col1               28 ext/gd/libgd/gd_crop.c static int gdColorMatch(gdImagePtr im, int col1, int col2, float threshold);
col1              344 ext/gd/libgd/gd_crop.c static int gdColorMatch(gdImagePtr im, int col1, int col2, float threshold)
col1              346 ext/gd/libgd/gd_crop.c 	const int dr = gdImageRed(im, col1) - gdImageRed(im, col2);
col1              347 ext/gd/libgd/gd_crop.c 	const int dg = gdImageGreen(im, col1) - gdImageGreen(im, col2);
col1              348 ext/gd/libgd/gd_crop.c 	const int db = gdImageBlue(im, col1) - gdImageBlue(im, col2);
col1              349 ext/gd/libgd/gd_crop.c 	const int da = gdImageAlpha(im, col1) - gdImageAlpha(im, col2);
col1              363 ext/gd/libgd/gd_crop.c static int colors_equal (const int col1, const in col2)