/*
 * Clusters.as - Live Color Pointer Detection Example
 * Copyright (c) 2009 Yusuke Kawasaki http://www.kawa.net/
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */

package {

	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.display.Sprite;
    import flash.events.Event;
	import flash.media.Camera;
	import flash.media.Video;
	
	import org.libspark.LivePointers.LP_Detector;

    public class Clusters extends Sprite {

		private var bmLive:Bitmap;
		private var lpdetector:LP_Detector;
		private var video:Video;

		static private var captureFPS:int = 30;
		static private var captureX:int = 320;
		static private var captureY:int = 240;
		static private var displayX:int = 640;
		static private var displayY:int = 480;
		static private var workX:int = 80;
		static private var workY:int = 60;

        public function Clusters ():void {

			bmLive = new Bitmap();

			var spLive:Sprite = new Sprite();
			spLive.addChild( bmLive );
			spLive.scaleX = displayX / captureX;
			spLive.scaleY = displayY / captureY;
			this.addChild( spLive );
			
            // Webcam
            var camera:Camera = Camera.getCamera();
            if (!camera) {
                throw new Error('No camera found.');
            }
            camera.setMode(captureX, captureY, captureFPS);

            // Video
            video = new Video(captureX, captureY);
            video.attachCamera(camera);
			
			// Live Pointer
			lpdetector = new LP_Detector(workX,workY);
			var spPointer:Sprite = lpdetector.getPreview(displayX,displayY);
			this.addChild(spPointer);

            this.addEventListener( Event.ENTER_FRAME, this.onEnterFrame );
        }

        private function onEnterFrame (e:Event):void {
            var bmdLive:BitmapData = new BitmapData( captureX, captureY, false, 0xCCCCCC );
            bmdLive.draw( video );
			bmLive.bitmapData = bmdLive;
			lpdetector.setFrame(bmdLive);
			lpdetector.findClusters();
		}
	}
}