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Canvas 阴影效果

2015-07-24 11:00 295 查看
shadow

<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<title>shadow</title>
</head>

<body>
<canvas id='myCanvas' width='800' height='600'>
your browser does not support canvas
</canvas>
<script type="text/javascript">
var c = document.getElementById('myCanvas');
var ctx = c.getContext('2d');
ctx.shadowColor = '#ff0000';
ctx.shadowBlur = 10;
ctx.shadowOffsetX = 20;
ctx.shadowOffsetY = 30;
var img = new Image();
img.src = 'face.jpg';
img.onload = function() {
ctx.drawImage(img, 0, 0);
};
</script>
</body>

</html>
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