Nevermind, I forgot I need to add a UIComponent inside the Canvas:
<mx:Canvas id="myCanvas" x="10" y="10" width="774"
height="463" borderColor="0xD4001A" borderStyle="solid">
<mx:UIComponent id="myUIComponent" />
</mx:Canvas>
Jason
--- In [email protected], "Merrill, Jason"
<[EMAIL PROTECTED]> wrote:
>
> Can anyone see the error in this setup?
>
> //drawTest.mxml file:
>
> <?xml version="1.0" encoding="utf-8"?>
> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
> layout="absolute" applicationComplete="init()"
> backgroundColor="0xFFFFFF">
> <mx:Script>
> <![CDATA[
> import src.DrawBitmap;
> private function init():void
> {
> var spiral:DrawBitmap = new DrawBitmap(myCanvas);
> }
> ]]>
> </mx:Script>
> <mx:Canvas id="myCanvas" x="10" y="10" width="774" height="463"
> borderColor="0xD4001A" borderStyle="solid"/>
> </mx:Application>
>
>
> // DrawBitmap.as class:
>
> package src
> {
> import mx.containers.Canvas;
> import flash.display.BitmapData;
> import flash.display.Bitmap;
> import flash.geom.Rectangle;
>
> public class DrawBitmap
> {
> private var _canvas:Canvas;
> private var _bitmap:Bitmap;
> private var _imgData:BitmapData;
>
> public function DrawBitmap(canvas:Canvas):void
> {
> _canvas = canvas;
> _imgData = new BitmapData(20, 20, false, 0xFF00FF00);
> _imgData.fillRect(new Rectangle(5, 5, 10, 10), 0xFF0000FF);
> _bitmap = new Bitmap(_imgData);
> _canvas.addChild(_bitmap); //Produces error
> }
>
> }
> }
>
> At runtime, I get this error in the debugger:
> TypeError: Error #1034: Type Coercion failed: cannot convert
> flash.display::[EMAIL PROTECTED] to mx.core.IUIComponent.
> at
>
mx.core::Container/http://www.adobe.com/2006/flex/mx/internal::addingC
hi
> ld()[C:\dev\GMC\sdk\frameworks\mx\core\Container.as:3303]
>
> Seems to appear on the last line of the DrawBitmap class when I do
> _canvas.addChild(_bitmap). That seems legal to me - add a bitmap
> display object to a canvas display object. No? What am I
missing? If
> that's not legal, then how to add my bitmap object to the canvas?
>
> Thanks,
>
>
> Jason Merrill
> Bank of America
> L&LD GT&O
> eTools & Multimedia Research & Development
>
