/// <summary>
/// GetDrawing - Returns the drawing content of this Visual.
/// </summary>
/// <remarks>
/// Changes to this DrawingGroup will not be propagated to the Visual's content.
/// This method is called by both the Drawing property, and VisualTreeHelper.GetDrawing()
/// </remarks>
internal override DrawingGroup GetDrawing()
{
// Need to determine if Visual.Drawing should return mutable content
VerifyAPIReadOnly();
DrawingGroup drawingGroupContent = null;
// Convert our content to a DrawingGroup, if content exists
if (_content != null)
{
drawingGroupContent = DrawingServices.DrawingGroupFromRenderData((RenderData)_content);
}
return(drawingGroupContent);
}
/// <summary>
/// GetDrawing - Returns the drawing content of this Visual.
/// </summary>
/// <remarks>
/// Changes to this DrawingGroup will not be propagated to the Visual's content.
/// This method is called by both the Drawing property, and VisualTreeHelper.GetDrawing()
/// </remarks>
internal override DrawingGroup GetDrawing()
{
//
VerifyAPIReadOnly();
DrawingGroup drawingGroupContent = null;
// Convert our content to a DrawingGroup, if content exists
if (_content != null)
{
drawingGroupContent = DrawingServices.DrawingGroupFromRenderData((RenderData)_content);
}
return(drawingGroupContent);
}
/// <summary>
/// Hit-tests a geometry against this content
/// </summary>
/// <param name="geometry"> PathGeometry to hit-test for. </param>
/// <returns>
/// IntersectionDetail describing the result of the hit-test
/// </returns>
IntersectionDetail IDrawingContent.HitTestGeometry(PathGeometry geometry)
{
return(DrawingServices.HitTestGeometry(this, geometry));
}
/// <summary>
/// Determines whether or not a point exists within the content
/// </summary>
/// <param name="point"> Point to hit-test for. </param>
/// <returns>
/// 'true' if the point exists within the content, 'false' otherwise
/// </returns>
bool IDrawingContent.HitTestPoint(Point point)
{
return(DrawingServices.HitTestPoint(this, point));
}