The <feMorphology>
SVG filter primitive is used to erode or dilate the input image. Its usefulness lies especially in fattening or thinning effects.
Usage context
Categories | Filter primitive element |
---|---|
Permitted content | Any number of the following elements, in any order:<animate> , <set> |
Attributes
Global attributes
Specific attributes
DOM Interface
This element implements the SVGFEMorphologyElement
interface.
Examples
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
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
feMorphology | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 4 | IE Full support Yes | Opera Full support 9 | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support Yes |
On HTML elements | Chrome Full support Yes | Edge Full support 79 | Firefox Full support Yes | IE No support No | Opera Full support Yes | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support Yes |
in | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 4 | IE Full support Yes | Opera Full support 9 | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support Yes |
operator | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 4 | IE Full support Yes | Opera Full support 9 | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support Yes |
radius | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 4 | IE Full support Yes | Opera Full support 9 | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support 4 | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown