color_blue       1013 ext/gd/libgd/gd.c 	int color = im->AA_color, color_red, color_green, color_blue;
color_blue       1020 ext/gd/libgd/gd.c 	color_blue = gdImageBlue(im, color);
color_blue       1042 ext/gd/libgd/gd.c 						p_blue = (int) (((float) color_blue * p_alpha) + ((float) old_blue * old_alpha));