From 8ef8d8bef709819ec003f6b94df9e12c4b22eee1 Mon Sep 17 00:00:00 2001
From: Viktor Lidholt <viktorl@google.com>
Date: Mon, 10 Aug 2015 14:43:34 -0700
Subject: [PATCH] Adds optional rect property to sprite layer class

---
 examples/game/lib/layer.dart | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/examples/game/lib/layer.dart b/examples/game/lib/layer.dart
index ca09d3ff84..90a31f6d1d 100644
--- a/examples/game/lib/layer.dart
+++ b/examples/game/lib/layer.dart
@@ -1,6 +1,10 @@
 part of sprites;
 
 class Layer extends Node with SpritePaint {
+  Rect layerRect;
+
+  Layer([Rect this.layerRect = null]);
+
   Paint _cachedPaint = new Paint()
     ..setFilterQuality(FilterQuality.low)
     ..isAntiAlias = false;
@@ -9,7 +13,7 @@ class Layer extends Node with SpritePaint {
     super._prePaint(canvas, matrix);
 
     _updatePaint(_cachedPaint);
-    canvas.saveLayer(null, _cachedPaint);
+    canvas.saveLayer(layerRect, _cachedPaint);
   }
 
   void _postPaint(PaintingCanvas canvas, Matrix4 totalMatrix) {
-- 
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