package
{
	import com.nitoyon.potras.*;
	import flash.display.*;
	import flash.geom.*;
	import flash.events.*;

	[SWF(width="320",height="320")]
	public class AjustVertex extends Sprite
	{
		[Embed(source='data1.gif')]
		private var Data1:Class;

		private static const SCALE:int = 8;

		public function AjustVertex()
		{
			var bmp:Bitmap = new Data1();
			bmp.scaleX = bmp.scaleY = SCALE;
			var bmd:BitmapData = bmp.bitmapData;
			addChild(bmp);

			var i:int = 0;
			var j:int = 0;

			var pathList:Array = PathList.create(bmp.bitmapData);
			drawPath(bmd, pathList);

			var lons:Array = [];
			var sprite:Sprite = new Sprite();
			addChild(sprite);

			var movePos:Function = function(pt:Point):void
			{
				pt.x *= SCALE; pt.x += SCALE / 2;
				pt.y *= SCALE; pt.y += SCALE / 2;
			}

			for(i = 0; i < pathList.length; i++)
			{
				var sums:Array = ProcessPath.calcSums(pathList[i].priv as Array) as Array;
				lons[i] = ProcessPath.calcLon(pathList[i].priv as Array);
				var po:Array = ProcessPath.bestPolygon(pathList[i].priv as Array, lons[i], sums);
				var vertex:Array = ProcessPath.adjustVertices(pathList[i].priv as Array, sums, po);

				for(j = 0; j < vertex.length; j++)
				{
					var num:int = po[j];
					var pt:Point = pathList[i].priv[num].clone();
					movePos(pt);
					
					sprite.graphics.beginFill(0x000000);
					sprite.graphics.lineStyle();
					sprite.graphics.drawCircle(pt.x, pt.y, 2);
					sprite.graphics.endFill();

					pt = vertex[j].clone();
					movePos(pt);
					var s:Sprite = createCross();
					s.x = pt.x;
					s.y = pt.y;
					addChild(s);
				}
			}
		}

		public static function drawPath(bmd:BitmapData, pathList:Array):void
		{
			bmd.fillRect(new Rectangle(0, 0, bmd.width, bmd.height), 0xffffffff);
			for(var i:int = 0; i < pathList.length; i++)
			{
				for(var j:int = 0; j < pathList[i].priv.length; j++)
				{
					var pt:Point = pathList[i].priv[j] as Point;
					if(pt)
					{
						bmd.setPixel(pt.x, pt.y, 0x999999);
					}
				}
			}
		}

		private function createCross():Sprite
		{
			var s:Sprite = new Sprite();
			s.graphics.lineStyle(2, 0xffffff);
			s.graphics.moveTo(-5, 0)
			s.graphics.lineTo(5, 0);
			s.graphics.moveTo(0, -5);
			s.graphics.lineTo(0, 5);
			s.graphics.lineStyle(1, 0x0066cc);
			s.graphics.moveTo(-5, 0)
			s.graphics.lineTo(5, 0);
			s.graphics.moveTo(0, -5);
			s.graphics.lineTo(0, 5);
			return s;
		}
	}
}