[devel] Check for READ_CHOP_16_TO_8 support in pngvalid,

not libpng version for presence of png_set_chop_16_to_8(), in pngvalid.c
This commit is contained in:
Glenn Randers-Pehrson 2011-06-14 07:10:47 -05:00
parent 2232baa41b
commit 677819fe66

View File

@ -5297,7 +5297,7 @@ IT(strip_16);
#undef PT
#define PT ITSTRUCT(strip_16)
#if PNG_LIBPNG_VER >= 10504 /* API added in 1.5.4 */
#ifdef PNG_READ_CHOP_16_TO_8_SUPPORTED /* API added in 1.5.4 */
/* png_set_chop_16 */
static void
image_transform_png_set_chop_16_set(PNG_CONST image_transform *this,
@ -5349,7 +5349,7 @@ image_transform_png_set_chop_16_add(image_transform *this,
IT(chop_16);
#undef PT
#define PT ITSTRUCT(chop_16)
#endif /* From libpng 1.5.4 */
#endif /* PNG_READ_CHOP_16_TO_8_SUPPORTED, from libpng 1.5.4 */
#endif /* PNG_READ_16_TO_8_SUPPORTED */
#ifdef PNG_READ_STRIP_ALPHA_SUPPORTED