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copied!<p>Here's a complete, working example I was able to create based on Joel Hooks' suggestions:</p> <p><strong>MXML FILE (ards.mxml):</strong></p> <pre><code><?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="onCreationComplete()"> <mx:Script source="ards_script.as" /> </mx:Application> </code></pre> <p><strong>SCRIPT FILE (ards_script.as):</strong></p> <pre><code>import mx.core.UIComponent; private function onCreationComplete():void { // create a UIComponent and add it to the Flex display list var component:UIComponent = new UIComponent(); component.width = this.width; component.height = this.height; component.x = 0; component.y = 0; this.addChild(component); // create a BitmapData object (basically an array of pixels) the same size as the screen var bd : BitmapData = new BitmapData( component.width, component.height ); // draw a green circle in the bitmap data var xCenter:int = component.width/2; var yCenter:int = component.height/2; var r:int = Math.min(xCenter,yCenter); var rSquare:int = r*r; var color:Number = 0x00ff00; for( var i:int=0; i<component.width; i++ ) { for( var j:int=0; j<component.width; j++ ) { var dX:int = i - xCenter; var dY:int = j - yCenter; var q:int = dX*dX + dY*dY; if( q < rSquare ) { bd.setPixel( i, j, color ); } } } // create a bitmap based on the data, and add it as a child to the UIComponent to be displayed // (if you try to add it directly to the Application, you get a runtime error) var bt:Bitmap = new Bitmap(bd); component.addChild(bt); } </code></pre>

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