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copied!<p>You are trying to read the field <code>bmap</code> from <code>e</code> who is a <code>MouseEvent</code> and don't have such field.</p> <p>Also the <code>Bitmap</code> has no field named bData but <code>bitmapData</code>.</p> <p>One way to get the bitmap from the your sprite is to use the target of the event and use <a href="http://www.adobe.com/livedocs/flex/2/langref/flash/display/DisplayObjectContainer.html" rel="nofollow noreferrer">getObjectsUnderPoint</a> to get the bitmap (in case you have multiple bitmap into your sprite)</p> <p>Also don't forget to take the mouse coordinate from the bmap, otherway you will have to play with Point conversion using <a href="http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/display/DisplayObject.html#globalToLocal()" rel="nofollow noreferrer">globalToLocal</a> and <a href="http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/display/DisplayObject.html#localToGlobal()" rel="nofollow noreferrer">LocalToGlobal</a> </p> <pre><code>// function to get the bitmap from a display object container // using the mouse coordinate function findBitmap(container:DisplayObjectContainer):Bitmap { if (container === null) return null; var childs:Array = container.getObjectsUnderPoint( new Point(container.mouseX, container.mouseY) ); while (childs.length > 0) { var ret:Bitmap = childs.pop() as Bitmap; if (ret !== null) return ret; } return null; } // .... canvas = new Sprite; addChild(canvas); canvas.addChild(bmap); //Mouse Track Pixel Colors canvas.addEventListener(MouseEvent.CLICK, readPixel); // ... function readPixel(e:MouseEvent):void { // found the bitmap from the currentTarget var bmap:Bitmap=findBitmap(e.currentTarget as DisplayObjectContainer); var hex:uint=0; if (bmap!==null) { hex = bmap.bitmapData.getPixel32(bmap.mouseX, bmap.mouseY); } var pixelAlpha:int = (hex >>> 0x18) & 0xff; var red:int = (hex >>> 0x10) & 0xff; var green:int = (hex >>> 0x08) & 0xff; var blue:int = hex & 0xff; colorText.text = "Red:" + red + " Green:" + green + " Blue:" + blue + " Alpha:" + pixelAlpha; } </code></pre>

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