXFLAGS.
+Building libjpeg-turbo for iOS
+------------------------------
 
-To build a 64-bit version of libjpeg-turbo using Sun Studio, add
+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.
 
-  --host x86_64-pc-solaris CC=cc CXX=CC CFLAGS='-xO5 -m64' \
-    CXXFLAGS='-xO5 -m64' LDFLAGS=-m64
+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++)
+**     Building on Windows (Visual C++ or MinGW)
 *******************************************************************************
 
+
 ==================
 Build Requirements
 ==================
 
--- GNU Make v3.7 or later
-   * Can be found in MSYS (http://www.mingw.org/download.shtml) or
-     Cygwin (http://www.cygwin.com/)
+-- CMake (http://www.cmake.org) v2.6 or later
 
--- Windows SDK for Windows Server 2008 and .NET Framework 3.5 (or a later
-   version)
+-- Microsoft Visual C++ 2005 or later
 
-   http://msdn.microsoft.com/en-us/windows/dd146047.aspx
+   If you don't already have Visual C++, then the easiest way to get it is by
+   installing the Windows SDK:
 
-   * The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
-     everything necessary to build libjpeg-turbo.  If you do not already have
-     Visual C++ installed, then this is the recommended solution.  Also tested
-     with Microsoft Visual C++ 2008 Express Edition (both are free downloads.)
-   * Add the compiler and SDK binary directories (for instance,
-     c:\Program Files\Microsoft Visual Studio 9.0\VC\BIN;
-     c:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE;
-     c:\Program Files\Microsoft SDKs\Windows\v6.1\bin)
-     to the system or user PATH environment variable prior to building
-     libjpeg-turbo.
-   * Add the compiler and SDK include directories (for instance,
-     c:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE;
-     c:\Program Files\Microsoft SDKs\Windows\v6.1\include)
-     to the system or user INCLUDE environment variable prior to building
-     libjpeg-turbo.
-   * Add the compiler library directory (for instance,
-     c:\Program Files\Microsoft Visual Studio 9.0\VC\LIB;
-     c:\Program Files\Microsoft SDKs\Windows\v6.1\lib)
-     to the system or user LIB environment variable prior to building
-     libjpeg-turbo.
+   http://msdn.microsoft.com/en-us/windows/bb980924.aspx
+
+   The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
+   everything necessary to build libjpeg-turbo.
+
+   * For 32-bit builds, you can also use Microsoft Visual C++ Express
+     Edition.  Visual C++ Express Edition is a free download.
+   * If you intend to build libjpeg-turbo from the command line, then add the
+     appropriate compiler and SDK directories to the INCLUDE, LIB, and PATH
+     environment variables.  This is generally accomplished by executing
+     vcvars32.bat or vcvars64.bat and SetEnv.cmd.  vcvars32.bat and
+     vcvars64.bat are part of Visual C++ and are located in the same directory
+     as the compiler.  SetEnv.cmd is part of the Windows SDK.  You can pass
+     optional arguments to SetEnv.cmd to specify a 32-bit or 64-bit build
+     environment.
+
+... OR ...
+
+-- MinGW
+
+   GCC v4.1 or later recommended for best performance
+
+-- NASM (http://www.nasm.us/) 0.98 or later (NASM 2.05 or later is required for
+   a 64-bit build)
+
+-- If building the TurboJPEG Java wrapper, JDK 1.5 or later is required.  This
+   can be downloaded from http://www.java.com.
+
+
+==================
+Out-of-Tree Builds
+==================
+
+Binary objects, libraries, and executables are generated in the same directory
+from which cmake was executed (the "binary directory"), and this directory need
+not necessarily be the same as the libjpeg-turbo source directory.  You can
+create multiple independent binary directories, in which different versions of
+libjpeg-turbo can be built from the same source tree using different compilers
+or settings.  In the sections below, {build_directory} refers to the binary
+directory, whereas {source_directory} refers to the libjpeg-turbo source
+directory.  For in-tree builds, these directories are the same.
 
--- NASM (http://www.nasm.us/) 0.98 or later
 
 ======================
 Building libjpeg-turbo
 ======================
 
-  cd libjpeg-turbo
-  make -f win/Makefile
 
-This will generate the following files under libjpeg-turbo\windows\:
+Visual C++ (Command Line)
+-------------------------
 
-  jpeg-static.lib        Static link library for libjpeg-turbo
-  jpeg62.dll             Shared library for libjpeg-turbo
-  jpeg.lib               Development stub for libjpeg-turbo shared library
-  turbojpeg-static.lib   Static link library for TurboJPEG/OSS
-  turbojpeg.dll          Shared library for TurboJPEG/OSS
-  turbojpeg.lib          Development stub for TurboJPEG/OSS shared library
+  cd {build_directory}
+  cmake -G "NMake Makefiles" -DCMAKE_BUILD_TYPE=Release {source_directory}
+  nmake
 
-#If a 64-bit Windows platform is detected, then the build system will attempt
-#to build a 64-bit version of libjpeg-turbo.  You can override this by running
-#
-#  make -f win/Makefile WIN64=no
+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.
 
-NOTE:  For unknown reasons, Win64 support doesn't work yet, so at the moment,
-you have to run 'make -f win/Makefile WIN64=yes' to get a 64-bit build on
-64-bit Windows.  The paragraph above will apply once Win64 support is working.
+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
 
 
 *******************************************************************************
@@ -267,14 +693,18 @@ you have to run 'make -f win/Makefile WIN64=yes' to get a 64-bit build on
 
 The following commands can be used to create various types of release packages:
 
+
+Unix/Linux
+----------
+
 make rpm
 
-  Create RedHat-style binary RPM package.  Requires RPM v4 or later.
+  Create Red Hat-style binary RPM package.  Requires RPM v4 or later.
 
 make srpm
 
   This runs 'make dist' to create a pristine source tarball, then creates a
-  RedHat-style source RPM package from the tarball.  Requires RPM v4 or later.
+  Red Hat-style source RPM package from the tarball.  Requires RPM v4 or later.
 
 make deb
 
@@ -284,23 +714,94 @@ 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
+make udmg [BUILDDIR32={32-bit build directory}]
 
-  On 64-bit OS X (10.6 "Snow Leopard" or later), this creates a version of the
-  Macintosh package/disk image which contains universal i386/x86-64 binaries.
-  The 32-bit fork of these binaries is backward compatible with OS X 10.4 and
-  later, whereas the 64-bit fork is compatible with OS X 10.6 and later.  OS X
-  10.4 compatibility SDK required.
+  On 64-bit OS X systems, this creates a Macintosh package and disk image that
+  contains universal i386/x86-64 binaries.  You should first configure a 32-bit
+  out-of-tree build of libjpeg-turbo, then configure a 64-bit out-of-tree
+  build, then run 'make udmg' from the 64-bit build directory.  The build
+  system will look for the 32-bit build under {source_directory}/osxx86 by
+  default, but you can override this by setting the BUILDDIR32 variable on the
+  make command line as shown above.
 
-make nsi
+make iosdmg [BUILDDIR32={32-bit build directory}] \
+  [BUILDDIRARMV6={ARM v6 build directory}] \
+  [BUILDDIRARMV7={ARM v7 build directory}] \
+  [BUILDDIRARMV7S={ARM v7s build directory}]
 
-  When using MinGW, this creates a Win32 installer for the GCC version of the
-  libjpeg-turbo SDK.  This requires the Nullsoft Install System
-  (http://nsis.sourceforge.net/.)  makensis.exe should be in your PATH.
+  On OS X systems, this creates a Macintosh package and disk image in which the
+  libjpeg-turbo static libraries contain ARM architectures necessary to build
+  iOS applications.  If building on an x86-64 system, the binaries will also
+  contain the i386 architecture, as with 'make udmg' above.  You should first
+  configure ARM v6, ARM v7, and/or ARM v7s out-of-tree builds of libjpeg-turbo
+  (see "Building libjpeg-turbo for iOS" above.)  If you are building an x86-64
+  version of libjpeg-turbo, you should configure a 32-bit out-of-tree build as
+  well.  Next, build libjpeg-turbo as you would normally, using an out-of-tree
+  build.  When it is built, run 'make iosdmg' from the build directory.  The
+  build system will look for the ARM v6 build under {source_directory}/iosarmv6
+  by default, the ARM v7 build under {source_directory}/iosarmv7 by default,
+  the ARM v7s build under {source_directory}/iosarmv7s by default, and (if
+  applicable) the 32-bit build under {source_directory}/osxx86 by default, but
+  you can override this by setting the BUILDDIR32, BUILDDIRARMV6,
+  BUILDDIRARMV7, and/or BUILDDIRARMV7S variables on the make command line as
+  shown above.
 
-make -f win/Makefile dist
+make cygwinpkg
 
-  This creates a Win32 installer for the Visual C++ version of the
-  libjpeg-turbo SDK.  This requires the Nullsoft Install System
-  (http://nsis.sourceforge.net/.)  makensis.exe should be in your PATH.
+  Build a Cygwin binary package.
+
+
+Windows
+-------
+
+If using NMake:
+
+  cd {build_directory}
+  nmake installer
+
+If using MinGW:
+
+  cd {build_directory}
+  make installer
+
+If using the Visual Studio IDE, build the "installer" project.
+
+The installer package (libjpeg-turbo[-gcc][64].exe) will be located under
+{build_directory}.  If building using the Visual Studio IDE, then the installer
+package will be located in a subdirectory with the same name as the
+configuration you built (such as {build_directory}\Debug\ or
+{build_directory}\Release\).
+
+Building a Windows installer requires the Nullsoft Install System
+(http://nsis.sourceforge.net/.)  makensis.exe should be in your PATH.
+
+
+*******************************************************************************
+**     Regression testing
+*******************************************************************************
+
+The most common way to test libjpeg-turbo is by invoking 'make test' on
+Unix/Linux platforms or 'ctest' on Windows platforms, once the build has
+completed.  This runs a series of tests to ensure that mathematical
+compatibility has been maintained between libjpeg-turbo and libjpeg v6b.  This
+also invokes the TurboJPEG unit tests, which ensure that the colorspace
+extensions, YUV encoding, decompression scaling, and other features of the
+TurboJPEG C and Java APIs are working properly (and, by extension, that the
+equivalent features of the underlying libjpeg API are also working.)
+
+Invoking 'make testclean' or 'nmake testclean' (if using NMake) or building
+the 'testclean' target (if using the Visual Studio IDE) will clean up the
+output images generated by 'make test'.
+
+On Unix/Linux platforms, more extensive tests of the TurboJPEG C and Java
+wrappers can be run by invoking 'make tjtest'.  These extended TurboJPEG tests
+essentially iterate through all of the available features of the TurboJPEG APIs
+that are not covered by the TurboJPEG unit tests (this includes the lossless
+transform options) and compare the images generated by each feature to images
+generated using the equivalent feature in the libjpeg API.  The extended
+TurboJPEG tests are meant to test for regressions in the TurboJPEG wrappers,
+not in the underlying libjpeg API library.

CMakeLists.txt

@@ -0,0 +1,499 @@
+#
+# 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)

ChangeLog.txt

@@ -1,7 +1,457 @@
-Significant changes since 0.0.90
-================================
+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

LGPL.txt

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LICENSE.txt

@@ -1,53 +0,0 @@
-                wxWindows Library Licence, Version 3.1
-                ======================================
-
-  Copyright (C) 1998-2005 Julian Smart, Robert Roebling et al
-
-  Everyone is permitted to copy and distribute verbatim copies
-  of this licence document, but changing it is not allowed.
-
-                       WXWINDOWS LIBRARY LICENCE
-     TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
-  
-  This library is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Library General Public Licence as published by
-  the Free Software Foundation; either version 2 of the Licence, or (at
-  your option) any later version.
-  
-  This library is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library
-  General Public Licence for more details.
-
-  You should have received a copy of the GNU Library General Public Licence
-  along with this software, usually in a file named COPYING.LIB.  If not,
-  write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
-  Boston, MA 02111-1307 USA.
-
-  EXCEPTION NOTICE
-
-  1. As a special exception, the copyright holders of this library give
-  permission for additional uses of the text contained in this release of
-  the library as licenced under the wxWindows Library Licence, applying
-  either version 3.1 of the Licence, or (at your option) any later version of
-  the Licence as published by the copyright holders of version
-  3.1 of the Licence document.
-
-  2. The exception is that you may use, copy, link, modify and distribute
-  under your own terms, binary object code versions of works based
-  on the Library.
-
-  3. If you copy code from files distributed under the terms of the GNU
-  General Public Licence or the GNU Library General Public Licence into a
-  copy of this library, as this licence permits, the exception does not
-  apply to the code that you add in this way.  To avoid misleading anyone as
-  to the status of such modified files, you must delete this exception
-  notice from such code and/or adjust the licensing conditions notice
-  accordingly.
-
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-  choice whether to permit this exception to apply to your modifications. 
-  If you do not wish that, you must delete the exception notice from such
-  code and/or adjust the licensing conditions notice accordingly.
-
-

Makefile.am

@@ -1,11 +1,18 @@
-lib_LTLIBRARIES = libjpeg.la libturbojpeg.la
-libjpeg_la_LDFLAGS = -version-number 62:0:0 -no-undefined
-libturbojpeg_la_LDFLAGS = -avoid-version -no-undefined
-include_HEADERS = jerror.h jmorecfg.h jpeglib.h turbojpeg.h
+lib_LTLIBRARIES = libjpeg.la
+libjpeg_la_LDFLAGS = -version-info ${LIBTOOL_CURRENT}:${SO_MINOR_VERSION}:${SO_AGE} -no-undefined
+include_HEADERS = jerror.h jmorecfg.h jpeglib.h
+
+if WITH_TURBOJPEG
+lib_LTLIBRARIES += libturbojpeg.la
+libturbojpeg_la_LDFLAGS = -version-info 0:0 -no-undefined
+include_HEADERS += turbojpeg.h
+endif
+
 nodist_include_HEADERS = jconfig.h
 
+
 HDRS = jchuff.h jdct.h jdhuff.h jerror.h jinclude.h jmemsys.h jmorecfg.h \
-	jpegint.h jpeglib.h jversion.h jsimd.h jsimddct.h
+	jpegint.h jpeglib.h jversion.h jsimd.h jsimddct.h jpegcomp.h
 
 libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \
 	jcdctmgr.c jchuff.c jcinit.c jcmainct.c jcmarker.c jcmaster.c \
@@ -16,18 +23,56 @@ libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \
 	jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c \
 	jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c
 
-libturbojpeg_la_SOURCES = $(libjpeg_la_SOURCES) turbojpegl.c turbojpeg.h \
-	turbojpeg-mapfile
+if WITH_ARITH
+libjpeg_la_SOURCES += jaricom.c
+endif
 
-if VERSION_SCRIPT
+if WITH_ARITH_ENC
+libjpeg_la_SOURCES += jcarith.c
+endif
 
-libturbojpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)$(srcdir)/turbojpeg-mapfile
+if WITH_ARITH_DEC
+libjpeg_la_SOURCES += jdarith.c
+endif
+
+
+SUBDIRS = java
+
+
+if WITH_TURBOJPEG
+
+libturbojpeg_la_SOURCES = $(libjpeg_la_SOURCES) turbojpeg.c turbojpeg.h \
+	transupp.c transupp.h jdatadst-tj.c jdatasrc-tj.c
+
+if WITH_JAVA
+
+libturbojpeg_la_SOURCES += turbojpeg-jni.c
+libturbojpeg_la_CFLAGS = ${JNI_CFLAGS}
+TJMAPFILE = turbojpeg-mapfile.jni
+
+else
+
+TJMAPFILE = turbojpeg-mapfile
 
 endif
 
+libturbojpeg_la_SOURCES += $(TJMAPFILE)
+
+if VERSION_SCRIPT
+libturbojpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)$(srcdir)/$(TJMAPFILE)
+endif
+
+endif
+
+
+if VERSION_SCRIPT
+libjpeg_la_LDFLAGS += $(VERSION_SCRIPT_FLAG)libjpeg.map
+endif
+
+
 if WITH_SIMD
 
-SUBDIRS = simd
+SUBDIRS += simd
 libjpeg_la_LIBADD = simd/libsimd.la
 libturbojpeg_la_LIBADD = simd/libsimd.la
 
@@ -37,17 +82,30 @@ libjpeg_la_SOURCES += jsimd_none.c
 
 endif
 
-TSTHDRS = rrutil.h rrtimer.h
 
-noinst_PROGRAMS = jpgtest jpegut cjpeg djpeg jpegtran rdjpgcom wrjpgcom
+bin_PROGRAMS = cjpeg djpeg jpegtran rdjpgcom wrjpgcom
+noinst_PROGRAMS = jcstest
 
-jpgtest_SOURCES = $(TSTHDRS) jpgtest.cxx bmp.h bmp.c
 
-jpgtest_LDADD = libturbojpeg.la
+if WITH_TURBOJPEG
 
-jpegut_SOURCES = $(TSTHDRS) jpegut.c bmp.h bmp.c
+bin_PROGRAMS += tjbench
+
+noinst_PROGRAMS += tjunittest
+
+tjbench_SOURCES = tjbench.c bmp.h bmp.c tjutil.h tjutil.c rdbmp.c rdppm.c \
+	wrbmp.c wrppm.c
+
+tjbench_LDADD = libturbojpeg.la libjpeg.la -lm
+
+tjbench_CFLAGS = -DBMP_SUPPORTED -DPPM_SUPPORTED
+
+tjunittest_SOURCES = tjunittest.c tjutil.h tjutil.c
+
+tjunittest_LDADD = libturbojpeg.la
+
+endif
 
-jpegut_LDADD = libturbojpeg.la
 
 cjpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c cjpeg.c rdbmp.c rdgif.c \
 	rdppm.c rdswitch.c rdtarga.c 
@@ -77,96 +135,271 @@ wrjpgcom_SOURCES = wrjpgcom.c
 
 wrjpgcom_LDADD = libjpeg.la
 
+jcstest_SOURCES = jcstest.c
 
-DISTMANS= cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
+jcstest_LDADD = libjpeg.la
 
-DOCS= README install.doc usage.doc wizard.doc example.c libjpeg.doc \
-	structure.doc coderules.doc filelist.doc jconfig.doc change.log \
-	README-turbo.txt rdrle.c wrrle.c LICENSE.txt LGPL.txt BUILDING.txt \
+dist_man1_MANS = cjpeg.1 djpeg.1 jpegtran.1 rdjpgcom.1 wrjpgcom.1
+
+DOCS= coderules.txt jconfig.txt change.log rdrle.c wrrle.c BUILDING.txt \
 	ChangeLog.txt
 
-TESTFILES= testorig.jpg testorig.ppm testimg.bmp testimgflt.jpg \
-	testimgfst.jpg testimgint.jpg testimgp.jpg testimgfst.ppm testimgint.ppm
+docdir = $(datadir)/doc
+dist_doc_DATA = README README-turbo.txt libjpeg.txt structure.txt usage.txt \
+	wizard.txt 
 
-EXTRA_DIST = win release $(DOCS) $(DISTMANS) $(TESTFILES)
+exampledir = $(datadir)/doc
+dist_example_DATA = example.c
+
+
+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`
 
 
-test: testclean cjpeg djpeg jpegtran jpegut
-	./jpegut
-	./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm
-	./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testorig.ppm
-	./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testorig.ppm
-	cmp $(srcdir)/testimgint.jpg testoutint.jpg
-	cmp $(srcdir)/testimgfst.jpg testoutfst.jpg
-	cmp $(srcdir)/testimgflt.jpg testoutflt.jpg
-	./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testorig.jpg
-	./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testorig.jpg
-	./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testorig.jpg
-	cmp $(srcdir)/testimgint.ppm testoutint.ppm
-	cmp $(srcdir)/testimgfst.ppm testoutfst.ppm
-	cmp $(srcdir)/testorig.ppm testoutflt.ppm
-	./djpeg -dct int -bmp -colors 256 -outfile testout.bmp  $(srcdir)/testorig.jpg
-	cmp $(srcdir)/testimg.bmp testout.bmp
-	./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testorig.ppm
-	cmp $(srcdir)/testimgp.jpg testoutp.jpg
+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
-	cmp $(srcdir)/testimgint.jpg testoutt.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:
-	$(RM) testout*
-	$(RM) *_GRAYQ[0-9]*.bmp
-	$(RM) *_GRAYQ[0-9]*.ppm
-	$(RM) *_GRAYQ[0-9]*.jpg
-	$(RM) *_420Q[0-9]*.bmp
-	$(RM) *_420Q[0-9]*.ppm
-	$(RM) *_420Q[0-9]*.jpg
-	$(RM) *_422Q[0-9]*.bmp
-	$(RM) *_422Q[0-9]*.ppm
-	$(RM) *_422Q[0-9]*.jpg
-	$(RM) *_444Q[0-9]*.bmp
-	$(RM) *_444Q[0-9]*.ppm
-	$(RM) *_444Q[0-9]*.jpg
+	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
 
-rpm: all
-	sh $(srcdir)/release/makerpm ${PACKAGE_NAME} ${VERSION} ${BUILD} \
-		${RPMARCH} ${srcdir}
-
-srpm: dist-gzip
-	sh $(srcdir)/release/makesrpm ${PACKAGE_NAME} ${VERSION} ${BUILD} ${srcdir}
-
-deb: all
-	sh $(srcdir)/release/makedpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
-		${DEBARCH} ${srcdir}
-
-if X86_64
-
-udmg: all
-	sh $(srcdir)/release/makemacpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
-		${srcdir} universal
 
+tjtest:
+	sh ./tjbenchtest
+if WITH_JAVA
+	sh ./tjbenchtest.java
 endif
 
-dmg: all
-	sh $(srcdir)/release/makemacpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} ${srcdir}
+
+pkgscripts/libjpeg-turbo.spec: pkgscripts/libjpeg-turbo.spec.tmpl
+	cat pkgscripts/libjpeg-turbo.spec.tmpl | sed s@%{__prefix}@$(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
 
-sunpkg: all
-	sh $(srcdir)/release/makesunpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
-		${DEBARCH} ${srcdir} $(CC) $(CXX) combined
+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
 
-sunpkg: all
-	sh $(srcdir)/release/makesunpkg ${PACKAGE_NAME} ${VERSION} ${BUILD} \
-		${DEBARCH} ${srcdir} $(CC) $(CXX)
+iosdmg: all pkgscripts/makemacpkg pkgscripts/uninstall
+	sh pkgscripts/makemacpkg -buildarmv6 ${BUILDDIRARMV6} -buildarmv7 ${BUILDDIRARMV7} -buildarmv7s ${BUILDDIRARMV7S}
 
 endif
 
-nsi: all
-	makensis -nocd -DVERSION=$(VERSION) -DAPPNAME=libjpeg-turbo-gcc \
-		-DWLIBDIR=.libs -DWSRCDIR=$(srcdir) -DWBLDDIR=. -DWHDRDIR=. \
-		-DPLATFORM="GCC" -DGCC $(srcdir)/release/libjpeg-turbo.nsi
+dmg: all pkgscripts/makemacpkg pkgscripts/uninstall
+	sh pkgscripts/makemacpkg
+
+pkgscripts/makecygwinpkg: pkgscripts/makecygwinpkg.tmpl
+	cat pkgscripts/makecygwinpkg.tmpl | sed s@%{__prefix}@$(prefix)@g | \
+		sed s@%{__docdir}@$(docdir)@g | sed s@%{__libdir}@$(libdir)@g \
+		> pkgscripts/makecygwinpkg
+
+cygwinpkg: all pkgscripts/makecygwinpkg
+	sh pkgscripts/makecygwinpkg

README

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

README-turbo.txt

@@ -2,51 +2,104 @@
 **     Background
 *******************************************************************************
 
-libjpeg-turbo is a high-speed version of libjpeg for x86 and x86-64 processors
-which uses SIMD instructions (MMX, SSE2, etc.) to accelerate baseline JPEG
-compression and decompression.  libjpeg-turbo is generally 2-4x as fast
-as the unmodified version of libjpeg, all else being equal.
+libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
+NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64,
+and ARM systems.  On such systems, libjpeg-turbo is generally 2-4x as fast as
+libjpeg, all else being equal.  On other types of systems, libjpeg-turbo can
+still outperform libjpeg by a significant amount, by virtue of its
+highly-optimized Huffman coding routines.  In many cases, the performance of
+libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.
 
-libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but
-the TigerVNC and VirtualGL projects made numerous enhancements to the codec,
-including improved support for Mac OS X, 64-bit support, support for 32-bit
-and big endian pixel formats, accelerated Huffman encoding/decoding, and
-various bug fixes.  The goal was to produce a fully open source codec that
-could replace the partially closed source TurboJPEG/IPP codec used by VirtualGL
-and TurboVNC.  libjpeg-turbo generally performs in the range of 80-120% of
-TurboJPEG/IPP.  It is faster in some areas but slower in others.
+libjpeg-turbo implements both the traditional libjpeg API as well as the less
+powerful but more straightforward TurboJPEG API.  libjpeg-turbo also features
+colorspace extensions that allow it to compress from/decompress to 32-bit and
+big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java
+interface.
 
-It was decided to split libjpeg-turbo into a separate SDK so that other
-projects could take advantage of this technology.  The libjpeg-turbo shared
-libraries can be used as drop-in replacements for libjpeg on most systems.
+libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated
+derivative of libjpeg v6b developed by Miyasaka Masaru.  The TigerVNC and
+VirtualGL projects made numerous enhancements to the codec in 2009, and in
+early 2010, libjpeg-turbo spun off into an independent project, with the goal
+of making high-speed JPEG compression/decompression technology available to a
+broader range of users and developers.
 
 
 *******************************************************************************
 **     License
 *******************************************************************************
 
-Some of the optimizations to the Huffman encoder/decoder were borrowed from
-VirtualGL, and thus the libjpeg-turbo distribution, as a whole, falls under the
-wxWindows Library Licence, Version 3.1.  A copy of this license can be found in
-this directory under LICENSE.txt.  The wxWindows Library License is based on
-the LGPL but includes provisions which allow the Library to be statically
-linked into proprietary libraries and applications without requiring the
-resulting binaries to be distributed under the terms of the LGPL.
+Most of libjpeg-turbo inherits the non-restrictive, BSD-style license used by
+libjpeg (see README.)  The TurboJPEG wrapper (both C and Java versions) and
+associated test programs bear a similar license, which is reproduced below:
 
-The rest of the source code, apart from these modifications, falls under a less
-restrictive, BSD-style license (see README.)
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+- Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+- Neither the name of the libjpeg-turbo Project nor the names of its
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
 
 
 *******************************************************************************
 **     Using libjpeg-turbo
 *******************************************************************************
 
+libjpeg-turbo includes two APIs that can be used to compress and decompress
+JPEG images:
+
+  TurboJPEG API:  This API provides an easy-to-use interface for compressing
+  and decompressing JPEG images in memory.  It also provides some functionality
+  that would not be straightforward to achieve using the underlying libjpeg
+  API, such as generating planar YUV images and performing multiple
+  simultaneous lossless transforms on an image.  The Java interface for
+  libjpeg-turbo is written on top of the TurboJPEG API.
+
+  libjpeg API:  This is the de facto industry-standard API for compressing and
+  decompressing JPEG images.  It is more difficult to use than the TurboJPEG
+  API but also more powerful.  The libjpeg API implementation in libjpeg-turbo
+  is both API/ABI-compatible and mathematically compatible with libjpeg v6b.
+  It can also optionally be configured to be API/ABI-compatible with libjpeg v7
+  and v8 (see below.)
+
+There is no significant performance advantage to either API when both are used
+to perform similar operations.
+
+======================
+Installation Directory
+======================
+
+This document assumes that libjpeg-turbo will be installed in the default
+directory (/opt/libjpeg-turbo on Un*x and Mac systems and
+c:\libjpeg-turbo[-gcc][64] on Windows systems.  If your installation of
+libjpeg-turbo resides in a different directory, then adjust the instructions
+accordingly.
+
 =============================
 Replacing libjpeg at Run Time
 =============================
 
-If a Unix application is dynamically linked with libjpeg, then you can replace
-libjpeg with libjpeg-turbo at run time by manipulating the LD_LIBRARY_PATH.
+Un*x
+----
+
+If a Un*x application is dynamically linked with libjpeg, then you can replace
+libjpeg with libjpeg-turbo at run time by manipulating LD_LIBRARY_PATH.
 For instance:
 
   [Using libjpeg]
@@ -62,64 +115,51 @@ For instance:
   user  0m0.029s
   sys   0m0.010s
 
-NOTE: {lib} can be lib, lib32, lib64, or lib/amd64, depending on the O/S and
-architecture.
+({lib} = lib32 or lib64, depending on whether you wish to use the 32-bit or the
+64-bit version of libjpeg-turbo.)
 
-System administrators can also replace the libjpeg sym links in /usr/{lib} with
-links to the libjpeg dynamic library located in /opt/libjpeg-turbo/{lib}.  This
-will effectively accelerate every dynamically linked libjpeg application on the
-system.
+System administrators can also replace the libjpeg symlinks in /usr/lib* with
+links to the libjpeg-turbo dynamic library located in /opt/libjpeg-turbo/{lib}.
+This will effectively accelerate every application that uses the libjpeg
+dynamic library on the system.
 
-The Windows distribution of the libjpeg-turbo SDK installs jpeg62.dll into
-c:\libjpeg-turbo\bin, and the PATH environment variable can be modified such
-that this directory is searched before any others that might contain
-jpeg62.dll.  However, if jpeg62.dll also exists in an application's install
-directory, then Windows will load the application's version of it first.  Thus,
-if an application ships with jpeg62.dll, then back up the application's version
-of jpeg62.dll and copy c:\libjpeg-turbo\bin\jpeg62.dll into the application's
-install directory to accelerate it.
+Windows
+-------
 
-The version of jpeg62.dll distributed in the libjpeg-turbo SDK requires the
-Visual C++ 2008 C run time DLL (msvcr90.dll).  This library ships with more
-recent versions of Windows, but users of older versions can obtain it from the
-Visual C++ 2008 Redistributable Package, which is available as a free download
-from Microsoft's web site.
+If a Windows application is dynamically linked with libjpeg, then you can
+replace libjpeg with libjpeg-turbo at run time by backing up the application's
+copy of jpeg62.dll, jpeg7.dll, or jpeg8.dll (assuming the application has its
+own local copy of this library) and copying the corresponding DLL from
+libjpeg-turbo into the application's install directory.  The official
+libjpeg-turbo binary packages only provide jpeg62.dll.  If the application uses
+jpeg7.dll or jpeg8.dll instead, then it will be necessary to build
+libjpeg-turbo from source (see "libjpeg v7 and v8 API/ABI Emulation" below.)
 
-NOTE:  Features of libjpeg which require passing a C run time structure, such
-as a file handle, from an application to libjpeg will probably not work with
-the distributed version of jpeg62.dll unless the application is also built to
-use the Visual C++ 2008 C run time DLL.  In particular, this affects
-jpeg_stdio_dest() and jpeg_stdio_src().
+The following information is specific to the official libjpeg-turbo binary
+packages for Visual C++:
 
-Mac applications typically embed their own copies of libjpeg.62.dylib inside
+-- jpeg62.dll requires the Visual C++ 2008 C run-time DLL (msvcr90.dll).
+msvcr90.dll ships with more recent versions of Windows, but users of older
+Windows releases can obtain it from the Visual C++ 2008 Redistributable
+Package, which is available as a free download from Microsoft's web site.
+
+-- Features of the libjpeg API that require passing a C run-time structure,
+such as a file handle, from an application to the library will probably not
+work with jpeg62.dll, unless the application is also built to use the Visual
+C++ 2008 C run-time DLL.  In particular, this affects jpeg_stdio_dest() and
+jpeg_stdio_src().
+
+Mac
+---
+
+Mac applications typically embed their own copies of the libjpeg dylib inside
 the (hidden) application bundle, so it is not possible to globally replace
-libjpeg on OS X systems.  If an application uses a shared library version of
-libjpeg, then it may be possible to replace the application's version of it.
-This would generally involve copying libjpeg.62.dylib into the appropriate
-place in the application bundle and using install_name_tool to repoint the
-dylib to the new directory.  This requires an advanced knowledge of OS X and
-would not survive an upgrade or a re-install of the application.  Thus, it is
-not recommended for most users.
-
-=======================
-Replacing TurboJPEG/IPP
-=======================
-
-libjpeg-turbo is a drop-in replacement for the TurboJPEG/IPP SDK used by
-VirtualGL 2.1.x (and prior) and TurboVNC.  libjpeg-turbo contains a wrapper
-library (TurboJPEG/OSS) that emulates the TurboJPEG API using libjpeg-turbo
-instead of the closed source Intel Performance Primitives.  You can replace the
-TurboJPEG/IPP package on Linux systems with the libjpeg-turbo package in order
-to make existing releases of VirtualGL 2.1.x and TurboVNC use the new codec at
-run time.  Note that the 64-bit libjpeg-turbo packages contain only 64-bit
-binaries, whereas the TurboJPEG/IPP 64-bit packages contain both 64-bit and
-32-bit binaries.  Thus, to replace a TurboJPEG/IPP 64-bit package, install
-both the 64-bit and 32-bit versions of libjpeg-turbo.
-
-You can also build the VirtualGL 2.1.x and TurboVNC source code with
-the libjpeg-turbo SDK instead of TurboJPEG/IPP.  It should work identically.
-libjpeg-turbo also includes static library versions of TurboJPEG/OSS, which
-are used to build VirtualGL 2.2 and later.
+libjpeg on OS X systems.  Replacing the application's version of the libjpeg
+dylib would generally involve copying libjpeg.*.dylib from libjpeg-turbo into
+the appropriate place in the application bundle and using install_name_tool to
+repoint the libjpeg-turbo dylib to its new directory.  This requires an
+advanced knowledge of OS X and would not survive an upgrade or a re-install of
+the application.  Thus, it is not recommended for most users.
 
 ========================================
 Using libjpeg-turbo in Your Own Programs
@@ -127,57 +167,52 @@ Using libjpeg-turbo in Your Own Programs
 
 For the most part, libjpeg-turbo should work identically to libjpeg, so in
 most cases, an application can be built against libjpeg and then run against
-libjpeg-turbo.  On Unix systems, you can build against libjpeg-turbo instead
-of libjpeg by setting
+libjpeg-turbo.  On Un*x systems and Cygwin, you can build against libjpeg-turbo
+instead of libjpeg by setting
 
   CPATH=/opt/libjpeg-turbo/include
   and
   LIBRARY_PATH=/opt/libjpeg-turbo/{lib}
 
-({lib} = lib, lib32, lib64, or lib/amd64, as appropriate.)
-
-If using Cygwin, then set
-
-  CPATH=/cygdrive/c/libjpeg-turbo-gcc/include
-  and
-  LIBRARY_PATH=/cygdrive/c/libjpeg-turbo-gcc/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/include
+  CPATH=/c/libjpeg-turbo-gcc[64]/include
   and
-  LIBRARY_PATH=/c/libjpeg-turbo-gcc/lib
+  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 Linux and Solaris systems, you would still need to manipulate the
-LD_LIBRARY_PATH or sym links appropriately to use libjpeg-turbo at run time.
-On such systems, you can pass -R /opt/libjpeg-turbo/{lib} to the linker to
-force the use of libjpeg-turbo at run time rather than libjpeg (also useful if
-you want to leverage the colorspace extensions), or you can link against the
-libjpeg-turbo static library.
+On Un*x systems, you would still need to manipulate LD_LIBRARY_PATH or create
+appropriate symlinks to use libjpeg-turbo at run time.  On such systems, you
+can pass -R /opt/libjpeg-turbo/{lib} to the linker to force the use of
+libjpeg-turbo at run time rather than libjpeg (also useful if you want to
+leverage the colorspace extensions), or you can link against the libjpeg-turbo
+static library.
 
-To force a Linux, Solaris, or MinGW application to link against the static
-version of libjpeg-turbo, you can use the following linker options:
+To force a Un*x or MinGW application to link against the static version of
+libjpeg-turbo, you can use the following linker options:
 
   -Wl,-Bstatic -ljpeg -Wl,-Bdynamic
 
-On OS X, simply add /opt/libjpeg-turbo/{lib}/libjpeg.a to the linker command
-line (this also works on Linux and Solaris.)
+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\include to your system or user INCLUDE environment variable
-and c:\libjpeg-turbo\lib to your system or user LIB environment variable, and
-then link against either jpeg.lib (to use jpeg62.dll) or jpeg-static.lib (to
-use the static version of libjpeg-turbo.)
+c:\libjpeg-turbo[64]\include to the system or user INCLUDE environment
+variable and c:\libjpeg-turbo[64]\lib to the system or user LIB environment
+variable, and then link against either jpeg.lib (to use the DLL version of
+libjpeg-turbo) or jpeg-static.lib (to use the static version of libjpeg-turbo.)
 
 =====================
 Colorspace Extensions
 =====================
 
-libjpeg-turbo includes extensions which allow JPEG images to be compressed
-directly from (and decompressed directly to) buffers which use BGR, BGRA,
-RGBA, ABGR, and ARGB pixel ordering.  This is implemented with six new
+libjpeg-turbo includes extensions that allow JPEG images to be compressed
+directly from (and decompressed directly to) buffers that use BGR, BGRX,
+RGBX, XBGR, and XRGB pixel ordering.  This is implemented with ten new
 colorspace constants:
 
   JCS_EXT_RGB   /* red/green/blue */
@@ -186,16 +221,255 @@ colorspace constants:
   JCS_EXT_BGRX  /* blue/green/red/x */
   JCS_EXT_XBGR  /* x/blue/green/red */
   JCS_EXT_XRGB  /* x/red/green/blue */
+  JCS_EXT_RGBA  /* red/green/blue/alpha */
+  JCS_EXT_BGRA  /* blue/green/red/alpha */
+  JCS_EXT_ABGR  /* alpha/blue/green/red */
+  JCS_EXT_ARGB  /* alpha/red/green/blue */
 
 Setting cinfo.in_color_space (compression) or cinfo.out_color_space
 (decompression) to one of these values will cause libjpeg-turbo to read the
 red, green, and blue values from (or write them to) the appropriate position in
-the pixel when YUV conversion is performed.
+the pixel when compressing from/decompressing to an RGB buffer.
 
 Your application can check for the existence of these extensions at compile
 time with:
 
   #ifdef JCS_EXTENSIONS
 
-At run time, attempting to use these extensions with a version of libjpeg
-that doesn't support them will result in a "Bogus input colorspace" error.
+At run time, attempting to use these extensions with a libjpeg implementation
+that does not support them will result in a "Bogus input colorspace" error.
+Applications can trap this error in order to test whether run-time support is
+available for the colorspace extensions.
+
+When using the RGBX, BGRX, XBGR, and XRGB colorspaces during decompression, the
+X byte is undefined, and in order to ensure the best performance, libjpeg-turbo
+can set that byte to whatever value it wishes.  If an application expects the X
+byte to be used as an alpha channel, then it should specify JCS_EXT_RGBA,
+JCS_EXT_BGRA, JCS_EXT_ABGR, or JCS_EXT_ARGB.  When these colorspace constants
+are used, the X byte is guaranteed to be 0xFF, which is interpreted as opaque.
+
+Your application can check for the existence of the alpha channel colorspace
+extensions at compile time with:
+
+  #ifdef JCS_ALPHA_EXTENSIONS
+
+jcstest.c, located in the libjpeg-turbo source tree, demonstrates how to check
+for the existence of the colorspace extensions at compile time and run time.
+
+===================================
+libjpeg v7 and v8 API/ABI Emulation
+===================================
+
+With libjpeg v7 and v8, new features were added that necessitated extending the
+compression and decompression structures.  Unfortunately, due to the exposed
+nature of those structures, extending them also necessitated breaking backward
+ABI compatibility with previous libjpeg releases.  Thus, programs that were
+built to use libjpeg v7 or v8 did not work with libjpeg-turbo, since it is
+based on the libjpeg v6b code base.  Although libjpeg v7 and v8 are still not
+as widely used as v6b, enough programs (including a few Linux distros) made
+the switch that there was a demand to emulate the libjpeg v7 and v8 ABIs
+in libjpeg-turbo.  It should be noted, however, that this feature was added
+primarily so that applications that had already been compiled to use libjpeg
+v7+ could take advantage of accelerated baseline JPEG encoding/decoding
+without recompiling.  libjpeg-turbo does not claim to support all of the
+libjpeg v7+ features, nor to produce identical output to libjpeg v7+ in all
+cases (see below.)
+
+By passing an argument of --with-jpeg7 or --with-jpeg8 to configure, or an
+argument of -DWITH_JPEG7=1 or -DWITH_JPEG8=1 to cmake, you can build a version
+of libjpeg-turbo that emulates the libjpeg v7 or v8 ABI, so that programs
+that are built against libjpeg v7 or v8 can be run with libjpeg-turbo.  The
+following section describes which libjpeg v7+ features are supported and which
+aren't.
+
+Support for libjpeg v7 and v8 Features:
+---------------------------------------
+
+Fully supported:
+
+-- libjpeg: IDCT scaling extensions in decompressor
+   libjpeg-turbo supports IDCT scaling with scaling factors of 1/8, 1/4, 3/8,
+   1/2, 5/8, 3/4, 7/8, 9/8, 5/4, 11/8, 3/2, 13/8, 7/4, 15/8, and 2/1 (only 1/4
+   and 1/2 are SIMD-accelerated.)
+
+-- libjpeg: arithmetic coding
+
+-- libjpeg: In-memory source and destination managers
+   See notes below.
+
+-- cjpeg: Separate quality settings for luminance and chrominance
+   Note that the libpjeg v7+ API was extended to accommodate this feature only
+   for convenience purposes.  It has always been possible to implement this
+   feature with libjpeg v6b (see rdswitch.c for an example.)
+
+-- cjpeg: 32-bit BMP support
+
+-- cjpeg: -rgb option
+
+-- jpegtran: lossless cropping
+
+-- jpegtran: -perfect option
+
+-- jpegtran: forcing width/height when performing lossless crop
+
+-- rdjpgcom: -raw option
+
+-- rdjpgcom: locale awareness
+
+
+Not supported:
+
+NOTE:  As of this writing, extensive research has been conducted into the
+usefulness of DCT scaling as a means of data reduction and SmartScale as a
+means of quality improvement.  The reader is invited to peruse the research at
+http://www.libjpeg-turbo.org/About/SmartScale and draw his/her own conclusions,
+but it is the general belief of our project that these features have not
+demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.
+
+-- libjpeg: DCT scaling in compressor
+   cinfo.scale_num and cinfo.scale_denom are silently ignored.
+   There is no technical reason why DCT scaling could not be supported when
+   emulating the libjpeg v7+ API/ABI, but without the SmartScale extension (see
+   below), only scaling factors of 1/2, 8/15, 4/7, 8/13, 2/3, 8/11, 4/5, and
+   8/9 would be available, which is of limited usefulness.
+
+-- libjpeg: SmartScale
+   cinfo.block_size is silently ignored.
+   SmartScale is an extension to the JPEG format that allows for DCT block
+   sizes other than 8x8.  Providing support for this new format would be
+   feasible (particularly without full acceleration.)  However, until/unless
+   the format becomes either an official industry standard or, at minimum, an
+   accepted solution in the community, we are hesitant to implement it, as
+   there is no sense of whether or how it might change in the future.  It is
+   our belief that SmartScale has not demonstrated sufficient usefulness as a
+   lossless format nor as a means of quality enhancement, and thus, our primary
+   interest in providing this feature would be as a means of supporting
+   additional DCT scaling factors.
+
+-- libjpeg: Fancy downsampling in compressor
+   cinfo.do_fancy_downsampling is silently ignored.
+   This requires the DCT scaling feature, which is not supported.
+
+-- jpegtran: Scaling
+   This requires both the DCT scaling and SmartScale features, which are not
+   supported.
+
+-- Lossless RGB JPEG files
+   This requires the SmartScale feature, which is not supported.
+
+What About libjpeg v9?
+----------------------
+
+libjpeg v9 introduced yet another field to the JPEG compression structure
+(color_transform), thus making the ABI backward incompatible with that of
+libjpeg v8.  This new field was introduced solely for the purpose of supporting
+lossless SmartScale encoding.  Further, there was actually no reason to extend
+the API in this manner, as the color transform could have just as easily been
+activated by way of a new JPEG colorspace constant, thus preserving backward
+ABI compatibility.
+
+Our research (see link above) has shown that lossless SmartScale does not
+generally accomplish anything that can't already be accomplished better with
+existing, standard lossless formats.  Thus, at this time, it is our belief that
+there is not sufficient technical justification for software to upgrade from
+libjpeg v8 to libjpeg v9, and therefore, not sufficient technical justification
+for us to emulate the libjpeg v9 ABI.
+
+=====================================
+In-Memory Source/Destination Managers
+=====================================
+
+By default, libjpeg-turbo 1.3 and later includes the jpeg_mem_src() and
+jpeg_mem_dest() functions, even when not emulating the libjpeg v8 API/ABI.
+Previously, it was necessary to build libjpeg-turbo from source with libjpeg v8
+API/ABI emulation in order to use the in-memory source/destination managers,
+but several projects requested that those functions be included when emulating
+the libjpeg v6b API/ABI as well.  This allows the use of those functions by
+programs that need them without breaking ABI compatibility for programs that
+don't, and it allows those functions to be provided in the "official"
+libjpeg-turbo binaries.
+
+Those who are concerned about maintaining strict conformance with the libjpeg
+v6b or v7 API can pass an argument of --without-mem-srcdst to configure or
+an argument of -DWITH_MEM_SRCDST=0 to CMake prior to building libjpeg-turbo.
+This will restore the pre-1.3 behavior, in which jpeg_mem_src() and
+jpeg_mem_dest() are only included when emulating the libjpeg v8 API/ABI.
+
+On Un*x systems, including the in-memory source/destination managers changes
+the dynamic library version from 62.0.0 to 62.1.0 if using libjpeg v6b API/ABI
+emulation and from 7.0.0 to 7.1.0 if using libjpeg v7 API/ABI emulation.
+
+Note that, on most Un*x systems, the dynamic linker will not look for a
+function in a library until that function is actually used.  Thus, if a program
+is built against libjpeg-turbo 1.3+ and uses jpeg_mem_src() or jpeg_mem_dest(),
+that program will not fail if run against an older version of libjpeg-turbo or
+against libjpeg v7- until the program actually tries to call jpeg_mem_src() or
+jpeg_mem_dest().  Such is not the case on Windows.  If a program is built
+against the libjpeg-turbo 1.3+ DLL and uses jpeg_mem_src() or jpeg_mem_dest(),
+then it must use the libjpeg-turbo 1.3+ DLL at run time.
+
+Both cjpeg and djpeg have been extended to allow testing the in-memory
+source/destination manager functions.  See their respective man pages for more
+details.
+
+
+*******************************************************************************
+**     Mathematical Compatibility
+*******************************************************************************
+
+For the most part, libjpeg-turbo should produce identical output to libjpeg
+v6b.  The one exception to this is when using the floating point DCT/IDCT, in
+which case the outputs of libjpeg v6b and libjpeg-turbo are not guaranteed to
+be identical (the accuracy of the floating point DCT/IDCT is constant when
+using libjpeg-turbo's SIMD extensions, but otherwise, it can depend heavily on
+the compiler and compiler settings.)
+
+While libjpeg-turbo does emulate the libjpeg v8 API/ABI, under the hood, it is
+still using the same algorithms as libjpeg v6b, so there are several specific
+cases in which libjpeg-turbo cannot be expected to produce the same output as
+libjpeg v8:
+
+-- When decompressing using scaling factors of 1/2 and 1/4, because libjpeg v8
+   implements those scaling algorithms a bit differently than libjpeg v6b does,
+   and libjpeg-turbo's SIMD extensions are based on the libjpeg v6b behavior.
+
+-- When using chrominance subsampling, because libjpeg v8 implements this
+   with its DCT/IDCT scaling algorithms rather than with a separate
+   downsampling/upsampling algorithm.
+
+-- When using the floating point IDCT, for the reasons stated above and also
+   because the floating point IDCT algorithm was modified in libjpeg v8a to
+   improve accuracy.
+
+-- When decompressing using a scaling factor > 1 and merged (AKA "non-fancy" or
+   "non-smooth") chrominance upsampling, because libjpeg v8 does not support
+   merged upsampling with scaling factors > 1.
+
+
+*******************************************************************************
+**     Performance Pitfalls
+*******************************************************************************
+
+===============
+Restart Markers
+===============
+
+The optimized Huffman decoder in libjpeg-turbo does not handle restart markers
+in a way that makes the rest of the libjpeg infrastructure happy, so it is
+necessary to use the slow Huffman decoder when decompressing a JPEG image that
+has restart markers.  This can cause the decompression performance to drop by
+as much as 20%, but the performance will still be much greater than that of
+libjpeg.  Many consumer packages, such as PhotoShop, use restart markers when
+generating JPEG images, so images generated by those programs will experience
+this issue.
+
+===============================================
+Fast Integer Forward DCT at High Quality Levels
+===============================================
+
+The algorithm used by the SIMD-accelerated quantization function cannot produce
+correct results whenever the fast integer forward DCT is used along with a JPEG
+quality of 98-100.  Thus, libjpeg-turbo must use the non-SIMD quantization
+function in those cases.  This causes performance to drop by as much as 40%.
+It is therefore strongly advised that you use the slow integer forward DCT
+whenever encoding images with a JPEG quality of 98 or higher.

acinclude.m4

@@ -3,7 +3,7 @@
 # Check that NASM exists and determine flags
 AC_DEFUN([AC_PROG_NASM],[
 
-AC_CHECK_PROGS(NASM, [nasm nasmw])
+AC_CHECK_PROGS(NASM, [nasm nasmw yasm])
 test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found])
 
 AC_MSG_CHECKING([for object file format of host system])
@@ -40,11 +40,18 @@ case "$host_os" in
         ;;
     esac
   ;;
-  freebsd* | netbsd* | openbsd*)
+  kfreebsd* | freebsd* | netbsd* | openbsd*)
     if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
       objfmt='BSD-a.out'
     else
-      objfmt='ELF'
+      case "$host_cpu" in
+        x86_64 | amd64)
+          objfmt='ELF64'
+          ;;
+        *)
+          objfmt='ELF'
+          ;;
+      esac
     fi
   ;;
   solaris* | sunos* | sysv* | sco*)
@@ -127,3 +134,49 @@ else
 fi
 
 ])
+
+# AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE
+# --------------------------
+# Test whether the assembler is suitable and supports NEON instructions
+AC_DEFUN([AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE],[
+  ac_good_gnu_arm_assembler=no
+  ac_save_CC="$CC"
+  ac_save_CFLAGS="$CFLAGS"
+  CFLAGS="$CCASFLAGS -x assembler-with-cpp"
+  CC="$CCAS"
+  AC_COMPILE_IFELSE([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
+])

bmp.c

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

bmp.h

@@ -1,48 +1,42 @@
-/* Copyright (C)2004 Landmark Graphics Corporation
- * Copyright (C)2005 Sun Microsystems, Inc.
+/*
+ * Copyright (C)2011 D. R. Commander.  All Rights Reserved.
  *
- * This library is free software and may be redistributed and/or modified under
- * the terms of the wxWindows Library License, Version 3.1 or (at your option)
- * any later version.  The full license is in the LICENSE.txt file included
- * with this distribution.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
  *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * wxWindows Library License for more details.
-*/
-
-// This provides rudimentary facilities for loading and saving true color
-// BMP and PPM files
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * - Neither the name of the libjpeg-turbo Project nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
 
 #ifndef __BMP_H__
 #define __BMP_H__
 
-#define BMPPIXELFORMATS 6
-enum BMPPIXELFORMAT {BMP_RGB=0, BMP_RGBA, BMP_BGR, BMP_BGRA, BMP_ABGR, BMP_ARGB};
+#include "./turbojpeg.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+int loadbmp(char *filename, unsigned char **buf, int *w, int *h, int pf,
+	int bottomup);
 
-// This will load a Windows bitmap from a file and return a buffer with the
-// specified pixel format, scanline alignment, and orientation.  The width and
-// height are returned in w and h.
-
-int loadbmp(char *filename, unsigned char **buf, int *w, int *h,
-	enum BMPPIXELFORMAT f, int align, int dstbottomup);
-
-// This will save a buffer with the specified pixel format, pitch, orientation,
-// width, and height as a 24-bit Windows bitmap or PPM (the filename determines
-// which format to use)
-
-int savebmp(char *filename, unsigned char *buf, int w, int h,
-	enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup);
+int savebmp(char *filename, unsigned char *buf, int w, int h, int pf,
+	int bottomup);
 
 const char *bmpgeterr(void);
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif

cderror.h

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

cdjpeg.h

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

change.log

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

cjpeg.1

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

cjpeg.c

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

cmakescripts/md5cmp.cmake

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

cmakescripts/testclean.cmake

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

coderules.txt

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

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.56])
-AC_INIT([libjpeg-turbo], [0.0.91])
+AC_INIT([libjpeg-turbo], [1.3.1])
 BUILD=`date +%Y%m%d`
 
 AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
@@ -10,46 +10,79 @@ AC_PREFIX_DEFAULT(/opt/libjpeg-turbo)
 
 # Always build with prototypes
 AC_DEFINE([HAVE_PROTOTYPES], 1, [Define if your compiler supports prototypes])
-# Don't use undefined types
-AC_DEFINE([INCOMPLETE_TYPES_BROKEN], 1, [Define if you want use complete types])
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 # Checks for programs.
 SAVED_CFLAGS=${CFLAGS}
-SAVED_CXXFLAGS=${CXXFLAGS}
+SAVED_CPPFLAGS=${CPPFLAGS}
 AC_PROG_CPP
 AC_PROG_CC
-AC_PROG_CXX
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+AM_PROG_AS
+AM_PROG_CC_C_O
 AC_PROG_INSTALL
 AC_PROG_LIBTOOL
 AC_PROG_LN_S
 
-AC_MSG_CHECKING([whether the linker supports version scripts])
-VERSION_SCRIPT=no
-LDVER=`$LD --help </dev/null 2>&1 | grep "\-\-version-script"`
-if test "$LDVER"; then
-  VERSION_SCRIPT=yes
-  VERSION_SCRIPT_FLAG=-Wl,--version-script,
-  AC_MSG_RESULT(yes)
-else
-  LDVER=`$LD --help </dev/null 2>&1 | grep "\-M"`
-  if test "$LDVER"; then
-    VERSION_SCRIPT=yes
-    VERSION_SCRIPT_FLAG=-Wl,-M,
-    AC_MSG_RESULT(yes)
-  else
-    AC_MSG_RESULT(no)
-  fi
+# 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
 
-AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
-AC_SUBST(VERSION_SCRIPT_FLAG)
+old_exec_prefix=${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${SAVED_CXXFLAGS}" = "x"; then
-    CXXFLAGS=-O3
+  if test "x${SAVED_CPPFLAGS}" = "x"; then
+    CPPFLAGS=-Wall
   fi
 fi
 
@@ -58,9 +91,6 @@ if test "x${SUNCC}" = "xyes"; then
   if test "x${SAVED_CFLAGS}" = "x"; then
     CFLAGS=-xO5
   fi
-  if test "x${SAVED_CXXFLAGS}" = "x"; then
-    CXXFLAGS=-xO5
-  fi
 fi
 
 # Checks for libraries.
@@ -68,7 +98,8 @@ fi
 # 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]))
+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
@@ -79,85 +110,364 @@ 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;
+  [#include <stdio.h>
+   int is_shifting_signed (long arg) {
+     long res = arg >> 4;
 
-	 if (res == -0x7F7E80CL)
-		return 1; /* right shift is signed */
+     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 */
+     /* 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.)])
+     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])])
+  [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_DEFINE([NEED_BSD_STRINGS], 1,
+     [Define if you have BSD-like bzero and bcopy])])
 
-# Set flags to indicate platform
-case "$host_os" in
-  cygwin* | mingw* | pw32* | interix*)
-    is_win32=1
-  ;;
-esac
-AM_CONDITIONAL([IS_WIN32], [test "x$is_win32" = "x1"])
+AC_MSG_CHECKING([libjpeg API version])
+AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)])
+if test "x$JPEG_LIB_VERSION" = "x"; then
+  AC_ARG_WITH([jpeg7],
+    AC_HELP_STRING([--with-jpeg7],
+      [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
+  AC_ARG_WITH([jpeg8],
+    AC_HELP_STRING([--with-jpeg8],
+      [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
+  if test "x${with_jpeg8}" = "xyes"; then
+    JPEG_LIB_VERSION=80
+  else
+    if test "x${with_jpeg7}" = "xyes"; then
+      JPEG_LIB_VERSION=70
+    else
+      JPEG_LIB_VERSION=62
+    fi
+  fi
+fi
+JPEG_LIB_VERSION_DECIMAL=`expr $JPEG_LIB_VERSION / 10`.`expr $JPEG_LIB_VERSION % 10`
+AC_SUBST(JPEG_LIB_VERSION_DECIMAL)
+AC_MSG_RESULT([$JPEG_LIB_VERSION_DECIMAL])
+AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION],
+  [libjpeg API version])
+
+AC_ARG_VAR(SO_MAJOR_VERSION,
+  [Major version of the libjpeg-turbo shared library (default is determined by the API version)])
+AC_ARG_VAR(SO_MINOR_VERSION,
+  [Minor version of the libjpeg-turbo shared library (default is determined by the API version)])
+if test "x$SO_MAJOR_VERSION" = "x"; then
+  case "$JPEG_LIB_VERSION" in
+    62)  SO_MAJOR_VERSION=$JPEG_LIB_VERSION ;;
+    *)   SO_MAJOR_VERSION=`expr $JPEG_LIB_VERSION / 10` ;;
+  esac
+fi
+if test "x$SO_MINOR_VERSION" = "x"; then
+  case "$JPEG_LIB_VERSION" in
+    80)  SO_MINOR_VERSION=2 ;;
+    *)   SO_MINOR_VERSION=0 ;;
+  esac
+fi
+
+RPM_CONFIG_ARGS=
+
+# Memory source/destination managers
+SO_AGE=0
+MEM_SRCDST_FUNCTIONS=
+if test "x${with_jpeg8}" != "xyes"; then
+  AC_MSG_CHECKING([whether to include in-memory source/destination managers])
+  AC_ARG_WITH([mem-srcdst],
+    AC_HELP_STRING([--without-mem-srcdst],
+      [Do not include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI]))
+  if test "x$with_mem_srcdst" != "xno"; then
+    AC_MSG_RESULT(yes)
+    AC_DEFINE([MEM_SRCDST_SUPPORTED], [1],
+      [Support in-memory source/destination managers])
+    SO_AGE=1
+    MEM_SRCDST_FUNCTIONS="global:  jpeg_mem_dest;  jpeg_mem_src;";
+  else
+    AC_MSG_RESULT(no)
+    RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-mem-srcdst"
+  fi
+fi
+
+AC_MSG_CHECKING([libjpeg shared library version])
+AC_MSG_RESULT([$SO_MAJOR_VERSION.$SO_AGE.$SO_MINOR_VERSION])
+LIBTOOL_CURRENT=`expr $SO_MAJOR_VERSION + $SO_AGE`
+AC_SUBST(LIBTOOL_CURRENT)
+AC_SUBST(SO_MAJOR_VERSION)
+AC_SUBST(SO_MINOR_VERSION)
+AC_SUBST(SO_AGE)
+AC_SUBST(MEM_SRCDST_FUNCTIONS)
+
+AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION, [$VERSION], [libjpeg-turbo version])
+
+VERSION_SCRIPT=yes
+AC_ARG_ENABLE([ld-version-script],
+  AS_HELP_STRING([--disable-ld-version-script],
+    [Disable linker version script for libjpeg-turbo (default is to use linker version script if the linker supports it)]),
+  [VERSION_SCRIPT=$enableval], [])
+
+AC_MSG_CHECKING([whether the linker supports version scripts])
+SAVED_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -Wl,--version-script,conftest.map"
+cat > conftest.map <<EOF
+VERS_1 {
+  global: *;
+};
+EOF
+AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+  [VERSION_SCRIPT_FLAG=-Wl,--version-script,;
+   AC_MSG_RESULT([yes (GNU style)])],
+  [])
+if test "x$VERSION_SCRIPT_FLAG" = "x"; then
+  LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map"
+  AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+    [VERSION_SCRIPT_FLAG=-Wl,-M,;
+     AC_MSG_RESULT([yes (Sun style)])],
+    [])
+fi
+if test "x$VERSION_SCRIPT_FLAG" = "x"; then
+  VERSION_SCRIPT=no
+  AC_MSG_RESULT(no)
+fi
+LDFLAGS="$SAVED_LDFLAGS"
+
+AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo])
+AC_MSG_RESULT($VERSION_SCRIPT)
+
+AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
+AC_SUBST(VERSION_SCRIPT_FLAG)
+
+# Check for non-broken inline under various spellings
+AC_MSG_CHECKING(for inline)
+ljt_cv_inline=""
+AC_TRY_COMPILE(, [} __attribute__((always_inline)) int foo() { return 0; }
+int bar() { return foo();], ljt_cv_inline="inline __attribute__((always_inline))",
+AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; }
+int bar() { return foo();], ljt_cv_inline="__inline__",
+AC_TRY_COMPILE(, [} __inline int foo() { return 0; }
+int bar() { return foo();], ljt_cv_inline="__inline",
+AC_TRY_COMPILE(, [} inline int foo() { return 0; }
+int bar() { return foo();], ljt_cv_inline="inline"))))
+AC_MSG_RESULT($ljt_cv_inline)
+AC_DEFINE_UNQUOTED([INLINE],[$ljt_cv_inline],[How to obtain function inlining.])
+
+# Arithmetic coding support
+AC_MSG_CHECKING([whether to include arithmetic encoding support])
+AC_ARG_WITH([arith-enc],
+  AC_HELP_STRING([--without-arith-enc],
+    [Do not include arithmetic encoding support]))
+if test "x$with_arith_enc" = "xno"; then
+  AC_MSG_RESULT(no)
+  RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-enc"
+else
+  AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
+  AC_MSG_RESULT(yes)
+fi
+AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
+
+AC_MSG_CHECKING([whether to include arithmetic decoding support])
+AC_ARG_WITH([arith-dec],
+  AC_HELP_STRING([--without-arith-dec],
+    [Do not include arithmetic decoding support]))
+if test "x$with_arith_dec" = "xno"; then
+  AC_MSG_RESULT(no)
+  RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-dec"
+else
+  AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding])
+  AC_MSG_RESULT(yes)
+fi
+AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"])
+
+AM_CONDITIONAL([WITH_ARITH],
+  [test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"])
+
+# TurboJPEG support
+AC_MSG_CHECKING([whether to build TurboJPEG C wrapper])
+AC_ARG_WITH([turbojpeg],
+  AC_HELP_STRING([--without-turbojpeg],
+    [Do not include the TurboJPEG wrapper library and associated test programs]))
+if test "x$with_turbojpeg" = "xno"; then
+  AC_MSG_RESULT(no)
+  RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-turbojpeg"
+else
+  AC_MSG_RESULT(yes)
+fi
+
+# Java support
+AC_ARG_VAR(JAVAC, [Java compiler command (default: javac)])
+if test "x$JAVAC" = "x"; then
+  JAVAC=javac
+fi
+AC_SUBST(JAVAC)
+AC_ARG_VAR(JAVACFLAGS, [Java compiler flags])
+AC_SUBST(JAVACFLAGS)
+AC_ARG_VAR(JAR, [Java archive command (default: jar)])
+if test "x$JAR" = "x"; then
+  JAR=jar
+fi
+AC_SUBST(JAR)
+AC_ARG_VAR(JAVA, [Java runtime command (default: java)])
+if test "x$JAVA" = "x"; then
+  JAVA=java
+fi
+AC_SUBST(JAVA)
+AC_ARG_VAR(JNI_CFLAGS,
+  [C compiler flags needed to include jni.h (default: -I/System/Library/Frameworks/JavaVM.framework/Headers on OS X, '-I/usr/java/include -I/usr/java/include/solaris' on Solaris, and '-I/usr/java/default/include -I/usr/java/default/include/linux' on Linux)])
+
+AC_MSG_CHECKING([whether to build TurboJPEG Java wrapper])
+AC_ARG_WITH([java],
+  AC_HELP_STRING([--with-java], [Build Java wrapper for the TurboJPEG library]))
+if test "x$with_turbojpeg" = "xno"; then
+  with_java=no
+fi
+
+WITH_JAVA=0
+if test "x$with_java" = "xyes"; then
+  AC_MSG_RESULT(yes)
+
+  case $host_os in
+    darwin*)
+      DEFAULT_JNI_CFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers
+      ;;
+    solaris*)
+      DEFAULT_JNI_CFLAGS='-I/usr/java/include -I/usr/java/include/solaris'
+      ;;
+    linux*)
+      DEFAULT_JNI_CFLAGS='-I/usr/java/default/include -I/usr/java/default/include/linux'
+      ;;
+  esac
+  if test "x$JNI_CFLAGS" = "x"; then
+    JNI_CFLAGS=$DEFAULT_JNI_CFLAGS
+  fi
+
+  SAVE_CPPFLAGS=${CPPFLAGS}
+  CPPFLAGS="${CPPFLAGS} ${JNI_CFLAGS}"
+  AC_CHECK_HEADERS([jni.h], [DUMMY=1],
+    [AC_MSG_ERROR([Could not find JNI header file])])
+  CPPFLAGS=${SAVE_CPPFLAGS}
+  AC_SUBST(JNI_CFLAGS)
+
+  RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --with-java"
+  JAVA_RPM_CONTENTS_1='%dir %{_datadir}/classes'
+  JAVA_RPM_CONTENTS_2=%{_datadir}/classes/turbojpeg.jar
+  WITH_JAVA=1
+else
+  AC_MSG_RESULT(no)
+fi
+AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"])
+AC_SUBST(WITH_JAVA)
+AC_SUBST(JAVA_RPM_CONTENTS_1)
+AC_SUBST(JAVA_RPM_CONTENTS_2)
+
+# optionally force using gas-preprocessor.pl for compatibility testing
+AC_ARG_WITH([gas-preprocessor],
+  AC_HELP_STRING([--with-gas-preprocessor],
+    [Force using gas-preprocessor.pl on ARM.]))
+if test "x${with_gas_preprocessor}" = "xyes"; then
+  case $host_os in
+    darwin*)
+      CCAS="gas-preprocessor.pl -fix-unreq $CC"
+      ;;
+    *)
+      CCAS="gas-preprocessor.pl -no-fix-unreq $CC"
+      ;;
+  esac
+  AC_SUBST([CCAS])
+fi
 
 # SIMD is optional
 AC_ARG_WITH([simd],
-    AC_HELP_STRING([--without-simd],[Omit accelerated SIMD routines.]))
+  AC_HELP_STRING([--without-simd], [Do not include SIMD extensions]))
 if test "x${with_simd}" != "xno"; then
+  require_simd=no
+  if test "x${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 "$host_cpu" in
-    x86_64)
+    x86_64 | amd64)
       AC_MSG_RESULT([yes (x86_64)])
       AC_PROG_NASM
       simd_arch=x86_64
-    ;;
+      ;;
     i*86 | x86 | ia32)
       AC_MSG_RESULT([yes (i386)])
       AC_PROG_NASM
       simd_arch=i386
-    ;;
+      ;;
+    arm*)
+      AC_MSG_RESULT([yes (arm)])
+      AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
+      AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE(
+        [AC_MSG_RESULT([yes])
+         simd_arch=arm],
+        [AC_MSG_RESULT([no])
+         with_simd=no])
+      if test "x${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")])
-      AC_MSG_ERROR([CPU is not supported])
-    ;;
+      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$simd_arch" = "xx86_64"])
-AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "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 "$host_cpu" in
   x86_64)
@@ -171,8 +481,10 @@ case "$host_cpu" in
 esac
 
 AC_SUBST(RPMARCH)
+AC_SUBST(RPM_CONFIG_ARGS)
 AC_SUBST(DEBARCH)
 AC_SUBST(BUILD)
+AC_DEFINE_UNQUOTED([BUILD], "$BUILD", [Build number])
 
 # jconfig.h is the file we use, but we have another before that to
 # fool autoheader. the reason is that we include this header in our
@@ -180,5 +492,22 @@ AC_SUBST(BUILD)
 # jconfig.h is a minimal version that allows this package to be built
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_HEADERS([jconfig.h])
+AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec.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_OUTPUT

djpeg.1

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

djpeg.c

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

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+   <div id="projectname">TurboJPEG
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+
+#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;
+}
+

doc/html/search/search.js

@@ -0,0 +1,809 @@
+// 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='&#8226;';
+        }
+        else
+        {
+          node.innerHTML='&#160;';
+        }
+        j++;
+      }
+    }
+  }
+
+  // Called when an search filter selection is made.
+  // set item with index id as the active item
+  this.OnSelectItem = function(id)
+  {
+    this.searchIndex = id;
+    this.SelectItemSet(id);
+    var searchValue = this.DOMSearchField().value.replace(/ +/g, "");
+    if (searchValue!="" && this.searchActive) // something was found -> do a search
+    {
+      this.Search();
+    }
+  }
+
+  this.OnSearchSelectKey = function(evt)
+  {
+    var e = (evt) ? evt : window.event; // for IE
+    if (e.keyCode==40 && this.searchIndex<this.SelectItemCount()) // Down
+    {
+      this.searchIndex++;
+      this.OnSelectItem(this.searchIndex);
+    }
+    else if (e.keyCode==38 && this.searchIndex>0) // Up
+    {
+      this.searchIndex--;
+      this.OnSelectItem(this.searchIndex);
+    }
+    else if (e.keyCode==13 || e.keyCode==27)
+    {
+      this.OnSelectItem(this.searchIndex);
+      this.CloseSelectionWindow();
+      this.DOMSearchField().focus();
+    }
+    return false;
+  }
+
+  // --------- Actions
+
+  // Closes the results window.
+  this.CloseResultsWindow = function()
+  {
+    this.DOMPopupSearchResultsWindow().style.display = 'none';
+    this.DOMSearchClose().style.display = 'none';
+    this.Activate(false);
+  }
+
+  this.CloseSelectionWindow = function()
+  {
+    this.DOMSearchSelectWindow().style.display = 'none';
+  }
+
+  // Performs a search.
+  this.Search = function()
+  {
+    this.keyTimeout = 0;
+
+    // strip leading whitespace
+    var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
+
+    var code = searchValue.toLowerCase().charCodeAt(0);
+    var hexCode;
+    if (code<16) 
+    {
+      hexCode="0"+code.toString(16);
+    }
+    else 
+    {
+      hexCode=code.toString(16);
+    }
+
+    var resultsPage;
+    var resultsPageWithSearch;
+    var hasResultsPage;
+
+    if (indexSectionsWithContent[this.searchIndex].charAt(code) == '1')
+    {
+       resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';
+       resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
+       hasResultsPage = true;
+    }
+    else // nothing available for this search term
+    {
+       resultsPage = this.resultsPath + '/nomatches.html';
+       resultsPageWithSearch = resultsPage;
+       hasResultsPage = false;
+    }
+
+    window.frames.MSearchResults.location = 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);
+  }
+}
+

doc/html/search/typedefs_74.html

@@ -0,0 +1,26 @@
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+<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"><!--
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+<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>

doc/html/search/typedefs_74.js

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+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']]]
+];

doc/html/search/variables_63.html

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+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta name="generator" content="Doxygen 1.8.3.1">
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+<script type="text/javascript" src="search.js"></script>
+</head>
+<body class="SRPage">
+<div id="SRIndex">
+<div class="SRStatus" id="Loading">Loading...</div>
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+<script type="text/javascript"><!--
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+<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>

doc/html/search/variables_63.js

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+var searchData=
+[
+  ['customfilter',['customFilter',['../structtjtransform.html#a43ee1bcdd2a8d7249a756774f78793c1',1,'tjtransform']]]
+];

doc/html/search/variables_64.html

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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html><head><title></title>
+<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
+<meta name="generator" content="Doxygen 1.8.3.1">
+<link rel="stylesheet" type="text/css" href="search.css"/>
+<script type="text/javascript" src="variables_64.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>
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+<div class="SRStatus" id="NoMatches">No Matches</div>
+<script type="text/javascript"><!--
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+document.getElementById("NoMatches").style.display="none";
+var searchResults = new SearchResults("searchResults");
+searchResults.Search();
+--></script>
+</div>
+</body>
+</html>

doc/html/search/variables_64.js

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+[
+  ['data',['data',['../structtjtransform.html#a688fe8f1a8ecc12a538d9e561cf338e3',1,'tjtransform']]],
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+];