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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>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="home" href="http://developer.apple.com/">
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<script language="JavaScript" src="../../documentation/js/adc.js" type="text/javascript"></script>
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<title>CALayerEssentials - /ExampleCALayerDelegate.h</title>
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<script language="JavaScript">
function JumpToNewPage() {
window.location=document.scpopupmenu.gotop.value;
return true;
}
</script>
</head>
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<body>
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<center>
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<table width="680" border="0" cellpadding="0" cellspacing="0">
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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#//apple_ref/doc/uid/TP30000943" target="_top">Reference Library</a> > <a href="../index.html#//apple_ref/doc/uid/TP30000925" target="_top">Sample Code</a> > <a href="../GraphicsImaging/index.html#//apple_ref/doc/uid/TP30000925-TP30000424" target="_top">Graphics & Imaging</a> > <a href="../GraphicsImaging/idxQuartz-date.html#//apple_ref/doc/uid/TP30000925-TP30000424-TP30000559">Quartz</a> > <A HREF="javascript:location.replace('index.html');">CALayerEssentials</A> >
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<table width="680" border="0" cellpadding="0" cellspacing="0">
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<td><h1><div id="pagehead">CALayerEssentials</div></h1></td>
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<td id="scdetails">
<h2>/ExampleCALayerDelegate.h</h2>
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<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">/AppController.h</option>
<option value="listing2.html">/AppController.m</option>
<option value="listing3.html">/ExampleCALayerDelegate.h</option>
<option value="listing4.html">/ExampleCALayerDelegate.m</option>
<option value="listing5.html">/ExampleCAOpenGLLayer.h</option>
<option value="listing6.html">/ExampleCAOpenGLLayer.m</option>
<option value="listing7.html">/ExampleCATiledLayerDelegate.h</option>
<option value="listing8.html">/ExampleCATiledLayerDelegate.m</option>
<option value="listing9.html">/main.m</option>
<option value="listing10.html">/Readme.txt</option></select>
</p>
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<p><strong><a href="CALayerEssentials.zip">Download Sample</a></strong> (“CALayerEssentials.zip”, 312.3K)<BR>
<strong><a href="CALayerEssentials.dmg">Download Sample</a></strong> (“CALayerEssentials.dmg”, 320.0K)</p>
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<td scope="row">
<!--googleon: index -->
<pre class="sourcecodebox">//
// File: ExampleCALayerDelegate.h
//
// Abstract: A sample delegate for a CALayer that draws random content into the layer.
//
// Version: 1.0
//
// Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Inc. ("Apple")
// in consideration of your agreement to the following terms, and your use,
// installation, modification or redistribution of this Apple software
// constitutes acceptance of these terms. If you do not agree with these
// terms, please do not use, install, modify or redistribute this Apple
// software.
//
// In consideration of your agreement to abide by the following terms, and
// subject to these terms, Apple grants you a personal, non - exclusive
// license, under Apple's copyrights in this original Apple software ( the
// "Apple Software" ), to use, reproduce, modify and redistribute the Apple
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// provided that if you redistribute the Apple Software in its entirety and
// without modifications, you must retain this notice and the following text
// and disclaimers in all such redistributions of the Apple Software. Neither
// the name, trademarks, service marks or logos of Apple Inc. may be used to
// endorse or promote products derived from the Apple Software without specific
// prior written permission from Apple. Except as expressly stated in this
// notice, no other rights or licenses, express or implied, are granted by
// Apple herein, including but not limited to any patent rights that may be
// infringed by your derivative works or by other works in which the Apple
// Software may be incorporated.
//
// The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
// WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
// WARRANTIES OF NON - INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION
// ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
//
// IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
// CONSEQUENTIAL DAMAGES ( INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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//
// Copyright ( C ) 2008 Apple Inc. All Rights Reserved.
//
#import <Cocoa/Cocoa.h>
#import <QuartzCore/QuartzCore.h>
@interface ExampleCALayerDelegate : NSObject
{
}
-(void)drawLayer:(CALayer *)layer inContext:(CGContextRef)ctx;
@end
</pre>
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<td><div style="width: 100%; height: 1px; background-color: #919699; margin-top: 5px; margin-bottom: 15px"></div></td>
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/CALayerEssentials/listing3.html%3Fid%3DDTS40008029-1.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
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