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[libpng16] Updated documentation about the simplified API.

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Glenn Randers-Pehrson
2012-02-04 10:31:38 -06:00
parent ce3c7330ba
commit 5578c3719e
6 changed files with 41 additions and 534 deletions
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12
png.c
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@@ -762,13 +762,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.6.0beta11 - February 3, 2012" PNG_STRING_NEWLINE \
"libpng version 1.6.0beta11 - February 4, 2012" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2012 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.6.0beta11 - February 3, 2012\
return "libpng version 1.6.0beta11 - February 4, 2012\
Copyright (c) 1998-2012 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@@ -2974,9 +2974,11 @@ png_build_gamma_table(png_structrp png_ptr, int bit_depth)
#if defined PNG_SIMPLIFIED_READ_SUPPORTED ||\
defined PNG_SIMPLIFIED_WRITE_SUPPORTED
/* sRGB conversion tables; these are machine generated with the code in
* contrib/tools/makesRGB.c. The sRGB to linear table is exact (to the
* nearest 16 bit linear fraction). The inverse (linear to sRGB) table has
* accuracies as follows:
* contrib/tools/makesRGB.c. The actual sRGB transfer curve defined in the
* specification (see the article at http://en.wikipedia.org/wiki/SRGB)
* is used, not the gamma=1/2.2 approximation use elsewhere in libpng.
* The sRGB to linear table is exact (to the nearest 16 bit linear fraction).
* The inverse (linear to sRGB) table has accuracies as follows:
*
* For all possible (255*65535+1) input values:
*