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[devel] Clean up ALPHA flags and transformations

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This commit is contained in:
John Bowler
2011-02-12 09:00:16 -06:00
committed by Glenn Randers-Pehrson
parent 5432c01ffd
commit 9b872f4cf9
6 changed files with 111 additions and 164 deletions
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8
pngpriv.h
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@@ -340,8 +340,8 @@ typedef PNG_CONST png_uint_16p FAR * png_const_uint_16pp;
#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000L
#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000L
#define PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000L
#define PNG_FLAG_ADD_ALPHA 0x200000L /* Added to libpng-1.2.8 */
#define PNG_FLAG_STRIP_ALPHA 0x400000L /* Added to libpng-1.2.8 */
/* 0x200000L unused */
/* 0x400000L unused */
#define PNG_FLAG_BENIGN_ERRORS_WARN 0x800000L /* Added to libpng-1.4.0 */
/* 0x1000000L unused */
/* 0x2000000L unused */
@@ -772,8 +772,8 @@ PNG_EXTERN void png_do_write_invert_alpha PNGARG((png_row_infop row_info,
#if defined(PNG_WRITE_FILLER_SUPPORTED) || \
defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
png_bytep row, png_uint_32 flags));
PNG_EXTERN void png_do_strip_channel PNGARG((png_row_infop row_info,
png_bytep row, int at_start));
#endif
#ifdef PNG_16BIT_SUPPORTED