<feGaussianBlur>

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

* Some parts of this feature may have varying levels of support.

<feGaussianBlur> SVG 滤镜原语根据 stdDeviation 指定的值(其定义了模糊的钟形曲线)对输入图像进行模糊处理。

使用上下文

类别滤镜元素
允许的内容任意数量、任意顺序的下列元素:
<animate><set>

属性

DOM 接口

该元素实现了 SVGFEGaussianBlurElement 接口。

示例

基础示例

SVG

html
<svg
  width="230"
  height="120"
  xmlns="http://www.w3.org/2000/svg"
  xmlns:xlink="http://www.w3.org/1999/xlink">
  <filter id="blurMe">
    <feGaussianBlur in="SourceGraphic" stdDeviation="5" />
  </filter>

  <circle cx="60" cy="60" r="50" fill="green" />

  <circle cx="170" cy="60" r="50" fill="green" filter="url(#blurMe)" />
</svg>

结果

阴影示例

SVG

html
<svg
  width="120"
  height="120"
  xmlns="http://www.w3.org/2000/svg"
  xmlns:xlink="http://www.w3.org/1999/xlink">
  <filter id="dropShadow">
    <feGaussianBlur in="SourceAlpha" stdDeviation="3" />
    <feOffset dx="2" dy="4" />
    <feMerge>
      <feMergeNode />
      <feMergeNode in="SourceGraphic" />
    </feMerge>
  </filter>

  <circle cx="60" cy="60" r="50" fill="green" filter="url(#dropShadow)" />
</svg>

结果

规范

Specification
Filter Effects Module Level 1
# feGaussianBlurElement

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
feGaussianBlur
edgeMode
in
stdDeviation

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

参见