46 lines
2.3 KiB
Plaintext
46 lines
2.3 KiB
Plaintext
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Libpng 1.0.2b - January 6, 1999
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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Changes since the last public release:
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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
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passes that it should skip, for images that are less than 3 pixels high.
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Interchanged the order of calls to png_do_swap() and png_do_shift()
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in pngwtran.c (John Cromer).
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Added #ifdef PNG_DEBUG/#endif surrounding use of PNG_DEBUG in png.h .
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Changed "bad adaptive filter type" from error to warning in pngrutil.c .
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Fixed a documentation error about default filtering with 8-bit indexed-color.
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Separated the PNG_NO_STDIO macro into PNG_NO_STDIO and PNG_NO_CONSOLE_IO
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(L. Peter Deutsch).
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Added png_set_rgb_to_gray() and png_get_rgb_to_gray_status() functions.
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Added png_get_copyright() and png_get_header_version() functions.
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Revised comments on png_set_progressive_read_fn() in libpng.txt and example.c
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Added information about debugging in libpng.txt and libpng.3 .
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Changed "ln -sf" to "ln -s -f" in makefile.s2x, makefile.lnx, and makefile.sco.
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Removed lines after Dynamic Dependencies" in makefile.aco .
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Revised makefile.dec to make a shared library (Jeremie Petit).
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Removed trailing blanks from all files.
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version 1.0.2b [January 6, 1999]
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Removed misplaced #endif and #ifdef PNG_NO_EXTERN near the end of png.h
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Added "if" tests to silence complaints about unused png_ptr in png.h and png.c
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Changed "check_if_png" function in example.c to return true (nonzero) if PNG.
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Changed libpng.txt to demonstrate png_sig_cmp() instead of png_check_sig()
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which is obsolete.
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Send comments/corrections/commendations to
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png-implement@dworkin.wustl.edu or to randeg@alumni.rpi.edu
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Glenn R-P
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