<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/12/07/converting-an-imagesnapshot-object-into-a-base-64-encoded-string-in-flex-3/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
		layout="vertical"
		verticalAlign="middle"
		backgroundColor="white" viewSourceURL="srcview/index.html">

	<mx:Script>
		<![CDATA[
			import flash.events.FocusEvent;
			import flash.system.System;
			import mx.graphics.ImageSnapshot;

			private function button_click(evt:MouseEvent):void {
				var ohSnap:ImageSnapshot = ImageSnapshot.captureImage(img);
				textArea.text = ImageSnapshot.encodeImageAsBase64(ohSnap);
			}

			private function textArea_focusIn(evt:FocusEvent):void {
				textArea.setSelection(0, textArea.text.length);
			}
		]]>
	</mx:Script>
	
	<mx:ApplicationControlBar dock="true">
		<mx:Button label="Capture and encode"
				click="button_click(event);" />
	</mx:ApplicationControlBar>
	
	<mx:Form>
		<mx:FormItem label="source:">
			<mx:Image id="img"
					source="@Embed('images/flex_logo.jpg')" />
		</mx:FormItem>
		<mx:FormItem label="Base64:">
			<mx:TextArea id="textArea"
					editable="false"
					showScrollTips="true"
					width="320"
					height="160"
					focusIn="textArea_focusIn(event);" />
		</mx:FormItem>
		<mx:FormItem>
			<mx:Button label="Copy to clipboard"
					enabled="{textArea.text.length > 0}"
					click="System.setClipboard(textArea.text);" />
		</mx:FormItem>
	</mx:Form>

</mx:Application>