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//usr/share/doc/OpenEXR-libs-1.6.1/ChangeLog
Version 1.6.1: * Removed Windows .suo files from distribution. (Eric Wimmer) * Bug fix: crashes, memory leaks and file descriptor leaks when reading damaged image files (some reported by Apple, others found by running IlmImfFuzzTest). (Florian Kainz) * Added new IlmImfFuzzTest program to test how resilient the IlmImf library is with respect broken input files: the program first damages OpenEXR files by partially overwriting them with random data; then it tries to read the damaged files. If all goes well, the program doesn't crash. (Florian Kainz) Version 1.6.0: * Bumped DSO version number to 6.0 (Florian Kainz) * Added new standard attributes related to color rendering with CTL (Color Transformation Language): renderingTransform, lookModTransform and adoptedNeutral. (Florian Kainz) * Bug fix: for pixels with luminance near HALF_MIN, conversion from RGB to luminance/chroma produces NaNs and infinities (Florian Kainz) * Bug fix: excessive desaturation of small details with certain colors after repeatedly loading and saving luminance/chroma encoded images with B44 compression. (Florian Kainz) * Added B44A compression, a minor variation of B44: in most cases, the compression ratio is 2.28:1, the same as with B44, but in uniform image areas where all pixels have the same value, the compression ratio increases to 10.66:1. Uniform areas occur, for example, in an image's alpha channel, which typically contains large patches that are solid black or white, or in computer- generated images with a black background. (Florian Kainz) * Added flag to configure.ac to enable or disable use of large auto arrays in the IlmImf library. Default is "enable" for Linux, "disable" for everything else. (Darby Johnston, Florian Kainz) * corrected version number on dso's (libtool) - now 5.0 * Separated ILMBASE_LDFLAGS and ILMBASE_LIBS so that test programs can link with static libraries properly * eliminated some warning messages during install (Andrew Kunz) Version 1.5.0: * reorganized packaging of OpenEXR libraries to facilitate integration with CTL. Now this library depends on the library IlmBase. Some functionality has been moved into OpenEXR_Viewers, which depends on two other libraries, CTL and OpenEXR_CTL. Note: previously there were separate releases of OpenEXR-related plugins for Renderman, Shake and Photoshop. OpenEXR is supported natively by Rendermand and Photoshop, so these plugins will not be supported for this or future versions of OpenEXR. (Andrew Kunz) * New build scripts for Linux/Unix (Andrew Kunz) * New Windows project files and build scripts (Kimball Thurston) * float-to-half conversion now preserves the sign of float zeroes and of floats that are so small that they become half zeroes. (Florian Kainz) * Bug fix: Imath::Frustum<T>::planes() returns incorrect planes if the frustum is orthogonal. (Philip Hubbard) * added new framesPerSecond optional standard attribute (Florian Kainz) * Imath cleanup: - Rewrote function Imath::Quat<T>::setRotation() to make it numerically more accurate, added confidence tests - Rewrote function Imath::Quat<T>::slerp() using Don Hatch's method, which is numerically more accurate, added confidence tests. - Rewrote functions Imath::closestPoints(), Imath::intersect(), added confidence tests. - Removed broken function Imath::nearestPointOnTriangle(). - Rewrote Imath::drand48(), Imath::lrand48(), etc. to make them functionally identical with the Unix/Linux versions of drand48(), lrand48() and friends. - Replaced redundant definitions of Int64 in Imath and IlmImf with a single definition in ImathInt64.h. (Florian Kainz) * exrdisplay: if the file's and the display's RGB chromaticities differ, the pixels RGB values are transformed from the file's to the display's RGB space. (Florian Kainz) * Added new lossy B44 compression method. HALF channels are compressed with a fixed ratio of 2.28:1. UINT and FLOAT channels are stored verbatim, without compression. (Florian Kainz) Version 1.4.0a: * Fixed the ReleaseDLL targets for Visual Studio 2003. (Barnaby Robson) Version 1.4.0: * Production release. * Bug Fix: calling setFrameBuffer() for every scan line while reading a tiled file through the scan line API returns bad pixel data. (Paul Schneider, Florian Kainz) Version 1.3.1: * Fixed the ReleaseDLL targets for Visual Studio 2005. (Nick Porcino, Drew Hess) * Fixes/enhancements for createDLL. (Nick Porcino) Version 1.3.0: * Removed openexr.spec file, it's out of date and broken to boot. (Drew Hess) * Support for Visual Studio 2005. (Drew Hess, Nick Porcino) * When compiling against OpenEXR headers on Windows, you no longer need to define any HAVE_* or PLATFORM_* macros in your projects. If you are using any OpenEXR DLLs, however, you must define OPENEXR_DLL in your project's preprocessor directives. (Drew Hess) * Many fixes to the Windows VC7 build system. (Drew Hess, Nick Porcino) * Support for building universal binaries on OS X 10.4. (Drew Hess, Paul Schneider) * Minor configure.ac fix to accomodate OS X's automake. (Drew Hess) * Removed CPU-specific optimizations from configure.ac, autoconf's guess at the CPU type isn't very useful, anyway. Closes #13429. (Drew Hess) * Fixed quoting for tests in configure.ac. Closes #13428. (Drew Hess) * Use host specification instead of target in configure.ac. Closes #13427. (Drew Hess) * Fix use of AC_ARG_ENABLE in configure.ac. Closes #13426. (Drew Hess) * Removed workaround for OS X istream::read bug. (Drew Hess) * Added pthread support to OpenEXR pkg-config file. (Drew Hess) * Added -no-undefined to LDFLAGS and required libs to LIBADD for library projects with other library dependencies, per Rex Dieter's patch. (Drew Hess) * HAVE_* macros are now defined in the OpenEXRConfig.h header file instead of via compiler flags. There are a handful of public headers which rely on the value of these macros, and projects including these headers have previously needed to define the same macros and values as used by OpenEXR's 'configure', which is bad form. Now 'configure' writes these values to the OpenEXRConfig.h header file, which is included by any OpenEXR source files that need these macros. This method of specifying HAVE_* macros guarantees that projects will get the proper settings without needing to add compile- time flags to accomodate OpenEXR. Note that this isn't implemented properly for Windows yet. (Drew Hess) * Platform cleanups: - No more support for IRIX or OSF1. - No more explicit support for SunOS, because we have no way to verify that it's working. I suspect that newish versions of SunOS will just work out of the box, but let me know if not. - No more PLATFORM_* macros (vestiges of the ILM internal build system). PLATFORM_DARWIN_PPC is replaced by HAVE_DARWIN. PLATFORM_REDHAT_IA32 (which was only used in IlmImfTest) is replaced by HAVE_LINUX_PROCFS. - OS X 10.4, which is the minimum version we're going to support with this version, appears to have support for nrand48 and friends, so no need to use the Imath-supplied version of them anymore. (Drew Hess) * No more PLATFORM_WINDOWS or PLATFORM_WIN32, replace with proper standard Windows macros. (Drew Hess) * Remove support for gcc 2.95, no longer supported. (Drew Hess) * Eliminate HAVE_IOS_BASE macro, OpenEXR now requires support for ios_base. (Drew Hess) * Eliminate HAVE_STL_LIMITS macro, OpenEXR now requires the ISO C++ <limits> header. (Drew Hess) * Use double quote-style include dirctives for OpenEXR includes. (Drew Hess) * Added a document that gives an overview of the on-disk layout of OpenEXR files (Florian Kainz) * Added sections on layers and on memory-mapped file input to the documentation. (Florian Kainz) * Bug fix: reading an incomplete file causes a deadlock while waiting on a semaphore. (Florian Kainz) * Updated documentation (ReadingAndWritingImageFiles.sxw) and sample code (IlmImfExamples): Added a section about multi-threading, updated section on thread-safety, changed documentation and sample code to use readTiles()/writeTiles() instead of readTile()/writeTile() where possible, mentioned that environment maps contain redundant pixels, updated section on testing if a file is an OpenEXR file. (Florian Kainz) * Multi-threading bug fixes (exceptions could be thrown multiple times, some operations were not thread safe), updated some comments, added comments, more multithreaded testing. (Florian Kainz) * Added multi-threading support: multiple threads cooperate to read or write a single OpenEXR file. (Wojciech Jarosz) * Added operator== and operator!= to Imath::Frustum. (Andre Mazzone) * Bug fix: Reading a PIZ-compressed file with an invalid Huffman code table caused crashes by indexing off the end of an array. (Florian Kainz) Version 1.2.2: * Updated README to remove option for building with Visual C++ 6.0. (Drew Hess) * Some older versions of gcc don't support a full iomanip implemenation; check for this during configuration. (Drew Hess) * Install PDF versions of documentation, remove old/out-of-date HTML documentation. (Florian Kainz) * Removed vc/vc6 directory; Visual C++ 6.0 is no longer supported. (Drew Hess) * Updated README.win32 with details of new build system. (Florian Kainz, Drew Hess) * New build system for Windows / Visual C++ 7 builds both static libraries and DLLs. (Nick Porcino) * Removed Imath::TMatrix<T> and related classes, which are not used anywhere in OpenEXR. (Florian Kainz) * Added minimal support for "image layers" to class Imf::ChannelList (Florian Kainz) * Added new isComplete() method to InputFile, TiledInputFile etc., that checks if a file is complete or if any pixels are missing (for example, because writing the file was aborted prematurely). (Florian Kainz) * Exposed staticInitialize() function in ImfHeader.h in order to allow thread-safe library initialization in multithreaded programs. (Florian Kainz) * Added a new "time code" attribute (Florian Kainz) * exrmaketiled: when a MIPMAP_LEVELS or RIPMAP_LEVELS image is produced, low-pass filtering takes samples outside the image's data window. This requires extrapolating the image. The user can now specify how the image is extrapolated horizontally and vertically (image is surrounded by black / outermost row of pixels repeats / entire image repeats / entire image repeats, every other copy is a mirror image). exrdisplay: added option to swap the top and botton half, and the left and right half of an image, so that the image's four corners end up in the center. This is useful for checking the seams of wrap-around texture map images. IlmImf library: Added new "wrapmodes" standard attribute to indicate the extrapolation mode for MIPMAP_LEVELS and RIPMAP_LEVELS images. (Florian Kainz) * Added a new "key code" attribute to identify motion picture film frames. (Florian Kainz) * Removed #include <Iex.h> from ImfAttribute.h, ImfHeader.h and ImfXdr.h so that including header files such as ImfInputFile.h no longer defines ASSERT and THROW macros, which may conflict with similar macros defined by application programs. (Florian Kainz) * Converted HTML documentation to OpenOffice format to make maintaining the documents easier: api.html -> ReadingAndWritingImageFiles.sxw details.html -> TechnicalIntroduction.sxw (Florian Kainz) Version 1.2.1: * exrenvmap and exrmaketiled use slightly less memory (Florian Kainz) * Added functions to IlmImf for quickly testing if a file is an OpenEXR file, and whether the file is scan-line based or tiled. (Florian Kainz) * Added preview image examples to IlmImfExamples. Added description of preview images and environment maps to docs/api.html (Florian Kainz) * Bug fix: PXR24 compression did not work properly for channels with ySampling != 1. (Florian Kainz) * Made template <class T> become template <class S, class T> for the transform(ObjectS, ObjectT) methods. This was done to allow for differing templated objects to be passed in e.g. say a Box<Vec3<S>> and a Matrix44<T>, where S=float and T=double. (Jeff Yost, Arkell Rasiah) * New method Matrix44::setTheMatrix(). Used for assigning a M44f to a M44d. (Jeff Yost, Arkell Rasiah) * Added convenience Color typedefs for half versions of Color3 and Color4. Note the Makefile.am for both Imath and ImathTest have been updated with -I and/or -L pathing to Half. (Max Chen, Arkell Rasiah) * Methods equalWithAbsError() and equalWithRelError() are now declared as const. (Colette Mullenhoff, Arkell Rasiah) * Fixes for gcc34. Mainly typename/template/using/this syntax correctness changes. (Nick Ramussen, Arkell Rasiah) * Added Custom low-level file I/O examples to IlmImfExamples and to the docs/api.html document. (Florian Kainz) * Eliminated most warnings messages when OpenEXR is compiled with Visual C++. The OpenEXR code uses lots of (intentional and unintended) implicit type conversions. By default, Visual C++ warns about almost all of them. Most implicit conversions have been removed from the .h files, so that including them should not generate warnings even at warning level 3. Most .cpp files are now compiled with warning level 1. (Florian Kainz) Version 1.2.0: * Production-ready release. * Disable long double warnings on OS X. (Drew Hess) * Add new source files to VC7 IlmImfDll target. (Drew Hess) * Iex: change the way that APPEND_EXC and REPLACE_EXC modify their what() string to work around an issue with Visual C++ 7.1. (Florian Kainz, Nick Porcino) * Bumped OpenEXR version to 1.2 and .so versions to 2.0.0 in preparation for the release. (Drew Hess) * Imath: fixed ImathTMatrix.h to work with gcc 3.4. (Drew Hess) * Another quoting fix in openexr.m4. (Drew Hess) * Quoting fix in acinclude.m4 for automake 1.8. (Brad Hards) * Imath: put inline at beginning of declaration in ImathMatrix.h to fix a warning. (Ken McGaugh) * Imath: made Vec equalWith*Error () methods const. * Cleaned up compile-time Win32 support. (Florian Kainz) * Bug fix: Reading a particular broken PIZ-compressed file caused crashes by indexing off the end of an array. (Florian Kainz) Version 1.1.1: * Half: operator= and variants now return by reference rather than by value. This brings half into conformance with built-in types. (Drew Hess) * Half: remove copy constructor, let compiler supply its own. This improves performance up to 25% on some expressions using half. (Drew Hess) * configure: don't try to be fancy with CXXFLAGS, just use what the user supplies or let configure choose a sensible default if CXXFLAGS is not defined. * IlmImf: fixed a bug in reading scanline files on big-endian architectures. (Drew Hess) * exrmaketiled: Added an option to select compression type. (Florian Kainz) * exrenvmap: Added an option to select compression type. (Florian Kainz) * exrdisplay: Added some new command-line options. (Florian Kainz) * IlmImf: Added Pixar's new "slightly lossy" image compression method. The new method, named PXR24, preserves HALF and UINT data without loss, but FLOAT pixels are converted to a 24-bit representation. PXR24 appears to compress FLOAT depth buffers very well without losing much accuracy. (Loren Carpenter, Florian Kainz) * Changed top-level LICENSE file to allow for other copyright holders for individual files. * IlmImf: TILED FILE FORMAT CHANGE. TiledOutputFile was incorrectly interleaving channels and scanlines before passing pixel data to a compressor. The lossless compressors still work, but lossy compressors do not. Fix the bug by interleaving channels and scanlines in tiled files in the same way as ScanLineOutputFile does. Programs compiled with the new version of IlmImf cannot read tiled images produced with version 1.1.0. (Florian Kainz) * IlmImf: ImfXdr.h fix for 64-bit architectures. (Florian Kainz) * IlmImf: OpenEXR now supports YCA (luminance/chroma/alpha) images with subsampled chroma channels. When an image is written with the RGBA convenience interface, selecting WRITE_YCA instead of WRITE_RGBA causes the library to convert the pixels to YCA format. If WRITE_Y is selected, only luminance is stored in the file (for black and white images). When an image file is read with the RGBA convenience interface, YCA data are automatically converted back to RGBA. (Florian Kainz) * IlmImf: speed up reading tiled files as scan lines. (Florian Kainz) * Half: Fixed subtle bug in Half where signaling float NaNs were being converted to inf in half. (Florian Kainz) * gcc 3.3 compiler warning cleanups. (various) * Imath: ImathEuler.h fixes for gcc 3.4. (Garrick Meeker) Version 1.1.0: * Added new targets to Visual C++ .NET 2003 project for exrmaketiled, exrenvmap, exrmakepreview, and exrstdattr. (Drew Hess) * A few assorted Win32 fixes for Imath. (Drew Hess) * GNU autoconf builds now produce versioned libraries. This release is 1:0:0. (Drew Hess) * Fixes for Visual C++ .NET 2003. (Paul Schneider) * Updated Visual C++ zlib project file to zlib 1.2.1. (Drew Hess) * exrdisplay: Fixed fragment shader version. (Drew Hess) * *Test: Fixed some compiler issues. (Drew Hess) * Imath: Handle "restrict" keyword properly. (Drew Hess) * IlmImfExamples: Updated to latest versions of example source code, includes tiling and multi-res images. (Florian Kainz) * exrmakepreview: A new utility to create preview images. (Florian Kainz) * exrenvmap: A new utility to create OpenEXR environment maps. (Florian Kainz) * exrstdattr: A new utility to modify standard attributes. (Florian Kainz) * Updated exrheader to print level rounding mode and preview image size. (Florian Kainz) * Updated exrmaketiled to use level rounding mode. (Florian Kainz) * IlmImf: Changed the orientation of lat-long envmaps to match typical panoramic camera setups. (Florian Kainz) * IlmImf: Fixed a bug where partially-completed files with DECREASING_Y could not be read. (Florian Kainz) * IlmImf: Added support for selectable rounding mode (up/down) when generating multiresolution files. (Florian Kainz) * exrdisplay: Support for tiled images, mip/ripmaps, preview images, and display windows. (Florian Kainz, Drew Hess) * exrmaketiled: A new utility which generates tiled versions of OpenEXR images. (Florian Kainz) * IlmImf: Changed Imf::VERSION to Imf::EXR_VERSION to work around problems with autoconf VERSION macro conflict. (Drew Hess) * exrheader: Support for tiles, mipmaps, environment maps. (Florian Kainz) * IlmImf: Environment map support. (Florian Kainz) * IlmImf: Abstracted stream I/O support. (Florian Kainz) * IlmImf: Support for tiled and mip/ripmapped files; requires new file format. (Wojciech Jarosz, Florian Kainz) * Imath: TMatrix*, generic 2D matricies and algorithms. (Francesco Callari) * Imath: major quaternions cleanup. (Cary Phillips) * Imath: added GLBegin, GLPushAttrib, GLPushMatrix objects for automatic cleanup on exceptions. (Cary Phillips) * Imath: removed implicit scalar->vector promotions and vector comparisons. (Nick Rasmussen) Version 1.0.7: * Fixed a typo in one of the IlmImfTest tests. (Paul Schneider) * Fixed a bug in exrdisplay that causes the image to display as all black if there's a NaN or infinity in an OpenEXR image. (Florian Kainz) * Updated exrheader per recent changes to IlmImf library. (Florian Kainz) * Changed an errant float to a T in ImathFrame.h nextFrame(). (Cary Phillips) * Support for new "optional standard" attributes (chromaticities, luminance, comments, etc.). (Florian Kainz, Greg Ward, Joseph Goldstone) * Fixed a buffer overrun in ImfOpaqueAttribute. (Paul Schneider) * Added new function, isImfMagic (). (Florian Kainz) Version 1.0.6: * Added README.win32 to disted files. * Fixed OpenEXR.pc.in pkg-config file, OpenEXR now works with pkg-config. * Random fixes to readme files for new release. * Fixed openexr.m4, now looks in /usr by default. * Added Visual Studio .NET 2003 "solution." * Fixes for Visual Studio .NET 2003 w/ Microsoft C++ compiler. (Various) * Random Imath fixes and enhancements. Note that extractSHRT now takes an additional optional argument, see ImathMatrixAlgo.h for details. (Various) * Added Wojciech Jarosz to AUTHORS file. * Added test cases for uncompressed case, preview images, frame buffer type conversion. (Wojciech Jarosz, Florian Kainz) * Fix a bug in IlmImf where uncompressed data doesn't get read/written correctly. (Wojciech Jarosz) * Added support for preview images and preview image attributes (thumbnail images) in IlmImf. (Florian Kainz) * Added support for automatic frame buffer type conversion in IlmImf. (Florian Kainz) * Cleaned up some compile-time checks. * Added HalfTest unit tests. * [exrdisplay] Download half framebuffer to texture memory instead of converting to float first. Requires latest Nvidia drivers. Version 1.0.5: * Fixed IlmImf.dll to use static runtime libs (Andreas). * Added exrheader project to Visual Studio 6.0 workspace. * Added some example code showing how to use the IlmImf library. (Florian) * Use DLL runtime libs for Win32 libraries rather than static runtime libs. * Add an exrdisplay_fragshader project to the Visual Studio 6.0 workspace to enable fragment shaders in Win32. * Add an IlmImfDll project to the Visual Studio 6.0 workspace. * In Win32, export the ImfCRgbaFile C interface via a DLL so that Visual C++ 6.0 users can link against an Intel-compiled IlmImf. (Andreas Kahler) * Use auto_ptr in ImfAutoArray on Win32, it doesn't like large automatic stacks. * Performance improvements in PIZ decoding, between 20 and 60% speedup on Athlon and Pentium 4 systems. (Florian) * Updated the README with various information, made some cosmetic changes for readability. * Added fragment shader support to exrdisplay. * Bumped the version to 1.0.5 in prep for release. * Updated README and README.OSX to talk about CodeWarrior project files. * Incorporated Rodrigo Damazio's patch for an openexr.m4 macro file and an openexr.spec file for building RPMs. * Small change in ImfAttribute.h to make IlmImf compile with gcc 2.95. * Updated ImfDoubleAttribute.h for Codewarrior on MacOS. * Added exrheader utility. * Update to AUTHORS file. * Added a README.win32 file. * Added project files for Visual Studio 6.0. * Initial Win32 port. Requires Visual Studio 6.0 and Intel C++ compiler version 7.0. * Added new intersectT method in ImathSphere.h * Fixed some bugs in ImathQuat.h * Proper use of fltk-config to get platform-specific FLTK compile- and link-time flags. * exrdisplay uses Imath::Math<T>::pow instead of powf now. powf is not availble on all platforms. * Roll OS X "hack" into the source until Apple fixes their istream implementation. Version 1.0.4: * OpenEXR is now covered by a modified BSD license. See LICENSE for the new terms. Version 1.0.3: * OpenEXR is now in sf.net CVS. * Imf::Xdr namespace cleanups. * Some IlmImfTest cleanups for OS X. * Use .cpp extension in exrdisplay sources. * Iex cleanups. * Make IlmImf compile with Metrowerks Codewarrior. * Change large automatic stacks in ImfHuf.C to auto_ptrs allocated off the heap. MacOS X default stack size isn't large enough. * std::ios fix for MacOS X in ImfInputFile.C. * Added new FP predecessor/successor functions to Imath, added tests to ImathTest * Fixed a bug in Imath::extractSHRT for 3x3 matricies when exactly one of the original scaling factors is negative, updated ImathTest to check this case. * Install include files when 'make install' is run. * exrdisplay requires fltk 1.1+ now in an effort to support a MacOS X display program (fltk 1.1 runs on OS X), though this is untested. * renamed configure.in to configure.ac * Removed some tests from IexTest that are no longer used. * Removed ImfHalfXdr.h, it's not used anymore. * Revamped the autoconf system, added some compile-time optimizations, a pkgconfig target, and some maintainer-specific stuff. Version 1.0.2: * More OS X fixes in Imath, IlmImf and IlmImfTest. * Imath updates. * Fixed a rotation bug in Imath Version 1.0.1: * Used autoconf 2.53 and automake 1.6 to generate build environment. * Makefile.am cleanups. * OS X fixes. * removed images directory (now distributed separately). Version 1.0: * first official release. * added some high-level documentation, removed the old OpenEXR.html documentation. * fixed a few nagging build problems. * bumped IMV_VERSION_NUMBER to 2 Version 0.9: * added exrdisplay viewer application. * cleanup _data in Imf::InputFile and Imf::OutputFile constructors. * removed old ILM copyright notices. Version 0.8: * Initial release.
