Flex内阴影实现

发布时间：2020-12-15 04:30:53 所属栏目：百科来源：网络整理

导读：private function getBitmapFilter():BitmapFilter { ??? var color:Number = 0x96c2e6; ??? var alpha:Number = 0.8; ??? var blurX:Number = 5; ??? var blurY:Number = 5; ??? var strength:Number = 2; ??? var inner:Boolean = true; ??? var knockout:

private function getBitmapFilter():BitmapFilter {
??? var color:Number = 0x96c2e6;
??? var alpha:Number = 0.8;
??? var blurX:Number = 5;
??? var blurY:Number = 5;
??? var strength:Number = 2;
??? var inner:Boolean = true;
??? var knockout:Boolean = false;
var quality:Number = BitmapFilterQuality.HIGH;

??? return new GlowFilter(color,
????????????????????????? alpha,
????????????????????????? blurX,
????????????????????????? blurY,
????????????????????????? strength,
????????????????????????? quality,
????????????????????????? inner,
????????????????????????? knockout);
}

设置组件的filters属性，组件要设置边框和背景色样式才能看得出，下面是示例：
??? <mx:Canvas width="300" height="200" filters="{[getBitmapFilter()]}"?
??????? borderStyle="solid" backgroundColor="#FFFFFF"/>
可适当调节一些参数值来改变内阴影的效果。

（编辑：李大同）

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