func ClipRect() (x int, y int, w int, h int) {
	return canvas.clipX, canvas.clipY, canvas.clipW, canvas.clipH
}
func ClipRect() (x int, y int, w int, h int) {
	return canvas.clipX, canvas.clipY, canvas.clipW, canvas.clipH
}
func ClipRect ( ) ( x int , y int , w int , h int ) { return canvas . clipX , canvas . clipY , canvas . clipW , canvas . clipH }
// ClipRect returns the current clipping rectangle
ClipRect returns the current clipping rectangle