HEX

File: //usr/share/doc/libjs-excanvas/examples/testcases/saverestorepath.html
<!DOCTYPE html>
<html>
<head>
<title>Save/restore 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.save();
  ctx.lineTo(100, 50);
  ctx.restore();

  ctx.save();
  ctx.lineTo(50, 0);
  ctx.restore();

  ctx.save();
  ctx.lineTo(0, 50);
  ctx.restore();

  ctx.stroke();
};

</script>
</head>
<body>

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

<p>This tests ensures that save/restore does not do anything to the current
path. You should see a diamond shape above.</p>

</body>
</html>