private VisualGroup CreateVisual(CanvasControl canvas)
{
RectD rect = canvas.ContentRect;
ContextConfigurator configurator = new ContextConfigurator(rect)
{
Margins = new InsetsD(0, 0, 0, 0)
};
// scale down if necessary
if (ActualHeight > 0 && ActualHeight > 0)
{
if (ActualHeight < rect.Height || ActualWidth < rect.Width)
{
configurator.Scale = Math.Min(ActualWidth / rect.Width, ActualHeight / rect.Height);
}
RectD bounds = RectD.FromCenter(rect.Center,
new SizeD(ActualWidth, ActualHeight) * (1 / configurator.Scale));
configurator.WorldBounds = bounds;
}
IRenderContext vc = configurator.CreateRenderContext(canvas);
Transform transform = configurator.CreateWorldToIntermediateTransform();
Visual visual = canvas.ExportContent(vc);
return(new VisualGroup {
Children = { visual }, Clip = Clip, Transform = transform
});
}