canvas一周一练 -- canvas绘制立体文字（2）
运行效果：
<!DOCTYPE html>
<html>
<head>
</head>
<body>
<canvas id="drawing" width="800" height="600">A drawing of someing!</canvas>
<script type="text/javascript">
var drawing = document.getElementById('drawing');
if(drawing.getContext) {
//绘制立体文字
var context = drawing.getContext('2d');
context.fillStyle = 'Purple';
context.textAlign = 'center';
context.textBaseline = 'middle';
context.font = 'bold 100px Arial';
context.fillText('莫', 290, 90);
context.globalAlpha = 0.7;
context.font = 'bold 80px Arial';
context.fillText('欺', 380, 90);
context.globalAlpha = 0.6;
context.font = 'bold 70px Arial';
context.fillText('欺', 205, 90);
context.globalAlpha = 0.6;
context.font = 'bold 60px Arial';
context.fillText('少', 450, 90);
context.globalAlpha = 0.5;
context.font = 'bold 60px Arial';
context.fillText('少', 140, 90);
context.globalAlpha = 0.5;
context.font = 'bold 40px Arial';
context.fillText('年', 500, 90);
context.globalAlpha = 0.4;
context.font = 'bold 40px Arial';
context.fillText('年', 95, 90);
context.globalAlpha = 0.4;
context.font = 'bold 20px Arial';
context.fillText('穷', 530, 90);
context.globalAlpha = 0.3;
context.font = 'bold 20px Arial';
context.fillText('穷', 65, 90);
context.globalAlpha = 0.3;
}
</script>
</body>
</html>
