| pngchange.txt - changes for libpng |
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| version 0.2 |
| added reader into png.h |
| fixed small problems in stub file |
| version 0.3 |
| added pull reader |
| split up pngwrite.c to several files |
| added pnglib.txt |
| added example.c |
| cleaned up writer, adding a few new tranformations |
| fixed some bugs in writer |
| interfaced with zlib 0.5 |
| added K&R support |
| added check for 64 KB blocks for 16 bit machines |
| version 0.4 |
| cleaned up code and commented code |
| simplified time handling into png_time |
| created png_color_16 and png_color_8 to handle color needs |
| cleaned up color type defines |
| fixed various bugs |
| made various names more consistant |
| interfaced with zlib 0.71 |
| cleaned up zTXt reader and writer (using zlib's Reset functions) |
| split transformations into pngrtran.c and pngwtran.c |
| version 0.5 |
| interfaced with zlib 0.8 |
| fixed many reading and writing bugs |
| saved using 3 spaces instead of tabs |
| version 0.6 |
| added png_large_malloc() and png_large_free() |
| added png_size_t |
| cleaned up some compiler warnings |
| added png_start_read_image() |
| version 0.7 |
| cleaned up lots of bugs |
| finished dithering and other stuff |
| added test program |
| changed name from pnglib to libpng |
| version 0.71 |
| changed pngtest.png for zlib 0.93 |
| fixed error in libpng.txt and example.c |
| version 0.8 |
| cleaned up some bugs |
| added png_set_filler() |
| split up pngstub.c into pngmem.c, pngio.c, and pngerror.c |
| added #define's to remove unwanted code |
| moved png_info_init() to png.c |
| added old_size into png_realloc() |
| added functions to manually set filtering and compression info |
| changed compression parameters based on image type |
| optimized filter selection code |
| added version info |
| changed external functions passing floats to doubles (k&r problems?) |
| put all the configurable stuff in pngconf.h |
| enabled png_set_shift to work with paletted images on read |
| added png_read_update_info() - updates info structure with transformations |
| version 0.81 |
| incorporated Tim Wegner's medium model code (thanks, Tim) |
| version 0.85 |
| added more medium model code (almost everythings a far) |
| added i/o, error, and memory callback functions |
| fixed some bugs (16 bit, 4 bit interlaced, etc.) |
| added first run progressive reader (barely tested) |
| version 0.86 |
| fixed bugs |
| improved documentation |
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