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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/layers/2d.layer.shadow-from-outside-canvas.long-distance.ctx-filter.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<meta charset="UTF-8">
<link rel="match" href="2d.layer.shadow-from-outside-canvas.long-distance.ctx-filter-expected.html">
<title>Canvas test: 2d.layer.shadow-from-outside-canvas.long-distance.ctx-filter</title>
<h1>2d.layer.shadow-from-outside-canvas.long-distance.ctx-filter</h1>
<p class="desc">Checks shadow produced by object drawn outside the canvas</p>
<canvas id="canvas" width="200" height="200">
<p class="fallback">FAIL (fallback content)</p>
</canvas>
<script>
const canvas = new OffscreenCanvas(200, 200);
const ctx = canvas.getContext('2d');
const delta = 10000;
// No clipping.
const dx = -(200 + delta);
const dy = -(200 + delta);
ctx.filter = 'drop-shadow(' + dx + 'px ' + dy + 'px 0px green)';
ctx.beginLayer();
ctx.fillStyle = 'red';
ctx.fillRect(200 + delta, 200 + delta, 100, 100);
ctx.endLayer();
const outputCanvas = document.getElementById("canvas");
outputCanvas.getContext('2d').drawImage(canvas, 0, 0);
</script>