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