Mercurial > hg > NetworkVis

<!DOCTYPE html>
<html>
<head>
<title>Gradient 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');

  var g1 = ctx.createLinearGradient(0, 0, 300, 200);
  g1.addColorStop(0.0, 'rgba(0, 255, 0, 0.0)');
  g1.addColorStop(1.0, 'rgba(0, 255, 0, 1.0)');

  var g2 = ctx.createLinearGradient(0, 0, 300, 200);
  g2.addColorStop(0.0, 'rgba(0, 255, 0, 1.0)');
  // VML Bug
  g2.addColorStop(1.0, 'rgba(0, 0, 0, 0.0)');
  ctx.fillStyle = g1;
  ctx.fillRect(0, 0, 300, 100);
  ctx.fillStyle = g2;
  ctx.fillRect(0, 100, 300, 100);
};

</script>
</head>
<body>

<canvas id=c width=300 height=200></canvas>

<p>This tests gradients</p>

</body>
</html>
author	Dirk Wintergruen <dwinter@mpiwg-berlin.mpg.de>
date	Thu, 01 Oct 2015 17:17:27 +0200
parents
children