/// <summary>
/// Pushes an opacity mask.
/// </summary>
/// <param name="mask">The opacity mask.</param>
/// <param name="bounds">
/// The size of the brush's target area. TODO: Are we sure this is needed?
/// </param>
/// <returns>A disposable to undo the opacity mask.</returns>
public PushedState PushOpacityMask(IBrush mask, Rect bounds)
{
PlatformImpl.PushOpacityMask(mask, bounds);
return(new PushedState(this, PushedState.PushedStateType.OpacityMask));
}
