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Imported from libpng-0.99e.tar

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Glenn Randers-Pehrson
1998-02-28 07:00:24 -06:00
parent a357b99113
commit cbe52d8720
28 changed files with 843 additions and 694 deletions
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@@ -224,12 +224,23 @@ version 0.99c [February 7, 1998]
More type casting. Removed erroneous overflow test in pngmem.c.
Added png_buffered_memcpy() and png_buffered_memset(), apply them to rowbytes.
Added UNIX manual pages libpng.3 (incorporating libpng.txt) and png.5.
version 0.99d [February 8, 1998]
version 0.99d [February 11, 1998]
Renamed "far_to_near()" "png_far_to_near()"
Revised libpng.3
Version 99c "buffered" operations didn't work as intended. Replaced them
with png_memcpy_check() and png_memset_check().
version 0.99e [February 9, 1998]
Fixed a bug with background compositing of paletted images in pngrtran.c
with png_memcpy_check() and png_memset_check().
Added many "if (png_ptr == NULL) return" to quell compiler warnings about
unused png_ptr, mostly in pngget.c and pngset.c.
unused png_ptr, mostly in pngget.c and pngset.c.
Check for overlength tRNS chunk present when indexed-color PLTE is read.
Cleaned up spelling errors in libpng.3/libpng.txt
Corrected a problem with png_get_tRNS() which returned undefined trans array
version 0.99e [February 28, 1998]
Corrected png_get_tRNS() again.
Add parentheses for easier reading of pngget.c, fixed "||" should be "&&".
Touched up example.c to make more of it compileable, although the entire
file still can't be compiled (Willem van Schaik)
Fixed a bug in png_do_shift() (Bryan Tsai)
Added a space in png.h prototype for png_write_chunk_start()
Replaced pngtest.png with one created with zlib 1.1.1
Changed pngtest to report PASS even when file size is different (Jean-loup G.)
Corrected some logic errors in png_do_invert_alpha() (Chris Patterson)