public override void Begin(GraphicsDevice device, SpriteBlendMode blendMode, SpriteSortMode sortMode, SaveStateMode stateMode, Local.Matrix transformMatrix)
{
_childRenderer = GetCurrentRenderer();
_childRenderer.Begin(device, blendMode, sortMode, stateMode, transformMatrix);
currentSortMode = sortMode;
base.Begin(device, blendMode, sortMode, stateMode, transformMatrix);
}
ChildCanvasRenderer GetCurrentRenderer()
{
ChildCanvasRenderer renderer;
if (canvasIndex >= renderers.Count)
{
renderer = new ChildCanvasRenderer();
renderer.BitmapCacheEnabled = BitmapCacheEnabled;
renderer.RenderAtScale = RenderAtScale;
renderers.Add(renderer);
renderer.Visible = false;
Canvas.Children.Add(renderer.Canvas);
canvasIndex++;
}
else
{
renderer = renderers[canvasIndex];
canvasIndex++;
}
renderer.InUse = true;
renderer.Canvas.SetValue(Canvas.ZIndexProperty, canvasZIndex);
canvasZIndex++;
return renderer;
}
