</canvas>
</div>
<script>
window.onload = function(){
var canvas = document.getElementById("canvas");
canvas.width = 800;
canvas.height = 600;
var context = canvas.getContext("2d");
context.fillStyle = "#FFF";
context.fillRect(0,0,800,600);
var img = new Image();
img.src = "./images/20-1.jpg";
img.onload = function(){
context.drawImage(img,200,50);
}
};
</script>
</body>
</html>
运行结果：
创建相框：
这里，我们结合clip()和drawImage()以及三次贝塞尔曲线bezierCurveTo()，来为上面一个案例，加上一个心形的相框~
JavaScript Code复制内容到剪贴板
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>绘制心形相框</title>
<style>
body { background: url("./images/bg3.jpg") repeat; }
#canvas { border: 1px solid #aaaaaa; display: block; margin: 50px auto; }
</style>
</head>
<body>
<div id="canvas-warp">
<canvas id="canvas">
你的浏览器居然不支持Canvas？！赶快换一个吧！！
