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[libpng16] Imported from libpng-1.6.11beta01.tar

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Glenn Randers-Pehrson
2014-03-17 10:58:02 -05:00
parent 2ca2a0b222
commit 149eea29b6
16 changed files with 32 additions and 28 deletions
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8
pngread.c
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@@ -3317,11 +3317,11 @@ png_image_read_composite(png_voidp argument)
* PNG_COMPOSITE
* PNG_GAMMA
*
* This is a work-round for the fact that both the PNG_RGB_TO_GRAY and
* This is a work-around for the fact that both the PNG_RGB_TO_GRAY and
* PNG_COMPOSITE code performs gamma correction, so we get double gamma
* correction. The fix-up is to prevent the PNG_COMPOSITE operation happening
* inside libpng, so this routine sees an 8 or 16-bit gray+alpha row and handles
* the removal or pre-multiplication of the alpha channel.
* correction. The fix-up is to prevent the PNG_COMPOSITE operation from
* happening inside libpng, so this routine sees an 8 or 16-bit gray+alpha
* row and handles the removal or pre-multiplication of the alpha channel.
*/
static int
png_image_read_background(png_voidp argument)