42 lines
1.2 KiB
HTML
42 lines
1.2 KiB
HTML
<html>
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<body>
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This is a test of our ability to convert a canvas to a data url and use it as a cursor. We pass if the cursor animates smoothly and without flickering.<br>
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See https://bugs.webkit.org/show_bug.cgi?id=64321.
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<canvas id="c" width="40" height="40"></canvas>
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<script type="text/javascript">
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var icon = new Image;
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icon.src = 'resources/drag-image.png'
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function drawArrow(angle) {
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var canvas = document.getElementById('c');
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canvas.width = canvas.width // reset canvas
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var ctx = canvas.getContext('2d');
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ctx.translate(ctx.canvas.width / 2, ctx.canvas.height / 2);
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ctx.rotate(angle);
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ctx.drawImage(icon, -icon.width / 2, -icon.height / 2);
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var x = 20;//Math.floor(Math.cos(angle) * icon.width / 2) + icon.width / 2;
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var y = 20;//Math.floor(Math.sin(angle) * icon.width / 2) + icon.width / 2;
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var data = canvas.toDataURL();
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if (data)
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document.body.style.cursor = 'url('+data+') ' + x + ' ' + y + ', pointer';
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else
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console.log('failure');
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}
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(function() {
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var angle = 0;
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var run = function() {
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angle += Math.PI / 16;
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drawArrow(angle);
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setTimeout(run, 100);
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};
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run();
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})();
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drawArrow();
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</script>
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</body>
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</html>
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