reftest_worker.html

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<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<meta charset="UTF-8">

<html class="reftest-wait">

<link rel="match" href="{{ reference_file }}">

{% if fuzzy %}<meta name=fuzzy content="{{ fuzzy }}">

{% endif %}

{% if timeout %}<meta name="timeout" content="{{ timeout }}">

{% endif %}

<title>Canvas test: {{ name }}</title>

<h1>{{ name }}</h1>

<p class="desc">{{ desc }}</p>

{% if notes %}<p class="notes">{{ notes }}{% endif %}

<canvas id="canvas" width="{{ size[0] }}" height="{{ size[1] }}"{{ canvas }}>

  <p class="fallback">FAIL (fallback content)</p>

</canvas>

<script id='myWorker' type='text/worker'>

  self.onmessage = {% if test_type == 'promise' %}async {% endif %}function(e) {

    const canvas = new OffscreenCanvas({{ size[0] }}, {{ size[1] }});

    const ctx = canvas.getContext('2d'{% if attributes %}, {{ attributes }}{% endif %});

    {{ code_worker | trim | indent(4) }}

    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'{% if attributes %}, {{ attributes }}{% endif %});

    outputCtx.drawImage(msg.data, 0, 0);

    document.documentElement.classList.remove("reftest-wait");

});

  worker.postMessage(null);

</script>

</html>