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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<html class="reftest-wait">
<link rel="match" href="2d.layer.global-states.blending.shadow-expected.html">
<title>Canvas test: 2d.layer.global-states.blending.shadow</title>
<h1>2d.layer.global-states.blending.shadow</h1>
<p class="desc">Checks that layers correctly use global render states.</p>
<canvas id="canvas" width="200" height="200">
<p class="fallback">FAIL (fallback content)</p>
</canvas>
<script id='myWorker' type='text/worker'>
self.onmessage = function(e) {
const canvas = new OffscreenCanvas(200, 200);
const ctx = canvas.getContext('2d');
ctx.fillStyle = 'rgba(0, 0, 255, 1)';
var circle = new Path2D();
circle.arc(90, 90, 45, 0, 2 * Math.PI);
ctx.fill(circle);
ctx.globalCompositeOperation = 'multiply';
ctx.shadowOffsetX = -10;
ctx.shadowOffsetY = 10;
ctx.shadowColor = 'rgba(255, 165, 0, 0.5)';
ctx.shadowBlur = 3;
ctx.beginLayer();
// Enable compositing in the layer to validate that draw calls in the layer
// won't individually composite with the background.
ctx.globalCompositeOperation = 'screen';
ctx.fillStyle = 'rgba(225, 0, 0, 1)';
ctx.fillRect(50, 50, 75, 50);
ctx.fillStyle = 'rgba(0, 255, 0, 1)';
ctx.fillRect(70, 70, 75, 50);
ctx.endLayer();
const bitmap = canvas.transferToImageBitmap();
self.postMessage(bitmap, bitmap);
};
</script>
<script>
const blob = new Blob([document.getElementById('myWorker').textContent]);
const worker = new Worker(URL.createObjectURL(blob));
worker.addEventListener('message', msg => {
const outputCtx = document.getElementById("canvas").getContext('2d');
outputCtx.drawImage(msg.data, 0, 0);
document.documentElement.classList.remove("reftest-wait");
});
worker.postMessage(null);
</script>
</html>