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<!DOCTYPE html>
<html>
<body>
<canvas id="output" width="100" height="100"></canvas>
<script>
var canvas = document.getElementById('output');
var ctx = canvas.getContext('2d');
ctx.filter = new CanvasFilter([
{filter: "gaussianBlur", stdDeviation: 10},
{filter: "colorMatrix", type: "hueRotate", values: 90}
]);
ctx.fillStyle = "cyan";
ctx.fillRect(40, 0, 70, 70);
ctx.fillStyle = "magenta";
ctx.fillRect(40, 40, 70, 70);
ctx.fillStyle = "yellow";
ctx.fillRect(0, 40, 70, 70);
</script>
</body>
</html>