func CopyPixels(x int32, y int32, width int32, height int32, xtype uint32) {
	syscall.Syscall6(gpCopyPixels, 5, uintptr(x), uintptr(y), uintptr(width), uintptr(height), uintptr(xtype), 0)
}
func CopyPixels(x int32, y int32, width int32, height int32, xtype uint32) {
	syscall.Syscall6(gpCopyPixels, 5, uintptr(x), uintptr(y), uintptr(width), uintptr(height), uintptr(xtype), 0)
}
func CopyPixels ( x int32 , y int32 , width int32 , height int32 , xtype uint32 ) { syscall . Syscall6 ( gpCopyPixels , 5 , uintptr ( x ) , uintptr ( y ) , uintptr ( width ) , uintptr ( height ) , uintptr ( xtype ) , 0 ) }
// copy pixels in the frame buffer
copy pixels in the frame buffer