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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.filter.layers.componentTransfer.identity-expected.html">
<title>Canvas test: 2d.filter.layers.componentTransfer.identity</title>
<h1>2d.filter.layers.componentTransfer.identity</h1>
<p class="desc">Test pixels on CanvasFilter() componentTransfer with identity type</p>
<canvas id="canvas" width="100" height="100">
<p class="fallback">FAIL (fallback content)</p>
</canvas>
<script id='myWorker' type='text/worker'>
self.onmessage = function(e) {
const canvas = new OffscreenCanvas(100, 100);
const ctx = canvas.getContext('2d');
ctx.beginLayer({filter: {name: 'componentTransfer',
funcR: {type: 'identity'},
funcG: {type: 'identity'},
funcB: {type: 'identity'},
}});
const inputColors = [
[255, 255, 255],
[0, 0, 0],
[127, 0, 34],
[252, 186, 3],
[50, 68, 87],
];
for (let i = 0 ; i < inputColors.length ; ++i) {
const color = inputColors[i];
ctx.fillStyle = `rgb(${color[0]}, ${color[1]}, ${color[2]})`;
ctx.fillRect(i * 10, i * 10, 10, 10);
}
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>
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