internal static IDisposable SaveClip(FixedContentEditor drawingSurface, UIElement element)
{
Geometry clip = null;
FrameworkElement frameworkElement = element as FrameworkElement;
if (frameworkElement != null)
{
clip = System.Windows.Controls.Primitives.LayoutInformation.GetLayoutClip(frameworkElement);
}
if (clip == null)
{
clip = element.Clip;
}
RectangleGeometry rectangleClip = clip as RectangleGeometry;
if (rectangleClip == null)
{
return(null);
}
PathGeometry geometry = MathHelper.TransformRectangle(drawingSurface.Position.Matrix, rectangleClip.Rect);
var pdfGeometry = PdfGeometryHelper.ConvertPathGeometry(geometry);
return(drawingSurface.PushClipping(pdfGeometry));
}
internal static IDisposable SaveClip(FixedContentEditor drawingSurface, Rect rectangle)
{
PathGeometry geometry = MathHelper.TransformRectangle(drawingSurface.Position.Matrix, rectangle);
var pdfGeometry = PdfGeometryHelper.ConvertPathGeometry(geometry);
return(drawingSurface.PushClipping(pdfGeometry));
}
