48 lines
1.2 KiB
HTML
48 lines
1.2 KiB
HTML
<!DOCTYPE html><!-- webkit-test-runner [ CSSPaintingAPIEnabled=true ] -->
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<script src="resources/testharness.js"></script>
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<script>
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function startTest() {
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if (window.testRunner) {
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testRunner.waitUntilDone();
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testRunner.setBackingScaleFactor(2, finishTest);
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}
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}
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function finishTest() {
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setTimeout(function() { testRunner.notifyDone(); }, 0);
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}
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</script>
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<body onload="startTest();">
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<meta name="author" title="Justin Michaud" href="mailto:justin_michaud@webkit.org">
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<meta name="assert" content="test hidpi scaling">
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<link rel="help" content="https://drafts.css-houdini.org/css-paint-api-1/">
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<style>
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#paint {
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background-image: paint(my-paint);
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width: 150px;
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height: 150px;
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}
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</style>
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<div id="paint"></div>
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<script id="code" type="text/worklet">
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registerPaint('my-paint', class {
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paint(ctx, geom, properties) {
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for (var i = 0; i < 6; i++){
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for (var j = 0; j < 6; j++){
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ctx.fillStyle = 'rgb(' + Math.floor(255 - 42.5 * i) + ',' +
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Math.floor(255 - 42.5 * j) + ',0)';
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ctx.fillRect(j * 25, i * 25, 25, 25);
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}
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}
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}
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});
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</script>
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<script>
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importWorklet(CSS.paintWorklet, document.getElementById('code').textContent);
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</script>
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</body>
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