This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
The yChannelSelector attribute indicates which color channel from in2 to use to displace the pixels in in along the y-axis.
You can use this attribute with the <feDisplacementMap> SVG element.
| Value |
R | G | B | A
|
|---|---|
| Default value | A |
| Animatable | Yes |
RThis keyword specifies that the red color channel of the input image defined in in2 will be used to displace the pixels of the input image defined in in along the y-axis.
GThis keyword specifies that the green color channel of the input image defined in in2 will be used to displace the pixels of the input image defined in in along the y-axis.
BThis keyword specifies that the blue color channel of the input image defined in in2 will be used to displace the pixels of the input image defined in in along the y-axis.
AThis keyword specifies that the alpha channel of the input image defined in in2 will be used to displace the pixels of the input image defined in in along the y-axis.
<svg viewBox="0 0 440 160" xmlns="http://www.w3.org/2000/svg">
<filter id="displacementFilter">
<feImage
href="mdn.svg"
x="0"
y="0"
width="100%"
height="100%"
result="abc" />
<feDisplacementMap
in2="abc"
in="SourceGraphic"
scale="30"
yChannelSelector="R" />
</filter>
<filter id="displacementFilter2">
<feImage
href="mdn.svg"
x="0"
y="0"
width="100%"
height="100%"
result="abc" />
<feDisplacementMap
in2="abc"
in="SourceGraphic"
scale="30"
yChannelSelector="B" />
</filter>
<text x="10" y="60" font-size="50" filter="url(#displacementFilter)">
Some displaced text
</text>
<text x="10" y="120" font-size="50" filter="url(#displacementFilter2)">
Some displaced text
</text>
</svg>
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
yChannelSelector |
5 | 79 | 3 | 15 | 6 | 18 | 4 | 14 | 6 | 1.0 | 4.4 | 6 |
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https://developer.mozilla.org/en-US/docs/Web/SVG/Reference/Attribute/yChannelSelector