private Scene(VisualNode root, Dictionary <IVisual, IVisualNode> index, SceneLayers layers, int generation)
{
Contract.Requires <ArgumentNullException>(root != null);
var renderRoot = root.Visual as IRenderRoot;
_index = index;
Root = root;
Layers = layers;
Generation = generation;
root.LayerRoot = root.Visual;
}
private Scene(VisualNode root, Dictionary <IVisual, IVisualNode> index, SceneLayers layers, int generation)
{
_ = root ?? throw new ArgumentNullException(nameof(root));
var renderRoot = root.Visual as IRenderRoot;
_index = index;
Root = root;
Layers = layers;
Generation = generation;
root.LayerRoot = root.Visual;
}
/// <summary>
/// Makes a deep clone of the layers.
/// </summary>
/// <returns>The cloned layers.</returns>
public SceneLayers Clone()
{
var result = new SceneLayers(_root);
foreach (var src in _inner)
{
var dest = src.Clone();
result._index.Add(dest.LayerRoot, dest);
result._inner.Add(dest);
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="DeferredDrawingContextImpl"/> class.
/// </summary>
/// <param name="sceneBuilder">
/// A scene builder used for constructing child scenes for visual brushes.
/// </param>
/// <param name="layers">The scene layers.</param>
public DeferredDrawingContextImpl(ISceneBuilder sceneBuilder, SceneLayers layers)
{
_sceneBuilder = sceneBuilder;
Layers = layers;
}