pixmap:=PPM(250,302,0xFF|FF|FF);
pixmap.circle(101,200,100,0); pixmap.circle(75,100,25,0);
flood(pixmap,200,100, 0xF0|00|00);
flood(pixmap, 75,110, 0x00|F0|00);
flood(pixmap, 75,100, 0x00|00|F0);
pixmap.writeJPGFile("flood.zkl.jpg");