We're looking for a user researcher to understand the needs of developers and designers. Is this you or someone you know? Check out the post: https://mzl.la/2IGzdXS

この記事はまだボランティアによって 日本語 に翻訳されていません。ぜひ MDN に参加して翻訳を手伝ってください!
この記事を English (US) で読むこともできます。

The <feMorphology> SVG filter primitive is used to erode or dilate the input image. It's usefulness lies especially in fattening or thinning effects.

Usage context

CategoriesFilter primitive element
Permitted contentAny number of the following elements, in any order:
<animate>, <set>

Attributes

Global attributes

Specific attributes

DOM Interface

This element implements the SVGFEMorphologyElement interface.

Filtering SVG content

SVG

<svg xmlns="http://www.w3.org/2000/svg" width="300" height="180">
  <filter id="erode">
    <feMorphology operator="erode" radius="1"/>
  </filter>
  <filter id="dilate">
    <feMorphology operator="dilate" radius="2"/>
  </filter>
  <text y="1em">Normal text</text>
  <text id="thin" y="2em">Thinned text</text>
  <text id="thick" y="3em">Fattened text</text>
</svg>

CSS

text {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 3em;
}

#thin {
  filter: url(#erode);
}

#thick {
  filter: url(#dilate);
}

Filtering HTML content

SVG

<svg xmlns="http://www.w3.org/2000/svg" width="0" height="0">
  <filter id="erode">
    <feMorphology operator="erode" radius="1"/>
  </filter>
  <filter id="dilate">
    <feMorphology operator="dilate" radius="2"/>
  </filter>
</svg>

<p>Normal text</p>
<p id="thin">Thinned text</p>
<p id="thick">Fattened text</p>

CSS

p {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 3em;
}

#thin {
  filter: url(#erode);
}

#thick {
  filter: url(#dilate);
}

Specifications

Specification Status Comment
Filter Effects Module Level 1
The definition of '<feMorphology>' in that specification.
Working Draft No change
Scalable Vector Graphics (SVG) 1.1 (Second Edition)
The definition of '<feMorphology>' in that specification.
Recommendation Initial definition

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes4 Yes9 ?
On HTML elements Yes No Yes No Yes ?
in Yes Yes4 Yes9 ?
operator Yes Yes4 Yes9 ?
radius Yes Yes4 Yes9 ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support ? Yes Yes ? ? ? ?
On HTML elements ? Yes No Yes ? ? ?
in ? Yes Yes ? ? ? ?
operator ? Yes Yes ? ? ? ?
radius ? Yes Yes ? ? ? ?

See also

ドキュメントのタグと貢献者

このページの貢献者: Jeremie, abbycar, Sebastianz, iwarui, kscarfone, Manuel_Strehl
最終更新者: Jeremie,