trans_gray_rgb    127 ext/gd/libgd/gd_png.c 	png_color_16p trans_gray_rgb;
trans_gray_rgb    275 ext/gd/libgd/gd_png.c 				png_get_tRNS(png_ptr, info_ptr, NULL, NULL, &trans_gray_rgb);
trans_gray_rgb    277 ext/gd/libgd/gd_png.c 					transparent = trans_gray_rgb->gray >> 8;
trans_gray_rgb    279 ext/gd/libgd/gd_png.c 					transparent = trans_gray_rgb->gray;