public void Invalidate()
{
if (_renderer?.NativeView == null || _pathProvider == null)
{
return;
}
_pathProvider?.Invalidate();
_renderer.NativeView.FindLayerOfType <GradientStrokeLayer>()?.InvalidatePath();
_renderer.NativeView.FindLayerOfType <GradientStrokeLayer>()?.SetNeedsDisplay();
if (_renderer.NativeView.Subviews == null || _renderer.Element == null)
{
return;
}
var transform = GetMaskTransform(_renderer.Element);
var maskPath = _pathProvider.CreateBorderedPath(_renderer.NativeView.Bounds);
foreach (var subView in _renderer.NativeView.Subviews)
{
if (subView?.Layer == null)
{
continue;
}
if (subView.Layer.Sublayers?.FirstOrDefault(
l => l is GradientStrokeLayer) != null)
{
continue;
}
subView.Layer.Mask?.Dispose();
subView.Layer.Mask = new CAShapeLayer
{
Frame = _renderer.NativeView.Bounds,
Path = transform == null ? maskPath : new CGPath(maskPath, transform.Value)
};
subView.Layer.MasksToBounds = true;
}
InvalidateInkLayer();
}
