175
176
error("CMYK not supported for test chart");
177
if ((r = new_render2d(w, h, NULL, res, res, rgb_2d, 0, depth)) == NULL) {
178
if ((r = new_render2d(w, h, NULL, res, res, rgb_2d, 0, depth, DITHER)) == NULL) {
178
179
error("new_render2d() failed");