| 属性名 | 内 容 |
|---|---|
| x | 調査X座標 |
| y | 調査Y座標 |
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Sample</title>
<script>
window.onload = function(){
var canvasObj = document.getElementById("imgCanvas");
var context = canvasObj.getContext("2d");
context.strokeStyle = "rgba(255,0,0,1)";
context.rect(50,50, 100, 100);
context.stroke();
var flag1 = context.isPointInPath(0,0);
var flag2 = context.isPointInPath(60,60);
var ele = document.getElementById("result");
ele.innerHTML = "座標(0,0)の結果："+flag1+"<br>座標(60,60)の結果："+flag2;
}
</script>
</head>
<body>
<h1>Sample</h1>
<canvas id="imgCanvas" width="320" height="240" style="border:1px black solid"></canvas>
<div id="result"></div>
</body>
</html>