protected override void OnUpdate(RenderContext2D context)
{
base.OnUpdate(context);
if (_opacityMaskChanged)
{
(SceneNode as PathNode2D).OpacityMask = OpacityMask.ToD2DBrush(SceneNode.RenderSize, context.DeviceContext);
_opacityMaskChanged = false;
}
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
ComboBox here = (ComboBox)sender;
switch (here.SelectedIndex)
{
case 0:
useMask = null;
break;
case 1:
useMask = OpacityMask.CircleMask(70);
break;
}
count();
}
public override void Render(RenderContext parentRenderContext)
{
if (OpacityMask == null && (TotalHeight > ActualHeight || TotalWidth > ActualWidth))
{
SolidColorBrush brush = new SolidColorBrush {
Color = Color.Black
};
OpacityMask = brush;
_forcedOpacityMask = true;
}
else if (_forcedOpacityMask && TotalHeight <= ActualHeight && TotalWidth <= ActualWidth && OpacityMask != null)
{
OpacityMask.Dispose();
OpacityMask = null;
_opacityMaskContext.Dispose();
_opacityMaskContext = null;
_forcedOpacityMask = false;
}
base.Render(parentRenderContext);
}
/// <summary>
/// Required to clip any items that are partially within the panel's bounds
/// </summary>
/// <param name="parentRenderContext"></param>
public override void Render(RenderContext parentRenderContext)
{
if (OpacityMask == null && _actualPhysicalOffset != 0)
{
SolidColorBrush brush = new SolidColorBrush {
Color = Color.Black
};
OpacityMask = brush;
_forcedOpacityMask = true;
}
else if (_forcedOpacityMask && _actualPhysicalOffset == 0 && OpacityMask != null)
{
OpacityMask.Dispose();
OpacityMask = null;
_opacityMaskContext.Dispose();
_opacityMaskContext = null;
_forcedOpacityMask = false;
}
base.Render(parentRenderContext);
}
