     CGContextAddEllipseInRect(b.cgContext, R(12, 12, 24, 24))
     CGContextStrokePath(b.cgContext)
     
-    b.save("/tmp/bitmap_cgcontext.png")
+    b.save("/tmp/cgcontext.png")
 }
 
 //switzerland()

    
    b.image(fromPath:"/usr/share/httpd/icons/sphere2.png", P(0,0))
    
    b.save("/tmp/bitmap_image.png", open:true)
}

func bezier() {

    b.lineHorizontal(P(1,21), width:20)
    b.lineVertical(P(20, 1), height:19, color:"blue")
    
    b.save("/tmp/lines.png")
}

func rects() {
