チャットバブルをベッセル曲線で描画するには
1421 ワード
<!DOCTYPE html>
<html>
<head>
<!--[if IE]>
<script type="text/javascript" src="excanvas.js"></script>
<script type="text/javascript" src="excanvas.compiled.js"></script>
<![endif]-->
<script type="text/javascript">
function draw() {
var canvas = document.getElementById("cv");
if (canvas.getContext) {
var ctx = canvas.getContext("2d");
// Quadratric curves example ctx.beginPath();
ctx.moveTo(75,25);
ctx.quadraticCurveTo(25,25,25,62.5);
ctx.quadraticCurveTo(25,100,50,100);
ctx.quadraticCurveTo(50,120,30,125);
ctx.quadraticCurveTo(60,120,65,100);
ctx.quadraticCurveTo(125,100,125,62.5);
ctx.quadraticCurveTo(125,25,75,25);
ctx.stroke();
}
}
</script>
<title> </title>
</head>
<body onload="draw();" >
<canvas id="cv" width="150" height="150">
</canvas>
</body>
</html>