package graphtest; import java.awt.image.ColorModel; import java.awt.image.ImageFilter; class MirrorFilter extends ImageFilter { @Override public void setPixels (int x, int y, int w, int h, ColorModel m, int[] p, int j0, int l) { for (int k = x; k < x + w; k++) consumer.setPixels (k, y, 1, h, m, p, j0+w-k-1, l); } }