PNG_COLOR_TYPE_GRAY_ALPHA 1015 extra_lib/include/png/png.h #define PNG_COLOR_TYPE_GA  PNG_COLOR_TYPE_GRAY_ALPHA
PNG_COLOR_TYPE_GRAY_ALPHA  479 src/media_tools/img.c 	case PNG_COLOR_TYPE_GRAY_ALPHA:
PNG_COLOR_TYPE_GRAY_ALPHA  551 src/media_tools/img.c 		type = PNG_COLOR_TYPE_GRAY_ALPHA;