fecolormatrix

<feColorMatrix>SVG过滤器元件改变基于变换矩阵的颜色。每个像素的颜色值（由R，G，B，A向量表示）被矩阵相乘以创建新的颜色。

用法上下文

属性

全局属性

• Core attributes

• Presentation attributes

• Filter primitive attributes

• class

• style

具体属性

• in

• type

• values

DOM接口

这个元素实现了SVGFEColorMatrixElement接口。

例

SVG

<svg width="100%" height="100%" viewBox="0 0 150 360"
    preserveAspectRatio="xMidYMid meet"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:xlink="http://www.w3.org/1999/xlink">

  <text x="70" y="50">Reference</text>
  <g>
    <circle cx="30" cy="30" r="20" fill="blue" fill-opacity="0.5" />
    <circle cx="20" cy="50" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="50" r="20" fill="red" fill-opacity="0.5" />
  </g>

  <text x="70" y="120">matrix</text>

  <filter id="colorMeMatrix">
    <feColorMatrix in="SourceGraphic"
        type="matrix"
        values="0 0 0 0 0
                1 1 1 1 0
                0 0 0 0 0
                0 0 0 1 0" />
  </filter>

  <g filter="url(#colorMeMatrix)">
    <circle cx="30" cy="100" r="20" fill="blue"  fill-opacity="0.5" />
    <circle cx="20" cy="120" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="120" r="20" fill="red"   fill-opacity="0.5" />
  </g>

  <text x="70" y="190">saturate</text>

  <filter id="colorMeSaturate">
    <feColorMatrix in="SourceGraphic"
        type="saturate"
        values="0.2" />
  </filter>

  <g filter="url(#colorMeSaturate)">
    <circle cx="30" cy="170" r="20" fill="blue" fill-opacity="0.5" />
    <circle cx="20" cy="190" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="190" r="20" fill="red" fill-opacity="0.5" />
  </g>

  <text x="70" y="260">hueRotate</text>

  <filter id="colorMeHueRotate">
    <feColorMatrix in="SourceGraphic"
        type="hueRotate"
        values="180" />
  </filter>

  <g filter="url(#colorMeHueRotate)">
    <circle cx="30" cy="240" r="20" fill="blue"  fill-opacity="0.5" />
    <circle cx="20" cy="260" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="260" r="20" fill="red"   fill-opacity="0.5" />
  </g>

  <text x="70" y="320">luminanceToAlpha</text>

  <filter id="colorMeLTA">
    <feColorMatrix in="SourceGraphic"
        type="luminanceToAlpha" />
  </filter>

  <g filter="url(#colorMeLTA)">
    <circle cx="30" cy="310" r="20" fill="blue"  fill-opacity="0.5" />
    <circle cx="20" cy="330" r="20" fill="green" fill-opacity="0.5" />
    <circle cx="40" cy="330" r="20" fill="red"   fill-opacity="0.5" />
  </g>
</svg>

结果

产品规格

浏览器兼容性