image blur effect using svg filter
view the blurred image with mouse move
- include the css and script
<link type="text/css" rel="stylesheet" href="../dist/blur-viewer.css">
<script type="text/javascript" src="../dist/blur-viewer.js"></script>- add image wrapper and svg template in html with id 'blur-template'
<div class="blur-wrapper"><img class="blur-image" src="./images/pic1.jpg" alt=""></div>
<script type="text/template" id="blur-template">
<svg class="blur" width="100%">
<filter id="{{filter}}">
<feGaussianBlur stdDeviation="10" color-interpolation-filters="sRGB"/>
</filter>
<mask class="mask" id="{{mask}}">
<circle cx="-50%" cy="-50%" r="120" fill="white" filter="url(#{{filter}})" />
</mask>
<image xlink:href="{{image}}" width="100%" height="100%" filter="url(#{{filter}})" ></image>
<image xlink:href="{{image}}" width="100%" height="100%" mask="url(#{{mask}})"></image>
</svg>
</script>- call BlurViewer with new
let blurElements = document.querySelectorAll('.blur-wrapper');
if(blurElements) {
for(let i=0;i<blurElements.length;i++) {
let blurElement = blurElements[i]
if('blurViewer' in blurElement) {
blurElement.blurViewer.destroy();
};
blurElement.blurViewer = new dodoroy.BlurViewer(blurElement);
}
}
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