public static void SetClipperCanvas(this EvasObject target, SKClipperView clipper)
{
if (target != null && clipper.ClippingRequired)
{
var realHandle = elm_object_part_content_get(clipper, "elm.swallow.content");
target.SetClip(null); // To restore original image
evas_object_clip_set(target, realHandle);
}
}
internal static void ApplyRotation(this IView view, EvasObject platformView, EvasMap map, Rect geometry, ref bool changed)
{
var rotationX = view.RotationX;
var rotationY = view.RotationY;
var rotationZ = view.Rotation;
var anchorX = view.AnchorX;
var anchorY = view.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
platformView.SetClip(null);
changed = true;
}
}