AS3.0 图片变黑白 图片彩色变黑白代码

as3.0 图片变黑白 图片彩色变黑白代码
复制代码代码如下:   import flash.filters.colormatrixfilter;//导入色彩滤镜
   var matrix:array = [ 0.5,0.5,0.082,0,0,0.5,0.5,0.082,0,0,0.5,0.5,0.082,0,0,0,0,0,1,0 ];//定义色彩数组
   var colormat:colormatrixfilter = new colormatrixfilter(matrix);//创建滤镜对象
   //添加鼠标事件
   image_mc.addeventlistener(mouseevent.mouse_over,over);
   image_mc.addeventlistener(mouseevent.mouse_out,out);
   image_mc.filters = [colormat];

   function over(e:mouseevent):void{
      image_mc.filters = [];
   }

   function out(e:mouseevent):void{
      image_mc.filters = [colormat]; 
   }