flash绘图API：恋上你的CD

    

 

  

       早上，我无意间碰撞到一个女孩，那时候，她匆匆忙地走了。从她的口袋里面掉下了一本陈旧的书，在哪里我看到她藏在书中的那封陈旧的信和cd。我好奇打开它，一边听着她那张cd，一边看她的写的信，忽然间有一种恋上她的感觉。我深深地被那声音和文字吸引，每次站在校园路上，总是想找到那个女孩，每一分每一秒，我心期盼再次能够看到你那细腻的笔迹和温柔的声音。

 

    而你在哪里？

 

 

 package {import flash.display.*;import flash.net.*;import flash.events.*;import flash.filters.*;import flash.geom.*;public class LoveCD extends Sprite{private var radius:Number;private var _bitmap:Bitmap;public static const LOAD_COMPLETE:String="complete";public function LoveCD(radius:Number){this.radius=radius;}//加载图片public function loadImage(url:String):void{var loader:Loader=new Loader();loader.contentLoaderInfo.addEventListener(Event.COMPLETE,onLoadComplete);loader.load(new URLRequest(url));}//绘制底部private function drawBase():void{var bottomShape:Shape=new Shape();bottomShape.x=0;bottomShape.y=0;addChild(bottomShape);bottomShape.graphics.beginFill(0xffffff,0.5);bottomShape.graphics.drawCircle(0,0,radius);bottomShape.graphics.drawCircle(0,0,radius-2);bottomShape.graphics.endFill();}private function onLoadComplete(event:Event):void{event.currentTarget.removeEventListener(Event.COMPLETE,onLoadComplete);var bitmap:Bitmap=Bitmap(event.currentTarget.content);drawBase();this.content=bitmap;this.dispatchEvent(new Event(LoveCD.LOAD_COMPLETE)); }//设置位图public function set content(value:Bitmap):void{this._bitmap=value;}public function get content():Bitmap{return this._bitmap;}//绘制CD,radiusA,radiusB,radiusC，由小到大public function drawCD(image:Bitmap,radiusA:Number,radiusB:Number,radiusC:Number,offPoint:Point=null,repeat:Boolean=false,smooth:Boolean=false):void{var maskShape:Shape=new Shape();maskShape.x=0;maskShape.y=0;addChild(maskShape);if(offPoint==null)maskShape.graphics.beginBitmapFill(image.bitmapData,null,repeat,smooth);elsemaskShape.graphics.beginBitmapFill(image.bitmapData,new Matrix(1,0,0,1,offPoint.x,offPoint.y),repeat,smooth);maskShape.graphics.drawCircle(0,0,radiusA);maskShape.graphics.drawCircle(0,0,radius-2);maskShape.graphics.endFill();var shapeB:Shape=new Shape();shapeB.x=0;shapeB.y=0;addChild(shapeB);shapeB.graphics.beginFill(0x999999,0.3);shapeB.graphics.lineStyle(0,0x999999);shapeB.graphics.drawCircle(0,0,radiusB);shapeB.graphics.drawCircle(0,0,radiusB+2);shapeB.graphics.drawCircle(0,0,radiusC);shapeB.graphics.endFill();shapeB.graphics.lineStyle(0,0xffffff,0.6);shapeB.graphics.drawCircle(0,0,radiusC-1);}}}

 

 

 package {import flash.display.*;import flash.net.*;import flash.events.*;import flash.filters.*;import flash.geom.*;public class Example extends Sprite{private var mycd:LoveCD=new LoveCD(200);public function Example(){init();}private function init():void{addChildAt(mycd,0);mycd.x=stage.stageWidth/2;mycd.y=stage.stageHeight/2;mycd.filters=[new DropShadowFilter(3,45,0.5,1,1)];mycd.loadImage("1.jpg");//加载图片mycd.addEventListener(LoveCD.LOAD_COMPLETE,onLoadComplete);}private function onLoadComplete(event:Event):void{mycd.drawCD(mycd.content,30,50,70,new Point(-350,-230)); } }}