new transformsEnabled property which yields absolute best rendering performance

test/unit/Node-test.js

@@ -2649,5 +2649,73 @@ suite('Node', function() {
     assert.equal(rect.shouldDrawHit(), false);
 
 
+  });
+
+  // ======================================================
+  test('ancestorTransformEnabled', function(){
+    var stage = addStage();
+    var layer = new Kinetic.Layer();
+    var group = new Kinetic.Group();
+    var circle = new Kinetic.Circle({
+        x: 100,
+        y: 100,
+        radius: 70,
+        fill: 'green',
+        stroke: 'black',
+        strokeWidth: 4,
+        name: 'myCircle',
+        draggable: true
+    });
+
+    group.add(circle);
+    layer.add(group);
+    stage.add(layer);
+
+    assert.equal(circle.isAncestorTransformsEnabled(), true);
+
+    circle.disableAncestorTransforms();
+
+    assert.equal(circle.isAncestorTransformsEnabled(), false);
+
+    circle.enableAncestorTransforms();
+
+    assert.equal(circle.isAncestorTransformsEnabled(), true);
+
+
+  });
+
+    // ======================================================
+  test('transformEnabled', function(){
+    var stage = addStage();
+    var layer = new Kinetic.Layer();
+    var group = new Kinetic.Group();
+    var circle = new Kinetic.Circle({
+        x: 100,
+        y: 100,
+        radius: 70,
+        fill: 'green',
+        stroke: 'black',
+        strokeWidth: 4,
+        name: 'myCircle',
+        draggable: true
+    });
+
+    group.add(circle);
+    layer.add(group);
+    stage.add(layer);
+
+    assert.equal(circle.isTransformsEnabled(), true);
+
+    circle.disableTransforms();
+
+    assert.equal(circle.isTransformsEnabled(), false);
+
+    layer.draw();
+
+    circle.enableTransforms();
+
+    assert.equal(circle.isTransformsEnabled(), true);
+
+
   });
 });