SVG参考手册
分类 | Elements
femorphology
该<feMorphology>
原语SVG滤波器用来腐蚀或扩张输入图像。特别是在育肥或减肥效果方面,这是有用的。
用法上下文
分类 |
过滤基元 |
---|---|
允许的内容 |
以任意顺序包含以下任意数量的元素:<animate>,<set> |
属性
全局属性
- Core attributes
- Presentation attributes
- Filter primitive attributes
class
style
具体属性
in
operator
radius
DOM接口
这个元素实现了SVGFEMorphologyElement
接口。
过滤SVG内容
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);
}
过滤HTML内容
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);
}
产品规格
Specification |
Status |
Comment |
---|---|---|
Filter Effects Module Level 1The 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 |
浏览器兼容性
Feature |
Chrome |
Edge |
Firefox (Gecko) |
Internet Explorer |
Opera |
Safari |
---|---|---|---|---|---|---|
Basic support |
(Yes) |
(Yes) |
4.0 (2.0) |
(Yes) |
9.0 |
? |
On HTML elements |
No support |
? |
(Yes) |
No support |
No support |
? |
Feature |
Android |
Edge |
Firefox Mobile (Gecko) |
IE Phone |
Opera Mobile |
Safari Mobile |
---|---|---|---|---|---|---|
Basic support |
? |
(Yes) |
? |
? |
? |
? |
On HTML elements |
? |
? |
? |
? |
? |
? |