package {
	import flash.display.*;
	import flash.net.*;
	import flash.utils.ByteArray;
	import flash.events.MouseEvent;

	public class Sample extends Sprite{
		
		public var btn:MovieClip;
		private const CGI_URL:String = "http://～/fla.cgi";
	
		//コンストラクタ
		public function Sample(){
			
			//「Change Image」ボタン設定
			btn.buttonMode = true;
			btn.addEventListener( MouseEvent.CLICK, clicked );
		}
	
		//ボタン押下
		private function clicked(ev:MouseEvent):void{
			
			btn.visible = false;
			
			var ba:ByteArray = PNGEnc.encode( printScreen() );
			//var jpg:JPEGEncoder = new JPEGEncoder(100);
			//var ba:ByteArray = jpg.encode( printScreen() );
			send( ba );
		}
		
		//ステージビットマップ化
		private function printScreen():BitmapData{
			
			var bm:BitmapData = new BitmapData( 240, 240, true );
			bm.draw( this );
			return bm;
		}
		
		//CGIへデータ送信
		private function send( ba:ByteArray ):void{

			var myReq:URLRequest = new URLRequest();
			myReq.url    = CGI_URL;
			myReq.data   = ba;
			myReq.method = URLRequestMethod.POST;
			navigateToURL( myReq, "_self" );
		}
	}
}