Updating getBBox and anchor code to improve performance

This change will reduce the number of calls to this.container.getBBox
when calculating the bounding box of a node

spec/parser/javascript/charset_spec.js

@@ -67,19 +67,11 @@ describe('parser/javascript/charset.js', function() {
         cy: 20
       });
 
-      node.container = jasmine.createSpyObj('container', ['addClass', 'getBBox']);
-      node.container.getBBox.and.returnValue({
-        x: 10,
-        x2: 15
-      });
-
       spyOn(node, 'transform').and.returnValue({
         localMatrix: Snap.matrix().translate(3, 8)
       });
 
       expect(node._anchor).toEqual({
-        ax: 10,
-        ax2: 15,
         ay: 28
       });
     });

spec/parser/javascript/match_fragment_spec.js

@@ -31,10 +31,12 @@ describe('parser/javascript/match_fragment.js', function() {
       this.node = new javascript.Parser('a').__consume__match_fragment();
 
       this.node.content = {
-        anchor: {
-          ax: 1,
-          ax2: 2,
-          ay: 3
+        getBBox() {
+          return {
+            ax: 1,
+            ax2: 2,
+            ay: 3
+          };
         }
       };
       spyOn(this.node, 'transform').and.returnValue({

spec/parser/javascript/node_spec.js

@@ -63,18 +63,9 @@ describe('parser/javascript/node.js', function() {
 
     describe('when a proxy node is not used', function() {
 
-      it('returns anchor data from the bbox of the container merged _anchor of the node', function() {
+      it('returns _anchor of the node', function() {
         this.node._anchor = { example: 'value' };
-        this.node.container = jasmine.createSpyObj('container', ['addClass', 'getBBox']);
-        this.node.container.getBBox.and.returnValue({
-          x: 'bbox x',
-          x2: 'bbox x2',
-          cy: 'bbox cy'
-        });
         expect(this.node.anchor).toEqual({
-          ax: 'bbox x',
-          ax2: 'bbox x2',
-          ay: 'bbox cy',
           example: 'value'
         });
       });
@@ -85,7 +76,7 @@ describe('parser/javascript/node.js', function() {
 
   describe('#getBBox', function() {
 
-    it('returns the bbox of the container merged with the anchor', function() {
+    it('returns the normalized bbox of the container merged with the anchor', function() {
         this.node.proxy = {
           anchor: {
             anchor: 'example anchor'
@@ -93,11 +84,20 @@ describe('parser/javascript/node.js', function() {
         };
         this.node.container = jasmine.createSpyObj('container', ['addClass', 'getBBox']);
         this.node.container.getBBox.and.returnValue({
-          bbox: 'example bbox'
+          bbox: 'example bbox',
+          x: 'left',
+          x2: 'right',
+          cy: 'center'
         });
         expect(this.node.getBBox()).toEqual({
           bbox: 'example bbox',
-          anchor: 'example anchor'
+          anchor: 'example anchor',
+          x: 'left',
+          x2: 'right',
+          cy: 'center',
+          ax: 'left',
+          ax2: 'right',
+          ay: 'center'
         });
     });
 

spec/parser/javascript/subexp_spec.js

@@ -36,10 +36,12 @@ describe('parser/javascript/subexp.js', function() {
       var node = new javascript.Parser('(test)').__consume__subexp();
 
       node.regexp = {
-        anchor: {
-          ax: 10,
-          ax2: 15,
-          ay: 20
+        getBBox() {
+          return {
+            ax: 10,
+            ax2: 15,
+            ay: 20
+          };
         }
       };