mirror of
https://github.com/LadybirdBrowser/ladybird
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23 lines
744 B
HTML
23 lines
744 B
HTML
<!DOCTYPE html>
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<canvas id="canvas" width="100" height="50">
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<p class="fallback">FAIL (fallback content)</p>
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</canvas>
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<script id='myWorker' type='text/worker'>
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self.onmessage = function(e) {
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const canvas = new OffscreenCanvas(100, 50);
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const ctx = canvas.getContext('2d');
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const bitmap = canvas.transferToImageBitmap();
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self.postMessage(bitmap, bitmap);
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};
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</script>
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<script>
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const blob = new Blob([document.getElementById('myWorker').textContent]);
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const worker = new Worker(URL.createObjectURL(blob));
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worker.addEventListener('message', msg => {
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const outputCtx = document.getElementById("canvas").getContext('2d');
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outputCtx.drawImage(msg.data, 0, 0);
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});
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worker.postMessage(null);
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</script>
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</html>
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