public virtual void Render(ISvgRenderer renderer)
{
if ( !(this is ISharpDoNotPaint) || (this is SvgSymbolElement && this.ParentNode is SvgUseElement))
{
if (renderingNode == null)
{
renderingNode = renderer.GetRenderingNode(this);
}
if (renderingNode != null)
{
if (!renderingNode.NeedRender(renderer)) return;
renderingNode.BeforeRender(renderer);
renderingNode.Render(renderer);
RenderChildren(renderer);
renderingNode.AfterRender(renderer);
}
}
}
public virtual void CacheRenderingRegion(ISvgRenderer renderer)
{
if(renderingNode == null)
{
renderingNode = renderer.GetRenderingNode(this);
}
// Check if it has already been calculated
if (renderingNode != null && renderingNode.ScreenRegion != RectangleF.Empty)
return;
// Invalidate the children
foreach (XmlNode node in ChildNodes )
{
SvgElement element = node as SvgElement;
if (element != null)
{
element.CacheRenderingRegion(renderer);
}
}
}