您的位置：首页 > Web前端 > HTML

canvas-2drawRectFun.html

2015-11-19 17:27 423 查看

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<canvas id="canvas" style="margin:0 auto;">
The current browser does not support Canvas, can replace the browser a try!
</canvas>

<script>

// 绘制矩形
function drawRect(ctx,x,y,width,height,borderWidth,borderColor,fillColor){
ctx.beginPath();
ctx.moveTo(x,y);
ctx.lineTo(x+width,y);
ctx.lineTo(x+width,y+height);
ctx.lineTo(x,y+height);
ctx.closePath();

ctx.lineWidth = borderWidth;
ctx.strokeStyle = borderColor;
ctx.fillStyle = fillColor;

ctx.fill();
ctx.stroke();
}

window.onload = function(){
var canvas = document.getElementById('canvas');

canvas.width = 1024;
canvas.height = 768;

if(canvas.getContext('2d')){
var context = canvas.getContext('2d');

drawRect(context,100,100,400,400,10,"blue","yellow")

}else{
alert('当前游览器不支持Canvas，请更换游览器后再试！');
}
}
</script>
</body>
</html>

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签：

相关文章推荐

新的分享

章节导航