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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>
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<!-- BEGIN TITLE -->
<title>NSGLImage - /ReadMe.txt</title>
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<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
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</head>
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<body>
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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> > <A HREF="javascript:location.replace('index.html');">NSGLImage</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>
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<tr align="left" valign="top">
<td><h1><div id="pagehead">NSGLImage</div></h1></td>
</tr>
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<td id="scdetails">
<h2>/ReadMe.txt</h2>
<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>
</p>
</form>
<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>
<!--
<p><strong><a href="#">Download Sample</a></strong> (“filename.sit”, 500K)</p>
-->
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<!--googleon: index -->
<pre class="sourcecodebox">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 NSGLImage 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.
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.
Note that this sample will fail when trying to load an image larger than 2560 x
2560. It does, however, fail somewhat gracefully and informs the user of this
problem.
</pre>
<!--googleoff: index -->
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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/listing9.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/listing9.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/listing9.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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