代码：
<!DOCTYPE html>
<html lang="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<head>
<title>加拿大枫叶旗</title>
</head>
<body onload="draw()">
<canvas id="myCanvus" width="496px" height="249px" style="border:1px dashed black;">
出现文字表示你的浏览器不支持HTML5
</canvas>
</body>
</html>
<script type="text/javascript">
<!--
function draw(){
var canvas=document.getElementById("myCanvus");
var canvasWidth=496;
var canvasHeight=249;
var context=canvas.getContext("2d");
context.fillStyle = "white";
context.fillRect(0, 0, canvasWidth, canvasHeight);
// 先画边上红色方块
context.fillStyle = "rgb(218,37,29)";
context.fillRect(0, 0, 124, 249);
context.fillRect(372, 0, 124, 249);
// 绘制枫叶
var img=new Image();
img.src=‘fy.gif‘;
context.save();
img.onload=function(){
var pattern=context.createPattern(img,‘no-repeat‘);
context.fillStyle=pattern;
context.translate(124,0);
context.fillRect(0,0,248,249);
}
context.restore();
}
function getRad(degree){
return degree/180*Math.PI;
}
//-->
</script>
代码及图片下载：https://files.cnblogs.com/files/xiandedanteng/canadaFlag.rar
时间： 2024-10-12 20:50:58