Raphael学习笔记(4)--绘图(路径【贝塞尔曲线】)
其它的什么都不说了,直接上代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript" src="js/raphael.js"></script>
<script type="text/javascript" src="js/jquery-1.7.2.js"></script>
<style type="text/css">
.wraper {
position: relative;
float: left;
width: 400px;
height: 400px;
margin-left: 10px;
margin-top: 10px;
border: 1px solid orange;
}
</style>
<script type="text/javascript">
$(document).ready(function(){
var raphael_2 = new Raphael('raphael_2',400,400);
//绘制曲线的起止点和控制点
//绘制2次贝赛尔曲线
raphael_2.path('M20,120 L100,10 L180,90');
raphael_2.path('M20,120 Q100,10 180,90').attr('stroke','red');
//绘制曲线的起止点和控制点
//绘制2次贝赛尔曲线(第一个是正常绘制,第二个光滑连接)
raphael_2.path('M20,370 L120,160 L200,220 L280,280 L380,70');
raphael_2.path('M20,370 Q120,160 200,220 T380,70').attr('stroke','red');
var raphael_3 = new Raphael('raphael_3',400,400);
//绘制曲线的起止点和控制点
//绘制3次贝赛尔曲线
raphael_3.path('M20,20 L50,80 L150,160 L180,40');
raphael_3.path('M20,20 C50,80 150,160 180,40').attr('stroke','red');
//绘制曲线的起止点和控制点
//绘制3次贝赛尔曲线
raphael_3.path('M240,180 L200,100 L380,20 L350,160');
raphael_3.path('M240,180 C200,100 380,20 350,160').attr('stroke','red');
//绘制曲线的起止点和控制点
//绘制3次贝赛尔曲线(第一个是正常绘制,第二个光滑连接)
raphael_3.path('M20,370 L40,270 L100,220 L180,280 L260,340 L320,290 L340,190');
raphael_3.path('M20,370 C40,270 100,220 180,280 S320,290 340,190').attr('stroke','red');
});
</script>
</head>
<body>
<div id="raphael_2" class="wraper"></div>
<div id="raphael_3" class="wraper"></div>
<br/>
</body>
</html>
2次贝塞尔的效果
3次贝塞尔的效果