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69 lines
2.2 KiB
HTML
69 lines
2.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=
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-->
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<head>
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<title>Test for Bug </title>
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<script type="application/javascript" 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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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=">Mozilla Bug </a>
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<canvas id="display" height="200" width="200"></canvas>
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<pre id="test">
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<script type="application/javascript">
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var canvas = document.getElementById("display");
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var cx = canvas.getContext("2d");
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is(cx.font, "10px sans-serif", "initial font of canvas context");
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cx.font = "italic 16px sans-serif";
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is(cx.font, "italic 16px sans-serif", "valid font should round-trip");
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cx.font = "bold 12px serif; background: green";
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is(cx.font, "italic 16px sans-serif", "invalid font should be ignored");
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cx.font = "bold 12px/3.0 serif";
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is(cx.font, "bold 12px serif", "line-height should be dropped");
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cx.font = "inherit";
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is(cx.font, "bold 12px serif", "inherit should be ignored");
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cx.font = "boold 18px sans-serif";
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is(cx.font, "bold 12px serif", "syntax error should be ignored");
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cx.font = "menu";
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todo_is(cx.font, "menu", "system fonts should work");
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function textmeas() {
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return cx.measureText("hello").width;
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}
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cx.font = "66px serif";
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var w_at_66 = textmeas();
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cx.font = "20px serif";
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var w_at_20 = textmeas();
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ok(w_at_66 > w_at_20, "text should be wider at 66px than at 20px");
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canvas.style.fontSize = "33px";
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cx.font = "2em serif";
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is(cx.font, "2em serif", "serialization of em");
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is(textmeas(), w_at_66, "em should be relative to canvas font size");
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canvas.style.fontSize = "16px";
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is(cx.font, "2em serif", "serialization of em");
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is(textmeas(), w_at_66,
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"em should be relative to canvas font size at time of setting");
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document.body.removeChild(canvas);
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is(cx.font, "2em serif", "serialization of em");
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is(textmeas(), w_at_66,
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"em should be relative to canvas font size at time of setting");
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canvas.style.fontSize = "33px";
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cx.font = "2em serif";
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is(cx.font, "2em serif", "serialization of em");
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is(textmeas(), w_at_20,
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"em should be relative to 10px when canvas not in document");
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document.body.appendChild(canvas);
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</script>
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</pre>
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</body>
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</html>
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