package
{
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.net.URLLoader;
	import flash.net.URLLoaderDataFormat;
	import flash.net.URLRequest;
	import org.libspark.swfassist.io.DataInput;
	import org.libspark.swfassist.io.ByteArrayInputStream;
	import org.libspark.swfassist.swf.io.ReadingContext;
	import org.libspark.swfassist.swf.io.SWFReader;
	import org.libspark.swfassist.swf.structures.SWF;
	import org.libspark.swfassist.inprogress.swf.AnimationCollector;
	import org.libspark.swfassist.swf.structures.Shape;
	import org.libspark.swfassist.flash.display.ShapeDrawer;
	import org.libspark.swfassist.flash.display.ShapeOutlineDrawer;
	import org.libspark.swfassist.flash.display.VectorGraphics;
	import org.libspark.swfassist.flash.display.FlashGraphics;
	import org.libspark.swfassist.flash.display.PenGraphics;
	import org.libspark.swfassist.swf.tags.Tags;
	import flash.utils.getTimer;
	import flash.text.TextField;

	[SWF(width=480,height=360,backgroundColor=0xffffff)]
	public class Demo4 extends Sprite
	{
		public function Demo4()
		{
			var loader:URLLoader = new URLLoader();
			loader.dataFormat = URLLoaderDataFormat.BINARY;
			loader.addEventListener(Event.COMPLETE, completeHandler);
			loader.load(new URLRequest(''));
		}
		
		private function completeHandler(e:Event):void
		{
			var loader:URLLoader = URLLoader(e.target);
			_input = new ByteArrayInputStream(loader.data);
			_context = new ReadingContext();
			_reader = new SWFReader();
			_swf = new SWF();
			_reader.readSWF(_input, _context, _swf, 2000);
			_t = getTimer();
			addChild(new TextField());
			addEventListener(Event.ENTER_FRAME, readHandler);
		}
		
		private function readHandler(e:Event):void
		{
			var tags:Tags = _swf.tags;
			TextField(getChildAt(0)).text = tags.numTags.toString();
			trace('read<' + tags.numTags + '>');
			for (;;) {
				var l:uint = tags.numTags;
				_reader.readTags(_input, _context, tags, 1000);
				if (tags.numTags == l) {
					removeChildAt(0);
					removeEventListener(Event.ENTER_FRAME, readHandler);
					trace('complete');
					startAnimation();
					break;
				}
				if ((getTimer() - _t) > 1000) {
					_t = getTimer();
					break;
				}
			}
		}
		
		private function startAnimation():void
		{
			stage.frameRate = _swf.header.frameRate;
			_swf.visit(_animation);
			addChild(_canvas);
			addEventListener(Event.ENTER_FRAME, animationHandler);
		}
		
		private function animationHandler(e:Event):void
		{
			_animation.drawFrame(_canvas, _drawer, ++_f);
		}
		
		private var _input:ByteArrayInputStream;
		private var _context:ReadingContext;
		private var _reader:SWFReader;
		private var _swf:SWF;
		private var _t:uint;
		private var _f:uint = 0;
		private var _animation:AnimationCollector = new AnimationCollector();
		private var _canvas:Sprite = new Sprite();
		private var _drawer:ShapeDrawer = new ShapeOutlineDrawer(new FlashGraphics());
	}
}