Is there an equivalent of spriting for SVG images in web pages?

SVG images aren’t bitmaps, so (unless I’m missing something) you can’t do spriting like you can with other images files used on web pages (see开发者_运维技巧 http://www.alistapart.com/articles/sprites).

But is there an equivalent mechanism to display only part of an SVG image as a CSS background?

E.g. imaginary syntax:

div.my-special-svg-div {
    background-image: url(sprite-image.svg#one-shape-in-the-svg-file);
}

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You can use 'traditional' CSS sprite techniques to slice up SVG images with background position, here's a quick example, though it does get a little confusing if you also start using background-size. It's probably easier if you define a size on your SVG image:

<svg version="1.1" 
     xmlns:svg="http://www.w3.org/2000/svg"
     xmlns="http://www.w3.org/2000/svg"
     width="320"
     height="240"
     viewBox="0 0 320 240">

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One approach I’ve tried that isn’t spriting, but achieves similar aims, is to include url-encoded SVG images directly in the CSS file, using data URIs.

E.g.

background-image: url(data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%0A%20%20%3Crect%20fill%3D%22%23CCD%22%20%20width%3D%22100%25%22%20height%3D%22100%25%22%2F%3E%0A%20%20%3Crect%20fill%3D%22%23039%22%20width%3D%22100%25%22%20height%3D%22100%25%22%20rx%3D%221em%22%2F%3E%0A%3C%2Fsvg%3E);

(See http://intertwingly.net/blog/2008/09/07/SVG-via-CSS)

So, all your SVG images end up in the CSS file. Gzipping should squish multiple SVG files in one CSS file quite nicely.

As far as I can tell, the CSS above works in Opera 9.5+, IE 9 beta, Safari 5, and Chrome 6. Doesn’t seem to work in Firefox as of 3.6, or earlier versions of the other browsers.

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You can use SVG Stacks:

http://simurai.com/post/20251013889/svg-stacks

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SVG isn't even technically supported by W3C standards. It won't even work in IE without a plugin. Maybe you'll find some obscure Mozilla plugin that lets you do that but as far as I know your code won't validate.