?? samplealphamask.as
字號:
package org.kingda.book.display
{
import flash.display.Sprite;
import flash.display.Loader;
import flash.net.URLRequest;
import flash.events.Event;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.filters.BlurFilter;
import flash.filters.BitmapFilterQuality;
public class SampleAlphaMask extends Sprite
{
private var _bitmap:Bitmap;
private var _circleMask:Sprite;
public function SampleAlphaMask() {
initMask();
startLoadImg();
}
private function loaded(evt:Event):void {
_bitmap = evt.target.content as Bitmap;
addChild(_bitmap);
_bitmap.cacheAsBitmap = true;
_bitmap.mask = _circleMask;
}
private function initMask():void {
_circleMask = new Sprite();
_circleMask.graphics.beginFill(0xff0000);
_circleMask.graphics.drawCircle(60,60,60);
_circleMask.graphics.endFill();
_circleMask.filters = [new BlurFilter(20,20, BitmapFilterQuality.HIGH)];
_circleMask.cacheAsBitmap = true;
addChild(_circleMask);
_circleMask.startDrag(true);
}
private function startLoadImg():void {
var loader:Loader = new Loader();
var request:URLRequest = new URLRequest("fla/desktop_madebykingda_1024.jpg");
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loaded);
loader.load(request);
}
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -