0
我使用jCanvas在画布上绘制形状。我想要的是当我用drawArc函数悬停在图层上时我收到一条警报消息，并且在使用drawRect方法悬停在图层上时，我得到了不同的警报消息。可以使用jCanvas来完成。在悬停在矩形上也没有任何反应。jCanvas图层事件
PS：KineticJS可以做到！
下面的代码...
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script type="text/javascript" src="../../javascript/jquery-1.7.1.min.js"></script>
<script type="text/javascript" src="../../javascript/jcanvas.min.js"></script>
<script type="text/javascript">
$(document).ready(function(e) {
var canvas = $('#can');
canvas.attr({
width:$(window).innerWidth(),
height:$(window).innerHeight()
});
var width = canvas.innerWidth();
var height = canvas.innerHeight()
var context = canvas.get(0).getContext('2d');
$("canvas").addLayer({
method: "drawRect",
fillStyle: "#36b",
x: 100, y: 100,
width: 80, height: 40
});
$("canvas").addLayer({
method: "drawArc",
fillStyle: "#36b",
x: 20, y: 100,
radius: 20
});
$("canvas").drawLayers();
$(window).mousemove(function(e) {
var x = e.pageX;
var y = e.pageY;
if(context.isPointInPath(x,y))
alert("Found it!");
});
});
</script>
</head>
<body>
<canvas id="can"></canvas>
</body>
</html>