2851 lines
134 KiB
Plaintext
2851 lines
134 KiB
Plaintext
#if 0
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CHANGES - changes for libpng
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version 0.2
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added reader into png.h
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fixed small problems in stub file
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version 0.3
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added pull reader
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split up pngwrite.c to several files
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added pnglib.txt
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added example.c
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cleaned up writer, adding a few new transformations
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fixed some bugs in writer
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interfaced with zlib 0.5
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added K&R support
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added check for 64 KB blocks for 16 bit machines
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version 0.4
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cleaned up code and commented code
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simplified time handling into png_time
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created png_color_16 and png_color_8 to handle color needs
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cleaned up color type defines
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fixed various bugs
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made various names more consistent
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interfaced with zlib 0.71
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cleaned up zTXt reader and writer (using zlib's Reset functions)
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split transformations into pngrtran.c and pngwtran.c
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version 0.5
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interfaced with zlib 0.8
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fixed many reading and writing bugs
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saved using 3 spaces instead of tabs
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version 0.6
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added png_large_malloc() and png_large_free()
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added png_size_t
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cleaned up some compiler warnings
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added png_start_read_image()
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version 0.7
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cleaned up lots of bugs
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finished dithering and other stuff
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added test program
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changed name from pnglib to libpng
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version 0.71 [June, 1995]
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changed pngtest.png for zlib 0.93
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fixed error in libpng.txt and example.c
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version 0.8
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cleaned up some bugs
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added png_set_filler()
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split up pngstub.c into pngmem.c, pngio.c, and pngerror.c
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added #define's to remove unwanted code
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moved png_info_init() to png.c
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added old_size into png_realloc()
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added functions to manually set filtering and compression info
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changed compression parameters based on image type
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optimized filter selection code
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added version info
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changed external functions passing floats to doubles (k&r problems?)
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put all the configurable stuff in pngconf.h
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enabled png_set_shift to work with paletted images on read
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added png_read_update_info() - updates info structure with
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transformations
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version 0.81 [August, 1995]
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incorporated Tim Wegner's medium model code (thanks, Tim)
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version 0.82 [September, 1995]
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[unspecified changes]
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version 0.85 [December, 1995]
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added more medium model code (almost everything's a far)
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added i/o, error, and memory callback functions
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fixed some bugs (16 bit, 4 bit interlaced, etc.)
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added first run progressive reader (barely tested)
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version 0.86 [January, 1996]
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fixed bugs
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improved documentation
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version 0.87 [January, 1996]
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fixed medium model bugs
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fixed other bugs introduced in 0.85 and 0.86
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added some minor documentation
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version 0.88 [January, 1996]
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fixed progressive bugs
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replaced tabs with spaces
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cleaned up documentation
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added callbacks for read/write and warning/error functions
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version 0.89 [July, 1996]
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added new initialization API to make libpng work better with shared libs
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we now have png_create_read_struct(), png_create_write_struct(),
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png_create_info_struct(), png_destroy_read_struct(), and
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png_destroy_write_struct() instead of the separate calls to
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malloc and png_read_init(), png_info_init(), and png_write_init()
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changed warning/error callback functions to fix bug - this means you
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should use the new initialization API if you were using the old
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png_set_message_fn() calls, and that the old API no longer exists
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so that people are aware that they need to change their code
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changed filter selection API to allow selection of multiple filters
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since it didn't work in previous versions of libpng anyways
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optimized filter selection code
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fixed png_set_background() to allow using an arbitrary RGB color for
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paletted images
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fixed gamma and background correction for paletted images, so
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png_correct_palette is not needed unless you are correcting an
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external palette (you will need to #define PNG_CORRECT_PALETTE_SUPPORTED
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in pngconf.h) - if nobody uses this, it may disappear in the future.
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fixed bug with Borland 64K memory allocation (Alexander Lehmann)
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fixed bug in interlace handling (Smarasderagd, I think)
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added more error checking for writing and image to reduce invalid files
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separated read and write functions so that they won't both be linked
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into a binary when only reading or writing functionality is used
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new pngtest image also has interlacing and zTXt
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updated documentation to reflect new API
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version 0.90 [January, 1997]
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made CRC errors/warnings on critical and ancillary chunks configurable
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libpng will use the zlib CRC routines by (compile-time) default
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changed DOS small/medium model memory support - needs zlib 1.04 (Tim Wegner)
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added external C++ wrapper statements to png.h (Gilles Dauphin)
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allow PNG file to be read when some or all of file signature has already
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been read from the beginning of the stream. ****This affects the size
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of info_struct and invalidates all programs that use a shared libpng****
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fixed png_filler() declarations
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fixed? background color conversions
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fixed order of error function pointers to match documentation
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current chunk name is now available in png_struct to reduce the number
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of nearly identical error messages (will simplify multi-lingual
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support when available)
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try to get ready for unknown-chunk callback functions:
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- previously read critical chunks are flagged, so the chunk handling
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routines can determine if the chunk is in the right place
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- all chunk handling routines have the same prototypes, so we will
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be able to handle all chunks via a callback mechanism
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try to fix Linux "setjmp" buffer size problems
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removed png_large_malloc, png_large_free, and png_realloc functions.
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version 0.95 [March, 1997]
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fixed bug in pngwutil.c allocating "up_row" twice and "avg_row" never
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fixed bug in PNG file signature compares when start != 0
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changed parameter type of png_set_filler(...filler...) from png_byte
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to png_uint_32
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added test for MACOS to ensure that both math.h and fp.h are not #included
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added macros for libpng to be compiled as a Windows DLL (Andreas Kupries)
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added "packswap" transformation, which changes the endianness of
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packed-pixel bytes (Kevin Bracey)
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added "strip_alpha" transformation, which removes the alpha channel of
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input images without using it (not necessarily a good idea)
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added "swap_alpha" transformation, which puts the alpha channel in front
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of the color bytes instead of after
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removed all implicit variable tests which assume NULL == 0 (I think)
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changed several variables to "png_size_t" to show 16/32-bit limitations
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added new pCAL chunk read/write support
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added experimental filter selection weighting (Greg Roelofs)
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removed old png_set_rgbx() and png_set_xrgb() functions that have been
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obsolete for about 2 years now (use png_set_filler() instead)
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added macros to read 16- and 32-bit ints directly from buffer, to be
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used only on those systems that support it (namely PowerPC and 680x0)
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With some testing, this may become the default for MACOS/PPC systems.
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only calculate CRC on data if we are going to use it
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added macros for zTXt compression type PNG_zTXt_COMPRESSION_???
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added macros for simple libpng debugging output selectable at compile time
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removed PNG_READ_END_MODE in progressive reader (Smarasderagd)
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more description of info_struct in libpng.txt and png.h
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more instructions in example.c
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more chunk types tested in pngtest.c
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renamed pngrcb.c to pngset.c, and all png_read_<chunk> functions to be
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png_set_<chunk>. We now have corresponding png_get_<chunk>
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functions in pngget.c to get information in info_ptr. This isolates
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the application from the internal organization of png_info_struct
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(good for shared library implementations).
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version 0.96 [May, 1997]
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fixed serious bug with < 8bpp images introduced in 0.95
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fixed 256-color transparency bug (Greg Roelofs)
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fixed up documentation (Greg Roelofs, Laszlo Nyul)
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fixed "error" in pngconf.h for Linux setjmp() behaviour
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fixed DOS medium model support (Tim Wegner)
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fixed png_check_keyword() for case with error in static string text
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added read of CRC after IEND chunk for embedded PNGs (Laszlo Nyul)
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added typecasts to quiet compiler errors
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added more debugging info
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version 0.97 [January, 1998]
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removed PNG_USE_OWN_CRC capability
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relocated png_set_crc_action from pngrutil.c to pngrtran.c
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fixed typecasts of "new_key", etc. (Andreas Dilger)
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added RFC 1152 [sic] date support
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fixed bug in gamma handling of 4-bit grayscale
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added 2-bit grayscale gamma handling (Glenn R-P)
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added more typecasts. 65536L becomes (png_uint_32)65536L, etc. (Glenn R-P)
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minor corrections in libpng.txt
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added simple sRGB support (Glenn R-P)
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easier conditional compiling, e.g. define PNG_READ/WRITE_NOT_FULLY_SUPPORTED;
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all configurable options can be selected from command-line instead
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of having to edit pngconf.h (Glenn R-P)
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fixed memory leak in pngwrite.c (free info_ptr->text) (Glenn R-P)
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added more conditions for png_do_background, to avoid changing
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black pixels to background when a background is supplied and
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no pixels are transparent
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repaired PNG_NO_STDIO behaviour
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tested NODIV support and made it default behaviour (Greg Roelofs)
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added "-m" option and PNGTEST_DEBUG_MEMORY to pngtest (John Bowler)
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regularized version numbering scheme and bumped shared-library major
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version number to 2 to avoid problems with libpng 0.89 apps (Greg Roelofs)
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version 0.98 [January, 1998]
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cleaned up some typos in libpng.txt and in code documentation
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fixed memory leaks in pCAL chunk processing (Glenn R-P and John Bowler)
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cosmetic change "display_gamma" to "screen_gamma" in pngrtran.c
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changed recommendation about file_gamma for PC images to .51 from .45,
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in example.c and libpng.txt, added comments to distinguish between
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screen_gamma, viewing_gamma, and display_gamma.
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changed all references to RFC1152 to read RFC1123 and changed the
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PNG_TIME_RFC1152_SUPPORTED macro to PNG_TIME_RFC1123_SUPPORTED
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added png_invert_alpha capability (Glenn R-P -- suggestion by Jon Vincent)
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changed srgb_intent from png_byte to int to avoid compiler bugs
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version 0.99 [January 30, 1998]
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free info_ptr->text instead of end_info_ptr->text in pngread.c (John Bowler)
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fixed a longstanding "packswap" bug in pngtrans.c
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fixed some inconsistencies in pngconf.h that prevented compiling with
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PNG_READ_GAMMA_SUPPORTED and PNG_READ_hIST_SUPPORTED undefined
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fixed some typos and made other minor rearrangement of libpng.txt (Andreas)
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changed recommendation about file_gamma for PC images to .50 from .51 in
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example.c and libpng.txt, and changed file_gamma for sRGB images to .45
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added a number of functions to access information from the png structure
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png_get_image_height(), etc. (Glenn R-P, suggestion by Brad Pettit)
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added TARGET_MACOS similar to zlib-1.0.8
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define PNG_ALWAYS_EXTERN when __MWERKS__ && WIN32 are defined
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added type casting to all png_malloc() function calls
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version 0.99a [January 31, 1998]
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Added type casts and parentheses to all returns that return a value.(Tim W.)
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version 0.99b [February 4, 1998]
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Added type cast png_uint_32 on malloc function calls where needed.
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Changed type of num_hist from png_uint_32 to int (same as num_palette).
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Added checks for rowbytes overflow, in case png_size_t is less than 32 bits.
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Renamed makefile.elf to makefile.lnx.
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version 0.99c [February 7, 1998]
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More type casting. Removed erroneous overflow test in pngmem.c.
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Added png_buffered_memcpy() and png_buffered_memset(), apply them to rowbytes.
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Added UNIX manual pages libpng.3 (incorporating libpng.txt) and png.5.
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version 0.99d [February 11, 1998]
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Renamed "far_to_near()" "png_far_to_near()"
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Revised libpng.3
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Version 99c "buffered" operations didn't work as intended. Replaced them
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with png_memcpy_check() and png_memset_check().
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Added many "if (png_ptr == NULL) return" to quell compiler warnings about
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unused png_ptr, mostly in pngget.c and pngset.c.
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Check for overlength tRNS chunk present when indexed-color PLTE is read.
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Cleaned up spelling errors in libpng.3/libpng.txt
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Corrected a problem with png_get_tRNS() which returned undefined trans array
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version 0.99e [February 28, 1998]
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Corrected png_get_tRNS() again.
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Add parentheses for easier reading of pngget.c, fixed "||" should be "&&".
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Touched up example.c to make more of it compileable, although the entire
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file still can't be compiled (Willem van Schaik)
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Fixed a bug in png_do_shift() (Bryan Tsai)
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Added a space in png.h prototype for png_write_chunk_start()
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Replaced pngtest.png with one created with zlib 1.1.1
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Changed pngtest to report PASS even when file size is different (Jean-loup G.)
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Corrected some logic errors in png_do_invert_alpha() (Chris Patterson)
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version 0.99f [March 5, 1998]
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Corrected a bug in pngpread() introduced in version 99c (Kevin Bracey)
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Moved makefiles into a "scripts" directory, and added INSTALL instruction file
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Added makefile.os2 and pngos2.def (A. Zabolotny) and makefile.s2x (W. Sebok)
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Added pointers to "note on libpng versions" in makefile.lnx and README
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Added row callback feature when reading and writing nonprogressive rows
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and added a test of this feature in pngtest.c
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Added user transform callbacks, with test of the feature in pngtest.c
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version 0.99g [March 6, 1998, morning]
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Minor changes to pngtest.c to suppress compiler warnings.
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Removed "beta" language from documentation.
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version 0.99h [March 6, 1998, evening]
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Minor changes to previous minor changes to pngtest.c
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Changed PNG_READ_NOT_FULLY_SUPPORTED to PNG_READ_TRANSFORMS_NOT_SUPPORTED
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and added PNG_PROGRESSIVE_READ_NOT_SUPPORTED macro
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Added user transform capability
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version 1.00 [March 7, 1998]
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Changed several typedefs in pngrutil.c
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Added makefile.wat (Pawel Mrochen), updated makefile.tc3 (Willem van Schaik)
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replaced "while(1)" with "for(;;)"
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added PNGARG() to prototypes in pngtest.c and removed some prototypes
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updated some of the makefiles (Tom Lane)
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changed some typedefs (s_start, etc.) in pngrutil.c
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fixed dimensions of "short_months" array in pngwrite.c
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Replaced ansi2knr.c with the one from jpeg-v6
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version 1.0.0 [March 8, 1998]
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Changed name from 1.00 to 1.0.0 (Adam Costello)
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Added smakefile.ppc (with SCOPTIONS.ppc) for Amiga PPC (Andreas Kleinert)
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version 1.0.0a [March 9, 1998]
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Fixed three bugs in pngrtran.c to make gamma+background handling consistent
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(Greg Roelofs)
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Changed format of the PNG_LIBPNG_VER integer to xyyzz instead of xyz
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for major, minor, and bugfix releases. This is 10001. (Adam Costello,
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Tom Lane)
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Make months range from 1-12 in png_convert_to_rfc1123
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version 1.0.0b [March 13, 1998]
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Quieted compiler complaints about two empty "for" loops in pngrutil.c
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Minor changes to makefile.s2x
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Removed #ifdef/#endif around a png_free() in pngread.c
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version 1.0.1 [March 14, 1998]
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Changed makefile.s2x to reduce security risk of using a relative pathname
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Fixed some typos in the documentation (Greg).
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Fixed a problem with value of "channels" returned by png_read_update_info()
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version 1.0.1a [April 21, 1998]
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Optimized Paeth calculations by replacing abs() function calls with intrinsics
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plus other loop optimizations. Improves avg decoding speed by about 20%.
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Commented out i386istic "align" compiler flags in makefile.lnx.
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Reduced the default warning level in some makefiles, to make them consistent.
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Removed references to IJG and JPEG in the ansi2knr.c copyright statement.
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Fixed a bug in png_do_strip_filler with XXRRGGBB => RRGGBB transformation.
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Added grayscale and 16-bit capability to png_do_read_filler().
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Fixed a bug in pngset.c, introduced in version 0.99c, that sets rowbytes
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too large when writing an image with bit_depth < 8 (Bob Dellaca).
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Corrected some bugs in the experimental weighted filtering heuristics.
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Moved a misplaced pngrutil code block that truncates tRNS if it has more
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than num_palette entries -- test was done before num_palette was defined.
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Fixed a png_convert_to_rfc1123() bug that converts day 31 to 0 (Steve Eddins).
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Changed compiler flags in makefile.wat for better optimization (Pawel Mrochen).
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version 1.0.1b [May 2, 1998]
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Relocated png_do_gray_to_rgb() within png_do_read_transformations() (Greg).
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Relocated the png_composite macros from pngrtran.c to png.h (Greg).
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Added makefile.sco (contributed by Mike Hopkirk).
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Fixed two bugs (missing definitions of "istop") introduced in libpng-1.0.1a.
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Fixed a bug in pngrtran.c that would set channels=5 under some circumstances.
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More work on the Paeth-filtering, achieving imperceptible speedup (A Kleinert).
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More work on loop optimization which may help when compiled with C++ compilers.
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Added warnings when people try to use transforms they've defined out.
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Collapsed 4 "i" and "c" loops into single "i" loops in pngrtran and pngwtran.
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Revised paragraph about png_set_expand() in libpng.txt and libpng.3 (Greg)
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version 1.0.1c [May 11, 1998]
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Fixed a bug in pngrtran.c (introduced in libpng-1.0.1a) where the masks for
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filler bytes should have been 0xff instead of 0xf.
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Added max_pixel_depth=32 in pngrutil.c when using FILLER with palette images.
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Moved PNG_WRITE_WEIGHTED_FILTER_SUPPORTED and PNG_WRITE_FLUSH_SUPPORTED
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out of the PNG_WRITE_TRANSFORMS_NOT_SUPPORTED block of pngconf.h
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Added "PNG_NO_WRITE_TRANSFORMS" etc., as alternatives for *_NOT_SUPPORTED,
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for consistency, in pngconf.h
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Added individual "ifndef PNG_NO_[CAPABILITY]" in pngconf.h to make it easier
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to remove unwanted capabilities via the compile line
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Made some corrections to grammar (which, it's) in documentation (Greg).
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Corrected example.c, use of row_pointers in png_write_image().
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version 1.0.1d [May 24, 1998]
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Corrected several statements that used side effects illegally in pngrutil.c
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and pngtrans.c, that were introduced in version 1.0.1b
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Revised png_read_rows() to avoid repeated if-testing for NULL (A Kleinert)
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More corrections to example.c, use of row_pointers in png_write_image()
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and png_read_rows().
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Added pngdll.mak and pngdef.pas to scripts directory, contributed by
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Bob Dellaca, to make a png32bd.dll with Borland C++ 4.5
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Fixed error in example.c with png_set_text: num_text is 3, not 2 (Guido V.)
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Changed several loops from count-down to count-up, for consistency.
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version 1.0.1e [June 6, 1998]
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Revised libpng.txt and libpng.3 description of png_set_read|write_fn(), and
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added warnings when people try to set png_read_fn and png_write_fn in
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the same structure.
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Added a test such that png_do_gamma will be done when num_trans==0
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for truecolor images that have defined a background. This corrects an
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error that was introduced in libpng-0.90 that can cause gamma processing
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to be skipped.
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Added tests in png.h to include "trans" and "trans_values" in structures
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when PNG_READ_BACKGROUND_SUPPORTED or PNG_READ_EXPAND_SUPPORTED is defined.
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Add png_free(png_ptr->time_buffer) in png_destroy_read_struct()
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Moved png_convert_to_rfc_1123() from pngwrite.c to png.c
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Added capability for user-provided malloc_fn() and free_fn() functions,
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and revised pngtest.c to demonstrate their use, replacing the
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PNGTEST_DEBUG_MEM feature.
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Added makefile.w32, for Microsoft C++ 4.0 and later (Tim Wegner).
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version 1.0.2 [June 14, 1998]
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Fixed two bugs in makefile.bor .
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version 1.0.2a [December 30, 1998]
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Replaced and extended code that was removed from png_set_filler() in 1.0.1a.
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Fixed a bug in png_do_filler() that made it fail to write filler bytes in
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the left-most pixel of each row (Kevin Bracey).
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Changed "static pngcharp tIME_string" to "static char tIME_string[30]"
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in pngtest.c (Duncan Simpson).
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Fixed a bug in pngtest.c that caused pngtest to try to write a tIME chunk
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even when no tIME chunk was present in the source file.
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Fixed a problem in pngrutil.c: gray_to_rgb didn't always work with 16-bit.
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|
Fixed a problem in png_read_push_finish_row(), which would not skip some
|
|
passes that it should skip, for images that are less than 3 pixels high.
|
|
Interchanged the order of calls to png_do_swap() and png_do_shift()
|
|
in pngwtran.c (John Cromer).
|
|
Added #ifdef PNG_DEBUG/#endif surrounding use of PNG_DEBUG in png.h .
|
|
Changed "bad adaptive filter type" from error to warning in pngrutil.c .
|
|
Fixed a documentation error about default filtering with 8-bit indexed-color.
|
|
Separated the PNG_NO_STDIO macro into PNG_NO_STDIO and PNG_NO_CONSOLE_IO
|
|
(L. Peter Deutsch).
|
|
Added png_set_rgb_to_gray() and png_get_rgb_to_gray_status() functions.
|
|
Added png_get_copyright() and png_get_header_version() functions.
|
|
Revised comments on png_set_progressive_read_fn() in libpng.txt and example.c
|
|
Added information about debugging in libpng.txt and libpng.3 .
|
|
Changed "ln -sf" to "ln -s -f" in makefile.s2x, makefile.lnx, and makefile.sco.
|
|
Removed lines after Dynamic Dependencies" in makefile.aco .
|
|
Revised makefile.dec to make a shared library (Jeremie Petit).
|
|
Removed trailing blanks from all files.
|
|
version 1.0.2a [January 6, 1999]
|
|
Removed misplaced #endif and #ifdef PNG_NO_EXTERN near the end of png.h
|
|
Added "if" tests to silence complaints about unused png_ptr in png.h and png.c
|
|
Changed "check_if_png" function in example.c to return true (nonzero) if PNG.
|
|
Changed libpng.txt to demonstrate png_sig_cmp() instead of png_check_sig()
|
|
which is obsolete.
|
|
|
|
version 1.0.3 [January 14, 1999]
|
|
Added makefile.hux, for Hewlett Packard HPUX 10.20 and 11.00 (Jim Rice)
|
|
Added a statement of Y2K compliance in png.h, libpng.3, and Y2KINFO.
|
|
version 1.0.3a [August 12, 1999]
|
|
Added check for PNG_READ_INTERLACE_SUPPORTED in pngread.c; issue a warning
|
|
if an attempt is made to read an interlaced image when it's not supported.
|
|
Added check if png_ptr->trans is defined before freeing it in pngread.c
|
|
Modified the Y2K statement to include versions back to version 0.71
|
|
Fixed a bug in the check for valid IHDR bit_depth/color_types in pngrutil.c
|
|
Modified makefile.wat (added -zp8 flag, ".symbolic", changed some comments)
|
|
Replaced leading blanks with tab characters in makefile.hux
|
|
Changed "dworkin.wustl.edu" to "ccrc.wustl.edu" in various documents.
|
|
Changed (float)red and (float)green to (double)red, (double)green
|
|
in png_set_rgb_to_gray() to avoid "promotion" problems in AIX.
|
|
Fixed a bug in pngconf.h that omitted <stdio.h> when PNG_DEBUG==0 (K Bracey).
|
|
Reformatted libpng.3 and libpngpf.3 with proper fonts (script by J. vanZandt).
|
|
Updated documentation to refer to the PNG-1.2 specification.
|
|
Removed ansi2knr.c and left pointers to the latest source for ansi2knr.c
|
|
in makefile.knr, INSTALL, and README (L. Peter Deutsch)
|
|
Fixed bugs in calculation of the length of rowbytes when adding alpha
|
|
channels to 16-bit images, in pngrtran.c (Chris Nokleberg)
|
|
Added function png_set_user_transform_info() to store user_transform_ptr,
|
|
user_depth, and user_channels into the png_struct, and a function
|
|
png_get_user_transform_ptr() to retrieve the pointer (Chris Nokleberg)
|
|
Added function png_set_empty_plte_permitted() to make libpng useable
|
|
in MNG applications.
|
|
Corrected the typedef for png_free_ptr in png.h (Jesse Jones).
|
|
Correct gamma with srgb is 45455 instead of 45000 in pngrutil.c, to be
|
|
consistent with PNG-1.2, and allow variance of 500 before complaining.
|
|
Added assembler code contributed by Intel in file pngvcrd.c and modified
|
|
makefile.w32 to use it (Nirav Chhatrapati, INTEL Corporation, Gilles Vollant)
|
|
Changed "ln -s -f" to "ln -f -s" in the makefiles to make Solaris happy.
|
|
Added some aliases for png_set_expand() in pngrtran.c, namely
|
|
png_set_expand_PLTE(), png_set_expand_depth(), and png_set_expand_tRNS()
|
|
(Greg Roelofs, in "PNG: The Definitive Guide").
|
|
Added makefile.beo for BEOS on X86, contributed by Sander Stok.
|
|
version 1.0.3b [August 26, 1999]
|
|
Replaced 2147483647L several places with PNG_MAX_UINT macro, defined in png.h
|
|
Changed leading blanks to tabs in all makefiles.
|
|
Define PNG_USE_PNGVCRD in makefile.w32, to get MMX assembler code.
|
|
Made alternate versions of png_set_expand() in pngrtran.c, namely
|
|
png_set_gray_1_2_4_to_8, png_set_palette_to_rgb, and png_set_tRNS_to_alpha
|
|
(Greg Roelofs, in "PNG: The Definitive Guide"). Deleted the 1.0.3a aliases.
|
|
Relocated start of 'extern "C"' block in png.h so it doesn't include pngconf.h
|
|
Revised calculation of num_blocks in pngmem.c to avoid a potentially
|
|
negative shift distance, whose results are undefined in the C language.
|
|
Added a check in pngset.c to prevent writing multiple tIME chunks.
|
|
Added a check in pngwrite.c to detect invalid small window_bits sizes.
|
|
version 1.0.3d [September 4, 1999]
|
|
Fixed type casting of igamma in pngrutil.c
|
|
Added new png_expand functions to scripts/pngdef.pas and pngos2.def
|
|
Added a demo read_user_transform_fn that examines the row filters in pngtest.c
|
|
|
|
version 1.0.4 [September 24, 1999]
|
|
Define PNG_ALWAYS_EXTERN in pngconf.h if __STDC__ is defined
|
|
Delete #define PNG_INTERNAL and include "png.h" from pngasmrd.h
|
|
Made several minor corrections to pngtest.c
|
|
Renamed the makefiles with longer but more user friendly extensions.
|
|
Copied the PNG copyright and license to a separate LICENSE file.
|
|
Revised documentation, png.h, and example.c to remove reference to
|
|
"viewing_gamma" which no longer appears in the PNG specification.
|
|
Revised pngvcrd.c to use MMX code for interlacing only on the final pass.
|
|
Updated pngvcrd.c to use the faster C filter algorithms from libpng-1.0.1a
|
|
Split makefile.win32vc into two versions, makefile.vcawin32 (uses MMX
|
|
assembler code) and makefile.vcwin32 (doesn't).
|
|
Added a CPU timing report to pngtest.c (enabled by defining PNGTEST_TIMING)
|
|
Added a copy of pngnow.png to the distribution.
|
|
version 1.0.4a [September 25, 1999]
|
|
Increase max_pixel_depth in pngrutil.c if a user transform needs it.
|
|
Changed several division operations to right-shifts in pngvcrd.c
|
|
version 1.0.4b [September 30, 1999]
|
|
Added parentheses in line 3732 of pngvcrd.c
|
|
Added a comment in makefile.linux warning about buggy -O3 in pgcc 2.95.1
|
|
version 1.0.4c [October 1, 1999]
|
|
Added a "png_check_version" function in png.c and pngtest.c that will generate
|
|
a helpful compiler error if an old png.h is found in the search path.
|
|
Changed type of png_user_transform_depth|channels from int to png_byte.
|
|
version 1.0.4d [October 6, 1999]
|
|
Changed 0.45 to 0.45455 in png_set_sRGB()
|
|
Removed unused PLTE entries from pngnow.png
|
|
Re-enabled some parts of pngvcrd.c (png_combine_row) that work properly.
|
|
version 1.0.4e [October 10, 1999]
|
|
Fixed sign error in pngvcrd.c (Greg Roelofs)
|
|
Replaced some instances of memcpy with simple assignments in pngvcrd (GR-P)
|
|
version 1.0.4f [October 15, 1999]
|
|
Surrounded example.c code with #if 0 .. #endif to prevent people from
|
|
inadvertently trying to compile it.
|
|
Changed png_get_header_version() from a function to a macro in png.h
|
|
Added type casting mostly in pngrtran.c and pngwtran.c
|
|
Removed some pointless "ptr = NULL" in pngmem.c
|
|
Added a "contrib" directory containing the source code from Greg's book.
|
|
|
|
version 1.0.5 [October 15, 1999]
|
|
Minor editing of the INSTALL and README files.
|
|
version 1.0.5a [October 23, 1999]
|
|
Added contrib/pngsuite and contrib/pngminus (Willem van Schaik)
|
|
Fixed a typo in the png_set_sRGB() function call in example.c (Jan Nijtmans)
|
|
Further optimization and bugfix of pngvcrd.c
|
|
Revised pngset.c so that it does not allocate or free memory in the user's
|
|
text_ptr structure. Instead, it makes its own copy.
|
|
Created separate write_end_info_struct in pngtest.c for a more severe test.
|
|
Added code in pngwrite.c to free info_ptr->text[i].key to stop a memory leak.
|
|
version 1.0.5b [November 23, 1999]
|
|
Moved PNG_FLAG_HAVE_CHUNK_HEADER, PNG_FLAG_BACKGROUND_IS_GRAY and
|
|
PNG_FLAG_WROTE_tIME from flags to mode.
|
|
Added png_write_info_before_PLTE() function.
|
|
Fixed some typecasting in contrib/gregbook/*.c
|
|
Updated scripts/makevms.com and added makevms.com to contrib/gregbook
|
|
and contrib/pngminus (Martin Zinser)
|
|
version 1.0.5c [November 26, 1999]
|
|
Moved png_get_header_version from png.h to png.c, to accommodate ansi2knr.
|
|
Removed all global arrays (according to PNG_NO_GLOBAL_ARRAYS macro), to
|
|
accommodate making DLL's: Moved usr_png_ver from global variable to function
|
|
png_get_header_ver() in png.c. Moved png_sig to png_sig_bytes in png.c and
|
|
eliminated use of png_sig in pngwutil.c. Moved the various png_CHNK arrays
|
|
into pngtypes.h. Eliminated use of global png_pass arrays. Declared the
|
|
png_CHNK and png_pass arrays to be "const". Made the global arrays
|
|
available to applications (although none are used in libpng itself) when
|
|
PNG_NO_GLOBAL_ARRAYS is not defined or when PNG_GLOBAL_ARRAYS is defined.
|
|
Removed some extraneous "-I" from contrib/pngminus/makefile.std
|
|
Changed the PNG_sRGB_INTENT macros in png.h to be consistent with PNG-1.2.
|
|
Change PNG_SRGB_INTENT to PNG_sRGB_INTENT in libpng.txt and libpng.3
|
|
version 1.0.5d [November 29, 1999]
|
|
Add type cast (png_const_charp) two places in png.c
|
|
Eliminated pngtypes.h; use macros instead to declare PNG_CHNK arrays.
|
|
Renamed "PNG_GLOBAL_ARRAYS" to "PNG_USE_GLOBAL_ARRAYS" and made available
|
|
to applications a macro "PNG_USE_LOCAL_ARRAYS".
|
|
Remove all the new declarations with #ifdef/#endif when
|
|
PNG_USE_GLOBAL_ARRAYS is defined.
|
|
Added PNG_EXPORT_VAR macro to accommodate making DLL's.
|
|
version 1.0.5e [November 30, 1999]
|
|
Added iCCP, iTXt, and sPLT support; added "lang" member to the png_text
|
|
structure; refactored the inflate/deflate support to make adding new chunks
|
|
with trailing compressed parts easier in the future, and added new functions
|
|
png_free_iCCP, png_free_pCAL, png_free_sPLT, png_free_text, png_get_iCCP,
|
|
png_get_spalettes, png_set_iCCP, png_set_spalettes (Eric S. Raymond).
|
|
NOTE: Applications that write text chunks MUST define png_text->lang
|
|
before calling png_set_text(). It must be set to NULL if you want to
|
|
write tEXt or zTXt chunks. If you want your application to be able to
|
|
run with older versions of libpng, use
|
|
|
|
#ifdef PNG_iTXt_SUPPORTED
|
|
png_text[i].lang = NULL;
|
|
#endif
|
|
|
|
Changed png_get_oFFs() and png_set_oFFs() to use signed rather than unsigned
|
|
offsets (Eric S. Raymond).
|
|
Combined PNG_READ_cHNK_SUPPORTED and PNG_WRITE_cHNK_SUPPORTED macros into
|
|
PNG_cHNK_SUPPORTED and combined the three types of PNG_text_SUPPORTED
|
|
macros, leaving the separate macros also available.
|
|
Removed comments on #endifs at the end of many short, non-nested #if-blocks.
|
|
version 1.0.5f [December 6, 1999]
|
|
Changed makefile.solaris to issue a warning about potential problems when
|
|
the ucb "ld" is in the path ahead of the ccs "ld".
|
|
Removed "- [date]" from the "synopsis" line in libpng.3 and libpngpf.3.
|
|
Added sCAL chunk support (Eric S. Raymond).
|
|
version 1.0.5g [December 7, 1999]
|
|
Fixed "png_free_spallettes" typo in png.h
|
|
Added code to handle new chunks in pngpread.c
|
|
Moved PNG_CHNK string macro definitions outside of PNG_NO_EXTERN block
|
|
Added "translated_key" to png_text structure and png_write_iTXt().
|
|
Added code in pngwrite.c to work around a newly discovered zlib bug.
|
|
version 1.0.5h [December 10, 1999]
|
|
NOTE: regarding the note for version 1.0.5e, the following must also
|
|
be included in your code:
|
|
png_text[i].translated_key = NULL;
|
|
Unknown chunk handling is now supported.
|
|
Option to eliminate all floating point support was added. Some new
|
|
fixed-point functions such as png_set_gAMA_fixed() were added.
|
|
Expanded tabs and removed trailing blanks in source files.
|
|
version 1.0.5i [December 13, 1999]
|
|
Added some type casts to silence compiler warnings.
|
|
Renamed "png_free_spalette" to "png_free_spalettes" for consistency.
|
|
Removed leading blanks from a #define in pngvcrd.c
|
|
Added some parameters to the new png_set_keep_unknown_chunks() function.
|
|
Added a test for up->location != 0 in the first instance of writing
|
|
unknown chunks in pngwrite.c
|
|
Changed "num" to "i" in png_free_spalettes() and png_free_unknowns() to
|
|
prevent recursion.
|
|
Added png_free_hIST() function.
|
|
Various patches to fix bugs in the sCAL and integer cHRM processing,
|
|
and to add some convenience macros for use with sCAL.
|
|
version 1.0.5j [December 21, 1999]
|
|
Changed "unit" parameter of png_write_sCAL from png_byte to int, to work
|
|
around buggy compilers.
|
|
Added new type "png_fixed_point" for integers that hold float*100000 values
|
|
Restored backward compatibility of tEXt/zTXt chunk processing:
|
|
Restored the first four members of png_text to the same order as v.1.0.5d.
|
|
Added members "lang_key" and "itxt_length" to png_text struct. Set
|
|
text_length=0 when "text" contains iTXt data. Use the "compression"
|
|
member to distinguish among tEXt/zTXt/iTXt types. Added
|
|
PNG_ITXT_COMPRESSION_NONE (1) and PNG_ITXT_COMPRESSION_zTXt(2) macros.
|
|
The "Note" above, about backward incompatibility of libpng-1.0.5e, no
|
|
longer applies.
|
|
Fixed png_read|write_iTXt() to read|write parameters in the right order,
|
|
and to write the iTXt chunk after IDAT if it appears in the end_ptr.
|
|
Added pnggccrd.c, version of pngvcrd.c Intel assembler for gcc (Greg Roelofs)
|
|
Reversed the order of trying to write floating-point and fixed-point gAMA.
|
|
version 1.0.5k [December 27, 1999]
|
|
Added many parentheses, e.g., "if (a && b & c)" becomes "if (a && (b & c))"
|
|
Added png_handle_as_unknown() function (Glenn)
|
|
Added png_free_chunk_list() function and chunk_list and num_chunk_list members
|
|
of png_ptr.
|
|
Eliminated erroneous warnings about multiple sPLT chunks and sPLT-after-PLTE.
|
|
Fixed a libpng-1.0.5h bug in pngrutil.c that was issuing erroneous warnings
|
|
about ignoring incorrect gAMA with sRGB (gAMA was in fact not ignored)
|
|
Added png_free_tRNS(); png_set_tRNS() now malloc's its own trans array (ESR).
|
|
Define png_get_int_32 when oFFs chunk is supported as well as when pCAL is.
|
|
Changed type of proflen from png_int_32 to png_uint_32 in png_get_iCCP().
|
|
version 1.0.5l [January 1, 2000]
|
|
Added functions png_set_read_user_chunk_fn() and png_get_user_chunk_ptr()
|
|
for setting a callback function to handle unknown chunks and for
|
|
retrieving the associated user pointer (Glenn).
|
|
version 1.0.5m [January 7, 2000]
|
|
Added high-level functions png_read_png(), png_write_png(), png_free_pixels().
|
|
version 1.0.5n [January 9, 2000]
|
|
Added png_free_PLTE() function, and modified png_set_PLTE() to malloc its
|
|
own memory for info_ptr->palette. This makes it safe for the calling
|
|
application to free its copy of the palette any time after it calls
|
|
png_set_PLTE().
|
|
version 1.0.5o [January 20, 2000]
|
|
Cosmetic changes only (removed some trailing blanks and TABs)
|
|
version 1.0.5p [January 31, 2000]
|
|
Renamed pngdll.mak to makefile.bd32
|
|
Cosmetic changes in pngtest.c
|
|
version 1.0.5q [February 5, 2000]
|
|
Relocated the makefile.solaris warning about PATH problems.
|
|
Fixed pngvcrd.c bug by pushing/popping registers in mmxsupport (Bruce Oberg)
|
|
Revised makefile.gcmmx
|
|
Added PNG_SETJMP_SUPPORTED, PNG_SETJMP_NOT_SUPPORTED, and PNG_ABORT() macros
|
|
version 1.0.5r [February 7, 2000]
|
|
Removed superfluous prototype for png_get_itxt from png.h
|
|
Fixed a bug in pngrtran.c that improperly expanded the background color.
|
|
Return *num_text=0 from png_get_text() when appropriate, and fix documentation
|
|
of png_get_text() in libpng.txt/libpng.3.
|
|
version 1.0.5s [February 18, 2000]
|
|
Added "png_jmp_env()" macro to pngconf.h, to help people migrate to the
|
|
new error handler that's planned for the next libpng release, and changed
|
|
example.c, pngtest.c, and contrib programs to use this macro.
|
|
Revised some of the DLL-export macros in pngconf.h (Greg Roelofs)
|
|
Fixed a bug in png_read_png() that caused it to fail to expand some images
|
|
that it should have expanded.
|
|
Fixed some mistakes in the unused and undocumented INCH_CONVERSIONS functions
|
|
in pngget.c
|
|
Changed the allocation of palette, history, and trans arrays back to
|
|
the version 1.0.5 method (linking instead of copying) which restores
|
|
backward compatibility with version 1.0.5. Added some remarks about
|
|
that in example.c. Added "free_me" member to info_ptr and png_ptr
|
|
and added png_free_data() function.
|
|
Updated makefile.linux and makefile.gccmmx to make directories conditionally.
|
|
Made cosmetic changes to pngasmrd.h
|
|
Added png_set_rows() and png_get_rows(), for use with png_read|write_png().
|
|
Modified png_read_png() to allocate info_ptr->row_pointers only if it
|
|
hasn't already been allocated.
|
|
version 1.0.5t [March 4, 2000]
|
|
Changed png_jmp_env() migration aiding macro to png_jmpbuf().
|
|
Fixed "interlace" typo (should be "interlaced") in contrib/gregbook/read2-x.c
|
|
Fixed bug with use of PNG_BEFORE_IHDR bit in png_ptr->mode, introduced when
|
|
PNG_FLAG_HAVE_CHUNK_HEADER was moved into png_ptr->mode in version 1.0.5b
|
|
Files in contrib/gregbook were revised to use png_jmpbuf() and to select
|
|
a 24-bit visual if one is available, and to allow abbreviated options.
|
|
Files in contrib/pngminus were revised to use the png_jmpbuf() macro.
|
|
Removed spaces in makefile.linux and makefile.gcmmx, introduced in 1.0.5s
|
|
version 1.0.5u [March 5, 2000]
|
|
Simplified the code that detects old png.h in png.c and pngtest.c
|
|
Renamed png_spalette (_p, _pp) to png_sPLT_t (_tp, _tpp)
|
|
Increased precision of rgb_to_gray calculations from 8 to 15 bits and
|
|
added png_set_rgb_to_gray_fixed() function.
|
|
Added makefile.bc32 (32-bit Borland C++, C mode)
|
|
version 1.0.5v [March 11, 2000]
|
|
Added some parentheses to the png_jmpbuf macro definition.
|
|
Updated references to the zlib home page, which has moved to freesoftware.com.
|
|
Corrected bugs in documentation regarding png_read_row() and png_write_row().
|
|
Updated documentation of png_rgb_to_gray calculations in libpng.3/libpng.txt.
|
|
Renamed makefile.borland,turboc3 back to makefile.bor,tc3 as in version 1.0.3,
|
|
revised borland makefiles; added makefile.ibmvac3 and makefile.gcc (Cosmin)
|
|
|
|
version 1.0.6 [March 20, 2000]
|
|
Minor revisions of makefile.bor, libpng.txt, and gregbook/rpng2-win.c
|
|
Added makefile.sggcc (SGI IRIX with gcc)
|
|
version 1.0.6d [April 7, 2000]
|
|
Changed sprintf() to strcpy() in png_write_sCAL_s() to work without STDIO
|
|
Added data_length parameter to png_decompress_chunk() function
|
|
Revised documentation to remove reference to abandoned png_free_chnk functions
|
|
Fixed an error in png_rgb_to_gray_fixed()
|
|
Revised example.c, usage of png_destroy_write_struct().
|
|
Renamed makefile.ibmvac3 to makefile.ibmc, added libpng.icc IBM project file
|
|
Added a check for info_ptr->free_me&PNG_FREE_TEXT when freeing text in png.c
|
|
Simplify png_sig_bytes() function to remove use of non-ISO-C strdup().
|
|
version 1.0.6e [April 9, 2000]
|
|
Added png_data_freer() function.
|
|
In the code that checks for over-length tRNS chunks, added check of
|
|
info_ptr->num_trans as well as png_ptr->num_trans (Matthias Benckmann)
|
|
Minor revisions of libpng.txt/libpng.3.
|
|
Check for existing data and free it if the free_me flag is set, in png_set_*()
|
|
and png_handle_*().
|
|
Only define PNG_WEIGHTED_FILTERS_SUPPORTED when PNG_FLOATING_POINT_SUPPORTED
|
|
is defined.
|
|
Changed several instances of PNG_NO_CONSOLE_ID to PNG_NO_STDIO in pngrutil.c
|
|
and mentioned the purposes of the two macros in libpng.txt/libpng.3.
|
|
version 1.0.6f [April 14, 2000]
|
|
Revised png_set_iCCP() and png_set_rows() to avoid prematurely freeing data.
|
|
Add checks in png_set_text() for NULL members of the input text structure.
|
|
Revised libpng.txt/libpng.3.
|
|
Removed superfluous prototype for png_set_itxt from png.h
|
|
Removed "else" from pngread.c, after png_error(), and changed "0" to "length".
|
|
Changed several png_errors about malformed ancillary chunks to png_warnings.
|
|
version 1.0.6g [April 24, 2000]
|
|
Added png_pass-* arrays to pnggccrd.c when PNG_USE_LOCAL_ARRAYS is defined.
|
|
Relocated paragraph about png_set_background() in libpng.3/libpng.txt
|
|
and other revisions (Matthias Benckmann)
|
|
Relocated info_ptr->free_me, png_ptr->free_me, and other info_ptr and
|
|
png_ptr members to restore binary compatibility with libpng-1.0.5
|
|
(breaks compatibility with libpng-1.0.6).
|
|
version 1.0.6h [April 24, 2000]
|
|
Changed shared library so-number pattern from 2.x.y.z to xy.z (this builds
|
|
libpng.so.10 & libpng.so.10.6h instead of libpng.so.2 & libpng.so.2.1.0.6h)
|
|
This is a temporary change for test purposes.
|
|
version 1.0.6i [May 2, 2000]
|
|
Rearranged some members at the end of png_info and png_struct, to put
|
|
unknown_chunks_num and free_me within the original size of the png_structs
|
|
and free_me, png_read_user_fn, and png_free_fn within the original png_info,
|
|
because some old applications allocate the structs directly instead of
|
|
using png_create_*().
|
|
Added documentation of user memory functions in libpng.txt/libpng.3
|
|
Modified png_read_png so that it will use user_allocated row_pointers
|
|
if present, unless free_me directs that it be freed, and added description
|
|
of the use of png_set_rows() and png_get_rows() in libpng.txt/libpng.3.
|
|
Added PNG_LEGACY_SUPPORTED macro, and #ifdef out all new (since version
|
|
1.00) members of png_struct and png_info, to regain binary compatibility
|
|
when you define this macro. Capabilities lost in this event
|
|
are user transforms (new in version 1.0.0),the user transform pointer
|
|
(new in version 1.0.2), rgb_to_gray (new in 1.0.5), iCCP, sCAL, sPLT,
|
|
the high-level interface, and unknown chunks support (all new in 1.0.6).
|
|
This was necessary because of old applications that allocate the structs
|
|
directly as authors were instructed to do in libpng-0.88 and earlier,
|
|
instead of using png_create_*().
|
|
Added modes PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT which
|
|
can be used to detect codes that directly allocate the structs, and
|
|
code to check these modes in png_read_init() and png_write_init() and
|
|
generate a libpng error if the modes aren't set and PNG_LEGACY_SUPPORTED
|
|
was not defined.
|
|
Added makefile.intel and updated makefile.watcom (Pawel Mrochen)
|
|
version 1.0.6j [May 3, 2000]
|
|
Overloaded png_read_init() and png_write_init() with macros that convert
|
|
calls to png_read_init_2() or png_write_init_2() that check the version
|
|
and structure sizes.
|
|
version 1.0.7beta11 [May 7, 2000]
|
|
Removed the new PNG_CREATED_READ_STRUCT and PNG_CREATED_WRITE_STRUCT modes
|
|
which are no longer used.
|
|
Eliminated the three new members of png_text when PNG_LEGACY_SUPPORTED is
|
|
defined or when neither PNG_READ_iTXt_SUPPORTED nor PNG_WRITE_iTXT_SUPPORTED
|
|
is defined.
|
|
Made PNG_NO_READ|WRITE_iTXt the default setting, to avoid memory
|
|
overrun when old applications fill the info_ptr->text structure directly.
|
|
Added PNGAPI macro, and added it to the definitions of all exported functions.
|
|
Relocated version macro definitions ahead of the includes of zlib.h and
|
|
pngconf.h in png.h.
|
|
version 1.0.7beta12 [May 12, 2000]
|
|
Revised pngset.c to avoid a problem with expanding the png_debug macro.
|
|
Deleted some extraneous defines from pngconf.h
|
|
Made PNG_NO_CONSOLE_IO the default condition when PNG_BUILD_DLL is defined.
|
|
Use MSC _RPTn debugging instead of fprintf if _MSC_VER is defined.
|
|
Added png_access_version_number() function.
|
|
Check for mask&PNG_FREE_CHNK (for TEXT, SCAL, PCAL) in png_free_data().
|
|
Expanded libpng.3/libpng.txt information about png_data_freer().
|
|
version 1.0.7beta14 [May 17, 2000] (beta13 was not published)
|
|
Changed pnggccrd.c and pngvcrd.c to handle bad adaptive filter types as
|
|
warnings instead of errors, as pngrutil.c does.
|
|
Set the PNG_INFO_IDAT valid flag in png_set_rows() so png_write_png()
|
|
will actually write IDATs.
|
|
Made the default PNG_USE_LOCAL_ARRAYS depend on PNG_DLL instead of WIN32.
|
|
Make png_free_data() ignore its final parameter except when freeing data
|
|
that can have multiple instances (text, sPLT, unknowns).
|
|
Fixed a new bug in png_set_rows().
|
|
Removed info_ptr->valid tests from png_free_data(), as in version 1.0.5.
|
|
Added png_set_invalid() function.
|
|
Fixed incorrect illustrations of png_destroy_write_struct() in example.c.
|
|
version 1.0.7beta15 [May 30, 2000]
|
|
Revised the deliberately erroneous Linux setjmp code in pngconf.h to produce
|
|
fewer error messages.
|
|
Rearranged checks for Z_OK to check the most likely path first in pngpread.c
|
|
and pngwutil.c.
|
|
Added checks in pngtest.c for png_create_*() returning NULL, and mentioned
|
|
in libpng.txt/libpng.3 the need for applications to check this.
|
|
Changed names of png_default_*() functions in pngtest to pngtest_*().
|
|
Changed return type of png_get_x|y_offset_*() from png_uint_32 to png_int_32.
|
|
Fixed some bugs in the unused PNG_INCH_CONVERSIONS functions in pngget.c
|
|
Set each pointer to NULL after freeing it in png_free_data().
|
|
Worked around a problem in pngconf.h; AIX's strings.h defines an "index"
|
|
macro that conflicts with libpng's png_color_16.index. (Dimitri Papadapoulos)
|
|
Added "msvc" directory with MSVC++ project files (Simon-Pierre Cadieux).
|
|
version 1.0.7beta16 [June 4, 2000]
|
|
Revised the workaround of AIX string.h "index" bug.
|
|
Added a check for overlength PLTE chunk in pngrutil.c.
|
|
Added PNG_NO_POINTER_INDEXING macro to use array-indexing instead of pointer
|
|
indexing in pngrutil.c and pngwutil.c to accommodate a buggy compiler.
|
|
Added a warning in png_decompress_chunk() when it runs out of data, e.g.
|
|
when it tries to read an erroneous PhotoShop iCCP chunk.
|
|
Added PNG_USE_DLL macro.
|
|
Revised the copyright/disclaimer/license notice.
|
|
Added contrib/msvctest directory
|
|
version 1.0.7rc1 [June 9, 2000]
|
|
Corrected the definition of PNG_TRANSFORM_INVERT_ALPHA (0x0400 not 0x0200)
|
|
Added contrib/visupng directory (Willem van Schaik)
|
|
version 1.0.7beta18 [June 23, 2000]
|
|
Revised PNGAPI definition, and pngvcrd.c to work with __GCC__
|
|
and do not redefine PNGAPI if it is passed in via a compiler directive.
|
|
Revised visupng/PngFile.c to remove returns from within the Try block.
|
|
Removed leading underscores from "_PNG_H" and "_PNG_SAVE_BSD_SOURCE" macros.
|
|
Updated contrib/visupng/cexcept.h to version 1.0.0.
|
|
Fixed bugs in pngwrite.c and pngwutil.c that prevented writing iCCP chunks.
|
|
version 1.0.7rc2 [June 28, 2000]
|
|
Updated license to include disclaimers required by UCITA.
|
|
Fixed "DJBPP" typo in pnggccrd.c introduced in beta18.
|
|
|
|
version 1.0.7 [July 1, 2000]
|
|
Revised the definition of "trans_values" in libpng.3/libpng.txt
|
|
version 1.0.8beta1 [July 8, 2000]
|
|
Added png_free(png_ptr, key) two places in pngpread.c to stop memory leaks.
|
|
Changed PNG_NO_STDIO to PNG_NO_CONSOLE_IO, several places in pngrutil.c and
|
|
pngwutil.c.
|
|
Changed PNG_EXPORT_VAR to use PNG_IMPEXP, in pngconf.h.
|
|
Removed unused "#include <assert.h>" from png.c
|
|
Added WindowsCE support.
|
|
Revised pnggccrd.c to work with gcc-2.95.2 and in the Cygwin environment.
|
|
version 1.0.8beta2 [July 10, 2000]
|
|
Added project files to the wince directory and made further revisions
|
|
of pngtest.c, pngrio.c, and pngwio.c in support of WindowsCE.
|
|
version 1.0.8beta3 [July 11, 2000]
|
|
Only set the PNG_FLAG_FREE_TRNS or PNG_FREE_TRNS flag in png_handle_tRNS()
|
|
for indexed-color input files to avoid potential double-freeing trans array
|
|
under some unusual conditions; problem was introduced in version 1.0.6f.
|
|
Further revisions to pngtest.c and files in the wince subdirectory.
|
|
version 1.0.8beta4 [July 14, 2000]
|
|
Added the files pngbar.png and pngbar.jpg to the distribution.
|
|
Added makefile.cygwin, and cygwin support in pngconf.h
|
|
Added PNG_NO_ZALLOC_ZERO macro (makes png_zalloc skip zeroing memory)
|
|
version 1.0.8rc1 [July 16, 2000]
|
|
Revised png_debug() macros and statements to eliminate compiler warnings.
|
|
|
|
version 1.0.8 [July 24, 2000]
|
|
Added png_flush() in pngwrite.c, after png_write_IEND().
|
|
Updated makefile.hpux to build a shared library.
|
|
version 1.0.9beta1 [November 10, 2000]
|
|
Fixed typo in scripts/makefile.hpux
|
|
Updated makevms.com in scripts and contrib/* and contrib/* (Martin Zinser)
|
|
Fixed seqence-point bug in contrib/pngminus/png2pnm (Martin Zinser)
|
|
Changed "cdrom.com" in documentation to "libpng.org"
|
|
Revised pnggccrd.c to get it all working, and updated makefile.gcmmx (Greg).
|
|
Changed type of "params" from voidp to png_voidp in png_read|write_png().
|
|
Make sure PNGAPI and PNG_IMPEXP are defined in pngconf.h.
|
|
Revised the 3 instances of WRITEFILE in pngtest.c.
|
|
Relocated "msvc" and "wince" project subdirectories into "dll" subdirectory.
|
|
Updated png.rc in dll/msvc project
|
|
Revised makefile.dec to define and use LIBPATH and INCPATH
|
|
Increased size of global png_libpng_ver[] array from 12 to 18 chars.
|
|
Made global png_libpng_ver[], png_sig[] and png_pass_*[] arrays const.
|
|
Removed duplicate png_crc_finish() from png_handle_bKGD() function.
|
|
Added a warning when application calls png_read_update_info() multiple times.
|
|
Revised makefile.cygwin
|
|
Fixed bugs in iCCP support in pngrutil.c and pngwutil.c.
|
|
Replaced png_set_empty_plte_permitted() with png_permit_mng_features().
|
|
version 1.0.9beta2 [November 19, 2000]
|
|
Renamed the "dll" subdirectory "projects".
|
|
Added borland project files to "projects" subdirectory.
|
|
Set VS_FF_PRERELEASE and VS_FF_PATCHED flags in msvc/png.rc when appropriate.
|
|
Add error message in png_set_compression_buffer_size() when malloc fails.
|
|
version 1.0.9beta3 [November 23, 2000]
|
|
Revised PNG_LIBPNG_BUILD_TYPE macro in png.h, used in the msvc project.
|
|
Removed the png_flush() in pngwrite.c that crashes some applications
|
|
that don't set png_output_flush_fn.
|
|
Added makefile.macosx and makefile.aix to scripts directory.
|
|
version 1.0.9beta4 [December 1, 2000]
|
|
Change png_chunk_warning to png_warning in png_check_keyword().
|
|
Increased the first part of msg buffer from 16 to 18 in png_chunk_error().
|
|
version 1.0.9beta5 [December 15, 2000]
|
|
Added support for filter method 64 (for PNG datastreams embedded in MNG).
|
|
version 1.0.9beta6 [December 18, 2000]
|
|
Revised png_set_filter() to accept filter method 64 when appropriate.
|
|
Added new PNG_HAVE_PNG_SIGNATURE bit to png_ptr->mode and use it to
|
|
help prevent applications from using MNG features in PNG datastreams.
|
|
Added png_permit_mng_features() function.
|
|
Revised libpng.3/libpng.txt. Changed "filter type" to "filter method".
|
|
version 1.0.9rc1 [December 23, 2000]
|
|
Revised test for PNG_HAVE_PNG_SIGNATURE in pngrutil.c
|
|
Fixed error handling of unknown compression type in png_decompress_chunk().
|
|
In pngconf.h, define __cdecl when _MSC_VER is defined.
|
|
version 1.0.9beta7 [December 28, 2000]
|
|
Changed PNG_TEXT_COMPRESSION_zTXt to PNG_COMPRESSION_TYPE_BASE several places.
|
|
Revised memory management in png_set_hIST and png_handle_hIST in a backward
|
|
compatible manner. PLTE and tRNS were revised similarly.
|
|
Revised the iCCP chunk reader to ignore trailing garbage.
|
|
version 1.0.9beta8 [January 12, 2001]
|
|
Moved pngasmrd.h into pngconf.h.
|
|
Improved handling of out-of-spec garbage iCCP chunks generated by PhotoShop.
|
|
version 1.0.9beta9 [January 15, 2001]
|
|
Added png_set_invalid, png_permit_mng_features, and png_mmx_supported to
|
|
wince and msvc project module definition files.
|
|
Minor revision of makefile.cygwin.
|
|
Fixed bug with progressive reading of narrow interlaced images in pngpread.c
|
|
version 1.0.9beta10 [January 16, 2001]
|
|
Do not typedef png_FILE_p in pngconf.h when PNG_NO_STDIO is defined.
|
|
Fixed "png_mmx_supported" typo in project definition files.
|
|
version 1.0.9beta11 [January 19, 2001]
|
|
Updated makefile.sgi to make shared library.
|
|
Removed png_mmx_support() function and disabled PNG_MNG_FEATURES_SUPPORTED
|
|
by default, for the benefit of DLL forward compatibility. These will
|
|
be re-enabled in version 1.2.0.
|
|
version 1.0.9rc2 [January 22, 2001]
|
|
Revised cygwin support.
|
|
|
|
version 1.0.9 [January 31, 2001]
|
|
Added check of cygwin's ALL_STATIC in pngconf.h
|
|
Added "-nommx" parameter to contrib/gregbook/rpng2-win and rpng2-x demos.
|
|
version 1.0.10beta1 [March 14, 2001]
|
|
Revised makefile.dec, makefile.sgi, and makefile.sggcc; added makefile.hpgcc.
|
|
Reformatted libpng.3 to eliminate bad line breaks.
|
|
Added checks for _mmx_supported in the read_filter_row function of pnggccrd.c
|
|
Added prototype for png_mmx_support() near the top of pnggccrd.c
|
|
Moved some error checking from png_handle_IHDR to png_set_IHDR.
|
|
Added PNG_NO_READ_SUPPORTED and PNG_NO_WRITE_SUPPORTED macros.
|
|
Revised png_mmx_support() function in pnggccrd.c
|
|
Restored version 1.0.8 PNG_WRITE_EMPTY_PLTE_SUPPORTED behavior in pngwutil.c
|
|
Fixed memory leak in contrib/visupng/PngFile.c
|
|
Fixed bugs in png_combine_row() in pnggccrd.c and pngvcrd.c (C version)
|
|
Added warnings when retrieving or setting gamma=0.
|
|
Increased the first part of msg buffer from 16 to 18 in png_chunk_warning().
|
|
version 1.0.10rc1 [March 23, 2001]
|
|
Changed all instances of memcpy, strcpy, and strlen to png_memcpy, png_strcpy,
|
|
and png_strlen.
|
|
Revised png_mmx_supported() function in pnggccrd.c to return proper value.
|
|
Fixed bug in progressive reading (pngpread.c) with small images (height < 8).
|
|
|
|
version 1.0.10 [March 30, 2001]
|
|
Deleted extraneous space (introduced in 1.0.9) from line 42 of makefile.cygwin
|
|
Added beos project files (Chris Herborth)
|
|
version 1.0.11beta1 [April 3, 2001]
|
|
Added type casts on several png_malloc() calls (Dimitri Papadapoulos).
|
|
Removed a no-longer needed AIX work-around from pngconf.h
|
|
Changed several "//" single-line comments to C-style in pnggccrd.c
|
|
version 1.0.11beta2 [April 11, 2001]
|
|
Removed PNGAPI from several functions whose prototypes did not have PNGAPI.
|
|
Updated scripts/pngos2.def
|
|
version 1.0.11beta3 [April 14, 2001]
|
|
Added checking the results of many instances of png_malloc() for NULL
|
|
version 1.0.11beta4 [April 20, 2001]
|
|
Undid the changes from version 1.0.11beta3. Added a check for NULL return
|
|
from user's malloc_fn().
|
|
Removed some useless type casts of the NULL pointer.
|
|
Added makefile.netbsd
|
|
|
|
version 1.0.11 [April 27, 2001]
|
|
Revised makefile.netbsd
|
|
version 1.0.12beta1 [May 14, 2001]
|
|
Test for Windows platform in pngconf.h when including malloc.h (Emmanuel Blot)
|
|
Updated makefile.cygwin and handling of Cygwin's ALL_STATIC in pngconf.h
|
|
Added some never-to-be-executed code in pnggccrd.c to quiet compiler warnings.
|
|
Eliminated the png_error about apps using png_read|write_init(). Instead,
|
|
libpng will reallocate the png_struct and info_struct if they are too small.
|
|
This retains future binary compatibility for old applications written for
|
|
libpng-0.88 and earlier.
|
|
version 1.2.0beta1 [May 6, 2001]
|
|
Bumped DLLNUM to 2.
|
|
Re-enabled PNG_MNG_FEATURES_SUPPORTED and enabled PNG_ASSEMBLER_CODE_SUPPORTED
|
|
by default.
|
|
Added runtime selection of MMX features.
|
|
Added png_set_strip_error_numbers function and related macros.
|
|
version 1.2.0beta2 [May 7, 2001]
|
|
Finished merging 1.2.0beta1 with version 1.0.11
|
|
Added a check for attempts to read or write PLTE in grayscale PNG datastreams.
|
|
version 1.2.0beta3 [May 17, 2001]
|
|
Enabled user memory function by default.
|
|
Modified png_create_struct so it passes user mem_ptr to user memory allocator.
|
|
Increased png_mng_features flag from png_byte to png_uint_32.
|
|
Bumped shared-library (so-number) and dll-number to 3.
|
|
version 1.2.0beta4 [June 23, 2001]
|
|
Check for missing profile length field in iCCP chunk and free chunk_data
|
|
in case of truncated iCCP chunk.
|
|
Bumped shared-library number to 3 in makefile.sgi and makefile.sggcc
|
|
Bumped dll-number from 2 to 3 in makefile.cygwin
|
|
Revised contrib/gregbook/rpng*-x.c to avoid a memory leak and to exit cleanly
|
|
if user attempts to run it on an 8-bit display.
|
|
Updated contrib/gregbook
|
|
Use png_malloc instead of png_zalloc to allocate palette in pngset.c
|
|
Updated makefile.ibmc
|
|
Added some typecasts to eliminate gcc 3.0 warnings. Changed prototypes
|
|
of png_write_oFFS width and height from png_uint_32 to png_int_32.
|
|
Updated example.c
|
|
Revised prototypes for png_debug_malloc and png_debug_free in pngtest.c
|
|
version 1.2.0beta5 [August 8, 2001]
|
|
Revised contrib/gregbook
|
|
Revised makefile.gcmmx
|
|
Revised pnggccrd.c to conditionally compile some thread-unsafe code only
|
|
when PNG_THREAD_UNSAFE_OK is defined.
|
|
Added tests to prevent pngwutil.c from writing a bKGD or tRNS chunk with
|
|
value exceeding 2^bit_depth-1
|
|
Revised makefile.sgi and makefile.sggcc
|
|
Replaced calls to fprintf(stderr,...) with png_warning() in pnggccrd.c
|
|
Removed restriction that do_invert_mono only operate on 1-bit opaque files
|
|
|
|
version 1.2.0 [September 1, 2001]
|
|
Changed a png_warning() to png_debug() in pnggccrd.c
|
|
Fixed contrib/gregbook/rpng-x.c, rpng2-x.c to avoid crash with XFreeGC().
|
|
version 1.2.1beta1 [October 19, 2001]
|
|
Revised makefile.std in contrib/pngminus
|
|
Include background_1 in png_struct regardless of gamma support.
|
|
Revised makefile.netbsd and makefile.macosx, added makefile.darwin.
|
|
Revised example.c to provide more details about using row_callback().
|
|
version 1.2.1beta2 [October 25, 2001]
|
|
Added type cast to each NULL appearing in a function call, except for
|
|
WINCE functions.
|
|
Added makefile.so9.
|
|
version 1.2.1beta3 [October 27, 2001]
|
|
Removed type casts from all NULLs.
|
|
Simplified png_create_struct_2().
|
|
version 1.2.1beta4 [November 7, 2001]
|
|
Revised png_create_info_struct() and png_creat_struct_2().
|
|
Added error message if png_write_info() was omitted.
|
|
Type cast NULLs appearing in function calls when _NO_PROTO or
|
|
PNG_TYPECAST_NULL is defined.
|
|
version 1.2.1rc1 [November 24, 2001]
|
|
Type cast NULLs appearing in function calls except when PNG_NO_TYPECAST_NULL
|
|
is defined.
|
|
Changed typecast of "size" argument to png_size_t in pngmem.c calls to
|
|
the user malloc_fn, to agree with the prototype in png.h
|
|
Added a pop/push operation to pnggccrd.c, to preserve Eflag (Maxim Sobolev)
|
|
Updated makefile.sgi to recognize LIBPATH and INCPATH.
|
|
Updated various makefiles so "make clean" does not remove previous major
|
|
version of the shared library.
|
|
version 1.2.1rc2 [December 4, 2001]
|
|
Always allocate 256-entry internal palette, hist, and trans arrays, to
|
|
avoid out-of-bounds memory reference caused by invalid PNG datastreams.
|
|
Added a check for prefix_length > data_length in iCCP chunk handler.
|
|
|
|
version 1.2.1 [December 7, 2001]
|
|
None.
|
|
version 1.2.2beta1 [February 22, 2002]
|
|
Fixed a bug with reading the length of iCCP profiles (Larry Reeves).
|
|
Revised makefile.linux, makefile.gcmmx, and makefile.sgi to generate
|
|
libpng.a, libpng12.so (not libpng.so.3), and libpng12/png.h
|
|
Revised makefile.darwin to remove "-undefined suppress" option.
|
|
Added checks for gamma and chromaticity values over 21474.83, which exceed
|
|
the limit for PNG unsigned 32-bit integers when encoded.
|
|
Revised calls to png_create_read_struct() and png_create_write_struct()
|
|
for simpler debugging.
|
|
Revised png_zalloc() so zlib handles errors (uses PNG_FLAG_MALLOC_NULL_MEM_OK)
|
|
version 1.2.2beta2 [February 23, 2002]
|
|
Check chunk_length and idat_size for invalid (over PNG_MAX_UINT) lengths.
|
|
Check for invalid image dimensions in png_get_IHDR.
|
|
Added missing "fi;" in the install target of the SGI makefiles.
|
|
Added install-static to all makefiles that make shared libraries.
|
|
Always do gamma compensation when image is partially transparent.
|
|
version 1.2.2beta3 [March 7, 2002]
|
|
Compute background.gray and background_1.gray even when color_type is RGB
|
|
in case image gets reduced to gray later.
|
|
Modified shared-library makefiles to install pkgconfig/libpngNN.pc.
|
|
Export (with PNGAPI) png_zalloc, png_zfree, and png_handle_as_unknown
|
|
Removed unused png_write_destroy_info prototype from png.h
|
|
Eliminated incorrect use of width_mmx from pnggccrd.c in pixel_bytes == 8 case
|
|
Added install-shared target to all makefiles that make shared libraries.
|
|
Stopped a double free of palette, hist, and trans when not using free_me.
|
|
Added makefile.32sunu for Sun Ultra 32 and makefile.64sunu for Sun Ultra 64.
|
|
version 1.2.2beta4 [March 8, 2002]
|
|
Compute background.gray and background_1.gray even when color_type is RGB
|
|
in case image gets reduced to gray later (Jason Summers).
|
|
Relocated a misplaced /bin/rm in the "install-shared" makefile targets
|
|
Added PNG_1_0_X macro which can be used to build a 1.0.x-compatible library.
|
|
version 1.2.2beta5 [March 26, 2002]
|
|
Added missing PNGAPI to several function definitions.
|
|
Check for invalid bit_depth or color_type in png_get_IHDR(), and
|
|
check for missing PLTE or IHDR in png_push_read_chunk() (Matthias Clasen).
|
|
Revised iTXt support to accept NULL for lang and lang_key.
|
|
Compute gamma for color components of background even when color_type is gray.
|
|
Changed "()" to "{}" in scripts/libpng.pc.in.
|
|
Revised makefiles to put png.h and pngconf.h only in $prefix/include/libpngNN
|
|
Revised makefiles to make symlink to libpng.so.NN in addition to libpngNN.so
|
|
version 1.2.2beta6 [March 31, 2002]
|
|
version 1.0.13beta1 [March 31, 2002]
|
|
Prevent png_zalloc() from trying to memset memory that it failed to acquire.
|
|
Add typecasts of PNG_MAX_UINT in pngset_cHRM_fixed() (Matt Holgate).
|
|
Ensure that the right function (user or default) is used to free the
|
|
png_struct after an error in png_create_read_struct_2().
|
|
version 1.2.2rc1 [April 7, 2002]
|
|
version 1.0.13rc1 [April 7, 2002]
|
|
Save the ebx register in pnggccrd.c (Sami Farin)
|
|
Add "mem_ptr = png_ptr->mem_ptr" in png_destroy_write_struct() (Paul Gardner).
|
|
Updated makefiles to put headers in include/libpng and remove old include/*.h.
|
|
|
|
version 1.2.2 [April 15, 2002]
|
|
version 1.0.13 [April 15, 2002]
|
|
Revised description of png_set_filter() in libpng.3/libpng.txt.
|
|
Revised makefile.netbsd and added makefile.neNNbsd and makefile.freebsd
|
|
version 1.0.13patch01 [April 17, 2002]
|
|
version 1.2.2patch01 [April 17, 2002]
|
|
Changed ${PNGMAJ}.${PNGVER} bug to ${PNGVER} in makefile.sgi and makefile.sggcc
|
|
Fixed VER -> PNGVER typo in makefile.macosx and added install-static to install
|
|
Added install: target to makefile.32sunu and makefile.64sunu
|
|
version 1.0.13patch03 [April 18, 2002]
|
|
version 1.2.2patch03 [April 18, 2002]
|
|
Revised 15 makefiles to link libpng.a to libpngNN.a and the include libpng
|
|
subdirectory to libpngNN subdirectory without the full pathname.
|
|
Moved generation of libpng.pc from "install" to "all" in 15 makefiles.
|
|
version 1.2.3rc1 [April 28, 2002]
|
|
Added install-man target to 15 makefiles (Dimitri Papadopolous-Orfanos).
|
|
Added $(DESTDIR) feature to 24 makefiles (Tim Mooney)
|
|
Fixed bug with $prefix, should be $(prefix) in makefile.hpux.
|
|
Updated cygwin-specific portion of pngconf.h and revised makefile.cygwin
|
|
Added a link from libpngNN.pc to libpng.pc in 15 makefiles.
|
|
Added links from include/libpngNN/*.h to include/*.h in 24 makefiles.
|
|
Revised makefile.darwin to make relative links without full pathname.
|
|
Added setjmp() at the end of png_create_*_struct_2() in case user forgets
|
|
to put one in their application.
|
|
Restored png_zalloc() and png_zfree() prototypes to version 1.2.1 and
|
|
removed them from module definition files.
|
|
version 1.2.3rc2 [May 1, 2002]
|
|
Fixed bug in reporting number of channels in pngget.c and pngset.c,
|
|
that was introduced in version 1.2.2beta5.
|
|
Exported png_zalloc(), png_zfree(), png_default_read(), png_default_write(),
|
|
png_default_flush(), and png_push_fill_buffer() and included them in
|
|
module definition files.
|
|
Added "libpng.pc" dependency to the "install-shared" target in 15 makefiles.
|
|
version 1.2.3rc3 [May 1, 2002]
|
|
Revised prototype for png_default_flush()
|
|
Remove old libpng.pc and libpngNN.pc before installing new ones.
|
|
version 1.2.3rc4 [May 2, 2002]
|
|
Typos in *.def files (png_default_read|write -> png_default_read|write_data)
|
|
In makefiles, changed rm libpng.NN.pc to rm libpngNN.pc
|
|
Added libpng-config and libpngNN-config and modified makefiles to install them.
|
|
Changed $(MANPATH) to $(DESTDIR)$(MANPATH) in makefiles
|
|
Added "Win32 DLL VB" configuration to projects/msvc/libpng.dsp
|
|
version 1.2.3rc5 [May 11, 2002]
|
|
Changed "error" and "message" in prototypes to "error_message" and
|
|
"warning_message" to avoid namespace conflict.
|
|
Revised 15 makefiles to build libpng-config from libpng-config-*.in
|
|
Once more restored png_zalloc and png_zfree to regular nonexported form.
|
|
Restored png_default_read|write_data, png_default_flush, png_read_fill_buffer
|
|
to nonexported form, but with PNGAPI, and removed them from module def files.
|
|
version 1.2.3rc6 [May 14, 2002]
|
|
Removed "PNGAPI" from png_zalloc() and png_zfree() in png.c
|
|
Changed "Gz" to "Gd" in projects/msvc/libpng.dsp and zlib.dsp.
|
|
Removed leftover libpng-config "sed" script from four makefiles.
|
|
Revised libpng-config creating script in 16 makefiles.
|
|
|
|
version 1.2.3 [May 22, 2002]
|
|
Revised libpng-config target in makefile.cygwin.
|
|
Removed description of png_set_mem_fn() from documentation.
|
|
Revised makefile.freebsd.
|
|
Minor cosmetic changes to 15 makefiles, e.g., $(DI) = $(DESTDIR)/$(INCDIR).
|
|
Revised projects/msvc/README.txt
|
|
Changed -lpng to -lpngNN in LDFLAGS in several makefiles.
|
|
version 1.2.4beta1 [May 24, 2002]
|
|
Added libpng.pc and libpng-config to "all:" target in 16 makefiles.
|
|
Fixed bug in 16 makefiles: $(DESTDIR)/$(LIBPATH) to $(DESTDIR)$(LIBPATH)
|
|
Added missing "\" before closing double quote in makefile.gcmmx.
|
|
Plugged various memory leaks; added png_malloc_warn() and png_set_text_2()
|
|
functions.
|
|
version 1.2.4beta2 [June 25, 2002]
|
|
Plugged memory leak of png_ptr->current_text (Matt Holgate).
|
|
Check for buffer overflow before reading CRC in pngpread.c (Warwick Allison)
|
|
Added -soname to the loader flags in makefile.dec, makefile.sgi, and
|
|
makefile.sggcc.
|
|
Added "test-installed" target to makefile.linux, makefile.gcmmx,
|
|
makefile.sgi, and makefile.sggcc.
|
|
version 1.2.4beta3 [June 28, 2002]
|
|
Plugged memory leak of row_buf in pngtest.c when there is a png_error().
|
|
Detect buffer overflow in pngpread.c when IDAT is corrupted with extra data.
|
|
Added "test-installed" target to makefile.32sunu, makefile.64sunu,
|
|
makefile.beos, makefile.darwin, makefile.dec, makefile.macosx,
|
|
makefile.solaris, makefile.hpux, makefile.hpgcc, and makefile.so9.
|
|
version 1.2.4rc1 and 1.0.14rc1 [July 2, 2002]
|
|
Added "test-installed" target to makefile.cygwin and makefile.sco.
|
|
Revised pnggccrd.c to be able to back out version 1.0.x via PNG_1_0_X macro.
|
|
|
|
version 1.2.4 and 1.0.14 [July 8, 2002]
|
|
Changed png_warning() to png_error() when width is too large to process.
|
|
version 1.2.4patch01 [July 20, 2002]
|
|
Revised makefile.cygwin to use DLL number 12 instead of 13.
|
|
version 1.2.5beta1 [August 6, 2002]
|
|
Added code to contrib/gregbook/readpng2.c to ignore unused chunks.
|
|
Replaced toucan.png in contrib/gregbook (it has been corrupt since 1.0.11)
|
|
Removed some stray *.o files from contrib/gregbook.
|
|
Changed png_error() to png_warning() about "Too much data" in pngpread.c
|
|
and about "Extra compressed data" in pngrutil.c.
|
|
Prevent png_ptr->pass from exceeding 7 in png_push_finish_row().
|
|
Updated makefile.hpgcc
|
|
Updated png.c and pnggccrd.c handling of return from png_mmx_support()
|
|
version 1.2.5beta2 [August 15, 2002]
|
|
Only issue png_warning() about "Too much data" in pngpread.c when avail_in
|
|
is nonzero.
|
|
Updated makefiles to install a separate libpng.so.3 with its own rpath.
|
|
version 1.2.5rc1 and 1.0.15rc1 [August 24, 2002]
|
|
Revised makefiles to not remove previous minor versions of shared libraries.
|
|
version 1.2.5rc2 and 1.0.15rc2 [September 16, 2002]
|
|
Revised 13 makefiles to remove "-lz" and "-L$(ZLIBLIB)", etc., from shared
|
|
library loader directive.
|
|
Added missing "$OBJSDLL" line to makefile.gcmmx.
|
|
Added missing "; fi" to makefile.32sunu.
|
|
version 1.2.5rc3 and 1.0.15rc3 [September 18, 2002]
|
|
Revised libpng-config script.
|
|
|
|
version 1.2.5 and 1.0.15 [October 3, 2002]
|
|
Revised makefile.macosx, makefile.darwin, makefile.hpgcc, and makefile.hpux,
|
|
and makefile.aix.
|
|
Relocated two misplaced PNGAPI lines in pngtest.c
|
|
version 1.2.6beta1 [October 22, 2002]
|
|
Commented out warning about uninitialized mmx_support in pnggccrd.c.
|
|
Changed "IBMCPP__" flag to "__IBMCPP__" in pngconf.h.
|
|
Relocated two more misplaced PNGAPI lines in pngtest.c
|
|
Fixed memory overrun bug in png_do_read_filler() with 16-bit datastreams,
|
|
introduced in version 1.0.2.
|
|
Revised makefile.macosx, makefile.dec, makefile.aix, and makefile.32sunu.
|
|
version 1.2.6beta2 [November 1, 2002]
|
|
Added libpng-config "--ldopts" output.
|
|
Added "AR=ar" and "ARFLAGS=rc" and changed "ar rc" to "$(AR) $(ARFLAGS)"
|
|
in makefiles.
|
|
version 1.2.6beta3 [July 18, 2004]
|
|
Reverted makefile changes from version 1.2.6beta2 and some of the changes
|
|
from version 1.2.6beta1; these will be postponed until version 1.2.7.
|
|
Version 1.2.6 is going to be a simple bugfix release.
|
|
Changed the one instance of "ln -sf" to "ln -f -s" in each Sun makefile.
|
|
Fixed potential overrun in pngerror.c by using strncpy instead of memcpy.
|
|
Added "#!/bin/sh" at the top of configure, for recognition of the
|
|
'x' flag under Cygwin (Cosmin).
|
|
Optimized vacuous tests that silence compiler warnings, in png.c (Cosmin).
|
|
Added support for PNG_USER_CONFIG, in pngconf.h (Cosmin).
|
|
Fixed the special memory handler for Borland C under DOS, in pngmem.c
|
|
(Cosmin).
|
|
Removed some spurious assignments in pngrutil.c (Cosmin).
|
|
Replaced 65536 with 65536L, and 0xffff with 0xffffL, to silence warnings
|
|
on 16-bit platforms (Cosmin).
|
|
Enclosed shift op expressions in parentheses, to silence warnings (Cosmin).
|
|
Used proper type png_fixed_point, to avoid problems on 16-bit platforms,
|
|
in png_handle_sRGB() (Cosmin).
|
|
Added compression_type to png_struct, and optimized the window size
|
|
inside the deflate stream (Cosmin).
|
|
Fixed definition of isnonalpha(), in pngerror.c and pngrutil.c (Cosmin).
|
|
Fixed handling of unknown chunks that come after IDAT (Cosmin).
|
|
Allowed png_error() and png_warning() to work even if png_ptr == NULL
|
|
(Cosmin).
|
|
Replaced row_info->rowbytes with row_bytes in png_write_find_filter()
|
|
(Cosmin).
|
|
Fixed definition of PNG_LIBPNG_VER_DLLNUM (Simon-Pierre).
|
|
Used PNG_LIBPNG_VER and PNG_LIBPNG_VER_STRING instead of the hardcoded
|
|
values in png.c (Simon-Pierre, Cosmin).
|
|
Initialized png_libpng_ver[] with PNG_LIBPNG_VER_STRING (Simon-Pierre).
|
|
Replaced PNG_LIBPNG_VER_MAJOR with PNG_LIBPNG_VER_DLLNUM in png.rc
|
|
(Simon-Pierre).
|
|
Moved the definition of PNG_HEADER_VERSION_STRING near the definitions
|
|
of the other PNG_LIBPNG_VER_... symbols in png.h (Cosmin).
|
|
Relocated #ifndef PNGAPI guards in pngconf.h (Simon-Pierre, Cosmin).
|
|
Updated scripts/makefile.vc(a)win32 (Cosmin).
|
|
Updated the MSVC project (Simon-Pierre, Cosmin).
|
|
Updated the Borland C++ Builder project (Cosmin).
|
|
Avoided access to asm_flags in pngvcrd.c, if PNG_1_0_X is defined (Cosmin).
|
|
Commented out warning about uninitialized mmx_support in pngvcrd.c (Cosmin).
|
|
Removed scripts/makefile.bd32 and scripts/pngdef.pas (Cosmin).
|
|
Added extra guard around inclusion of Turbo C memory headers, in pngconf.h
|
|
(Cosmin).
|
|
Renamed projects/msvc/ to projects/visualc6/, and projects/borland/ to
|
|
projects/cbuilder5/ (Cosmin).
|
|
Moved projects/visualc6/png32ms.def to scripts/pngw32.def,
|
|
and projects/visualc6/png.rc to scripts/pngw32.rc (Cosmin).
|
|
Added projects/visualc6/pngtest.dsp; removed contrib/msvctest/ (Cosmin).
|
|
Changed line endings to DOS style in cbuilder5 and visualc6 files, even
|
|
in the tar.* distributions (Cosmin).
|
|
Updated contrib/visupng/VisualPng.dsp (Cosmin).
|
|
Updated contrib/visupng/cexcept.h to version 2.0.0 (Cosmin).
|
|
Added a separate distribution with "configure" and supporting files (Junichi).
|
|
version 1.2.6beta4 [July 28, 2004]
|
|
Added user ability to change png_size_t via a PNG_SIZE_T macro.
|
|
Added png_sizeof() and png_convert_size() functions.
|
|
Added PNG_SIZE_MAX (maximum value of a png_size_t variable.
|
|
Added check in png_malloc_default() for (size_t)size != (png_uint_32)size
|
|
which would indicate an overflow.
|
|
Changed sPLT failure action from png_error to png_warning and abandon chunk.
|
|
Changed sCAL and iCCP failures from png_error to png_warning and abandon.
|
|
Added png_get_uint_31(png_ptr, buf) function.
|
|
Added PNG_UINT_32_MAX macro.
|
|
Renamed PNG_MAX_UINT to PNG_UINT_31_MAX.
|
|
Made png_zalloc() issue a png_warning and return NULL on potential
|
|
overflow.
|
|
Turn on PNG_NO_ZALLOC_ZERO by default in version 1.2.x
|
|
Revised "clobber list" in pnggccrd.c so it will compile under gcc-3.4.
|
|
Revised Borland portion of png_malloc() to return NULL or issue
|
|
png_error() according to setting of PNG_FLAG_MALLOC_NULL_MEM_OK.
|
|
Added PNG_NO_SEQUENTIAL_READ_SUPPORTED macro to conditionally remove
|
|
sequential read support.
|
|
Added some "#if PNG_WRITE_SUPPORTED" blocks.
|
|
Removed some redundancy with #ifdef/#endif in png_malloc_default().
|
|
Use png_malloc instead of png_zalloc to allocate the pallete.
|
|
version 1.0.16rc1 and 1.2.6rc1 [August 4, 2004]
|
|
Fixed buffer overflow vulnerability in png_handle_tRNS()
|
|
Fixed integer arithmetic overflow vulnerability in png_read_png().
|
|
Fixed some harmless bugs in png_handle_sBIT, etc, that would cause
|
|
duplicate chunk types to go undetected.
|
|
Fixed some timestamps in the -config version
|
|
Rearranged order of processing of color types in png_handle_tRNS().
|
|
Added ROWBYTES macro to calculate rowbytes without integer overflow.
|
|
Updated makefile.darwin and removed makefile.macosx from scripts directory.
|
|
Imposed default one million column, one-million row limits on the image
|
|
dimensions, and added png_set_user_limits() function to override them.
|
|
Revised use of PNG_SET_USER_LIMITS_SUPPORTED macro.
|
|
Fixed wrong cast of returns from png_get_user_width|height_max().
|
|
Changed some "keep the compiler happy" from empty statements to returns,
|
|
Revised libpng.txt to remove 1.2.x stuff from the 1.0.x distribution
|
|
version 1.0.16rc2 and 1.2.6rc2 [August 7, 2004]
|
|
Revised makefile.darwin and makefile.solaris. Removed makefile.macosx.
|
|
Revised pngtest's png_debug_malloc() to use png_malloc() instead of
|
|
png_malloc_default() which is not supposed to be exported.
|
|
Fixed off-by-one error in one of the conversions to PNG_ROWBYTES() in
|
|
pngpread.c. Bug was introduced in 1.2.6rc1.
|
|
Fixed bug in RGB to RGBX transformation introduced in 1.2.6rc1.
|
|
Fixed old bug in RGB to Gray transformation.
|
|
Fixed problem with 64-bit compilers by casting arguments to abs()
|
|
to png_int_32.
|
|
Changed "ln -sf" to "ln -f -s" in three makefiles (solaris, sco, so9).
|
|
Changed "HANDLE_CHUNK_*" to "PNG_HANDLE_CHUNK_*" (Cosmin)
|
|
Added "-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)" to 15 *NIX makefiles.
|
|
Added code to update the row_info->colortype in png_do_read_filler() (MSB).
|
|
version 1.0.16rc3 and 1.2.6rc3 [August 9, 2004]
|
|
Eliminated use of "abs()" in testing cHRM and gAMA values, to avoid
|
|
trouble with some 64-bit compilers. Created PNG_OUT_OF_RANGE() macro.
|
|
Revised documentation of png_set_keep_unknown_chunks().
|
|
Check handle_as_unknown status in pngpread.c, as in pngread.c previously.
|
|
Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_INTERNAL section of png.h
|
|
Added "rim" definitions for CONST4 and CONST6 in pnggccrd.c
|
|
version 1.0.16rc4 and 1.2.6rc4 [August 10, 2004]
|
|
Fixed mistake in pngtest.c introduced in 1.2.6rc2 (declaration of
|
|
"pinfo" was out of place).
|
|
version 1.0.16rc5 and 1.2.6rc5 [August 10, 2004]
|
|
Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_ASSEMBLER_CODE_SUPPORTED
|
|
section of png.h where they were inadvertently placed in version rc3.
|
|
|
|
version 1.2.6 and 1.0.16 [August 15, 2004]
|
|
Revised pngtest so memory allocation testing is only done when PNG_DEBUG==1.
|
|
version 1.2.7beta1 [August 26, 2004]
|
|
Removed unused pngasmrd.h file.
|
|
Removed references to uu.net for archived files. Added references to
|
|
PNG Spec (second edition) and the PNG ISO/IEC Standard.
|
|
Added "test-dd" target in 15 makefiles, to run pngtest in DESTDIR.
|
|
Fixed bug with "optimized window size" in the IDAT datastream, that
|
|
causes libpng to write PNG files with incorrect zlib header bytes.
|
|
version 1.2.7beta2 [August 28, 2004]
|
|
Fixed bug with sCAL chunk and big-endian machines (David Munro).
|
|
Undid new code added in 1.2.6rc2 to update the color_type in
|
|
png_set_filler().
|
|
Added png_set_add_alpha() that updates color type.
|
|
version 1.0.17rc1 and 1.2.7rc1 [September 4, 2004]
|
|
Revised png_set_strip_filler() to not remove alpha if color_type has alpha.
|
|
|
|
version 1.2.7 and 1.0.17 [September 12, 2004]
|
|
Added makefile.hp64
|
|
Changed projects/msvc/png32ms.def to scripts/png32ms.def in makefile.cygwin
|
|
version 1.2.8beta1 [November 1, 2004]
|
|
Fixed bug in png_text_compress() that would fail to complete a large block.
|
|
Fixed bug, introduced in libpng-1.2.7, that overruns a buffer during
|
|
strip alpha operation in png_do_strip_filler().
|
|
Added PNG_1_2_X definition in pngconf.h
|
|
Comment out with #ifdef/#endif png_info_init in png.c and png_read_init
|
|
in pngread.c (as of 1.3.0)
|
|
version 1.2.8beta2 [November 2, 2004]
|
|
Reduce color_type to a nonalpha type after strip alpha operation in
|
|
png_do_strip_filler().
|
|
version 1.2.8beta3 [November 3, 2004]
|
|
Revised definitions of PNG_MAX_UINT_32, PNG_MAX_SIZE, and PNG_MAXSUM
|
|
version 1.2.8beta4 [November 12, 2004]
|
|
Fixed (again) definition of PNG_LIBPNG_VER_DLLNUM in png.h (Cosmin).
|
|
Added PNG_LIBPNG_BUILD_PRIVATE in png.h (Cosmin).
|
|
Set png_ptr->zstream.data_type to Z_BINARY, to avoid unnecessary detection
|
|
of data type in deflate (Cosmin).
|
|
Deprecated but continue to support SPECIALBUILD and PRIVATEBUILD in favor of
|
|
PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
|
|
version 1.2.8beta5 [November 20, 2004]
|
|
Use png_ptr->flags instead of png_ptr->transformations to pass
|
|
PNG_STRIP_ALPHA info to png_do_strip_filler(), to preserve ABI
|
|
compatibility.
|
|
Revised handling of SPECIALBUILD, PRIVATEBUILD,
|
|
PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
|
|
version 1.2.8rc1 [November 24, 2004]
|
|
Moved handling of BUILD macros from pngconf.h to png.h
|
|
Added definition of PNG_LIBPNG_BASE_TYPE in png.h, inadvertently
|
|
omitted from beta5.
|
|
Revised scripts/pngw32.rc
|
|
Despammed mailing addresses by masking "@" with "at".
|
|
Inadvertently installed a supposedly faster test version of pngrutil.c
|
|
version 1.2.8rc2 [November 26, 2004]
|
|
Added two missing "\" in png.h
|
|
Change tests in pngread.c and pngpread.c to
|
|
if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA))
|
|
png_do_read_transformations(png_ptr);
|
|
version 1.2.8rc3 [November 28, 2004]
|
|
Reverted pngrutil.c to version libpng-1.2.8beta5.
|
|
Added scripts/makefile.elf with supporting code in pngconf.h for symbol
|
|
versioning (John Bowler).
|
|
version 1.2.8rc4 [November 29, 2004]
|
|
Added projects/visualc7 (Simon-pierre).
|
|
version 1.2.8rc5 [November 29, 2004]
|
|
Fixed new typo in scripts/pngw32.rc
|
|
|
|
version 1.2.8 [December 3, 2004]
|
|
Removed projects/visualc7, added projects/visualc71.
|
|
|
|
version 1.2.9beta1 [February 21, 2006]
|
|
|
|
Initialized some structure members in pngwutil.c to avoid gcc-4.0.0 complaints
|
|
Revised man page and libpng.txt to make it clear that one should not call
|
|
png_read_end or png_write_end after png_read_png or png_write_png.
|
|
Updated references to png-mng-implement mailing list.
|
|
Fixed an incorrect typecast in pngrutil.c
|
|
Added PNG_NO_READ_SUPPORTED conditional for making a write-only library.
|
|
Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional.
|
|
Optimized alpha-inversion loops in pngwtran.c
|
|
Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c
|
|
Make sure num_trans is <= 256 before copying data in png_set_tRNS().
|
|
Make sure num_palette is <= 256 before copying data in png_set_PLTE().
|
|
Interchanged order of write_swap_alpha and write_invert_alpha transforms.
|
|
Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin).
|
|
Optimized zlib window flag (CINFO) in contrib/pngsuite/*.png (Cosmin).
|
|
Updated scripts/makefile.bc32 for Borland C++ 5.6 (Cosmin).
|
|
Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16,
|
|
png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin).
|
|
Added type cast (png_byte) in png_write_sCAL() (Cosmin).
|
|
Fixed scripts/makefile.cygwin (Christian Biesinger, Cosmin).
|
|
Default iTXt support was inadvertently enabled.
|
|
|
|
version 1.2.9beta2 [February 21, 2006]
|
|
|
|
Check for png_rgb_to_gray and png_gray_to_rgb read transformations before
|
|
checking for png_read_dither in pngrtran.c
|
|
Revised checking of chromaticity limits to accommodate extended RGB
|
|
colorspace (John Denker).
|
|
Changed line endings in some of the project files to CRLF, even in the
|
|
"Unix" tar distributions (Cosmin).
|
|
Made png_get_int_32 and png_save_int_32 always available (Cosmin).
|
|
Updated scripts/pngos2.def, scripts/pngw32.def and projects/wince/png32ce.def
|
|
with the newly exported functions.
|
|
Eliminated distributions without the "configure" script.
|
|
Updated INSTALL instructions.
|
|
|
|
version 1.2.9beta3 [February 24, 2006]
|
|
|
|
Fixed CRCRLF line endings in contrib/visupng/VisualPng.dsp
|
|
Made libpng.pc respect EXEC_PREFIX (D. P. Kreil, J. Bowler)
|
|
Removed reference to pngasmrd.h from Makefile.am
|
|
Renamed CHANGES to ChangeLog.
|
|
Renamed LICENSE to COPYING.
|
|
Renamed ANNOUNCE to NEWS.
|
|
Created AUTHORS file.
|
|
|
|
version 1.2.9beta4 [March 3, 2006]
|
|
|
|
Changed definition of PKGCONFIG from $prefix/lib to $libdir in configure.ac
|
|
Reverted to filenames LICENSE and ANNOUNCE; removed AUTHORS and COPYING.
|
|
Removed newline from the end of some error and warning messages.
|
|
Removed test for sqrt() from configure.ac and configure.
|
|
Made swap tables in pngtrans.c PNG_CONST (Carlo Bramix).
|
|
Disabled default iTXt support that was inadvertently enabled in
|
|
libpng-1.2.9beta1.
|
|
Added "OS2" to list of systems that don't need underscores, in pnggccrd.c
|
|
Removed libpng version and date from *.c files.
|
|
|
|
version 1.2.9beta5 [March 4, 2006]
|
|
Removed trailing blanks from source files.
|
|
Put version and date of latest change in each source file, and changed
|
|
copyright year accordingly.
|
|
More cleanup of configure.ac, Makefile.am, and associated scripts.
|
|
Restored scripts/makefile.elf which was inadvertently deleted.
|
|
|
|
version 1.2.9beta6 [March 6, 2006]
|
|
Fixed typo (RELEASE) in configuration files.
|
|
|
|
version 1.2.9beta7 [March 7, 2006]
|
|
Removed libpng.vers and libpng.sym from libpng12_la_SOURCES in Makefile.am
|
|
Fixed inconsistent #ifdef's around png_sig_bytes() and png_set_sCAL_s()
|
|
in png.h.
|
|
Updated makefile.elf as suggested by debian.
|
|
Made cosmetic changes to some makefiles, adding LN_SF and other macros.
|
|
Made some makefiles accept "exec_prefix".
|
|
|
|
version 1.2.9beta8 [March 9, 2006]
|
|
Fixed some "#if defined (..." which should be "#if defined(..."
|
|
Bug introduced in libpng-1.2.8.
|
|
Fixed inconsistency in definition of png_default_read_data()
|
|
Restored blank that was lost from makefile.sggcc "clean" target in beta7.
|
|
Revised calculation of "current" and "major" for irix in ltmain.sh
|
|
Changed "mkdir" to "MKDIR_P" in some makefiles.
|
|
Separated PNG_EXPAND and PNG_EXPAND_tRNS.
|
|
Added png_set_expand_gray_1_2_4_to_8() and deprecated
|
|
png_set_gray_1_2_4_to_8() which also expands tRNS to alpha.
|
|
|
|
version 1.2.9beta9 [March 10, 2006]
|
|
Include "config.h" in pngconf.h when available.
|
|
Added some checks for NULL png_ptr or NULL info_ptr (timeless)
|
|
|
|
version 1.2.9beta10 [March 20, 2006]
|
|
Removed extra CR from contrib/visualpng/VisualPng.dsw (Cosmin)
|
|
Made pnggccrd.c PIC-compliant (Christian Aichinger).
|
|
Added makefile.mingw (Wolfgang Glas).
|
|
Revised pngconf.h MMX checking.
|
|
|
|
version 1.2.9beta11 [March 22, 2006]
|
|
Fixed out-of-order declaration in pngwrite.c that was introduced in beta9
|
|
Simplified some makefiles by using LIBSO, LIBSOMAJ, and LIBSOVER macros.
|
|
|
|
version 1.2.9rc1 [March 31, 2006]
|
|
Defined PNG_USER_PRIVATEBUILD when including "pngusr.h" (Cosmin).
|
|
Removed nonsensical assertion check from pngtest.c (Cosmin).
|
|
|
|
version 1.2.9 [April 14, 2006]
|
|
Revised makefile.beos and added "none" selector in ltmain.sh
|
|
|
|
version 1.2.10beta1 [April 15, 2006]
|
|
Renamed "config.h" to "png_conf.h" and revised Makefile.am to add
|
|
-DPNG_BUILDING_LIBPNG to compile directive, and modified pngconf.h
|
|
to include png_conf.h only when PNG_BUILDING_LIBPNG is defined.
|
|
|
|
version 1.2.10beta2 [April 15, 2006]
|
|
Manually updated Makefile.in and configure. Changed png_conf.h.in
|
|
back to config.h.
|
|
|
|
version 1.2.10beta3 [April 15, 2006]
|
|
Change png_conf.h back to config.h in pngconf.h.
|
|
|
|
version 1.2.10beta4 [April 16, 2006]
|
|
Change PNG_BUILDING_LIBPNG to PNG_CONFIGURE_LIBPNG in config/Makefile*.
|
|
|
|
version 1.2.10beta5 [April 16, 2006]
|
|
Added a configure check for compiling assembler code in pnggccrd.c
|
|
|
|
version 1.2.10beta6 [April 17, 2006]
|
|
Revised the configure check for pnggccrd.c
|
|
Moved -DPNG_CONFIGURE_LIBPNG into @LIBPNG_DEFINES@
|
|
Added @LIBPNG_DEFINES@ to arguments when building libpng.sym
|
|
|
|
version 1.2.10beta7 [April 18, 2006]
|
|
Change "exec_prefix=$prefix" to "exec_prefix=$(prefix)" in makefiles.
|
|
|
|
version 1.2.10rc1 [April 19, 2006]
|
|
Ensure pngconf.h doesn't define both PNG_USE_PNGGCCRD and PNG_USE_PNGVCRD
|
|
Fixed "LN_FS" typo in makefile.sco and makefile.solaris.
|
|
|
|
version 1.2.10rc2 [April 20, 2006]
|
|
Added a backslash between -DPNG_CONFIGURE_LIBPNG and -DPNG_NO_ASSEMBLER_CODE
|
|
in configure.ac and configure
|
|
Made the configure warning about versioned symbols less arrogant.
|
|
|
|
version 1.2.10rc3 [April 21, 2006]
|
|
Added a note in libpng.txt that png_set_sig_bytes(8) can be used when
|
|
writing an embedded PNG without the 8-byte signature.
|
|
Revised makefiles and configure to avoid making links to libpng.so.*
|
|
|
|
version 1.2.10 [April 23, 2006]
|
|
Reverted configure to "rc2" state.
|
|
|
|
version 1.2.11beta1 [May 31, 2006]
|
|
scripts/libpng.pc.in contained "configure" style version info and would
|
|
not work with makefiles.
|
|
The shared-library makefiles were linking to libpng.so.0 instead of
|
|
libpng.so.3 compatibility as the library.
|
|
|
|
version 1.2.11beta2 [June 2, 2006]
|
|
Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
|
|
buffer overflow.
|
|
Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb)
|
|
|
|
version 1.2.11beta3 [June 5, 2006]
|
|
Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin).
|
|
Removed the accidental leftover Makefile.in~ (Cosmin).
|
|
Avoided potential buffer overflow and optimized buffer in
|
|
png_write_sCAL(), png_write_sCAL_s() (Cosmin).
|
|
Removed the include directories and libraries from CFLAGS and LDFLAGS
|
|
in scripts/makefile.gcc (Nelson A. de Oliveira, Cosmin).
|
|
|
|
version 1.2.11beta4 [June 6, 2006]
|
|
Allow zero-length IDAT chunks after the entire zlib datastream, but not
|
|
after another intervening chunk type.
|
|
|
|
version 1.0.19rc1, 1.2.11rc1 [June 13, 2006]
|
|
Deleted extraneous square brackets from [config.h] in configure.ac
|
|
|
|
version 1.0.19rc2, 1.2.11rc2 [June 14, 2006]
|
|
Added prototypes for PNG_INCH_CONVERSIONS functions to png.h
|
|
Revised INSTALL and autogen.sh
|
|
Fixed typo in several makefiles (-W1 should be -Wl)
|
|
Added typedef for png_int_32 and png_uint_32 on 64-bit systems.
|
|
|
|
version 1.0.19rc3, 1.2.11rc3 [June 15, 2006]
|
|
Removed the new typedefs for 64-bit systems (delay until version 1.4.0)
|
|
Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid
|
|
reading out of bounds.
|
|
|
|
version 1.0.19rc4, 1.2.11rc4 [June 15, 2006]
|
|
Really removed the new typedefs for 64-bit systems.
|
|
|
|
version 1.0.19rc5, 1.2.11rc5 [June 22, 2006]
|
|
Removed png_sig_bytes entry from scripts/pngw32.def
|
|
|
|
version 1.0.19, 1.2.11 [June 26, 2006]
|
|
None.
|
|
|
|
version 1.0.20, 1.2.12 [June 27, 2006]
|
|
Really increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
|
|
buffer overflow.
|
|
|
|
version 1.2.13beta1 [October 2, 2006]
|
|
Removed AC_FUNC_MALLOC from configure.ac
|
|
Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
|
|
Change "logical" to "bitwise" throughout documentation.
|
|
Detect and fix attempt to write wrong iCCP profile length.
|
|
|
|
version 1.0.21, 1.2.13 [November 14, 2006]
|
|
Fix potential buffer overflow in sPLT chunk handler.
|
|
Fix Makefile.am to not try to link to noexistent files.
|
|
Check all exported functions for NULL png_ptr.
|
|
|
|
version 1.2.14beta1 [November 17, 2006]
|
|
Relocated three misplaced tests for NULL png_ptr.
|
|
Built Makefile.in with automake-1.9.6 instead of 1.9.2.
|
|
Build configure with autoconf-2.60 instead of 2.59
|
|
|
|
version 1.2.14beta2 [November 17, 2006]
|
|
Added some typecasts in png_zalloc().
|
|
|
|
version 1.2.14rc1 [November 20, 2006]
|
|
Changed "strtod" to "png_strtod" in pngrutil.c
|
|
|
|
version 1.0.22, 1.2.14 [November 27, 2006]
|
|
Added missing "$(srcdir)" in Makefile.am and Makefile.in
|
|
|
|
version 1.2.15beta1 [December 3, 2006]
|
|
Generated configure with autoconf-2.61 instead of 2.60
|
|
Revised configure.ac to update libpng.pc and libpng-config.
|
|
|
|
version 1.2.15beta2 [December 3, 2006]
|
|
Always export MMX asm functions, just stubs if not building pnggccrd.c
|
|
|
|
version 1.2.15beta3 [December 4, 2006]
|
|
Add "png_bytep" typecast to profile while calculating length in pngwutil.c
|
|
|
|
version 1.2.15beta4 [December 7, 2006]
|
|
Added scripts/CMakeLists.txt
|
|
Changed PNG_NO_ASSEMBLER_CODE to PNG_NO_MMX_CODE in scripts, like 1.4.0beta
|
|
|
|
version 1.2.15beta5 [December 7, 2006]
|
|
Changed some instances of PNG_ASSEMBLER_* to PNG_MMX_* in pnggccrd.c
|
|
Revised scripts/CMakeLists.txt
|
|
|
|
version 1.2.15beta6 [December 13, 2006]
|
|
Revised scripts/CMakeLists.txt and configure.ac
|
|
|
|
version 1.2.15rc1 [December 18, 2006]
|
|
Revised scripts/CMakeLists.txt
|
|
|
|
version 1.2.15rc2 [December 21, 2006]
|
|
Added conditional #undef jmpbuf in pngtest.c to undo #define in AIX headers.
|
|
Added scripts/makefile.nommx
|
|
|
|
version 1.2.15rc3 [December 25, 2006]
|
|
Fixed shared library numbering error that was introduced in 1.2.15beta6.
|
|
|
|
version 1.2.15rc4 [December 27, 2006]
|
|
Fixed handling of rgb_to_gray when png_ptr->color.gray isn't set.
|
|
|
|
version 1.2.15rc5 [December 31, 2006]
|
|
Revised handling of rgb_to_gray.
|
|
|
|
version 1.0.23, 1.2.15 [January 5, 2007]
|
|
Added some (unsigned long) typecasts in pngtest.c to avoid printing errors.
|
|
|
|
version 1.2.16beta1 [January 6, 2007]
|
|
Fix bugs in makefile.nommx
|
|
|
|
version 1.2.16beta2 [January 16, 2007]
|
|
Revised scripts/CMakeLists.txt
|
|
|
|
version 1.0.24, 1.2.16 [January 31, 2007]
|
|
No changes.
|
|
|
|
version 1.2.17beta1 [March 6, 2007]
|
|
Revised scripts/CMakeLists.txt to install both shared and static libraries.
|
|
Deleted a redundant line from pngset.c.
|
|
|
|
version 1.2.17beta2 [April 26, 2007]
|
|
Relocated misplaced test for png_ptr == NULL in pngpread.c
|
|
Change "==" to "&" for testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN
|
|
flags.
|
|
Changed remaining instances of PNG_ASSEMBLER_* to PNG_MMX_*
|
|
Added pngerror() when write_IHDR fails in deflateInit2().
|
|
Added "const" to some array declarations.
|
|
Mention examples of libpng usage in the libpng*.txt and libpng.3 documents.
|
|
|
|
version 1.2.17rc1 [May 4, 2007]
|
|
No changes.
|
|
|
|
version 1.2.17rc2 [May 8, 2007]
|
|
Moved several PNG_HAVE_* macros out of PNG_INTERNAL because applications
|
|
calling set_unknown_chunk_location() need them.
|
|
Changed transformation flag from PNG_EXPAND_tRNS to PNG_EXPAND in
|
|
png_set_expand_gray_1_2_4_to_8().
|
|
Added png_ptr->unknown_chunk to hold working unknown chunk data, so it
|
|
can be free'ed in case of error. Revised unknown chunk handling in
|
|
pngrutil.c and pngpread.c to use this structure.
|
|
|
|
version 1.2.17rc3 [May 8, 2007]
|
|
Revised symbol-handling in configure script.
|
|
|
|
version 1.2.17rc4 [May 10, 2007]
|
|
Revised unknown chunk handling to avoid storing unknown critical chunks.
|
|
|
|
version 1.0.25 [May 15, 2007]
|
|
version 1.2.17 [May 15, 2007]
|
|
Added "png_ptr->num_trans=0" before error return in png_handle_tRNS,
|
|
to eliminate a vulnerability (CVE-2007-2445, CERT VU#684664)
|
|
|
|
version 1.0.26 [May 15, 2007]
|
|
version 1.2.18 [May 15, 2007]
|
|
Reverted the libpng-1.2.17rc3 change to symbol-handling in configure script
|
|
|
|
version 1.2.19beta1 [May 18, 2007]
|
|
Changed "const static" to "static PNG_CONST" everywhere, mostly undoing
|
|
change of libpng-1.2.17beta2. Changed other "const" to "PNG_CONST"
|
|
Changed some handling of unused parameters, to avoid compiler warnings.
|
|
"if (unused == NULL) return;" becomes "unused = unused".
|
|
|
|
version 1.2.19beta2 [May 18, 2007]
|
|
Only use the valid bits of tRNS value in png_do_expand() (Brian Cartier)
|
|
|
|
version 1.2.19beta3 [May 19, 2007]
|
|
Add some "png_byte" typecasts in png_check_keyword() and write new_key
|
|
instead of key in zTXt chunk (Kevin Ryde).
|
|
|
|
version 1.2.19beta4 [May 21, 2007]
|
|
Add png_snprintf() function and use it in place of sprint() for improved
|
|
defense against buffer overflows.
|
|
|
|
version 1.2.19beta5 [May 21, 2007]
|
|
Fixed png_handle_tRNS() to only use the valid bits of tRNS value.
|
|
Changed handling of more unused parameters, to avoid compiler warnings.
|
|
Removed some PNG_CONST in pngwutil.c to avoid compiler warnings.
|
|
|
|
version 1.2.19beta6 [May 22, 2007]
|
|
Added some #ifdef PNG_MMX_CODE_SUPPORTED where needed in pngvcrd.c
|
|
Added a special "_MSC_VER" case that defines png_snprintf to _snprintf
|
|
|
|
version 1.2.19beta7 [May 22, 2007]
|
|
Squelched png_squelch_warnings() in pnggccrd.c and added
|
|
an #ifdef PNG_MMX_CODE_SUPPORTED/#endif block around the declarations
|
|
that caused the warnings that png_squelch_warnings was squelching.
|
|
|
|
version 1.2.19beta8 [May 22, 2007]
|
|
Removed __MMX__ from test in pngconf.h.
|
|
|
|
version 1.2.19beta9 [May 23, 2007]
|
|
Made png_squelch_warnings() available via PNG_SQUELCH_WARNINGS macro.
|
|
Revised png_squelch_warnings() so it might work.
|
|
Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86.
|
|
|
|
version 1.2.19beta10 [May 24, 2007]
|
|
Resquelched png_squelch_warnings(), use "__attribute__((used))" instead.
|
|
|
|
version 1.2.19beta11 [May 28, 2007]
|
|
Return 0 from png_get_sPLT() and png_get_unknown_chunks() if png_ptr is NULL;
|
|
changed three remaining instances of png_strcpy() to png_strncpy() (David
|
|
Hill).
|
|
Make test for NULL row_buf at the beginning of png_do_read_transformations
|
|
unconditional.
|
|
|
|
version 1.2.19beta12 [May 28, 2007]
|
|
Revised pnggccrd.c.
|
|
|
|
version 1.2.19beta13 [June 14, 2007]
|
|
Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h
|
|
|
|
version 1.2.19beta14 [June 16, 2007]
|
|
Fix bug with handling of 16-bit transparency, introduced in 1.2.19beta2
|
|
|
|
version 1.2.19beta15 [June 17, 2007]
|
|
Revised pnggccrd.c.
|
|
|
|
version 1.2.19beta16 [June 18, 2007]
|
|
Revised pnggccrd.c again.
|
|
Updated contrib/gregbook.
|
|
Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"'
|
|
in configure.ac
|
|
|
|
version 1.2.19beta17 [June 19, 2007]
|
|
Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed
|
|
and to not use -O3 unless -DPNG_NO_MMX_CODE is also set.
|
|
|
|
version 1.2.19beta18 [June 23, 2007]
|
|
Replaced some C++ style comments with C style comments in pnggccrd.c.
|
|
Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency
|
|
on pnggccrd.o from many makefiles.
|
|
Added sl and dylib to list of extensions be installed by Makefile.am
|
|
|
|
version 1.2.19beta19 [June 28, 2007]
|
|
Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c
|
|
More cleanup of pnggccrd.c and pngvcrd.c
|
|
|
|
version 1.2.19beta20 [June 29, 2007]
|
|
Rebuilt Makefile.in and configure using libtool-1.5.24.
|
|
Fixed typo in pnggccrd.c
|
|
|
|
version 1.2.19beta21 [June 30, 2007]
|
|
More revision of pnggccrd.c
|
|
Added "test" target to Makefile.in and Makefile.am
|
|
|
|
version 1.2.19beta22 [July 3, 2007]
|
|
Added info about pngrutil/pnggccrd/pngvcrd to png_get_header_version()
|
|
Fix type definition of dummy_value_a, b in pnggccrd.c
|
|
|
|
version 1.2.19beta23 [July 10, 2007]
|
|
Revert change to type definition of dummy_value_a, b in pnggccrd.c
|
|
Make sure __PIC__ is defined in pnggccrd.c when PIC is defined.
|
|
Require gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW on x86_64 platforms
|
|
|
|
version 1.2.19beta24 [July 14, 2007]
|
|
Added PNG_NO_READ_FILTER, PNG_NO_WRITE_FILTER, PNG_NO_WARNING macros.
|
|
Added contrib/pngminim to demonstrate building minimal encoder and decoder
|
|
|
|
version 1.2.19beta25 [July 15, 2007]
|
|
Removed the new PNG_NO_READ_FILTER macro since it would make the library
|
|
unable to read valid PNG files, and filtering is at the heart of the
|
|
PNG format.
|
|
|
|
version 1.2.19beta26 [July 16, 2007]
|
|
Changed "png_free(str)" to "png_free(png_ptr,str)" in pngrutil.c WinCE
|
|
code (Yves Piguet). This bug was introduced in libpng-1.2.14.
|
|
Updated scripts/CMakeLists.txt
|
|
Relocated a misplaced #endif in pnggccrd.c
|
|
|
|
version 1.2.19beta27 [July 17, 2007]
|
|
Fixed incorrect stride and number of bytes copied (was 4 instead of
|
|
6 bytes) in the cleanup loop of pnggccrd.c and pngvcrd.c for handling
|
|
the end of 48-bit interlaced rows (Glenn R-P).
|
|
|
|
version 1.2.19beta28 [July 19, 2007]
|
|
Removed requirement for gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW
|
|
on x86_64 platforms
|
|
Added png_warning() in pngrutil.c for short iCCP, iTXt, sPLT, or zTXT chunks.
|
|
Revised pngtest.c so warnings are displayed regardless of PNG_NO_STDIO.
|
|
|
|
version 1.2.19beta29 [July 20, 2007]
|
|
Fix typo in pnggccrd.c (%%eax should be %%ax in secondloop48)
|
|
|
|
version 1.2.19beta30 [July 26, 2007]
|
|
Revised pnggccrd.c
|
|
|
|
version 1.2.19beta31 [July 27, 2007]
|
|
Fix typos in pnggccrd.c
|
|
|
|
version 1.0.27rc1 and 1.2.19rc1 [July 31, 2007]
|
|
Disable PNG_MMX_CODE_SUPPORTED when PNG_ASSEMBLER_CODE_SUPPORTED is off.
|
|
Enable PNG_MMX_READ_FILTER_* by default, except when gcc-3.x is being
|
|
used (they were inadvertently disabled in libpng-1.2.19beta23).
|
|
Fix some debugging statements in pnggccrd.c and pngrutil.c
|
|
Added information about disabling the MMX code in libpng documentation.
|
|
|
|
version 1.0.27rc2 and 1.2.19rc2 [August 4, 2007]
|
|
Removed some "#if 0" blocks.
|
|
Made a global struct local in pngvcrd.c to make it thread safe.
|
|
Issue a png_error() if application attempts to transform a row tht
|
|
has not been initialized.
|
|
|
|
version 1.0.27rc3 and 1.2.19rc3 [August 9, 2007]
|
|
Slightly revised pngvcrd.c
|
|
|
|
version 1.0.27rc4 and 1.2.19rc4 [August 9, 2007]
|
|
Revised pnggccrd.c debugging change of rc1, which was broken.
|
|
Revised scripts/CMakeLists.txt
|
|
Change default to PNG_NO_GLOBAL_ARRAYS for MSVC.
|
|
Turn off PNG_FLAG_ROW_INIT flag when setting transforms that expand pixels.
|
|
|
|
version 1.0.27rc5 and 1.2.19rc5 [August 10, 2007]
|
|
Fix typo (missing '"') in pnggccrd.c
|
|
Revise handling of png_strtod in recent versions of WINCE
|
|
|
|
version 1.0.27rc6 and 1.2.19rc6 [August 15, 2007]
|
|
Fix typo (missing ',') in contrib/gregbook/readpng2.c
|
|
Undid row initialization error exit added to rc2 and rc4.
|
|
|
|
version 1.0.27 and 1.2.19 [August 18, 2007]
|
|
Conditionally restored row initialization error exit.
|
|
|
|
version 1.2.20beta01 [August 19, 2007]
|
|
Fixed problem with compiling pnggccrd.c on Intel-Apple platforms.
|
|
Changed png_malloc() to png_malloc_warn() in png_set_sPLT().
|
|
Added PNG_NO_ERROR_TEXT feature, with demo in contrib/pngminim
|
|
Removed define PNG_WARN_UNINITIALIZED_ROW 1 /* 0: warning; 1: error */
|
|
because it caused some trouble.
|
|
|
|
version 1.2.20beta02 [August 20, 2007]
|
|
Avoid compiling pnggccrd.c on Intel-Apple platforms.
|
|
|
|
version 1.2.20beta03 [August 20, 2007]
|
|
Added "/D PNG_NO_MMX_CODE" to the non-mmx builds of projects/visualc6
|
|
and visualc71.
|
|
|
|
version 1.2.20beta04 [August 21, 2007]
|
|
Revised pngvcrd.c for improved efficiency (Steve Snyder).
|
|
|
|
version 1.2.20rc1 [August 23, 2007]
|
|
Revised pngconf.h to set PNG_NO_MMX_CODE for gcc-3.x compilers.
|
|
|
|
version 1.2.20rc2 [August 27, 2007]
|
|
Revised scripts/CMakeLists.txt
|
|
Revised #ifdefs to ensure one and only one of pnggccrd.c, pngvcrd.c,
|
|
or part of pngrutil.c is selected.
|
|
|
|
version 1.2.20rc3 [August 30, 2007]
|
|
Remove a little more code in pngwutil.c when PNG_NO_WRITE_FILTER is selected.
|
|
Added /D _CRT_SECURE_NO_WARNINGS to visual6c and visualc71 projects.
|
|
Compile png_mmx_support() in png.c even when PNG_NO_MMX_CODE is defined.
|
|
Restored a "superfluous" #ifdef that was removed from 1.2.20rc2 pnggccrd.c,
|
|
breaking the png_mmx_support() function.
|
|
|
|
version 1.2.20rc4 [September 1, 2007]
|
|
Removed Intel contributions (MMX, Optimized C).
|
|
|
|
version 1.2.20rc5 [September 2, 2007]
|
|
Restored configure and Makefile.in to rc3 and put a snippet of code in
|
|
pnggccrd.c, to ensure configure makes the same PNG_NO_MMX_CODE selection
|
|
|
|
version 1.2.20rc6 [September 2, 2007]
|
|
Fixed bugs in scripts/CMakeLists.txt
|
|
Removed pngvcrd.c references from msvc projects.
|
|
|
|
version 1.0.28 and 1.2.20 [September 8, 2007]
|
|
Removed "(NO READ SUPPORT)" from png_get_header_version() string.
|
|
|
|
version 1.2.21beta1 [September 14, 2007]
|
|
Fixed various mistakes reported by George Cook and Jeff Phillips:
|
|
logical vs bitwise NOT in pngrtran.c, bug introduced in 1.2.19rc2
|
|
16-bit cheap transparency expansion, bug introduced in 1.2.19beta2
|
|
errors with sizeof(unknown_chunk.name), bugs introduced in 1.2.19beta11
|
|
<= compare with unsigned var in pngset.c, should be ==.
|
|
|
|
version 1.2.21beta2 [September 18, 2007]
|
|
Removed some extraneous typecasts.
|
|
|
|
version 1.2.21rc1 [September 25, 2007]
|
|
Fixed potential out-of-bounds reads in png_handle_pCAL() and
|
|
png_handle_ztXt() ("flayer" results reported by Tavis Ormandy).
|
|
|
|
version 1.2.21rc2 [September 26, 2007]
|
|
Fixed potential out-of-bounds reads in png_handle_sCAL(),
|
|
png_handle_iTXt(), and png_push_read_tEXt().
|
|
Remove some PNG_CONST declarations from pngwutil.c to avoid compiler warnings
|
|
Revised makefiles to update paths in libpng.pc properly.
|
|
|
|
version 1.2.21rc3 [September 27, 2007]
|
|
Revised makefiles to update "Libs" in libpng.pc properly.
|
|
|
|
version 1.0.29 and 1.2.21rc3 [October 4, 2007]
|
|
No changes.
|
|
|
|
version 1.2.22beta1 [October 4, 2007]
|
|
Again, fixed logical vs bitwise NOT in pngrtran.c, bug introduced
|
|
in 1.2.19rc2
|
|
|
|
version 1.2.22beta2 [October 5, 2007]
|
|
Fixed string length error in pngset.c (caused crashes while decoding iCCP)
|
|
Add terminating NULL after each instance of png_strncpy().
|
|
|
|
version 1.2.22beta3 [October 6, 2007]
|
|
Fix two off-by-one terminating NULL after png_strncpy().
|
|
|
|
version 1.2.22beta4 [October 7, 2007]
|
|
Changed some 0 to '\0'.
|
|
|
|
version 1.0.30rc1 and 1.2.22rc1 [October 8, 2007]
|
|
No changes.
|
|
|
|
version 1.0.30 and 1.2.22 [October 13, 2007]
|
|
No changes.
|
|
|
|
version 1.2.23beta01 [October 15, 2007]
|
|
Reduced number of invocations of png_strlen() in pngset.c.
|
|
Changed [azAZ09_] to [_abcde...89] in Makefile.am for better localization.
|
|
|
|
version 1.2.23beta02 [October 16, 2007]
|
|
Eliminated png_strncpy() and png_strcpy() (Pierre Poissinger)
|
|
Changed $AN to $(AN) in Makefile.am.
|
|
|
|
version 1.2.23beta03 [October 16, 2007]
|
|
Fixed off-by-one error in pngset.c
|
|
Restore statement to set last character of buffer to \0 in pngerror.c
|
|
|
|
version 1.2.23beta04 [October 23, 2007]
|
|
Reject attempt to set all-zero cHRM values.
|
|
|
|
version 1.2.23beta05 [October 26, 2007]
|
|
Add missing quotes in projects/visualc6, lost in version 1.2.20rc3
|
|
|
|
version 1.2.23rc01 [November 2, 2007]
|
|
No changes.
|
|
|
|
version 1.2.23 [November 6, 2007]
|
|
No changes.
|
|
|
|
version 1.2.24beta01 [November 19, 2007]
|
|
Moved misplaced test for malloc failure in png_set_sPLT(). This bug was
|
|
introduced in libpng-1.2.20beta01.
|
|
Ifdef out avg_row etc from png.h and pngwrite.c when PNG_NO_WRITE_FILTER
|
|
Do not use png_ptr->free_fn and png_ptr->mem_fn in png_destroy_read_struct()
|
|
when png_ptr is NULL (Marshall Clow).
|
|
Updated handling of symbol prefixes in Makefile.am and configure.ac (Mike
|
|
Frysinger).
|
|
|
|
version 1.2.24beta02 [November 30, 2007]
|
|
Removed a useless test and fixed incorrect test in png_set_cHRM_fixed()
|
|
(David Hill).
|
|
|
|
version 1.2.24rc01 [December 7, 2007]
|
|
No changes.
|
|
|
|
version 1.2.24 [December 14, 2007]
|
|
Make sure not to redefine _BSD_SOURCE in pngconf.h
|
|
Revised gather.sh and makefile.std in contrib/pngminim to avoid compiling
|
|
unused files.
|
|
|
|
version 1.2.25beta01 [January 7, 2008]
|
|
Fixed bug with unknown chunk handling, introduced in version 1.2.17rc2
|
|
|
|
version 1.2.25beta02 [January 10, 2008]
|
|
Prevent gamma from being applied twice.
|
|
|
|
version 1.2.25rc01 [January 17, 2008]
|
|
No changes.
|
|
|
|
version 1.2.25beta03 [January 22, 2008]
|
|
Fixed some continue-after-malloc-failure errors in pngset.c (David Hill)
|
|
Check for info_ptr == NULL in png_read_info() and png_process_data().
|
|
Check for possible use of NULL user_png_ver[] in png_create_read_struct().
|
|
Change "if (swidth == NULL)" to "if (sheight == NULL)" in png_handle_sCAL
|
|
(bug introduced in libpng-1.2.4/1.0.13).
|
|
Return from png_destroy_read_struct() if png_ptr_ptr is NULL.
|
|
Fix overflow of "msg" in png_decompress_chunk().
|
|
|
|
version 1.2.25beta04 [January 26, 2008]
|
|
Work around Coverity bug report by slightly refactoring
|
|
png_read_push_finish_row()
|
|
|
|
version 1.2.25beta05 [January 31, 2008]
|
|
Added libpng-1.2.25beta05.tar.lzma to distribution. Get the lzma codec
|
|
from <http://tukaani.org/lzma>.
|
|
Added lp1225b05.7z to distribution. Get the 7-zip decoder from
|
|
from <http://www.7-zip.org>.
|
|
Fixed some broken links in the README file.
|
|
|
|
version 1.2.25beta06 [February 6, 2008]
|
|
Refactored png_read_push_finish_row() again, trying to satisfy Coverity.
|
|
Fixed potential NULL dereference of png_ptr in png_destroy_write_struct();
|
|
clarified potential NULL dereference of png_ptr in png_destroy_read_struct();
|
|
fixed potential NULL dereference of info_ptr in png_handle_bKGD();
|
|
fixed potential NULL dereference of user_png_ver[] in
|
|
png_create_write_struct_2(). (Coverity)
|
|
|
|
version 1.2.25rc02 [February 10, 2008]
|
|
Reset png_ptr->pass in png_read_push_finish_row() before break.
|
|
Changed "pass" from png_byte to int.
|
|
|
|
version 1.2.25 and 1.0.31 [February 18, 2008]
|
|
No changes.
|
|
|
|
version 1.2.26beta01 [February 21, 2008]
|
|
Added missing "(" in pngmem.c. Bug introduced in libpng-1.2.2/1.0.13
|
|
|
|
version 1.2.26beta02 [March 12, 2008]
|
|
Refined error message returned from deflateInit2 in pngwutil.c
|
|
Check IHDR length in png_push_read_chunk() before saving it.
|
|
|
|
version 1.2.26beta03 [March 16, 2008]
|
|
Revised contrib/gregbook to handle premature end-of-file and file
|
|
read errors correctly.
|
|
|
|
version 1.2.26beta04 [March 18, 2008]
|
|
Free png_ptr->big_row_buf and png_ptr->prev_row before allocating
|
|
new copies in png_read_start_row(). Bug introduced in libpng-1.2.22.
|
|
|
|
version 1.2.26beta05 [March 19, 2008]
|
|
Removed extra png_free() added in libpng-1.2.26beta04.
|
|
|
|
version 1.2.26beta06 [March 19, 2008]
|
|
Avoid reallocating big_row_buf and prev_row when the size does not increase.
|
|
|
|
version 1.2.26rc01 [March 26, 2008]
|
|
Ifdef out some code that is unused when interlacing is not supported.
|
|
|
|
versions 1.0.32 and 1.2.26 [April 2, 2008]
|
|
No changes.
|
|
|
|
version 1.2.27beta01 [April 12, 2008]
|
|
Fixed bug (introduced in libpng-1.0.5h) with handling zero-length
|
|
unknown chunks.
|
|
Added more information about png_set_keep_unknown_chunks() to the
|
|
documentation.
|
|
Reject tRNS chunk with out-of-range samples instead of masking off
|
|
the invalid high bits as done in since libpng-1.2.19beta5.
|
|
|
|
version 1.2.27beta02 [April 13, 2008]
|
|
Revised documentation about unknown chunk and user chunk handling.
|
|
Keep tRNS chunk with out-of-range samples and issue a png_warning().
|
|
|
|
version 1.2.27beta03 [April 14, 2008]
|
|
Added check for NULL ptr in TURBOC version of png_free_default().
|
|
Removed several unnecessary checks for NULL before calling png_free().
|
|
Revised png_set_tRNS() so that calling it twice removes and invalidates
|
|
the previous call.
|
|
Revised pngtest to check for out-of-range tRNS samples.
|
|
|
|
version 1.2.27beta04 [April 18, 2008]
|
|
Added AC_LIBTOOL_WIN32_DLL to configure.ac
|
|
Rebuilt Makefile.in, aclocal.m4, and configure with autoconf-2.62
|
|
|
|
version 1.2.27beta05 [April 19, 2008]
|
|
Added MAINTAINERCLEANFILES variable to Makefile.am
|
|
|
|
version 1.2.27beta06 [April 21, 2008]
|
|
Avoid changing color_type from GRAY to RGB by
|
|
png_set_expand_gray_1_2_4_to_8().
|
|
|
|
version 1.2.27rc01 [April 23, 2008]
|
|
Fix broken URL for rfc2083 in png.5 and libpng-*.txt
|
|
|
|
version 1.0.33 and 1.2.27 [April 30, 2008]
|
|
No changes.
|
|
|
|
version 1.0.34 and 1.2.28 [April 30, 2008]
|
|
Rebuilt Makefile.in, aclocal.m4, and configure with autoconf-2.61
|
|
due to backward incompatibilities.
|
|
Removed a stray object file from contrib/gregbook
|
|
|
|
version 1.2.29beta01 [May 1, 2008]
|
|
Removed some stray *.diff and *.orig files
|
|
|
|
version 1.2.29beta02 [May 1, 2008]
|
|
Reverted Makefile.in, aclocal.m4, and configure to the libpng-1.2.26
|
|
versions.
|
|
|
|
version 1.2.29beta03 [May 2, 2008]
|
|
Added --force to autogen libtoolize options and --force-missing to
|
|
automake options.
|
|
Changed $(ECHO) to echo in Makefile.am and Makefile.in
|
|
Updated all configure files to autoconf-2.62
|
|
Comment out pnggcrd.c code with #ifdef/#endif if using MSC_VER
|
|
|
|
version 1.2.29rc01 [May 4, 2008]
|
|
No changes.
|
|
|
|
version 1.0.35 and 1.2.29 [May 8, 2008]
|
|
No changes.
|
|
|
|
version 1.0.37 [May 9, 2008]
|
|
Updated Makefile.in and configure (omitted version 1.0.36).
|
|
|
|
version 1.2.30beta01 [May 29, 2008]
|
|
Updated libpng.pc-configure.in and libpng-config.in per debian bug reports.
|
|
|
|
version 1.2.30beta02 [June 25, 2008]
|
|
Restored png_flush(png_ptr) at the end of png_write_end(), that was
|
|
removed from libpng-1.0.9beta03.
|
|
|
|
version 1.2.30beta03 [July 6, 2008]
|
|
Merged some cosmetic whitespace changes from libpng-1.4.0beta19.
|
|
Inline call of png_get_uint_32() in png_get_uint_31(), as in 1.4.0beta19.
|
|
Added demo of decoding vpAg and sTER chunks to pngtest.c, from 1.4.0beta19.
|
|
Changed PNGMAJ from 0 to 12 in makefile.darwin, which does not like 0.
|
|
Added new private function png_read_chunk_header() from 1.4.0beta19.
|
|
Merge reading of chunk length and chunk type into a single 8-byte read.
|
|
Merge writing of chunk length and chunk type into a single 8-byte write.
|
|
|
|
version 1.2.30beta04 [July 10, 2008]
|
|
Merged more cosmetic whitespace changes from libpng-1.4.0beta19.
|
|
|
|
version 1.0.38rc01, 1.2.30rc01 [July 18, 2008]
|
|
No changes.
|
|
|
|
version 1.0.38rc02, 1.2.30rc02 [July 21, 2008]
|
|
Moved local array "chunkdata" from pngrutil.c to the png_struct, so
|
|
it will be freed by png_read_destroy() in case of a read error (Kurt
|
|
Christensen).
|
|
|
|
version 1.0.38rc03, 1.2.30rc03 [July 21, 2008]
|
|
Changed "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking.
|
|
|
|
version 1.0.38rc04, 1.2.30rc04 [July 22, 2008]
|
|
Changed "chunkdata = NULL" to "png_ptr->chunkdata = NULL" several places in
|
|
png_decompress_chunk().
|
|
|
|
version 1.0.38rc05, 1.2.30rc05 [July 25, 2008]
|
|
Changed all remaining "chunkdata" to "png_ptr->chunkdata" in
|
|
png_decompress_chunk() and remove chunkdata from parameter list.
|
|
Put a call to png_check_chunk_name() in png_read_chunk_header().
|
|
Revised png_check_chunk_name() to reject a name with a lowercase 3rd byte.
|
|
Removed two calls to png_check_chunk_name() occuring later in the process.
|
|
|
|
version 1.0.38rc06, 1.2.30rc06 [July 29, 2008]
|
|
Added a call to png_check_chunk_name() in pngpread.c
|
|
Reverted png_check_chunk_name() to accept a name with a lowercase 3rd byte.
|
|
|
|
version 1.0.38r07, 1.2.30r07 [August 2, 2008]
|
|
Changed "-Wall" to "-W -Wall" in the CFLAGS in all makefiles (Cosmin Truta)
|
|
Declared png_ptr "volatile" in pngread.c and pngwrite.c to avoid warnings.
|
|
Added code in pngset.c to quiet compiler warnings.
|
|
Updated contrib/visupng/cexcept.h to version 2.0.1
|
|
Relocated a misplaced "#endif /* PNG_NO_WRITE_FILTER */" in pngwutil.c
|
|
|
|
version 1.0.38r08, 1.2.30r08 [August 2, 2008]
|
|
Enclose "volatile" declarations in #ifdef PNG_SETJMP_SUPPORTED (Cosmin).
|
|
|
|
version 1.0.38, 1.2.30 [August 14, 2008]
|
|
No changes.
|
|
|
|
version 1.2.31rc01 [August 19, 2008]
|
|
Removed extra crc check at the end of png_handle_cHRM(). Bug introduced
|
|
in libpng-1.2.30beta03 (Heiko Nitzsche).
|
|
|
|
version 1.2.31rc02 [August 19, 2008]
|
|
Added PNG_WRITE_FLUSH_SUPPORTED block around new png_flush() call.
|
|
|
|
version 1.2.31rc03 [August 19, 2008]
|
|
Added PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED block, off by default, around
|
|
new png_flush().
|
|
|
|
version 1.0.39, 1.2.31 [August 21, 2008]
|
|
No changes.
|
|
|
|
version 1.2.32beta01 [September 6, 2008]
|
|
Shortened tIME_string to 29 bytes in pngtest.c (bug introduced in
|
|
libpng-1.2.22).
|
|
Fixed off-by-one error introduced in png_push_read_zTXt() function in
|
|
libpng-1.2.30beta04/pngpread.c (Harald van Dijk)
|
|
These bugs have been given the vulnerability id CVE-2008-3964.
|
|
|
|
version 1.0.40, 1.2.32 [September 18, 2008]
|
|
No changes.
|
|
|
|
version 1.2.33beta01 [October 6, 2008]
|
|
Revised makefile.darwin to fix shared library numbering.
|
|
Change png_set_gray_1_2_4_to_8() to png_set_expand_gray_1_2_4_to_8()
|
|
in example.c (debian bug report)
|
|
|
|
version 1.2.33rc01 [October 15, 2008]
|
|
No changes.
|
|
|
|
version 1.0.41rc01, version 1.2.33rc02 [October 23, 2008]
|
|
Changed remaining "key" to "png_ptr->chunkdata" in png_handle_tEXt()
|
|
to avoid memory leak after memory failure while reading tEXt chunk.`
|
|
|
|
version 1.2.33 [October 31, 2008]
|
|
No changes.
|
|
|
|
version 1.2.34beta01 [November 27, 2008]
|
|
Revised png_warning() to write its message on standard output by default
|
|
when warning_fn is NULL. This was the behavior prior to libpng-1.2.9beta9.
|
|
Fixed string vs pointer-to-string error in png_check_keyword().
|
|
Added png_check_cHRM_fixed() in png.c and moved checking from pngget.c,
|
|
pngrutil.c, and pngwrite.c, and eliminated floating point cHRM checking.
|
|
Added check for zero-area RGB cHRM triangle in png_check_cHRM_fixed().
|
|
In png_check_cHRM_fixed(), ensure white_y is > 0, and removed redundant
|
|
check for all-zero coordinates that is detected by the triangle check.
|
|
Revised png_warning() to write its message on standard output by default
|
|
when warning_fn is NULL.
|
|
|
|
version 1.2.34beta02 [November 28, 2008]
|
|
Corrected off-by-one error in bKGD validity check in png_write_bKGD()
|
|
and in png_handle_bKGD().
|
|
|
|
version 1.2.34beta03 [December 1, 2008]
|
|
Revised bKGD validity check to use >= x instead of > x + 1
|
|
Merged with png_debug from libpng-1.4.0 to remove newlines.
|
|
|
|
version 1.2.34beta04 [December 2, 2008]
|
|
More merging with png_debug from libpng-1.4.0 to remove newlines.
|
|
|
|
version 1.2.34beta05 [December 5, 2008]
|
|
Removed redundant check for key==NULL before calling png_check_keyword()
|
|
to ensure that new_key gets initialized and removed extra warning
|
|
(Arvan Pritchard).
|
|
|
|
version 1.2.34beta06 [December 9, 2008]
|
|
In png_write_png(), respect the placement of the filler bytes in an earlier
|
|
call to png_set_filler() (Jim Barry).
|
|
|
|
version 1.2.34beta07 [December 9, 2008]
|
|
Undid previous change and added PNG_TRANSFORM_STRIP_FILLER_BEFORE and
|
|
PNG_TRANSFORM_STRIP_FILLER_AFTER conditionals and deprecated
|
|
PNG_TRANSFORM_STRIP_FILLER (Jim Barry).
|
|
|
|
version 1.0.42rc01, 1.2.34rc01 [December 11, 2008]
|
|
No changes.
|
|
|
|
version 1.0.42, 1.2.34 [December 18, 2008]
|
|
No changes.
|
|
|
|
version 1.2.35beta01 [February 4, 2009]
|
|
Zero out some arrays of pointers after png_malloc(). (Tavis Ormandy)
|
|
|
|
version 1.2.35beta02 [February 4, 2009]
|
|
Zero out more arrays of pointers after png_malloc().
|
|
|
|
version 1.2.35beta03 [February 5, 2009]
|
|
Use png_memset() instead of a loop to intialize pointers. We realize
|
|
this will not work on platforms where the NULL pointer is not all zeroes.
|
|
|
|
version 1.2.35rc01 [February 11, 2009]
|
|
No changes.
|
|
|
|
version 1.2.35rc02 [February 12, 2009]
|
|
Fix typo in new png_memset call in pngset.c (png_color should be png_charp)
|
|
|
|
version 1.0.43 and 1.2.35 [February 14, 2009]
|
|
No changes.
|
|
|
|
version 1.2.36beta01 [February 28, 2009]
|
|
Revised comments in png_set_read_fn() and png_set_write_fn().
|
|
Revised order of #ifdef's and indentation in png_debug definitions of png.h
|
|
bug introduced in libpng-1.2.34.
|
|
|
|
version 1.2.36beta02 [March 21, 2009]
|
|
Use png_memset() after png_malloc() of big_row_buf when reading an
|
|
interlaced file, to avoid a possible UMR.
|
|
Undid recent revision of PNG_NO_STDIO version of png_write_flush(). Users
|
|
having trouble with fflush() can build with PNG_NO_WRITE_FLUSH defined.
|
|
Revised libpng*.txt documentation about use of png_write_flush().
|
|
Removed fflush() from pngtest.c.
|
|
Added "#define PNG_NO_WRITE_FLUSH" to contrib/pngminim/encoder/pngusr.h
|
|
|
|
version 1.2.36beta03 [March 27, 2009]
|
|
Relocated misplaced PNG_1_0_X define in png.h that caused the prototype
|
|
for png_set_strip_error_numbers() to be omitted from PNG_NO_ASSEMBLER_CODE
|
|
builds. This bug was introduced in libpng-1.2.15beta4.
|
|
Added a section on differences between 1.0.x and 1.2.x to libpng.3/libpng.txt
|
|
|
|
version 1.2.36beta04 [April 5, 2009]
|
|
Fixed potential memory leak of "new_name" in png_write_iCCP() (Ralph Giles)
|
|
|
|
version 1.2.36beta05 [April 24, 2009]
|
|
Added "ifndef PNG_SKIP_SETJMP_CHECK" block in pngconf.h to allow
|
|
application code writers to bypass the check for multiple inclusion
|
|
of setjmp.h when they know that it is safe to ignore the situation.
|
|
Made some cosmetic changes to whitespace in pngtest output.
|
|
Renamed "user_chunk_data" to "my_user_chunk_data" in pngtest.c to suppress
|
|
"shadowed declaration" warning from gcc-4.3.3.
|
|
Renamed "gamma" to "png_gamma" in pngset.c to avoid "shadowed declaration"
|
|
warning about a global "gamma" variable in math.h on some platforms.
|
|
|
|
version 1.2.36rc01 [April 30, 2009]
|
|
No changes.
|
|
|
|
version 1.0.44 and 1.2.36 [May 7, 2009]
|
|
No changes.
|
|
|
|
version 1.2.37beta01 [May 14, 2009]
|
|
Fixed inconsistency in pngrutil.c, introduced in libpng-1.2.36. The
|
|
memset() was using "png_ptr->rowbytes" instead of "row_bytes", which
|
|
the corresponding png_malloc() uses (Joe Drew).
|
|
Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri)
|
|
Updated some of the makefiles in the scripts directory (merged with
|
|
those in libpng-1.4.0beta57).
|
|
|
|
version 1.2.37beta02 [May 19, 2009]
|
|
Fixed typo in libpng documentation (FILTER_AVE should be FILTER_AVG)
|
|
Relocated misplaced #endif in pngwrite.c, sCAL chunk handler.
|
|
Conditionally compile png_read_finish_row() which is not used by
|
|
progressive readers.
|
|
Added contrib/pngminim/preader to demonstrate building minimal progressive
|
|
decoder, based on contrib/gregbook with embedded libpng and zlib.
|
|
|
|
version 1.2.37beta03 [May 20, 2009]
|
|
In contrib/pngminim/*, renamed "makefile.std" to "makefile", since there
|
|
is only one makefile in those directories, and revised the README files
|
|
accordingly.
|
|
Reformated sources in libpng style (3-space indentation, comment format)
|
|
|
|
version 1.2.37rc01 [May 27, 2009]
|
|
No changes.
|
|
|
|
versions 1.2.37 and 1.0.45 [June 4, 2009]
|
|
Reformatted several remaining "else statement;" and "if () statement;" into
|
|
two lines.
|
|
Added "#define PNG_NO_WRITE_SWAP" to contrib/pngminim/encoder/pngusr.h
|
|
and "define PNG_NO_READ_SWAP" to decoder/pngusr.h and preader/pngusr.h
|
|
Added sections about the git repository and our coding style to the
|
|
documentation (merged from libpng-1.4.0beta62)
|
|
Added a section to the libpng documentation about using png_get_io_ptr()
|
|
in configure scripts to detect the presence of libpng.
|
|
|
|
version 1.2.38beta01 [June 17, 2009]
|
|
Revised libpng*.txt and libpng.3 to mention calling png_set_IHDR()
|
|
multiple times and to specify the sample order in the tRNS chunk,
|
|
because the ISO PNG specification has a typo in the tRNS table.
|
|
Changed several PNG_UNKNOWN_CHUNK_SUPPORTED to
|
|
PNG_HANDLE_AS_UNKNOWN_SUPPORTED, to make the png_set_keep mechanism
|
|
available for ignoring known chunks even when not saving unknown chunks.
|
|
Adopted preference for consistent use of "#ifdef" and "#ifndef" versus
|
|
"#if defined()" and "if !defined()" where possible.
|
|
Added PNG_NO_HANDLE_AS_UNKNOWN in the PNG_LEGACY_SUPPORTED block of
|
|
pngconf.h, and moved the various unknown chunk macro definitions
|
|
outside of the PNG_READ|WRITE_ANCILLARY_CHUNK_SUPPORTED blocks.
|
|
|
|
version 1.0.46 [June 18, 2009]
|
|
Removed some editing cruft from scripts/libpng.pc.in and some makefiles.
|
|
|
|
version 1.2.38rc01 [June 24, 2009]
|
|
No changes.
|
|
|
|
version 1.2.38rc02 [June 29, 2009]
|
|
Added a reference to the libpng license in each source file.
|
|
|
|
version 1.2.38rc03 [July 11, 2009]
|
|
Revised references to the libpng license in pngconf.h and contrib/visupng
|
|
source files.
|
|
Rebuilt configure scripts with autoconf-2.63.
|
|
|
|
version 1.0.47 and 1.2.38 [July 16, 2009]
|
|
No changes.
|
|
|
|
version 1.2.39beta01 [July 25, 2009]
|
|
Added a prototype for png_64bit_product() in png.c
|
|
|
|
version 1.2.39beta02 [July 27, 2009]
|
|
Avoid a possible NULL dereference in debug build, in png_set_text_2().
|
|
(bug introduced in libpng-0.95, discovered by Evan Rouault)
|
|
|
|
version 1.2.39beta03 [July 29, 2009]
|
|
Relocated new png_64_bit_product() prototype into png.h
|
|
Expanded the information about prototypes in the libpng style section of
|
|
the documentation.
|
|
Rebuilt configure scripts with autoconf-2.64.
|
|
|
|
version 1.2.39beta04 [August 1, 2009]
|
|
Replaced *.tar.lzma with *.txz in distribution. Get the xz codec
|
|
from <http://tukaani.org/xz>.
|
|
|
|
version 1.2.39beta05 [August 1, 2009]
|
|
Reject attempt to write iCCP chunk with negative embedded profile length
|
|
(JD Chen)
|
|
|
|
version 1.2.39c01 [August 6, 2009]
|
|
No changes.
|
|
|
|
version 1.2.39 and 1.0.48 [August 13, 2009]
|
|
No changes.
|
|
|
|
version 1.2.40beta01 [August 20, 2009]
|
|
Removed an extra png_debug() recently added to png_write_find_filter().
|
|
Fixed incorrect #ifdef in pngset.c regarding unknown chunk support.
|
|
|
|
version 1.2.40rc01 [September 2, 2009]
|
|
Various bugfixes and improvements to CMakeLists.txt (Philip Lowman)
|
|
|
|
version 1.2.40 and 1.0.49 [September 2, 2009]
|
|
No changes.
|
|
|
|
version 1.0.50 [September 10, 2009]
|
|
Removed some editing cruft from pngset.c and pngwutil.c.
|
|
|
|
version 1.2.41beta01 [September 25, 2009]
|
|
Moved redundant IHDR checking into new png_check_IHDR() in png.c
|
|
and report all errors found in the IHDR data.
|
|
Eliminated useless call to png_check_cHRM() from pngset.c
|
|
Expanded TAB characters in pngrtran.c
|
|
|
|
version 1.2.41beta02 [September 30, 2009]
|
|
Revised png_check_IHDR().
|
|
|
|
version 1.2.41beta03 [October 1, 2009]
|
|
Revised png_check_IHDR() again, to check info_ptr members instead of
|
|
the contents of the returned parameters.
|
|
|
|
version 1.2.41beta04 [October 7, 2009]
|
|
Added "xcode" project similar one already in libpng-1.4.0beta (Alam Arias).
|
|
Ported some cosmetic changes from libpng-1.4.0beta86.
|
|
Eliminated a shadowed declaration of "pp" in png_handle_sPLT().
|
|
|
|
version 1.2.41beta05 [October 17, 2009]
|
|
Revised pngconf.h to make it easier to enable iTXt support. From libpng
|
|
version 1.2.9 through 1.2.40, defining PNG_iTXt_SUPPORTED did not work
|
|
as expected.
|
|
Ported some cosmetic changes from libpng-1.4.0beta87, changing
|
|
many "#if defined(x)" to "#ifdef x".
|
|
|
|
version 1.2.41beta06 [October 18, 2009]
|
|
Restored PNG_USE_LOCAL_ARRAYS code in pngread.c that was inadvertently
|
|
deleted in libpng-1.2.41beta05.
|
|
Converted all PNG_NO_* tests to PNG_*_SUPPORTED everywhere except pngconf.h
|
|
as in libpng-1.4.0beta78 and later.
|
|
|
|
version 1.2.41beta07 [October 21, 2009]
|
|
Ported some cosmetic changes from libpng-1.4.0rc01, changing
|
|
many "#if defined(x)" to "#ifdef x" in png.h and pngconf.h.
|
|
|
|
version 1.2.41beta08 [October 30, 2009]
|
|
Ported from libpng-1.4.0rc01: png_calloc(), png_get_io_chunk_name(),
|
|
png_get_io_state(), png_set_user_cache_max(), png_get_user_cache_max(),
|
|
png_set_premultiply_alpha, and png_do_read_premultiply_alpha().
|
|
Relocated png_do_chop() ahead of building gamma tables in pngrtran.c
|
|
This avoids building 16-bit gamma tables unnecessarily.
|
|
|
|
version 1.2.41beta09 [November 1, 2009]
|
|
Removed a harmless extra png_set_invert_alpha() from pngwrite.c
|
|
More bugfixes and improvements to CMakeLists.txt (Philip Lowman)
|
|
Moved CMakeLists.txt from scripts into the main libpng directory.
|
|
Apply png_user_chunk_cache_max within png_decompress_chunk().
|
|
Merged libpng-1.2.41.txt with libpng-1.4.0.txt where appropriate.
|
|
|
|
version 1.2.41beta10 [November 1, 2009]
|
|
Enabled iTXt support by default. To ensure binary compatibility with
|
|
previous versions, the "lang" and "lang_key" members will be assumed
|
|
to be omitted from previous versions unless the current libpng
|
|
version was built with PNG_iTXt_SUPPORTED (which is otherwise no
|
|
longer necessary to gain iTXt support), as a signal that the user has
|
|
been building previous versions with PNG_iTXt_SUPPORTED as well.
|
|
|
|
version 1.2.41beta11 [November 2, 2009]
|
|
Store user's user_png_ver in new png_ptr->user_png_ver element.
|
|
Revised iTXt support. To ensure binary compatibility with
|
|
previous versions, the "lang" and "lang_key" members will be assumed
|
|
to be omitted from versions prior to 1.2.41beta11 whenever there is a
|
|
library mismatch.
|
|
|
|
version 1.2.41beta12 [November 2, 2009]
|
|
Free png_ptr->user_png_ver when destroying png_ptr.
|
|
|
|
version 1.2.41beta13 [November 3, 2009]
|
|
Updated scripts/pngw32.def and projects/wince/png32ce.def
|
|
Copied projects/wince/png32ce.def to the scripts directory.
|
|
Added scripts/makefile.wce
|
|
Patched ltmain.sh for wince support.
|
|
Added PNG_CONVERT_tIME_SUPPORTED macro.
|
|
|
|
version 1.2.41beta14 [November 8, 2009]
|
|
versions 1.2.41beta05 through 1.2.41beta13 were abandoned.
|
|
The 1.0.x/1.2.x series will only receive security updates from now on.
|
|
Make inclusion of time.h in pngconf.h depend on PNG_CONVERT_tIME_SUPPORTED
|
|
Make #define PNG_CONVERT_tIME_SUPPORTED depend on PNG_WRITE_tIME_SUPPORTED
|
|
Reverted iTXt compatibility stuff from 1.2.41beta05, 1.2.41beta11, and
|
|
1.2.41beta12.
|
|
Reverted IOSTATE feature, user_cache_max, and premultiply_alpha features
|
|
from 1.2.41beta08.
|
|
Retained png_calloc() from 1.2.41beta08 but as a non-exported function,
|
|
and removed reference to png_calloc from scripts/*.def
|
|
|
|
version 1.2.41beta15 [November 8, 2009]
|
|
Added PNG_DEPSTRUCT, PNG_DEPRECATED, PNG_USE_RESULT, PNG_NORETURN, and
|
|
PNG_ALLOCATED macros to detect deprecated direct access to the
|
|
png_struct or info_struct members and other deprecated usage in
|
|
applications (John Bowler).
|
|
Updated scripts/makefile* to add "-DPNG_CONFIGURE_LIBPNG" to CFLAGS,
|
|
to prevent warnings about direct access to png structs by libpng
|
|
functions while building libpng. They need to be tested, especially
|
|
those using compilers other than gcc.
|
|
Updated projects/visualc6 and visualc71 with "/d PNG_CONFIGURE_LIBPNG".
|
|
|
|
version 1.2.41beta16 [November 9, 2009]
|
|
Removed three direct references to read_info_ptr members in pngtest.c
|
|
that were detected by the new PNG_DEPSTRUCT macro.
|
|
Only #define PNG_DEPSTRUCT, etc. in pngconf.h if not already defined.
|
|
|
|
version 1.2.41beta17 [November 10, 2009]
|
|
Updated CMakeLists.txt to add "-DPNG_CONFIGURE_LIBPNG" to the definitions.
|
|
Marked deprecated function prototypes with PNG_DEPRECATED.
|
|
Marked memory allocation function prototypes with PNG_ALLOCATED.
|
|
Changed png_check_sig() to !png_sig_cmp() in contrib programs.
|
|
Corrected the png_get_IHDR() call in contrib/gregbook/readpng2.c
|
|
Added "-DPNG_CONFIGURE_LIBPNG" to the contrib/pngminum makefiles.
|
|
|
|
version 1.2.41beta18 [November 11, 2009]
|
|
Renamed scripts/makefile.wce to scripts/makefile.cegcc
|
|
Marked nonexported functions with PNG_PRIVATE macro.
|
|
|
|
version 1.2.41rc01 and 1.0.51rc01 [November 18, 2009]
|
|
Revised scripts/*.def to reflect functions actually exported by libpng.
|
|
Updated the copyright year in scripts/pngw32.rc from 2004 to 2009.
|
|
Moved descriptions of makefiles and other scripts out of INSTALL into
|
|
scripts/README.txt
|
|
|
|
version 1.2.41rc02 [November 22, 2009]
|
|
Rebuilt the configure scripts with autoconf-2.65
|
|
|
|
version 1.2.41rc03 [November 25, 2009]
|
|
Disabled the new pedantic warnings about deprecated function use
|
|
and deprecated structure access unless the user defines
|
|
PNG_PEDANTIC_WARNINGS.
|
|
Added "#define PNG_NO_PEDANTIC_WARNINGS" in the libpng source files.
|
|
Removed "-DPNG_CONFIGURE_LIBPNG" from the makefiles and projects.
|
|
|
|
version 1.2.41 and 1.0.51 [December 3, 2009]
|
|
Updated the list of files and made some cosmetic changes in README.
|
|
|
|
version 1.2.42beta01 [December 4, 2009]
|
|
Removed "#define PNG_NO_ERROR_NUMBERS" that was inadvertently added
|
|
to pngconf.h in version 1.2.41.
|
|
Revised scripts/makefile.netbsd, makefile.openbsd, and makefile.sco
|
|
to put png.h and pngconf.h in $prefix/include, like the other scripts,
|
|
instead of in $prefix/include/libpng. Also revised makefile.sco
|
|
to put them in $prefix/include/libpng12 instead of in
|
|
$prefix/include/libpng/libpng12.
|
|
Removed leftover "-DPNG_CONFIGURE_LIBPNG" from scripts/makefile.darwin
|
|
|
|
version 1.2.42beta02 [December 11, 2009]
|
|
Removed leftover "-DPNG_CONFIGURE_LIBPNG" from contrib/pngminim/*/makefile
|
|
Relocated png_do_chop() to its original position in pngrtran.c. The
|
|
change in version 1.2.41beta08 caused transparency to be handled wrong
|
|
in some 16-bit datastreams (Yusaku Sugai).
|
|
|
|
version 1.2.42rc01 [December 17, 2009]
|
|
No changes.
|
|
|
|
version 1.2.42rc02 [December 22, 2009]
|
|
Renamed libpng-pc.in back to libpng.pc.in and revised CMakeLists.txt
|
|
(revising changes made in 1.2.41beta17 and 1.2.41rc01)
|
|
|
|
version 1.2.42rc03 [December 25, 2009]
|
|
Swapped PNG_UNKNOWN_CHUNKS_SUPPORTED and PNG_HANDLE_AS_UNKNOWN_SUPPORTED
|
|
in pngset.c to be consistent with other changes in version 1.2.38.
|
|
|
|
version 1.2.42rc04 [January 1, 2010]
|
|
Marked png_memcpy_check() and png_memset_check() PNG_DEPRECATED.
|
|
Updated copyright year.
|
|
|
|
version 1.2.42rc05 [January 2, 2010]
|
|
Avoid deprecated references to png_ptr-io_ptr and png_ptr->error_ptr
|
|
in pngtest.c
|
|
|
|
version 1.2.42 and 1.0.52 [January 3, 2010]
|
|
No changes.
|
|
|
|
version 1.2.43beta01 [January 27, 2010]
|
|
Updated CMakeLists.txt for consistent indentation and to avoid an
|
|
unclosed if-statement warning (Philip Lowman).
|
|
Removed "#ifdef PNG_1_0_X / #endif" surrounding
|
|
PNG_READ_16_TO_8_SUPPORTED and PNG_READ_GRAY_TO_RGB_SUPPORTED
|
|
in pngconf.h. These were added in libpng-1.2.41beta08 and libpng-1.0.51,
|
|
which introduced a binary incompatibility with libpng-1.0.50.
|
|
Backported new png_decompress_chunk() algorithm from libpng-1.4.1.
|
|
|
|
version 1.2.43beta02 [February 1, 2010]
|
|
Backported two-pass png_decompress_chunk() algorithm from libpng-1.4.1.
|
|
|
|
version 1.2.43beta03 [February 6, 2010]
|
|
Backported fast png_push_save_buffer() algorithm from libpng-1.4.1.
|
|
Backported some cosmetic changes from libpng-1.4.1.
|
|
|
|
version 1.2.43beta04 [February 8, 2010]
|
|
Reverted recent changes to png_push_save-buffer().
|
|
Removed PNGAPI declaration of png_calloc() and png_write_sig() in
|
|
1ibpng-1.2.X, introduced by mistake in libpng-1.2.41.
|
|
Return allocated "old_buffer" in png_push_save_buffer() before png_error()
|
|
to avoid a potential memory leak.
|
|
|
|
version 1.2.43beta05 [February 8, 2010]
|
|
Ported rewritten png_decompress_chunk() by John Bowler from libpng-1.4.1.
|
|
|
|
version 1.0.53rc01 and 1.2.43rc01 [February 18, 2010]
|
|
No changes.
|
|
|
|
version 1.0.53rc02 and 1.2.43rc02 [February 19, 2010]
|
|
Define _ALL_SOURCE in configure.ac, makefile.aix, and CMakeLists.txt
|
|
when using AIX compiler.
|
|
|
|
version 1.0.53 and 1.2.43 [February 25, 2010]
|
|
Removed unused gzio.c from contrib/pngminim gather and makefile scripts
|
|
|
|
version 1.2.44beta01 [June 18, 2010]
|
|
In pngpread.c: png_push_have_row() add check for new_row > height
|
|
Removed the now-redundant check for out-of-bounds new_row from example.c
|
|
|
|
version 1.2.44beta02 [June 19, 2010]
|
|
In pngpread.c: png_push_process_row() add check for too many rows.
|
|
Removed the now-redundant check for new_row > height in png_push_have_row().
|
|
|
|
version 1.2.44beta03 [June 20, 2010]
|
|
Rewrote png_process_IDAT_data() to consistently treat extra data as warnings
|
|
and handle end conditions more cleanly.
|
|
Removed the new (beta02) check in png_push_process_row().
|
|
|
|
version 1.2.44rc01 [June 21, 2010]
|
|
Revised some comments in png_process_IDAT_data().
|
|
|
|
version 1.2.44rc02 [June 22, 2010]
|
|
Stop memory leak when reading a malformed sCAL chunk.
|
|
|
|
version 1.2.44rc03 [June 23, 2010]
|
|
Revised pngpread.c patch of beta05 to avoid an endless loop.
|
|
|
|
version 1.2.44 [June 26, 2010]
|
|
Updated some of the "last changed" dates.
|
|
|
|
version 1.2.45beta01 [June 7, 2011]
|
|
Fixed uninitialized memory read in png_format_buffer() (Bug
|
|
report by Frank Busse, related to CVE-2004-0421).
|
|
Pass "" instead of '\0' to png_default_error() in png_err(). This mistake
|
|
was introduced in libpng-1.2.20beta01.
|
|
Check for up->location !PNG_AFTER_IDAT when writing unknown chunks
|
|
before IDAT.
|
|
Ported bugfix in pngrtran.c from 1.5.3: when expanding a paletted image,
|
|
always expand to RGBA if transparency is present.
|
|
|
|
version 1.2.45beta02 [June 8, 2011]
|
|
Check for integer overflow in png_set_rgb_to_gray().
|
|
|
|
version 1.2.45beta03 [June 19, 2011]
|
|
Check for sCAL chunk too short.
|
|
|
|
version 1.2.45rc01 and 1.0.55rc01 [June 30, 2011]
|
|
Updated "last changed" dates and copyright year.
|
|
|
|
version 1.2.45 and 1.0.55 [July 7, 2011]
|
|
No changes.
|
|
|
|
version 1.2.46rc01 and 1.0.56rc01 [July 8, 2011]
|
|
Reverted changes to Makefile.am and Makefile.in to libpng-1.2.44 versions.
|
|
|
|
version 1.2.46rc02 and 1.0.56rc02 [July 8, 2011]
|
|
Added CMakeLists.txt, projects/xcode, and pnggccrd.c to EXTRA_DIST in
|
|
Makefile.am and Makefile.in
|
|
|
|
version 1.2.46 and 1.0.56 [July 9, 2011]
|
|
Udated copyright year to 2011.
|
|
|
|
version 1.2.47beta01 [February 17, 2012]
|
|
Updated contrib/pngminus/makefile.std (Samuli Souminen)
|
|
|
|
version 1.0.57rc01 and 1.2.47rc01 [February 17, 2012]
|
|
Fixed CVE-2011-3026 buffer overrun bug. This bug was introduced when
|
|
iCCP chunk support was added at libpng-1.0.6.
|
|
|
|
version 1.0.57 and 1.2.47 [February 18, 2012]
|
|
No changes.
|
|
|
|
version 1.2.48beta01 [February 27, 2012]
|
|
Removed two useless #ifdef directives from pngread.c and one from pngrutil.c
|
|
Eliminated redundant png_push_read_tEXt|zTXt|iTXt|unknown code from
|
|
pngpread.c and use the sequential png_handle_tEXt, etc., in pngrutil.c;
|
|
now that png_ptr->buffer is inaccessible to applications, the special
|
|
handling is no longer useful.
|
|
Fixed bug with png_handle_hIST with odd chunk length (Frank Busse).
|
|
Fixed incorrect type (int copy should be png_size_t copy) in png_inflate().
|
|
Fixed off-by-one bug in png_handle_sCAL() when using fixed point arithmetic,
|
|
causing out-of-bounds read in png_set_sCAL() because of failure to copy
|
|
the string terminators. This bug was introduced in libpng-1.0.6 (Frank
|
|
Busse).
|
|
|
|
version 1.2.48rc01 [March 2, 2012]
|
|
Removed the png_free() of unused png_ptr->current_text from pngread.c.
|
|
Added libpng license text to pnggccrd.c and pngvcrd.c (requested by Chrome).
|
|
|
|
version 1.2.48rc02 [March 2, 2012]
|
|
Removed all of the assembler code from pnggccrd.c and just "return 2;".
|
|
|
|
version 1.0.58 and 1.2.48 [March 8, 2012]
|
|
No changes.
|
|
|
|
version 1.0.59 and 1.2.49 [March 29, 2012]
|
|
Revised png_set_text_2() to avoid potential memory corruption (fixes
|
|
CVE-2011-3048, also known as CVE-2012-3425).
|
|
Prevent PNG_EXPAND+PNG_SHIFT doing the shift twice.
|
|
|
|
version 1.0.60 and 1.2.50 [July 9, 2012]
|
|
Changed "a+w" to "u+w" in Makefile.in to fix CVE-2012-3386.
|
|
|
|
version 1.2.51beta01 [January 22, 2013]
|
|
Ignore, with a warning, out-of-range value of num_trans in png_set_tRNS().
|
|
Replaced AM_CONFIG_HEADER(config.h) with AC_CONFIG_HEADERS([config.h])
|
|
in configure.ac
|
|
Changed default value of PNG_USER_CACHE_MAX from 0 to 32767 in pngconf.h.
|
|
|
|
version 1.2.51beta02 [June 13, 2013]
|
|
Avoid a possible memory leak in contrib/gregbook/readpng.c
|
|
Revised libpng.3 so that "doclifter" can process it.
|
|
|
|
version 1.2.51beta03 [January 1, 2014]
|
|
Changed '"%s"m' to '"%s" m' in png_debug macros to improve portability
|
|
among compilers.
|
|
Rebuilt the configure scripts with autoconf-2.69 and automake-1.14.1
|
|
|
|
version 1.2.51beta04 [January 10, 2014]
|
|
Removed potentially misleading warning from png_check_IHDR().
|
|
|
|
version 1.2.51beta05 [January 22, 2014]
|
|
Quiet set-but-not-used warnings in pngset.c
|
|
|
|
version 1.2.51rc01 [January 28, 2014]
|
|
No changes.
|
|
|
|
version 1.2.51rc02 [January 30, 2014]
|
|
Quiet an uninitialized memory warning from VC2013 in png_get_png().
|
|
|
|
version 1.2.51rc03 [February 3, 2014]
|
|
Quiet unused variable warnings from clang by porting PNG_UNUSED() from
|
|
libpng-1.4.6.
|
|
|
|
version 1.2.51rc04 [February 3, 2014]
|
|
Added -DZ_SOLO to CFLAGS in contrib/pngminim/*/makefile
|
|
|
|
version 1.0.61 and 1.2.51 [February 6, 2014]
|
|
Added an #ifdef PNG_FIXED_POINT_SUPPORTED/#endif in pngset.c
|
|
|
|
version 1.2.52beta01 [November 6, 2014]
|
|
Avoid out-of-bounds memory access while checking version string in
|
|
pngread.c and pngwrite.c
|
|
|
|
version 1.2.52rc01 [November 13, 2014]
|
|
No changes.
|
|
|
|
version 1.2.52rc02 [November 17, 2014]
|
|
Added "-D_CRT_SECURE_NO_DEPRECATE" to CFLAGS in scripts/makefile.vcwin32
|
|
and scripts/makefile.vcawin32.
|
|
|
|
version 1.0.62 and 1.2.52 [November 20, 2014]
|
|
No changes.
|
|
|
|
version 1.2.53beta01 [omitted]
|
|
|
|
version 1.2.53beta02 [February 6, 2015]
|
|
Issue a png_error() instead of a png_warning() when width is
|
|
potentially too large for the architecture, in case the calling
|
|
application has overridden the default 1,000,000-column limit
|
|
(fixes CVE-2014-9495 and CVE-2015-0973).
|
|
Quieted some harmless warnings from Coverity-scan.
|
|
|
|
version 1.2.53rc01 [February 12, 2015]
|
|
No changes.
|
|
|
|
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
|
|
(subscription required; visit
|
|
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
|
|
to subscribe)
|
|
or to glennrp at users.sourceforge.net
|
|
|
|
Glenn R-P
|
|
#endif
|