chao
/
mini_cocopi


			
				
					
						
						
							1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980
							<!DOCTYPE HTML>
<html>
<!--
Copyright 2007 The Closure Library Authors. All Rights Reserved.

Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<title>Sub pixel rendering</title>
<script type="text/javascript" src="../../base.js"></script>
<script type="text/javascript">

goog.require('goog.dom');
goog.require('goog.graphics');

</script>
<script type="text/javascript">

function testLineWidth() {
  var graphics = goog.graphics.createGraphics(100, 100);

  // vertical line
  for (var i = 0; i < 100; i++) {
    var stroke = new goog.graphics.Stroke(i / 100, 'black');
    var path = graphics.createPath();
    path.moveTo(49.5, i);
    path.lineTo(49.5, i + 1);
    path.close();
    graphics.drawPath(path, stroke, null);
  }

  // horizontal line
  for (var i = 0; i < 100; i++) {
    var stroke = new goog.graphics.Stroke(i / 100, 'black');
    var path = graphics.createPath();
    path.moveTo(i, 49.5);
    path.lineTo(i + 1, 49.5);
    path.close();
    graphics.drawPath(path, stroke, null);
  }

  graphics.render();
}

function testLinePos() {
  var graphics = goog.graphics.createGraphics(100, 100);
  var stroke = new goog.graphics.Stroke(1, 'black');

  // vertical line
  for (var i = 0; i < 100; i++) {
    var path = graphics.createPath();
    path.moveTo(49 + i / 100, i);
    path.lineTo(49 + i / 100, i + 1);
    path.close();
    graphics.drawPath(path, stroke, null);
  }

  // horizontal line
  for (var i = 0; i < 100; i++) {
    var path = graphics.createPath();
    path.moveTo(i, 49.5 + i / 100);
    path.lineTo(i + 1, 49.5 + i / 100);
    path.close();
    graphics.drawPath(path, stroke, null);
  }

  graphics.render();
}

</script>
</head>
<body>
<script>
testLineWidth();
document.write('<br>');
testLinePos();
</script>
</body>
</html>