clip_test2.html
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<!DOCTYPE html>
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<html>
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<body>
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<canvas id="workArea" width="1400" height="600" style="border:1px solid #000000;"></canvas> |
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<script>
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var c = document.getElementById("workArea");
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var ctx = c.getContext("2d");
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ctx.rect(0, 0, 200, 200);
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ctx.clip();
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ctx.rect(0, 0, 200, 200);
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ctx.stroke();
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var id = ctx.createImageData(1,1);
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var d = id.data;
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d[0] = 0;
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d[1] = 150;
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d[2] = 150;
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d[3] = 150;
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for (var x = 0; x < 1000; x++)
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{
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ctx.putImageData( id, x, 10 );
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}
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ctx.fillRect(100,100,400,400);
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</script>
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</body>
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</html>
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