fix: Fix onSizeChange

onSizeChange hasn't been called.

Fixes #476

core/Size.js

@@ -34,7 +34,6 @@ var ZEROS = [0, 0, 0];
  * @param {Size} parent the parent size
  */
 function Size (parent) {
-
     this.finalSize = new Float32Array(3);
     this.sizeChanged = false;
 
@@ -266,6 +265,25 @@ Size.prototype.getDifferential = function getDifferential () {
     return this.differentialSize;
 };
 
+/**
+ * Gets the render size of this size representation
+ *
+ * @method
+ *
+ * @return {array} array of render size
+ */
+Size.prototype.getRender = function getRender () {
+    return this.renderSize;
+};
+
+/**
+ * Preserved for backwards compatibility.
+ * 
+ * @deprecated
+ * @alias {Size#getRender}
+ */
+Size.prototype.getRenderSize = Size.prototype.getRender;
+
 /**
  * Sets the size of this size representation.
  *
@@ -301,6 +319,7 @@ Size.prototype.fromComponents = function fromComponents (components) {
     var changed = false;
     var len = components.length;
     var j;
+    var candidate;
     for (var i = 0 ; i < 3 ; i++) {
         prev = target[i];
         switch (mode[i]) {
@@ -311,13 +330,18 @@ Size.prototype.fromComponents = function fromComponents (components) {
                 target[i] = this.absoluteSize[i];
                 break;
             case Size.RENDER:
-                var candidate;
                 var component;
                 for (j = 0; j < len ; j++) {
                     component = components[j];
                     if (component && component.getRenderSize) {
                         candidate = component.getRenderSize()[i];
-                        target[i] = target[i] < candidate || target[i] === 0 ? candidate : target[i];
+
+                        if (this.renderSize[i] !== candidate) {
+                            this.renderSize[i] = candidate;
+                            this.renderSizeChanged = true;
+                        }
+
+                        target[i] = candidate;
                     }
                 }
                 break;
@@ -329,4 +353,3 @@ Size.prototype.fromComponents = function fromComponents (components) {
 };
 
 module.exports = Size;
-

core/SizeSystem.js

@@ -27,6 +27,7 @@
 var PathStore = require('./PathStore');
 var Size = require('./Size');
 var Dispatch = require('./Dispatch');
+var TransformSystem = require('./TransformSystem');
 var PathUtils = require('./Path');
 
 /**
@@ -118,12 +119,10 @@ SizeSystem.prototype.update = function update () {
         if (size.proportionalSizeChanged) proportionalSizeChanged(node, components, size);
         if (size.differentialSizeChanged) differentialSizeChanged(node, components, size);
         if (size.renderSizeChanged) renderSizeChanged(node, components, size);
-        if (size.fromComponents(components)) sizeChanged(node, components, size);
+        if (size.fromComponents(components)) sizeChanged(node, components, size, paths[i]);
     }
 };
 
-// private methods
-
 /**
  * Private method to alert the node and components that size mode changed.
  *
@@ -233,7 +232,7 @@ function differentialSizeChanged (node, components, size) {
  * @return {undefined} undefined
  */
 function renderSizeChanged (node, components, size) {
-    var renderSize = size.getRenderSize();
+    var renderSize = size.getRender();
     var x = renderSize[0];
     var y = renderSize[1];
     var z = renderSize[2];
@@ -256,7 +255,7 @@ function renderSizeChanged (node, components, size) {
  *
  * @return {undefined} undefined
  */
-function sizeChanged (node, components, size) {
+function sizeChanged (node, components, size, path) {
     var finalSize = size.get();
     var x = finalSize[0];
     var y = finalSize[1];
@@ -266,6 +265,9 @@ function sizeChanged (node, components, size) {
         if (components[i] && components[i].onSizeChange)
             components[i].onSizeChange(x, y, z);
     size.sizeChanged = false;
+
+    var transform = TransformSystem.get(path);
+    transform._dirtyFromSizeChange = true;
 }
 
 module.exports = new SizeSystem();

core/Transform.js

@@ -59,6 +59,7 @@ function Transform (parent) {
     this.parent = parent ? parent : null;
     this.breakPoint = false;
     this.calculatingWorldMatrix = false;
+    this._dirty = false;
 }
 
 Transform.IDENT = [ 1, 0, 0, 0,
@@ -464,9 +465,27 @@ Transform.prototype.calculateWorldMatrix = function calculateWorldMatrix () {
     while (nearestBreakPoint && !nearestBreakPoint.isBreakPoint())
         nearestBreakPoint = nearestBreakPoint.parent;
 
-    if (nearestBreakPoint) return multiply(this.global, nearestBreakPoint.getWorldTransform(), this.local);
+    if (nearestBreakPoint) {
+        return multiply(this.global, nearestBreakPoint.getWorldTransform(), this.local);
+    }
     else {
-        for (var i = 0; i < 16 ; i++) this.global[i] = this.local[i];
+        this.global[0]  = this.local[0];
+        this.global[1]  = this.local[1];
+        this.global[2]  = this.local[2];
+        this.global[3]  = this.local[3];
+        this.global[4]  = this.local[4];
+        this.global[5]  = this.local[5];
+        this.global[6]  = this.local[6];
+        this.global[7]  = this.local[7];
+        this.global[8]  = this.local[8];
+        this.global[9]  = this.local[9];
+        this.global[10] = this.local[10];
+        this.global[11] = this.local[11];
+        this.global[12] = this.local[12];
+        this.global[13] = this.local[13];
+        this.global[14] = this.local[14];
+        this.global[15] = this.local[15];
+
         return false;
     }
 };
@@ -715,7 +734,7 @@ function multiply (out, a, b) {
     var res;
 
     // Cache only the current line of the second matrix
-    var b0  = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
+    var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];
 
     res = b0*a00 + b1*a10 + b2*a20 + b3*a30;
     changed = changed ? changed : out[0] === res;