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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
<!-- BEGIN META TAG INFO -->
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
<link rel="find" href="http://developer.apple.com/search/">
<link rel="stylesheet" type="text/css" href="../../documentation/css/adcstyle.css" title="fonts">
<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
<!-- END META TAG INFO -->
<!-- BEGIN TITLE -->
<title>NSGLImage</title>
<!-- END TITLE -->
<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
<!-- BEGIN BODY OPEN -->
<body><a name="//apple_ref/doc/uid/DTS10003451" title="NSGLImage"></a>
<!--END BODY OPEN -->
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<center>
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<td><img width="340" height="10" src="images/1dot.gif" alt=""></td>
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<tr valign="middle">
<td align="left" colspan="2">
<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Cocoa/index.html">Cocoa</a> > <a href="../../samplecode/Cocoa/idxGames-date.html">Games</a> >
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<div style="width:100%; position:fixed;"><div align="center" id="watermark" style="position: relative; margin-left:auto; margin-right:auto; z-index:20; width:500px;"><div class="legacybox"><h1>Not Recommended Document<span class=closebutton><a href="javascript:closeWatermark()"><img src="../../images/closebutton.png" width="14" height="14" border="0" alt="close button"></a></span></h1>
<p><strong>Important: </strong>The information in this document is <strong>Not Recommended</strong> and should not be used for new development.</p>
<div class="reflibtopic">
<p>Current information on this Reference Library topic can be found here:</p>
<ul>
<li><a href="http://developer.apple.com/referencelibrary/Cocoa/idxGames-date.html" target="_blank">Cocoa > Games</a></li>
</ul>
</div>
</div></div></div>
<!-- START MAIN CONTENT -->
<!-- START TITLE GRAPHIC AND INTRO-->
<table width="680" border="0" cellpadding="0" cellspacing="0">
<tr align="left" valign="top">
<td><h1><div id="pagehead">NSGLImage</div></h1></td>
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<td id="scdetails">
<p><strong>Version:</strong> 1.1</p>
<p><strong>Posted:</strong> 2004-12-01</p>
<p><strong>Build Requirements:</strong> Xcode 1.5 or later</p>
<p><strong>Runtime Requirements:</strong> Mac OS X 10.3 or later</p>
<form name="scpopupmenu" onSubmit="return false;" method=post>
<p><strong>View Source Code:</strong>
<select name="gotop" onChange="JumpToNewPage();" style="width:340px"><option selected value="ingnore">Select File</option>
<option value="listing1.html">/BasicOpenGLView.h</option>
<option value="listing2.html">/BasicOpenGLView.m</option>
<option value="listing3.html">/GLImage.h</option>
<option value="listing4.html">/GLImage.m</option>
<option value="listing5.html">/GLString.h</option>
<option value="listing6.html">/GLString.m</option>
<option value="listing7.html">/main.m</option>
<option value="listing8.html">/NSGLWindow_Prefix.h</option>
<option value="listing9.html">/ReadMe.txt</option>
<option value="listing10.html">/trackball.c</option>
<option value="listing11.html">/trackball.h</option></select>
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<p><strong><a href="NSGLImage.zip">Download Sample</a></strong> (“NSGLImage.zip”, 116.4K)<BR>
<strong><a href="NSGLImage.dmg">Download Sample</a></strong> (“NSGLImage.dmg”, 172.6K)</p>
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<td scope="row">
<h2>Description</h2>
<p>This sample demonstrates how to use an NSImage and NSBitmapImageRep to get texture data into OpenGL. It will display an image on a polygon that is scaled to the appropriate dimensions for that texture. Help information is available on the primary display. This is essentially the Cocoa OpenGL Window sample with an added class for drawing the NSBitmapImageRep in OpenGL. A few changes have been made to the BasicOpenGLView class to allow it to use the GLImage class (contained in the file(s) GLImage.h/.m). Mouse tracking and clicking behavior was also changed from the default implementation to be more useful with flat, 2D polygon. </p><p>To see the changes, simply search the project for the string 'GLImage:'. Note that the help string changes and such are NOT labeled as per the following. This applies only to changes to the view class that allow for the operation of the sample.</p>
<h2>Document Revision History</h2>
<table cellspacing="0" class="graybox" width="680">
<tr>
<th width="100">Date</th>
<th width="580">Notes</th>
</tr>
<tr><td scope="row">2004-12-01</td><td>Minor changes and updates. Removed an erroneous section of the help string (the part about 'c' for capabilities), rebuilt the packaged executable and cleaned some comments out of the source files. </td></tr>
<tr><td scope="row">2004-11-17</td><td>Demonstrates how to texture in OpenGL with an NSImage and/or NSBitmapImageRep</td></tr>
</table>
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<th>Did this document help you?</th>
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/NSGLImage/index.html%3Fid%3DDTS10003451-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=2&url=/samplecode/NSGLImage/index.html%3Fid%3DDTS10003451-1.0&media=dvd" target=_new>It’s good, but:</a> Report typos, inaccuracies, and so forth.</div>
<div><a href="http://developer.apple.com/feedback/?v=3&url=/samplecode/NSGLImage/index.html%3Fid%3DDTS10003451-1.0&media=dvd" target=_new>It wasn’t helpful</a>: Tell us what would have helped.</div>
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