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(转载)FLEX 界面SKIN样式设计 - Uyang - Photoshop Flash Flex Apollo 教程 组件 开发 源代码

2007-12-07 20:17 627 查看
导读:
  FLEX对界面设计的支持是非常优秀的,如果你想修改一个UI的样式可以用很多方法,但是如果你还不满足,还想做出更多更复杂的表现呢?比如一个Canvas的边框是双线形式的,或者三线,或者其他效果,双线效果如下图.
  
  


  
  那该怎么来实现呢?这样我们就需要拓展一些样式类,比如线条是extends RectangularBorder
  //在主程序的里加入,自定义线条样式
  Canvas{
  borderSkin: ClassReference('com.uyang.canvasNewSkin');
  }
  //主程序
  
  然后我在com文件夹下的uyang文件夹下,新建立canvasNewSkin类,代码如下:
  package com.uyang{
  import mx.skins.RectangularBorder;
  import flash.display.Graphics;
  public class canvasNewSkin extends RectangularBorder{
  public function canvasNewSkin() {}
  private var _backgroundColor:uint;
  private var g:Graphics = graphics;
  private var g1:Graphics = graphics;
  
  override protected function updateDisplayList
  (unscaledWidth:Number, unscaledHeight:Number):void {
  super.updateDisplayList(unscaledWidth, unscaledHeight);
  _backgroundColor = getStyle("backgroundColor");
  
  g.beginFill(_backgroundColor,1.0);
  g.lineStyle(0,0x000000,1);
  g.drawRoundRectComplex(0,0,unscaledWidth,unscaledHeight,5,5,5,5);
  g.endFill();
  
  g1.lineStyle(0,0xff0000,1);
  g1.drawRoundRectComplex(2,2,unscaledWidth-4,unscaledHeight-4,5,5,5,5);
  g1.endFill();
  //如果需要三线,那就再加一个g2的graphics等
  }
  }
  }
  这样就完成了一个双线边框样式的***,当然随便哪个组件他们所需要拓展的边框类是一样的,别忘了,那个边框还可以画出其他更多的可能性哦,比如半圆,或者可以加点其他效果,投影,模糊等.如加个模糊效果:
  package com.uyang{
  import mx.skins.RectangularBorder;
  import flash.display.Graphics;
  import flash.filters.DropShadowFilter;
  import flash.filters.BlurFilter;
  public class canvasNewSkin extends RectangularBorder{
  public function canvasNewSkin() {}
  private var _backgroundColor:uint;
  private var g:Graphics = graphics;
  private var g1:Graphics = graphics;
  private var dropShadow:DropShadowFilter = new DropShadowFilter();
  private var blueF:BlurFilter = new BlurFilter();
  
  override protected function updateDisplayList
  (unscaledWidth:Number, unscaledHeight:Number):void {
  super.updateDisplayList(unscaledWidth, unscaledHeight);
  _backgroundColor = getStyle("backgroundColor");
  
  g.beginFill(_backgroundColor,1.0);
  g.lineStyle(0,0x000000,1);
  g.drawRoundRectComplex(0,0,unscaledWidth,unscaledHeight,5,5,5,5);
  g.endFill();
  
  g1.lineStyle(0,0xff0000,1);
  g1.drawRoundRectComplex(2,2,unscaledWidth-4,unscaledHeight-4,5,5,5,5);
  g1.endFill();
  //模糊效果
  blueF.blurX =5;
  blueF.blurY =5;
  filters = [blueF];
  //投影效果
  dropShadow.color = 0x000000;
  dropShadow.blurX = 10;
  dropShadow.blurY = 10;
  dropShadow.angle = 90;
  dropShadow.alpha = 0.5;
  dropShadow.distance = 5;
  filters = [dropShadow];
  }
  }
  }
  PS:文章为一次性写完,实在不能保证没有遗漏,如有问题可以提问.如果此代码对你造成心里困扰,或者其他负面问题,本人概不负责.:)
  
  Tags: flex, skin, 界面设计, classreference

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