зеркало из https://github.com/mozilla/gecko-dev.git
34 строки
935 B
HTML
34 строки
935 B
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<script>
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function draw() {
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var c = document.getElementById('c').getContext('2d');
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c.fillStyle = 'lime';
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c.fillRect(0, 0, 100, 50);
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var imgdata = c.createImageData(60, 50);
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for (var i = 0; i < imgdata.data.length; i += 4 * 60) {
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for (var x = i; x < i + 4 * 30; x += 4) {
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imgdata.data[x] = 255;
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imgdata.data[x+3] = 255;
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}
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for (var x = i + 4 * 30; x < i + 4 * 60; x += 4) {
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imgdata.data[x+2] = 255;
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imgdata.data[x+3] = 255;
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}
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}
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// Verify that putImageData is not affected by the current transform.
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c.translate(20, 0);
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c.putImageData(imgdata, 40, 0);
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}
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</script>
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</head>
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<body onload="draw();">
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<canvas id='c' width='100' height='50'></canvas>
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</body>
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</html>
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