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[libpng16] Imported from libpng-1.6.0beta23.tar

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Glenn Randers-Pehrson
2012-06-06 13:16:09 -05:00
parent 14ca47b453
commit cc46157421
13 changed files with 41 additions and 564 deletions
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8
png.c
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@@ -747,13 +747,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.6.0beta23 - May 23, 2012" PNG_STRING_NEWLINE \
"libpng version 1.6.0beta23 - June 6, 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 1.6.0beta23 - May 23, 2012\
return "libpng version 1.6.0beta23 - June 6, 2012\
Copyright (c) 1998-2012 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@@ -1282,8 +1282,8 @@ png_XYZ_from_xy(png_XYZ *XYZ, const png_xy *xy)
* and it is certain that it becomes unstable where the end points are close
* together.
*
* So this code uses the perhaps slighly less optimal but more understandable
* and totally obvious approach of calculating color-scale.
* So this code uses the perhaps slightly less optimal but more
* understandable and totally obvious approach of calculating color-scale.
*
* This algorithm depends on the precision in white-scale and that is
* (1/white-y), so we can immediately see that as white-y approaches 0 the