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[libpng16] Reverted addition of png_set_filler_16 and png_set_add_alpha_16()

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functions. They unnecessarily duplicate png_set_filler() and png_set_add_alpha()
which now work properly with 16-bit images.
This commit is contained in:
Glenn Randers-Pehrson
2015-09-24 22:39:53 -05:00
parent 5b038f83e7
commit 01a0e8062d
13 changed files with 63 additions and 135 deletions
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4
example.c
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@@ -522,7 +522,7 @@ void read_png(FILE *fp, int sig_read) /* File is already open */
png_set_swap(png_ptr);
/* Add filler (or alpha) byte (before/after each RGB triplet) */
png_set_filler_16(png_ptr, 0xffff, PNG_FILLER_AFTER);
png_set_filler(png_ptr, 0xffff, PNG_FILLER_AFTER);
#ifdef PNG_READ_INTERLACING_SUPPORTED
/* Turn on interlace handling. REQUIRED if you are not using
@@ -958,7 +958,7 @@ void write_png(char *file_name /* , ... other image information ... */)
/* Get rid of filler (OR ALPHA) bytes, pack XRGB/RGBX/ARGB/RGBA into
* RGB (4 channels -> 3 channels). The second parameter is not used.
*/
png_set_filler_16(png_ptr, 0, PNG_FILLER_BEFORE);
png_set_filler(png_ptr, 0, PNG_FILLER_BEFORE);
/* Flip BGR pixels to RGB */
png_set_bgr(png_ptr);