Mercurial > hg > NetworkVis

<!DOCTYPE html>
<html>
<head>
<title>Clear path 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');

  // Need to test  clearRect, strokeRect, fillRect
  ctx.beginPath();
  ctx.moveTo(0, 50);
  ctx.lineTo(50, 100);

  ctx.strokeRect(100.5, 125.5, 49, 49);

  ctx.lineTo(100, 50);

  ctx.fillRect(50, 125, 50, 50);

  ctx.lineTo(50, 0);

  // clearRect is not correctly implmented in ExCanvas but for this test its
  // current behavior is enough.
  ctx.clearRect(50, 125, 100, 50);

  ctx.lineTo(0, 50);
  ctx.stroke();
};

</script>
</head>
<body>

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

<p>This tests the clearing of the path. You should only see a diamond shape
above.</p>

</body>
</html>
author	casties
date	Fri, 30 Oct 2015 15:37:43 +0100
parents	18ef6948d689
children