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Imported from libpng-1.2.0beta2.tar

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This commit is contained in:
Glenn Randers-Pehrson
2001-05-07 14:52:45 -05:00
parent 1fd5fb33c2
commit 3097f618f2
53 changed files with 413 additions and 283 deletions
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8
example.c
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@@ -338,7 +338,8 @@ void read_png(FILE *fp, unsigned int sig_read) /* file is already open */
for (row = 0; row < height; row++)
{
row_pointers[row] = malloc(png_get_rowbytes(png_ptr, info_ptr));
row_pointers[row] = png_malloc(png_ptr, png_get_rowbytes(png_ptr,
info_ptr));
}
/* Now it's time to read the image. One of these methods is REQUIRED */
@@ -494,7 +495,7 @@ row_callback(png_structp png_ptr, png_bytep new_row,
* png_progressive_combine_row() passing in the row and the
* old row. You can call this function for NULL rows (it will
* just return) and for non-interlaced images (it just does the
* memcpy for you) if it will make the code easier. Thus, you
* png_memcpy for you) if it will make the code easier. Thus, you
* can just do this for all cases:
*/
@@ -603,7 +604,8 @@ void write_png(char *file_name /* , ... other image information ... */)
PNG_INTERLACE_????, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
/* set the palette if there is one. REQUIRED for indexed-color images */
palette = (png_colorp)png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH * sizeof (png_color));
palette = (png_colorp)png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH
* sizeof (png_color));
/* ... set palette colors ... */
png_set_PLTE(png_ptr, info_ptr, palette, PNG_MAX_PALETTE_LENGTH);
/* You must not free palette here, because png_set_PLTE only makes a link to