public void BeginRender(WpfDrawingDocument drawingDocument)
{
if (_svgRenderer == null)
{
_svgRenderer = new WpfRenderingHelper(this);
}
_drawingDocument = drawingDocument;
}
public Transform GetTransform(WpfDrawingDocument document, Drawing hitDrawing)
{
var displayTransform = (Transform)document.DisplayTransform.Inverse;
if (_parent == null)
{
return(displayTransform);
}
var splitPaths = this.SplitPath;
if (splitPaths == null || splitPaths.Length == 0)
{
return(displayTransform);
}
foreach (var splitPath in splitPaths)
{
System.Diagnostics.Trace.WriteLine(splitPath);
}
var uniqueId = SvgObject.GetUniqueId(hitDrawing);
TransformGroup transforms = new TransformGroup();
transforms.Children.Add(displayTransform);
var drawingLayer = document.GetDrawingLayer();
if (drawingLayer != null && drawingLayer.Transform != null)
{
var transform = drawingLayer.Transform;
if (!transform.Value.IsIdentity)
{
transforms.Children.Add(transform);
}
}
for (int i = 0; i < splitPaths.Length; i++)
{
var splitPath = splitPaths[i];
if (!string.IsNullOrWhiteSpace(uniqueId) &&
string.Equals(splitPath, uniqueId, StringComparison.OrdinalIgnoreCase))
{
continue;
}
var drawing = document.GetByUniqueId(splitPath) as DrawingGroup;
if (drawing != null && drawing.Transform != null)
{
if (drawing.Transform != drawingLayer.Transform)
{
transforms.Children.Add(drawing.Transform);
}
}
}
return(transforms);
}
public void EndRender()
{
_svgRenderer = null;
_drawingDocument = null;
}
public void BeginDrawing(WpfDrawingDocument drawingDocument)
{
_drawingDocument = drawingDocument;
}
