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graphic-canvas-ie-testcases-quadraticcurve.htm / htm



  <!DOCTYPE html>
  <html>
  <head>
  <title>Quadratic Curve Test</title>
  <style>
  
  body {
    text-align: center
  }
  
  </style>
  <!--[if IE]><script type="text/javascript" src="graphic-canvas-ie-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>
  


(C) Æliens 20/2/2008

You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.