public/javascripts/jquery-ui/development-bundle/demos/resizable/aspect-ratio.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI Resizable - Preserve aspect ratio</title>
<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
<script src="../../jquery-1.7.2.js"></script>
<script src="../../ui/jquery.ui.core.js"></script>
<script src="../../ui/jquery.ui.widget.js"></script>
<script src="../../ui/jquery.ui.mouse.js"></script>
<script src="../../ui/jquery.ui.resizable.js"></script>
<link rel="stylesheet" href="../demos.css">
<style>
#resizable { width: 160px; height: 90px; padding: 0.5em; }
#resizable h3 { text-align: center; margin: 0; }
</style>
<script>
$(function() {
$( "#resizable" ).resizable({
aspectRatio: 16 / 9
});
});
</script>
</head>
<body>
<div class="demo">
<div id="resizable" class="ui-widget-content">
<h3 class="ui-widget-header">Preserve aspect ratio</h3>
</div>
</div><!-- End demo -->
<div class="demo-description">
<p>Maintain the existing aspect ratio or set a new one to constrain the proportions on resize. Set the <code>aspectRatio</code> option to true, and optionally pass in a new ratio (i.e., 4/3)</p>
</div><!-- End demo-description -->
</body>
</html>