fill_color       2623 ext/gd/libgd/gd.c 	int fill_color;
fill_color       2634 ext/gd/libgd/gd.c 		fill_color = im->AA_color;
fill_color       2636 ext/gd/libgd/gd.c 		fill_color = c;
fill_color       2711 ext/gd/libgd/gd.c 			gdImageLine(im, im->polyInts[i], y, im->polyInts[i + 1], y, fill_color);