protected void imageImpl(PImage image,
                           float x1, float y1, float x2, float y2,
                           int u1, int v1, int u2, int v2) {
    if ((x2 - x1 == image.width) &&
        (y2 - y1 == image.height) &&
        !tint && !ctm.isWarped()) {
      simple_image(image, (int) (x1 + ctm.m02), (int) (y1 + ctm.m12), u1, v1, u2, v2);

    } else {
      super.imageImpl(image, x1, y1, x2, y2, u1, v1, u2, v2);
    }
  }