/**
* @mxmlc -sp+=G:\davidr\papervision\as3\src
*/

package {
import flash.geom.*;
import flash.display.*;
import flash.events.*;
import flash.ui.Keyboard;
import flash.text.*;
import flash.filters.*;
import flash.utils.*;

[SWF(width="600", height="400", backgroundColor="#eeeeee", frameRate="30")]
public class Main extends Sprite
{
	[Embed(source="../logo.png")]
	public var Logo:Class;
	var logo:Sprite;
	var buf:Bitmap;
	var blur:BlurFilter;
	var ct:ColorTransform;
	
	public function Main()
	{
		stage.scaleMode = "noScale";
		stage.align = "TL";
		buf = new Bitmap();
		addChild(buf);
				
		ct = new ColorTransform(1,1,1,1,
								1,1,1,0);
		blur = new BlurFilter(1.5, 1.5, 1);
		
		var logoBMP:Bitmap = new Logo();
		logo = new Sprite();
		logo.addChild(logoBMP);
		addChild(logo);
		
		onResize(null);

		
		logo.addEventListener(MouseEvent.MOUSE_DOWN, grab);
		logo.addEventListener(MouseEvent.MOUSE_UP, release);
		addEventListener(Event.ENTER_FRAME, onEnterFrame);
		
		stage.addEventListener(Event.RESIZE, onResize);
	}
	
	public function onResize(e:Event) {
		buf.bitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, false, 0xdddddd);
		var sw:Number = stage.stageWidth;
		var sh:Number = stage.stageHeight;
		var lw:Number = logo.width;
		var lh:Number = logo.height;
		logo.x = (sw-lw)/2;
		logo.y = (sh-lh)/2;
		
	}
	
	public function grab(e:Event) {
		logo.startDrag();
	}
	
	public function release(e:Event) {
		logo.stopDrag();
	}
	
	var flag:int = 0;
	
	public function onEnterFrame(e:Event) {
		flag++;
		if(flag == 2)
		{
			buf.bitmapData.draw(stage, null, ct, null, null, true);
			flag = 0;
		}
		else
			buf.bitmapData.draw(stage, null, null, null, null, true);
		buf.bitmapData.applyFilter(buf.bitmapData, buf.getBounds(buf), new Point(0,0), blur);
	}
}

}