зеркало из https://github.com/mozilla/gecko-dev.git
40 строки
1.1 KiB
HTML
40 строки
1.1 KiB
HTML
<!DOCTYPE HTML>
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<title>Canvas test: text.measure</title>
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<script src="/MochiKit/MochiKit.js"></script>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
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<body>
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<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<script>
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var _deferred = false;
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SimpleTest.waitForExplicitFinish();
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MochiKit.DOM.addLoadEvent(function () {
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var canvas = document.getElementById('c');
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var ctx = canvas.getContext('2d');
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ctx.font = "10px sans-serif";
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ctx.textAlign = "left";
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ctx.textBaseline = "top";
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var str = 'Test String';
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var wid = ctx.measureText(str).width;
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ok(wid > 0, "measureText returns nonpositive value for non-empty string");
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ctx.font = "20px sans-serif";
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isnot(wid, ctx.measureText(str).width, "measureText does not change with a different font size");
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ctx.font = "10px sans-serif";
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ctx.textAlign = "center";
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ctx.textBaseline = "alphabetic";
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is(wid, ctx.measureText(str).width, "measureText changes when alignement/baseline is changed");
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if (!_deferred) SimpleTest.finish();
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});
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</script>
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