HTML5标签:使用canvas元素在网页上绘制线条和圆(1)

时间:2023-12-06 10:23:56

什么是 Canvas?

HTML5 的 canvas 元素使用 JavaScript 在网页上绘制图像。

画布是一个矩形区域,您可以控制其每一像素。

canvas 拥有多种绘制路径、矩形、圆形、字符以及添加图像的方法。

创建 Canvas 元素

向 HTML5 页面添加 canvas 元素。

规定元素的 id、宽度和高度:

 <canvas id="myCanvas" width="200" height="100"></canvas>

通过 JavaScript 来绘制

canvas 元素本身是没有绘图能力的。所有的绘制工作必须在 JavaScript 内部完成:

 <script type="text/javascript">
var c=document.getElementById("myCanvas");//得到<canvas>标签里id
var cxt=c.getContext("2d");//创建 context 对象
cxt.fillStyle="#FF0000";//给图形加颜色
cxt.fillRect(0,0,150,75);//图形大小,在画布上绘制 150x75 的矩形,从左上角开始 (0,0)。
</script>

例子:如下图所示,画布的 X 和 Y 坐标用于在画布上对绘画进行定位。

aaarticlea/png;base64,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" alt="" />

 <!DOCTYPE HTML>
<html>
<head>
<style type="text/css">
body
{
font-size:70%;
font-family:verdana,helvetica,arial,sans-serif;
}
</style>
<script type="text/javascript">
function cnvs_getCoordinates(e)
{
x=e.clientX;
y=e.clientY;
document.getElementById("xycoordinates").innerHTML="Coordinates: (" + x + "," + y + ")";
} function cnvs_clearCoordinates()
{
document.getElementById("xycoordinates").innerHTML="";
}
</script>
</head>
<body style="margin:0px;">
<p>把鼠标悬停在下面的矩形上可以看到坐标:</p>
<div id="coordiv" style="float:left;width:199px;height:99px;border:1px solid #c3c3c3" onmousemove="cnvs_getCoordinates(event)" onmouseout="cnvs_clearCoordinates()"></div>
<br />
<br />
<br />
<div id="xycoordinates"></div>
</body>
</html>

aaarticlea/png;base64,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" alt="" />

实例-线条

 <!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>通过指定从何处开始,在何处结束,来绘制一条线</title> </head>
<body>
<canvas id="myCanvas" width="200" height="100" style="border:1px solid #000000;">
你的浏览器不支持canvas!
</canvas>
<script type="text/javascript">
var c=document.getElementById("myCanvas");
var cxt=c.getContext("2d");//2d勾起了大家的无限遐想,但是很遗憾的告诉你html5还只是个少女,不提供3d服务。
cxt.moveTo(10, 10);//开始起点
cxt.lineTo(150, 50);//画布中第二个点
cxt.lineTo(10,50);//画布中第二个点到这个点的线
cxt.lineTo(10, 100);//最后垂直线
cxt.stroke();//stroke() 方法会实际地绘制出通过 moveTo() 和 lineTo() 方法定义的路径。默认颜色是黑色。
</script>
</body>
</html>

aaarticlea/png;base64,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" alt="" />

其实,canvas也可以画圆:

 <!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>圆</title> </head>
<body>
<canvas id="myCanvas" width="200" height="100" style="border:1px solid #000000;">
你的浏览器不支持canvas!
</canvas>
<script type="text/javascript">
var c=document.getElementById("myCanvas");
var cxt=c.getContext("2d");
cxt.fillStyle="pink";//填充样式
cxt.beginPath();
cxt.arc(70, 50, 35, 0, Math.PI*2, true);
cxt.closePath();//将路径闭合
cxt.fill();//fill() 方法填充当前的图像(路径)。默认颜色是黑色。这个例子是粉色.
</script>
</body>
</html>

圆弧context.arc(x, y, radius, starAngle,endAngle, anticlockwise);
     x:圆心x坐标.y:圆心y坐标.straAngle:开始角度.endAngle:结束角度
     anticlockwise:是否逆时针(true)为逆时针,(false)为顺时针
     ps:经过试验证明书本上ture是顺时针,false是逆时针是错误的,
     而且无论是逆时针还是顺时针,角度都沿着顺时针扩大.

先看这张图:

aaarticlea/png;base64,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" alt="" />

圆的效果如下:

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