protected IGraphScene <IVisual, IVisualEdge> LoadFromStream(Stream source, IGraph <IVisual, IVisualEdge> sourceGraph, IGraphSceneLayout <IVisual, IVisualEdge> layout)
{
if (source == null || sourceGraph == null)
{
return(null);
}
try {
sourceGraph.CheckLayout(layout);
source.Position = 0;
var scene = Mesh.CreateSinkScene(sourceGraph);
layout = scene.CloneLayout(layout);
var visuals = new SheetSerializer().Read(source, scene.Graph, layout);
new GraphSceneFacade <IVisual, IVisualEdge> (() => scene, layout)
.Add(visuals, true, false);
source.Position = 0;
return(scene);
} catch (Exception ex) {
// TODO: stream-closed-error should never happen.Try to get reread the source
Registry.Pooled <IExceptionHandler> ().Catch(ex, MessageType.OK);
}
return(null);
}