kc3-lang/libjpeg-turbo/release/installer.nsi.in
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Hash : e8b40f3c
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Date : 2022-11-01T21:45:39
Vastly improve 12-bit JPEG integration The Gordian knot that 7fec5074f962b20ed00b4f5da4533e1e8d4ed8ac attempted to unravel was caused by the fact that there are several data-precision-dependent (JSAMPLE-dependent) fields and methods in the exposed libjpeg API structures, and if you change the exposed libjpeg API structures, then you have to change the whole API. If you change the whole API, then you have to provide a whole new library to support the new API, and that makes it difficult to support multiple data precisions in the same application. (It is not impossible, as example.c demonstrated, but using data-precision-dependent libjpeg API structures would have made the cjpeg, djpeg, and jpegtran source code hard to read, so it made more sense to build, install, and package 12-bit-specific versions of those applications.) Unfortunately, the result of that initial integration effort was an unreadable and unmaintainable mess, which is a problem for a library that is an ISO/ITU-T reference implementation. Also, as I dug into the problem of lossless JPEG support, I realized that 16-bit lossless JPEG images are a thing, and supporting yet another version of the libjpeg API just for those images is untenable. In fact, however, the touch points for JSAMPLE in the exposed libjpeg API structures are minimal: - The colormap and sample_range_limit fields in jpeg_decompress_struct - The alloc_sarray() and access_virt_sarray() methods in jpeg_memory_mgr - jpeg_write_scanlines() and jpeg_write_raw_data() - jpeg_read_scanlines() and jpeg_read_raw_data() - jpeg_skip_scanlines() and jpeg_crop_scanline() (This is subtle, but both of those functions use JSAMPLE-dependent opaque structures behind the scenes.) It is much more readable and maintainable to provide 12-bit-specific versions of those six top-level API functions and to document that the aforementioned methods and fields must be type-cast when using 12-bit samples. Since that eliminates the need to provide a 12-bit-specific version of the exposed libjpeg API structures, we can: - Compile only the precision-dependent libjpeg modules (the coefficient buffer controllers, the colorspace converters, the DCT/IDCT managers, the main buffer controllers, the preprocessing and postprocessing controller, the downsampler and upsamplers, the quantizers, the integer DCT methods, and the IDCT methods) for multiple data precisions. - Introduce 12-bit-specific methods into the various internal structures defined in jpegint.h. - Create precision-independent data type, macro, method, field, and function names that are prefixed by an underscore, and use an internal header to convert those into precision-dependent data type, macro, method, field, and function names, based on the value of BITS_IN_JSAMPLE, when compiling the precision-dependent libjpeg modules. - Expose precision-dependent jinit*() functions for each of the precision-dependent libjpeg modules. - Abstract the precision-dependent libjpeg modules by calling the appropriate precision-dependent jinit*() function, based on the value of cinfo->data_precision, from top-level libjpeg API functions.
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release/installer.nsi.in
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!include x64.nsh Name "@CMAKE_PROJECT_NAME@ SDK for @INST_PLATFORM@" OutFile "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}@INST_NAME@.exe" InstallDir "@INST_DIR@" SetCompressor bzip2 Page directory Page instfiles UninstPage uninstConfirm UninstPage instfiles Section "@CMAKE_PROJECT_NAME@ SDK for @INST_PLATFORM@ (required)" !ifdef WIN64 ${If} ${RunningX64} ${DisableX64FSRedirection} ${Endif} !endif SectionIn RO !ifdef GCC IfFileExists $SYSDIR/libturbojpeg.dll exists 0 !else IfFileExists $SYSDIR/turbojpeg.dll exists 0 !endif goto notexists exists: !ifdef GCC MessageBox MB_OK "An existing version of the @CMAKE_PROJECT_NAME@ SDK for @INST_PLATFORM@ is already installed. Please uninstall it first." !else MessageBox MB_OK "An existing version of the @CMAKE_PROJECT_NAME@ SDK for @INST_PLATFORM@ or the TurboJPEG SDK is already installed. Please uninstall it first." !endif quit notexists: SetOutPath $SYSDIR !ifdef GCC File "@CMAKE_CURRENT_BINARY_DIR@\libturbojpeg.dll" !else File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}turbojpeg.dll" !endif SetOutPath $INSTDIR\bin !ifdef GCC File "@CMAKE_CURRENT_BINARY_DIR@\libturbojpeg.dll" !else File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}turbojpeg.dll" !endif !ifdef GCC File "@CMAKE_CURRENT_BINARY_DIR@\libjpeg-@SO_MAJOR_VERSION@.dll" !else File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}jpeg@SO_MAJOR_VERSION@.dll" !endif File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}cjpeg.exe" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}djpeg.exe" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}jpegtran.exe" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}tjbench.exe" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}rdjpgcom.exe" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}wrjpgcom.exe" SetOutPath $INSTDIR\lib !ifdef GCC File "@CMAKE_CURRENT_BINARY_DIR@\libturbojpeg.dll.a" File "@CMAKE_CURRENT_BINARY_DIR@\libturbojpeg.a" File "@CMAKE_CURRENT_BINARY_DIR@\libjpeg.dll.a" File "@CMAKE_CURRENT_BINARY_DIR@\libjpeg.a" !else File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}turbojpeg.lib" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}turbojpeg-static.lib" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}jpeg.lib" File "@CMAKE_CURRENT_BINARY_DIR@\${BUILDDIR}jpeg-static.lib" !endif SetOutPath $INSTDIR\lib\pkgconfig File "@CMAKE_CURRENT_BINARY_DIR@\pkgscripts\libjpeg.pc" File "@CMAKE_CURRENT_BINARY_DIR@\pkgscripts\libturbojpeg.pc" SetOutPath $INSTDIR\lib\cmake\@CMAKE_PROJECT_NAME@ File "@CMAKE_CURRENT_BINARY_DIR@\pkgscripts\@CMAKE_PROJECT_NAME@Config.cmake" File "@CMAKE_CURRENT_BINARY_DIR@\pkgscripts\@CMAKE_PROJECT_NAME@ConfigVersion.cmake" File "@CMAKE_CURRENT_BINARY_DIR@\win\@CMAKE_PROJECT_NAME@Targets.cmake" File "@CMAKE_CURRENT_BINARY_DIR@\win\@CMAKE_PROJECT_NAME@Targets-release.cmake" !ifdef JAVA SetOutPath $INSTDIR\classes File "@CMAKE_CURRENT_BINARY_DIR@\java\turbojpeg.jar" !endif SetOutPath $INSTDIR\include File "@CMAKE_CURRENT_BINARY_DIR@\jconfig.h" File "@CMAKE_CURRENT_SOURCE_DIR@\jerror.h" File "@CMAKE_CURRENT_SOURCE_DIR@\jmorecfg.h" File "@CMAKE_CURRENT_SOURCE_DIR@\jpeglib.h" File "@CMAKE_CURRENT_SOURCE_DIR@\turbojpeg.h" SetOutPath $INSTDIR\doc File "@CMAKE_CURRENT_SOURCE_DIR@\README.ijg" File "@CMAKE_CURRENT_SOURCE_DIR@\README.md" File "@CMAKE_CURRENT_SOURCE_DIR@\LICENSE.md" File "@CMAKE_CURRENT_SOURCE_DIR@\example.c" File "@CMAKE_CURRENT_SOURCE_DIR@\libjpeg.txt" File "@CMAKE_CURRENT_SOURCE_DIR@\structure.txt" File "@CMAKE_CURRENT_SOURCE_DIR@\usage.txt" File "@CMAKE_CURRENT_SOURCE_DIR@\wizard.txt" File "@CMAKE_CURRENT_SOURCE_DIR@\tjexample.c" File "@CMAKE_CURRENT_SOURCE_DIR@\java\TJExample.java" !ifdef GCC SetOutPath $INSTDIR\man\man1 File "@CMAKE_CURRENT_SOURCE_DIR@\cjpeg.1" File "@CMAKE_CURRENT_SOURCE_DIR@\djpeg.1" File "@CMAKE_CURRENT_SOURCE_DIR@\jpegtran.1" File "@CMAKE_CURRENT_SOURCE_DIR@\rdjpgcom.1" File "@CMAKE_CURRENT_SOURCE_DIR@\wrjpgcom.1" !endif WriteRegStr HKLM "SOFTWARE\@INST_REG_NAME@ @VERSION@" "Install_Dir" "$INSTDIR" WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\@INST_REG_NAME@ @VERSION@" "DisplayName" "@CMAKE_PROJECT_NAME@ SDK v@VERSION@ for @INST_PLATFORM@" WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\@INST_REG_NAME@ @VERSION@" "UninstallString" '"$INSTDIR\uninstall_@VERSION@.exe"' WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\@INST_REG_NAME@ @VERSION@" "NoModify" 1 WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\@INST_REG_NAME@ @VERSION@" "NoRepair" 1 WriteUninstaller "uninstall_@VERSION@.exe" SectionEnd Section "Uninstall" !ifdef WIN64 ${If} ${RunningX64} ${DisableX64FSRedirection} ${Endif} !endif SetShellVarContext all DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\@INST_REG_NAME@ @VERSION@" DeleteRegKey HKLM "SOFTWARE\@INST_REG_NAME@ @VERSION@" !ifdef GCC Delete $INSTDIR\bin\libjpeg-@SO_MAJOR_VERSION@.dll Delete $INSTDIR\bin\libturbojpeg.dll Delete $SYSDIR\libturbojpeg.dll Delete $INSTDIR\lib\libturbojpeg.dll.a Delete $INSTDIR\lib\libturbojpeg.a Delete $INSTDIR\lib\libjpeg.dll.a Delete $INSTDIR\lib\libjpeg.a !else Delete $INSTDIR\bin\jpeg@SO_MAJOR_VERSION@.dll Delete $INSTDIR\bin\turbojpeg.dll Delete $SYSDIR\turbojpeg.dll Delete $INSTDIR\lib\jpeg.lib Delete $INSTDIR\lib\jpeg-static.lib Delete $INSTDIR\lib\turbojpeg.lib Delete $INSTDIR\lib\turbojpeg-static.lib !endif Delete $INSTDIR\lib\pkgconfig\libjpeg.pc Delete $INSTDIR\lib\pkgconfig\libturbojpeg.pc Delete $INSTDIR\lib\cmake\@CMAKE_PROJECT_NAME@\@CMAKE_PROJECT_NAME@Config.cmake Delete $INSTDIR\lib\cmake\@CMAKE_PROJECT_NAME@\@CMAKE_PROJECT_NAME@ConfigVersion.cmake Delete $INSTDIR\lib\cmake\@CMAKE_PROJECT_NAME@\@CMAKE_PROJECT_NAME@Targets.cmake Delete $INSTDIR\lib\cmake\@CMAKE_PROJECT_NAME@\@CMAKE_PROJECT_NAME@Targets-release.cmake !ifdef JAVA Delete $INSTDIR\classes\turbojpeg.jar !endif Delete $INSTDIR\bin\cjpeg.exe Delete $INSTDIR\bin\djpeg.exe Delete $INSTDIR\bin\jpegtran.exe Delete $INSTDIR\bin\tjbench.exe Delete $INSTDIR\bin\rdjpgcom.exe Delete $INSTDIR\bin\wrjpgcom.exe Delete $INSTDIR\include\jconfig.h Delete $INSTDIR\include\jerror.h Delete $INSTDIR\include\jmorecfg.h Delete $INSTDIR\include\jpeglib.h Delete $INSTDIR\include\turbojpeg.h Delete $INSTDIR\uninstall_@VERSION@.exe Delete $INSTDIR\doc\README.ijg Delete $INSTDIR\doc\README.md Delete $INSTDIR\doc\LICENSE.md Delete $INSTDIR\doc\example.c Delete $INSTDIR\doc\libjpeg.txt Delete $INSTDIR\doc\structure.txt Delete $INSTDIR\doc\usage.txt Delete $INSTDIR\doc\wizard.txt Delete $INSTDIR\doc\tjexample.c Delete $INSTDIR\doc\TJExample.java !ifdef GCC Delete $INSTDIR\man\man1\cjpeg.1 Delete $INSTDIR\man\man1\djpeg.1 Delete $INSTDIR\man\man1\jpegtran.1 Delete $INSTDIR\man\man1\rdjpgcom.1 Delete $INSTDIR\man\man1\wrjpgcom.1 !endif RMDir "$INSTDIR\include" RMDir "$INSTDIR\lib\pkgconfig" RMDir "$INSTDIR\lib\cmake\@CMAKE_PROJECT_NAME@" RMDir "$INSTDIR\lib\cmake" RMDir "$INSTDIR\lib" RMDir "$INSTDIR\doc" !ifdef GCC RMDir "$INSTDIR\man\man1" RMDir "$INSTDIR\man" !endif !ifdef JAVA RMDir "$INSTDIR\classes" !endif RMDir "$INSTDIR\bin" RMDir "$INSTDIR" SectionEnd