mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
42 lines
1.2 KiB
HTML
42 lines
1.2 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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</head>
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<body>
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<script type="text/javascript">
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var testFont = '40px sans-serif';
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function test(x, y, text, style, rotation) {
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var canvas = document.createElement("canvas");
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canvas.width = 400;
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canvas.height = 400;
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canvas.style.cssText = 'position:absolute;' + style;
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document.getElementsByTagName('body')[0].appendChild(canvas);
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var ctx = canvas.getContext('2d');
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ctx.globalAlpha = 0.5;
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ctx.beginPath();
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ctx.moveTo(x - 20, y); ctx.lineTo(x + 20, y);
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ctx.moveTo(x, y - 20); ctx.lineTo(x, y + 20);
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ctx.stroke();
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ctx.globalAlpha = 1.0;
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ctx.font = testFont;
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if (rotation != 0) {
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ctx.translate(x,y);
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ctx.rotate(rotation);
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ctx.translate(-x,-y);
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}
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ctx.fillText(text, x, y);
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}
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// Testcase: vertical text with orientation:sideways-right
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// test(100, 50, 'Hello', 'writing-mode:vertical-lr;text-orientation:sideways-right', 0);
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// Reference: horizontal text with 90° rotation
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// test(100, 50, 'Hello', 'writing-mode:horizontal-tb', Math.PI/2);
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// Non-reference: vertical text with orientation:mixed
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test(100, 50, 'Hello', 'writing-mode:vertical-lr;text-orientation:mixed', 0);
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</script>
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