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jtopo特殊虚线.html
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jtopo特殊虚线.html
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<!DOCTYPE html >
<html>
<head>
<meta charset="utf-8">
<title>JTOPO特殊虚线(由圆点构成，并且圆点有箭头可动)</title>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js" type="text/javascript"></script>
<script src="jtp/jtopo-0.4.8-min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
CanvasRenderingContext2D.prototype.JtopoDrawPointCircle=function(a,b,c,d,e,f,g){
this.strokeStyle=e;
this.fillStyle=f;
var animespeed=(new Date())/50;
var xs=c- a,
xy=d- b,
l = Math.floor(Math.sqrt(xs * xs + xy * xy)),
j=l;
xl=xs/ l,
yl=xy/l;
var colorpoint=parseInt(animespeed%l);
r=5;
for(var i=0;i<j;i=i+r*3){
if(colorpoint>i-r*2 && colorpoint<=i+r ){
this.translate(a+i*xl,b+i*yl)
this.rotate((Math.atan(xy/xs)));
this.drawImage(g,-8,-8,16,16)
this.rotate(-(Math.atan(xy/xs)));
this.translate(-a-i*xl,-b-i*yl);
// this.drawImage(img,a+i*xl,b+i*yl,r,0,2*Math.PI,10,10);
}else{
this.beginPath();
this.arc(a+i*xl,b+i*yl,r,0,2*Math.PI);
this.fill();
this.stroke();
}
}
};
var canvas = document.getElementById('canvas'); //舞台
var stage = new JTopo.Stage(canvas);//场景
//显示工具
var scene = new JTopo.Scene(stage);
var node = new JTopo.Node("Hello");
node.setLocation(10, 10);
scene.add(node);
var node2 = new JTopo.Node("Hello");
node2.setLocation(400, 200);
scene.add(node2);
var link1=new JTopo.Link(node,node2);
link1.PointCircleColor="rgb(255,255,0)";//圆心
var linkpointimage=new Image();//设置图片
linkpointimage.src="img/testspecialline1.png";
link1.PointAnimeImg=linkpointimage;
link1.strokeColor="255,0,255";//圆边
link1.paintPath = function(a, b) {
if (this.nodeA === this.nodeZ) return void this.paintLoop(a);
a.beginPath();
a.moveTo(b[0].x, b[0].y);
for (var c = 1; c < b.length; c++) {
null == this.dashedPattern ? (
(null==this.PointCircleColor?a.lineTo(b[c].x, b[c].y):a.JtopoDrawPointCircle(b[c - 1].x, b[c - 1].y, b[c].x, b[c].y, a.strokeStyle,this.PointCircleColor,this.PointAnimeImg))
) : a.JTopoDashedLineTo(b[c - 1].x, b[c - 1].y, b[c].x, b[c].y, this.dashedPattern)
};
if (a.stroke(), a.closePath(), null != this.arrowsRadius) {
var d = b[b.length - 2],
e = b[b.length - 1];
this.paintArrow(a, d, e)
}
};
scene.add(link1)
});
</script>
</head>
<body>
<canvas width="800"height="500"id="canvas"style=" background-color:#EEEEEE; border:1px solid #444;">
</canvas>
</body>
</html>