Mercurial > hg > NetworkVis

<!DOCTYPE html>
<html>
<head>
<title>Quadratic Curve Test</title>
<style>

body {
  text-align: center
}

</style>
<!--[if IE]><script type="text/javascript" src="../excanvas.js"></script><![endif]-->
<script>

window.onload = function() {
  var ctx = document.getElementById('c').getContext('2d');

  ctx.save();

  ctx.strokeStyle = 'black';
  ctx.lineWidth = 1;
  ctx.beginPath();
  ctx.moveTo(50, 50);
  ctx.quadraticCurveTo(0, 0, 25, 75);
  ctx.quadraticCurveTo(50, 0, 50, 50);
  ctx.stroke();

  ctx.restore();

  // Same with some scaling
  ctx.save();

  ctx.translate(-56, -24);
  ctx.scale(3.5, 1.5);
  ctx.strokeStyle = '#ddd';
  ctx.lineWidth = 1;
  ctx.beginPath();
  ctx.moveTo(50, 50);
  ctx.quadraticCurveTo(0, 0, 25, 75);
  ctx.quadraticCurveTo(50, 0, 50, 50);
  ctx.stroke();

  ctx.restore();
};

</script>
</head>
<body>

<canvas id=c width=200 height=200></canvas>

<p>This tests that drawing quadratic curves work in the same way in different
browsers.</p>

</body>
</html>
author	casties
date	Thu, 04 Feb 2016 17:41:49 +0100
parents	18ef6948d689
children