void ApplyRotation(EvasMap map, ERect geometry, ref bool changed)
{
var rotationX = Element.RotationX;
var rotationY = Element.RotationY;
var rotationZ = Element.Rotation;
var anchorX = Element.AnchorX;
var anchorY = Element.AnchorY;
// apply rotations
if (rotationX != 0 || rotationY != 0 || rotationZ != 0)
{
map.Rotate3D(rotationX, rotationY, rotationZ, (int)(geometry.X + geometry.Width * anchorX),
(int)(geometry.Y + geometry.Height * anchorY), 0);
// the last argument is focal length, it determine the strength of distortion. We compared it with the Android implementation
map.Perspective3D(geometry.X + geometry.Width / 2, geometry.Y + geometry.Height / 2, 0, (int)(1.3 * Math.Max(geometry.Height, geometry.Width)));
// Need to unset clip because perspective 3d rotation is going beyond the container bound
NativeView.SetClip(null);
changed = true;
}
}
