var request:URLRequest = new URLRequest("http://design-studio.cn/
blog/wp-content/uploads/2010/02/generateur_avatars.swf");
var loader:Loader = new Loader();
loader.load(request);
addChild(loader);

var loader:Loader = new Loader(   );
loader.load(new URLRequest("image.jpg"));
addChild(loader);
var maskSprite:Sprite = new Sprite(   );
maskSprite.graphics.lineStyle(   );
maskSprite.graphics.beginFill(0xFFFFFF);
maskSprite.graphics.drawCircle(0, 0, 50);
maskSprite.graphics.endFill(   );
loader.mask = maskSprite;
addChild(maskSprite);
maskSprite.startDrag(true);

package {
	import flash.display.Sprite;
	import flash.geom.Matrix;
	import flash.display.Loader;
	import flash.net.URLRequest;
	import flash.display.BitmapData;
	import flash.events.Event;
	public class Drawing extends Sprite {
		private var _loader:Loader;
		public function Drawing(   ) {
			_loader = new Loader(   );
			_loader.load(new URLRequest("image.jpg"));
			_loader.contentLoaderInfo.addEventListener
(Event.COMPLETE, onImageLoad);
		}
		private function onImageLoad(event:Event):void {
			var bitmap:BitmapData = new BitmapData
(_loader.width, _loader.height);
			bitmap.draw(_loader, new Matrix(   ));
			var matrix:Matrix = new Matrix(   );
			matrix.scale(.1, .1);
			var sampleSprite:Sprite = new Sprite(   );
			sampleSprite.graphics.lineStyle(   );
			sampleSprite.graphics.beginBitmapFill(bitmap, matrix);
			sampleSprite.graphics.drawCircle(100, 100, 100);
			sampleSprite.graphics.endFill(   );
			addChild(sampleSprite);
		}
	}
}

package {
	import flash.display.Sprite;
	import flash.display.DisplayObject;
	import flash.events.MouseEvent;
	import flash.geom.Point;
	import flash.filters.DropShadowFilter;
	public class ColorDrop extends Sprite {
		private var _red:Sprite;
		private var _green:Sprite;
		private var _blue:Sprite;
		private var _white:Sprite;
		//  保存被拖动对象原始坐标
		private var startingLocation:Point;
		//  创建矩形和添加事件
		public function ColorDrop(   ) {
			createRectangles(   );
			addEventListeners(   );
		}
		private function createRectangles(   ):void {
			_red = new Sprite(   );
			_red.graphics.beginFill( 0xFF0000 );
			_red.graphics.drawRect( 0, 10, 10, 10 );
			_red.graphics.endFill(   );
			_green = new Sprite(   );
			_green.graphics.beginFill( 0x00FF00 );
			_green.graphics.drawRect( 0, 30, 10, 10 );
			_green.graphics.endFill(   );
			_blue = new Sprite(   );
			_blue.graphics.beginFill( 0x0000FF );
			_blue.graphics.drawRect( 0, 50, 10, 10 );
			_blue.graphics.endFill(   );
			_white = new Sprite(   );
			_white.graphics.beginFill( 0xFFFFFF );
			_white.graphics.drawRect( 20, 10, 50, 50 );
			_white.graphics.endFill(   );
			addChild( _red );
			addChild( _green );
			addChild( _blue );
			addChild( _white );
		}
		private function addEventListeners(   ):void {
		  _red.addEventListener( MouseEvent.MOUSE_DOWN, pickup );
		  _red.addEventListener( MouseEvent.MOUSE_UP, place );
		  _green.addEventListener( MouseEvent.MOUSE_DOWN, pickup );
		  _green.addEventListener( MouseEvent.MOUSE_UP, place );
		  _blue.addEventListener( MouseEvent.MOUSE_DOWN, pickup );
		  _blue.addEventListener( MouseEvent.MOUSE_UP, place );
		}
		public function pickup( event:MouseEvent ):void {
		   //  保存原始坐标以便回位
		  startingLocation = new Point(   );
		   startingLocation.x = event.target.x;
		   startingLocation.y = event.target.y;
		   //开始拖动，给被拖动对象加上阴影
		   event.target.startDrag(   );
		   event.target.filters = [ new DropShadowFilter(   ) ];
		   //  把被拖动对象显示在最前面
		  setChildIndex( DisplayObject( event.target ), numChildren - 1 );
		}
		public function place( event:MouseEvent ):void {
			//  停止拖动，取消阴影效果
			event.target.stopDrag(   );
			event.target.filters = null;
			//  检测是否已经被拖动到白色矩形上
			if (event.target.dropTarget==_white) {
				//  设置颜色
				var color:uint;
				switch (event.target) {
					case _red :
						color = 0xFF0000;
						break;
					case _green :
						color = 0x00FF00;
						break;
					case _blue :
						color = 0x0000FF;
						break;
				}
				_white.graphics.clear(   );
				_white.graphics.beginFill( color );
				_white.graphics.drawRect( 20, 10, 50, 50 );
				_white.graphics.endFill(   );
			}
			//  把被拖动对象放回原位
			event.target.x = startingLocation.x;
			event.target.y = startingLocation.y;
		}
	}
}

package {
	import flash.display.Sprite;
	import flash.events.MouseEvent;
	public class DrawingDemo extends Sprite {
	    // Flag to indicate whether the mouse is in draw mode
	    private var _drawing:Boolean;
	   public function DrawingDemo(   ) {//  设置线条样式
		graphics.lineStyle( 2, 0xFF0000 );
		//  按住鼠标就绘图
		_drawing = false;
		//  监听鼠标事件
		stage.addEventListener( MouseEvent.MOUSE_DOWN, startDrawing );
		stage.addEventListener( MouseEvent.MOUSE_MOVE, draw );
		stage.addEventListener( MouseEvent.MOUSE_UP, stopDrawing );
		}
		public function startDrawing( event:MouseEvent ):void {
			//  绘制起点
			graphics.moveTo( mouseX, mouseY );
			_drawing = true;
		}
		public function draw( event:MouseEvent ):void {
			if (_drawing) {
				//  鼠标走到哪画到哪
				graphics.lineTo( mouseX, mouseY );
			}
		}
		public function stopDrawing( event:MouseEvent ):void {
			_drawing = false;
		}
	}
}

package {
	import flash.display.*;
	import flash.net.URLRequest;
	public class LoaderExample extends Sprite {
		public function LoaderExample() {
			// 1.  创建Loader 类实例
			var loader:Loader=new Loader  ;
			// 2.  添加到可视化对象列表
			addChild(loader);
			// 3.  调用load(   )方法
			loader.load(new URLRequest("image.jpg"));
		}
	}
}