75 lines
1.8 KiB
HTML
75 lines
1.8 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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.container {
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height: 300px;
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width: 400px;
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border: 2px solid black;
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overflow: hidden;
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}
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.box {
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height: 300px;
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width: 2800px;
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border: 1px solid black;
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background-color: gray;
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}
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.composited {
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transform: translateZ(0);
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}
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.masked {
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-webkit-mask-image: url(../resources/alpha-gradient.png);
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-webkit-mask-repeat: repeat-x;
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}
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</style>
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<script>
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if (window.testRunner) {
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testRunner.dumpAsText();
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testRunner.waitUntilDone();
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}
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function getUIScript()
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{
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return `
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(function() {
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uiController.removeViewFromWindow(function() {
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uiController.uiScriptComplete('');
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});
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})();`
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}
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function dumpTiles(outputId)
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{
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if (window.internals)
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document.getElementById(outputId).innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_TILE_CACHES);
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}
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function doTest()
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{
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if (!testRunner.runUIScript)
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return;
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dumpTiles('before-layers');
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testRunner.runUIScript(getUIScript(), function(result) {
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dumpTiles('after-layers');
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if (window.testRunner)
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testRunner.notifyDone();
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});
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}
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window.addEventListener('load', doTest, false);
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</script>
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</head>
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<body>
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<div class="composited container">
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<div class="composited masked box"></div>
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</div>
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<pre id="before-layers">Layer tree goes here</pre>
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<pre id="after-layers">Layer tree goes here</pre>
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</body>
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</html>
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