static void OptimizeVisualSurfaceProperties(CompositionVisualSurface obj)
{
// Unset properties that are set to their default values.
if (obj.SourceOffset == Vector2.Zero)
{
obj.SourceOffset = null;
}
if (obj.SourceSize == Vector2.Zero)
{
obj.SourceSize = null;
}
}
CompositionVisualSurface GetCompositionVisualSurface(CompositionVisualSurface obj)
{
if (GetExisting(obj, out CompositionVisualSurface result))
{
return(result);
}
result = CacheAndInitializeCompositionObject(obj, _c.CreateVisualSurface());
if (obj.SourceVisual != null)
{
result.SourceVisual = GetVisual(obj.SourceVisual);
}
result.SourceSize = obj.SourceSize;
result.SourceOffset = obj.SourceOffset;
StartAnimationsAndFreeze(obj, result);
return(result);
}