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[master] Imported from libpng-1.6.19.tar

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This commit is contained in:
Glenn Randers-Pehrson
2015-11-12 07:00:12 -06:00
parent 287fb89248
commit b9c62013ef
217 changed files with 2530 additions and 1725 deletions
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14
example.c
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@@ -271,7 +271,7 @@ void read_png(char *file_name) /* We need to open the file */
{
png_structp png_ptr;
png_infop info_ptr;
unsigned int sig_read = 0;
int sig_read = 0;
png_uint_32 width, height;
int bit_depth, color_type, interlace_type;
FILE *fp;
@@ -280,7 +280,7 @@ void read_png(char *file_name) /* We need to open the file */
return (ERROR);
#else no_open_file /* prototype 2 */
void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
void read_png(FILE *fp, int sig_read) /* File is already open */
{
png_structp png_ptr;
png_infop info_ptr;
@@ -370,7 +370,7 @@ void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
* are mutually exclusive.
*/
/* Tell libpng to strip 16 bit/color files down to 8 bits/color.
/* Tell libpng to strip 16 bits/color files down to 8 bits/color.
* Use accurate scaling if it's available, otherwise just chop off the
* low byte.
*/
@@ -466,7 +466,7 @@ void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
}
#ifdef PNG_READ_QUANTIZE_SUPPORTED
/* Quantize RGB files down to 8 bit palette or reduce palettes
/* Quantize RGB files down to 8-bit palette or reduce palettes
* to the number of colors available on your screen.
*/
if ((color_type & PNG_COLOR_MASK_COLOR) != 0)
@@ -518,11 +518,11 @@ void read_png(FILE *fp, unsigned int sig_read) /* File is already open */
/* Swap the RGBA or GA data to ARGB or AG (or BGRA to ABGR) */
png_set_swap_alpha(png_ptr);
/* Swap bytes of 16 bit files to least significant byte first */
/* Swap bytes of 16-bit files to least significant byte first */
png_set_swap(png_ptr);
/* Add filler (or alpha) byte (before/after each RGB triplet) */
png_set_filler(png_ptr, 0xff, 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
@@ -966,7 +966,7 @@ void write_png(char *file_name /* , ... other image information ... */)
/* Swap bytes of 16-bit files to most significant byte first */
png_set_swap(png_ptr);
/* Swap bits of 1, 2, 4 bit packed pixel formats */
/* Swap bits of 1-bit, 2-bit, 4-bit packed pixel formats */
png_set_packswap(png_ptr);
/* Turn on interlace handling if you are not using png_write_image() */