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https://github.com/Modernizr/Modernizr.git
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08ab91b828
* Move tests with storage tag into that subdirectory * Move tests with canvas tag into that subdirectory * Move tests with image tag into that subdirectory * Fix error * Fix typo * Move audio test into audio subdirectory * Move battery test into that subdirectory * Move canvas test into that subdirectory * Move video test into that subdirectory * Update dependencies * Move form and input tests into input subdirectory * Update dependencies again * Move webgl, svg and event tests into subdirectories * Update README
32 lines
868 B
JavaScript
32 lines
868 B
JavaScript
/*!
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{
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"name": "Emoji",
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"property": "emoji"
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}
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!*/
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/* DOC
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Detects support for emoji character sets.
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*/
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define(['Modernizr', 'createElement', 'test/canvas/text'], function(Modernizr, createElement) {
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Modernizr.addTest('emoji', function() {
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if (!Modernizr.canvastext) {
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return false;
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}
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var node = createElement('canvas');
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var ctx = node.getContext('2d');
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var backingStoreRatio =
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ctx.webkitBackingStorePixelRatio ||
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ctx.mozBackingStorePixelRatio ||
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ctx.msBackingStorePixelRatio ||
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ctx.oBackingStorePixelRatio ||
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ctx.backingStorePixelRatio ||
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1;
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var offset = 12 * backingStoreRatio;
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ctx.fillStyle = '#f00';
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ctx.textBaseline = 'top';
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ctx.font = '32px Arial';
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ctx.fillText('\ud83d\udc28', 0, 0); // U+1F428 KOALA
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return ctx.getImageData(offset, offset, 1, 1).data[0] !== 0;
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});
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});
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