зеркало из https://github.com/mozilla/gecko-dev.git
37 строки
752 B
HTML
37 строки
752 B
HTML
<!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 ctx = document.getElementById('c').getContext('2d');
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ctx.beginPath();
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ctx.arc(75, 75, 74, 0, 2 * Math.PI);
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ctx.closePath();
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ctx.fill();
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ctx.globalCompositeOperation = 'destination-out';
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ctx.shadowColor = 'rgba(0, 0, 0, 0.8)';
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ctx.shadowBlur = 3;
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ctx.beginPath();
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ctx.arc(75, 75, 40, 0, 2 * Math.PI);
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ctx.closePath();
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ctx.fill();
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ctx.shadowBlur = 0;
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ctx.globalCompositeOperation = 'source-over';
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ctx.lineWidth = 10;
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ctx.strokeStyle = 'green';
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ctx.beginPath();
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ctx.arc(75, 75, 40, 0, 2 * Math.PI);
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ctx.closePath();
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ctx.stroke();
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}
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</script>
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</head>
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<body onload='draw()' style='background: white;'>
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<canvas id='c' width='200' height='200'></canvas>
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</body>
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</html>
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