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<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx">
	<s:layout>
		<s:HorizontalLayout />
	</s:layout>
	<fx:Script>
		<![CDATA[
			import flash.utils.setTimeout;
			
			import mx.utils.ObjectUtil;
			// http://techblog.floorplanner.com/2009/05/04/load-modify-and-save-local-images-with-flash-player-10/
			protected var f:FileReference=new FileReference();
			protected var bd:BitmapData;
			protected var p:Point=new Point();
			protected var o:Object;
			protected var lines:Array;
			protected var curLine:Array;
			protected function onFileSelect(e:Event):void {
				f.load();
			}
			protected function onLoadComplete(e:Event):void {
				var loader:Loader = new Loader();
				loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onDataLoadComplete);
				loader.loadBytes(f.data);
			}
			protected function onDataLoadComplete(e:Event):void {
				bd=Bitmap(e.target.content).bitmapData;
				img.source=bd;
				p.x=p.y=0;
				o={};
				lines=[];
				curLine=[];
				nextPoints();
			}
			protected function nextPoints():void {
				var i:int=0;
				var c:uint;
				for (i=0; i<100; i++) {
					c=bd.getPixel(p.x, p.y);
					if (!o[c]) o[c]=1;
					else o[c]++;
					//
					if (curLine.length==0) {
						curLine.push({color:c, count:1});
					} else {
						var lastC:Object=curLine[curLine.length-1];
						if (lastC.color==c) {
							lastC.count++;
						} else {
							curLine.push({color:c, count:1});
						}
					}
					//
					p.x++;
					if (p.x>=bd.width) {
						p.x=0;
						p.y++;
						lines.push(curLine);
						curLine=[];
						if (p.y>=bd.height) {
							updateCount();
							ta.appendText('\n---\n');
							appendLines();
							return;
						}
					}
				}
				updateCount();
				callLater(nextPoints);
			}
			protected function updateCount():void {
				var s:String='';
				var c:uint;
				for (var k:String in o) {
					s+='#'+uint(k).toString(16)+': '+o[k]+'\n';
					c+=o[k];
				}
				s+='\n'+bd.width+'x'+bd.height+'='+c+'\n';
				ta.text=s;
			}
			protected function appendLines():void {
				var s:String='';
				for (var i:int=0; i<lines.length; i++) {
					s+='\n - Line '+(i+1)+'\n\n';
					for (var j:int=0; j<lines[i].length; j++) {
						var o:Object=lines[i][j];
						s+='#'+uint(o.color).toString(16)+' × '+o.count+'\n';
					}
				}
				ta.appendText(s);
			}
		]]>
	</fx:Script>
	<s:creationComplete>
		<![CDATA[
			f.addEventListener(Event.SELECT, onFileSelect);
			f.addEventListener(Event.COMPLETE, onLoadComplete);
		]]>
	</s:creationComplete>
	<s:Scroller width="60%" height="100%">
		<s:Group width="100%" height="100%">
			<s:BitmapImage id="img" horizontalCenter="0" verticalCenter="0"/>
		</s:Group>
	</s:Scroller>
	<s:VGroup width="40%" height="100%" paddingLeft="10" paddingTop="10" paddingRight="10" paddingBottom="10">
		<s:TextArea width="100%" height="100%" id="ta" fontFamily="Courier New"/>
		<s:Button label="Load..." id="bLoad">
			<s:click>
				<![CDATA[
					f.browse();
				]]>
			</s:click>
		</s:Button>
	</s:VGroup>
</s:Application>