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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-paint-api/paint-function-this-value.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>Paint callback is invoked with `this` value of `paintInstance`</title>
<link rel="match" href="parse-input-arguments-ref.html">
<style>
.container {
width: 100px;
height: 100px;
}
#canvas-geometry {
background-image: paint(geometry);
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>
<body>
<div id="canvas-geometry" class="container"></div>
<script id="code" type="text/worklet">
let paintInstance;
registerPaint('geometry', class {
constructor() {
paintInstance = this;
}
paint(ctx, geom) {
if (this === paintInstance)
ctx.fillStyle = 'green';
else
ctx.fillStyle = 'red';
ctx.fillRect(0, 0, geom.width, geom.height);
}
});
</script>
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.paintWorklet, document.getElementById('code').textContent);
</script>
</body>
</html>