The <feMorphology>
SVG filter primitive is used to erode or dilate the input image. Its usefulness lies especially in fattening or thinning effects.
The <feMorphology>
SVG filter primitive is used to erode or dilate the input image. Its usefulness lies especially in fattening or thinning effects.
This element implements the SVGFEMorphologyElement
interface.
<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>
text { font-family: Arial, Helvetica, sans-serif; font-size: 3em; } #thin { filter: url(#erode); } #thick { filter: url(#dilate); }
<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>
p { margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: 3em; } #thin { filter: url(#erode); } #thick { filter: url(#dilate); }
Specification |
---|
Filter Effects Module Level 1 # feMorphologyElement |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
HTML_elements |
Yes | 79 | Yes | No | Yes | No | Yes | Yes | Yes | No | No | Yes |
feMorphology |
Yes | 12 | 4 | Yes | 9 | No | Yes | Yes | 4 | No | No | Yes |
in |
Yes | 12 | 4 | Yes | 9 | No | Yes | Yes | 4 | No | No | Yes |
operator |
Yes | 12 | 4 | Yes | 9 | No | Yes | Yes | 4 | No | No | Yes |
radius |
Yes | 12 | 4 | Yes | 9 | No | Yes | Yes | 4 | No | No | Yes |
© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/SVG/Element/feMorphology