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