From 735007a6ede6c45e6be5f8ae660b25b4e59e8aa9 Mon Sep 17 00:00:00 2001
From: PrimaryFeather <daniel@gamua.com>
Date: Thu, 18 Aug 2011 22:08:34 +0200
Subject: [PATCH] exposing Starling viewPort (closes #19)

---
 samples/demo/src/Startup.as            |  2 ++
 starling/src/starling/core/Starling.as | 33 ++++++++++++++++----------
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/samples/demo/src/Startup.as b/samples/demo/src/Startup.as
index bf2a2a972..e87406856 100644
--- a/samples/demo/src/Startup.as
+++ b/samples/demo/src/Startup.as
@@ -1,6 +1,7 @@
 package 
 {
     import flash.display.Sprite;
+    import flash.display.StageScaleMode;
     
     import starling.core.Starling;
     
@@ -11,6 +12,7 @@ package
         
         public function Startup()
         {
+            stage.scaleMode = StageScaleMode.NO_SCALE;
             Starling.multitouchEnabled = true;
             
             mStarling = new Starling(Game, stage);
diff --git a/starling/src/starling/core/Starling.as b/starling/src/starling/core/Starling.as
index 57e9675ea..ba5d49da2 100644
--- a/starling/src/starling/core/Starling.as
+++ b/starling/src/starling/core/Starling.as
@@ -90,7 +90,6 @@ package starling.core
                 stage.addEventListener(touchEventType, onTouch, false, 0, true);
             
             // register other event handlers
-            stage.addEventListener(Event.RESIZE, onResize, false, 0, true);
             stage.addEventListener(Event.ENTER_FRAME, onEnterFrame, false, 0, true);
             stage.addEventListener(KeyboardEvent.KEY_DOWN, onKey, false, 0, true);
             stage.addEventListener(KeyboardEvent.KEY_UP, onKey, false, 0, true);
@@ -115,10 +114,8 @@ package starling.core
             if (mContext) return;            
             
             mContext = mStage3D.context3D;
-            mStage3D.x = mViewPort.x;
-            mStage3D.y = mViewPort.y;
             mContext.enableErrorChecking = mEnableErrorChecking;
-            mContext.configureBackBuffer(mViewPort.width, mViewPort.height, mAntiAliasing, false);
+            updateViewPort();
             
             trace("[Starling] Initialization complete.");
             trace("[Starling] Display Driver:" + mContext.driverInfo);
@@ -139,6 +136,15 @@ package starling.core
             mStage.addChild(rootObject);
         }
         
+        private function updateViewPort():void
+        {
+            if (mContext)
+                mContext.configureBackBuffer(mViewPort.width, mViewPort.height, mAntiAliasing, false);
+            
+            mStage3D.x = mViewPort.x;
+            mStage3D.y = mViewPort.y;
+        }
+        
         public function makeCurrent():void
         {
             sCurrent = this;
@@ -171,11 +177,6 @@ package starling.core
         
         // event handlers
         
-        private function onResize(event:Event):void
-        {
-            // TODO
-        }
-        
         private function onContextCreated(event:Event):void
         {            
             initializeGraphicsAPI();
@@ -223,8 +224,8 @@ package starling.core
             function convertPosition(globalPos:Point):Point
             {
                 return new Point(
-                    (globalPos.x - mViewPort.x) * (mViewPort.width / mStage.stageWidth),
-                    (globalPos.y - mViewPort.y) * (mViewPort.height / mStage.stageHeight));
+                    (globalPos.x - mViewPort.x) + (mViewPort.width  / mStage.stageWidth),
+                    (globalPos.y - mViewPort.y) + (mViewPort.height / mStage.stageHeight));
             }
             
             function getPhaseFromMouseEvent(event:MouseEvent):String
@@ -304,8 +305,14 @@ package starling.core
         public function set antiAliasing(value:int):void
         {
             mAntiAliasing = value;
-            if (mContext) 
-                mContext.configureBackBuffer(mViewPort.width, mViewPort.height, value, false);
+            updateViewPort();
+        }
+        
+        public function get viewPort():Rectangle { return mViewPort.clone(); }
+        public function set viewPort(value:Rectangle):void
+        {
+            mViewPort = value.clone();
+            updateViewPort();
         }
         
         // static properties