Firefox SVG: Clip

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:svg="http://www.w3.org/2000/svg"> <body> <style type="text/css"> #div { background: #ffffff; width: 500px; height: 300px; padding: 10px; } #div img { background: #000000; } </style> <div id="div"><img src="http://maps.google.com/maps/api/staticmap?center=40.714728,-73.998672&zoom=14&size=500x300&sensor=false" alt="" class="t" /></div> <style>.t { clip-path: url(#c1); }</style> <svg:svg height="0"> <svg:clipPath id="c1" clipPathUnits="objectBoundingBox"> <svg:polyline x="0" y="0" width="0.5" height="0.5" points="0,60 20,20 40, 100, 60,40, 80,100, 100,40 120,100" fill="red" stroke="black" /> </svg:clipPath> </svg:svg> </body> </html>

First, make sure your document is served as XHTML, not HTML. SVG clipping won't work otherwise. Fix your URL to use & instead of &.

Then, remove the clipPathUnits="objectBoundingBox" or you won't get absolute coordinates. Finally, fix your path by using the following points which should get the shape you need: 0,20 125,0 250,20 375,0 500,20 500,300 0,300.

The final document will look like this:

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:svg="http://www.w3.org/2000/svg"&gt;
<body>
 <style type="text/css">
 #div { background: #ffffff; width: 500px; height: 300px; padding: 10px; }
 #div img { background: #000000; }
 </style>

 <div id="div"><img src="http://maps.google.com/maps/api/staticmap?center=40.714728,-73.998672&amp;amp;zoom=14&amp;amp;size=500x300&amp;amp;sensor=false" alt="" class="t" /></div>

 <style>.t { clip-path: url(#c1); }</style>
 <svg:svg height="0">
   <svg:clipPath id="c1">
     <svg:polyline points="0,20 125,0 250,20 375,0 500,20 500,300 0,300" />
   </svg:clipPath>
 </svg:svg>

</body>
</html>

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Firefox SVG: Clip

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