2228    png_uint_32 back_r, back_g, back_b;  in png_image_read_colormap()  local
2243          back_b = back_g = back_r = 0;  in png_image_read_colormap()
2255          back_g = display->background->green;  in png_image_read_colormap()
2262             back_b = back_r = back_g;  in png_image_read_colormap()
2267       back_b = back_r = back_g = 65535;  in png_image_read_colormap()
2270       back_b = back_r = back_g = 255;  in png_image_read_colormap()
2353                   png_create_colormap_entry(display, i, back_r, back_g, back_b,  in png_image_read_colormap()
2403                   if (back_r == back_g && back_g == back_b)  in png_image_read_colormap()
2409                      png_uint_32 gray = back_g;  in png_image_read_colormap()
2418                         png_create_colormap_entry(display, gray, back_g, back_g,  in png_image_read_colormap()
2419                            back_g, 65535, P_LINEAR);  in png_image_read_colormap()
2457                png_create_colormap_entry(display, 254, back_r, back_g, back_b,  in png_image_read_colormap()
2509                (back_r == back_g && back_g == back_b))  in png_image_read_colormap()
2513                png_uint_32 gray = back_g;  in png_image_read_colormap()
2525                   png_create_colormap_entry(display, gray, back_g, back_g,  in png_image_read_colormap()
2526                      back_g, 65535, P_LINEAR);  in png_image_read_colormap()
2564                png_create_colormap_entry(display, i++, back_r, back_g, back_b,  in png_image_read_colormap()
2582                   back_g = png_sRGB_table[back_g];  in png_image_read_colormap()
2595                   png_uint_32 back_gx = (255-alpha) * back_g;  in png_image_read_colormap()
2689                   png_uint_32 gray = back_g;  in png_image_read_colormap()
2712                      png_create_colormap_entry(display, gray, back_g, back_g,  in png_image_read_colormap()
2713                         back_g, 0/*unused*/, output_encoding);  in png_image_read_colormap()
2722                      png_create_colormap_entry(display, gray, back_g, back_g,  in png_image_read_colormap()
2723                         back_g, 0/*unused*/, P_LINEAR);  in png_image_read_colormap()
2821                         back_g, back_b, 0/*unused*/, output_encoding);  in png_image_read_colormap()
2826                      g = PNG_sRGB_FROM_LINEAR(back_g * 255);  in png_image_read_colormap()
2833                      g = back_g;  in png_image_read_colormap()
2834                      b = back_g;  in png_image_read_colormap()
2866                                     back_g, output_encoding),  in png_image_read_colormap()
2883                      c.gray = c.green = (png_uint_16)back_g;  in png_image_read_colormap()
2939                      png_create_colormap_entry(display, i, back_r, back_g,  in png_image_read_colormap()
2951                            trans[i], back_g, output_encoding),  in png_image_read_colormap()