SVG FEDisplacementMap.xChannelSelector属性用法及代码示例

SVG FEDisplacementMap.xChannelSelector属性返回与FEDisplacementMap.xChannelSelector元素的xChannelSelector组件相对应的SVGAnimatedEnumeration对象。

用法:

var a = FEDisplacementMap.xChannelSelector

返回值：此属性返回与FEDisplacementMap.xChannelSelector元素的xChannelSelector组件相对应的SVGAnimatedEnumeration对象。

范例1：

HTML

<!DOCTYPE html>  
<html>  
  
<body>  
    <svg width="200" height="200"
        viewBox="0 0 220 220">  
  
        <filter id="displacementFilter">  
  
            <feTurbulence type="turbulence"
                baseFrequency="1" numOctaves="2"
                result="turbulence"/>  
  
            <feDisplacementMap in2="turbulence"
                in="SourceGraphic" scale="50"
                xChannelSelector="R"
                yChannelSelector="B"  id="gfg"/>  
        </filter>  
  
        <circle cx="100" cy="100" r="100"
            stroke="green" style=  
            "filter:url(#displacementFilter)" />  
  
        <script type="text/javascript"> 
            var g = document.getElementById("gfg"); 
            console.log(g.xChannelSelector) 
            console.log("xChannelSelector value is:",  
            g.xChannelSelector.baseVal) 
  
        </script> 
    </svg>  
</body>  
  
</html>

输出：

范例2：

HTML

<!DOCTYPE html>  
<html>  
  
<body>  
    <svg width="200" height="200"
        viewBox="0 0 220 220">  
  
        <filter id="displacementFilter">  
  
            <feTurbulence type="turbulence"
                baseFrequency="5" numOctaves="2"
                result="turbulence" />  
  
            <feDisplacementMap in2="abc"
                in="SourceGraphic" scale="200"
                xChannelSelector="B"
                yChannelSelector="R" id="gfg" />  
        </filter>  
  
        <rect width="250" height="250" style
        ="filter:url(#displacementFilter)" />  
  
        <script type="text/javascript"> 
            var g = document.getElementById("gfg"); 
            console.log(g.xChannelSelector) 
            console.log("xChannelSelector value is:",  
            g.xChannelSelector.baseVal) 
        </script> 
    </svg>  
</body>  
  
</html>

输出：

支持的浏览器：

谷歌浏览器
Edge
Firefox
Safari
Opera
IE浏览器

相关用法

注：本文由纯净天空筛选整理自taran910大神的英文原创作品 SVG FEDisplacementMap.xChannelSelector Property。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。