Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_p_n_g_proxy_8cpp_source.html
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+<h1>examples/Multimedia/ICL/ICLCodec/PNGProxy.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// PNGProxy.cpp</span>
+<a name="l00002"></a>00002 <span class="comment">//</span>
+<a name="l00003"></a>00003 <span class="comment">// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
+<a name="l00004"></a>00004 <span class="comment">// All rights reserved.</span>
+<a name="l00005"></a>00005 <span class="comment">// This component and the accompanying materials are made available</span>
+<a name="l00006"></a>00006 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
+<a name="l00007"></a>00007 <span class="comment">// which accompanies this distribution, and is available</span>
+<a name="l00008"></a>00008 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
+<a name="l00009"></a>00009 <span class="comment">//</span>
+<a name="l00010"></a>00010 <span class="comment">// Initial Contributors:</span>
+<a name="l00011"></a>00011 <span class="comment">// Nokia Corporation - initial contribution.</span>
+<a name="l00012"></a>00012 <span class="comment">//</span>
+<a name="l00013"></a>00013 <span class="comment">// Contributors:</span>
+<a name="l00014"></a>00014 <span class="comment">//</span>
+<a name="l00015"></a>00015 <span class="comment">// Description:</span>
+<a name="l00016"></a>00016 <span class="comment">//</span>
+<a name="l00017"></a>00017 <span class="comment">//</span>
+<a name="l00018"></a>00018
+<a name="l00019"></a>00019 <span class="comment">// Supplies the factory function called by ECom, and factories for</span>
+<a name="l00020"></a>00020 <span class="comment">// the PNG decoder and encoder</span>
+<a name="l00021"></a>00021
+<a name="l00022"></a>00022 <span class="comment">// Ecom headers</span>
+<a name="l00023"></a>00023 <span class="preprocessor">#include <ecom.h></span>
+<a name="l00024"></a>00024 <span class="preprocessor">#include <implementationproxy.h></span>
+<a name="l00025"></a>00025
+<a name="l00026"></a>00026 <span class="comment">// ICL base class</span>
+<a name="l00027"></a>00027 <span class="preprocessor">#include <icl/imageconstruct.h></span>
+<a name="l00028"></a>00028
+<a name="l00029"></a>00029 <span class="preprocessor">#include "uids.h"</span>
+<a name="l00030"></a>00030 <span class="preprocessor">#include "PNGCodec.h"</span>
+<a name="l00031"></a>00031
+<a name="l00032"></a>00032
+<a name="l00033"></a>00033 <span class="comment">//</span>
+<a name="l00034"></a>00034 <span class="comment">// Factory for PNG decoder</span>
+<a name="l00035"></a>00035 <span class="comment">//</span>
+<a name="l00036"></a>00036 <span class="keyword">class </span>CPngDecodeConstruct : <span class="keyword">public</span> CImageDecodeConstruct
+<a name="l00037"></a>00037 {
+<a name="l00038"></a>00038 <span class="keyword">public</span>:
+<a name="l00039"></a>00039 <span class="comment">// Constructs the factory</span>
+<a name="l00040"></a>00040 <span class="keyword">static</span> CPngDecodeConstruct* NewL();
+<a name="l00041"></a>00041
+<a name="l00042"></a>00042 <span class="comment">// Supplies a new decoder</span>
+<a name="l00043"></a>00043 <span class="comment">// from CImageDecodeConstruct</span>
+<a name="l00044"></a>00044 CImageDecoderPlugin* NewPluginL() <span class="keyword">const</span>;
+<a name="l00045"></a>00045 };
+<a name="l00046"></a>00046
+<a name="l00047"></a>00047 CPngDecodeConstruct* CPngDecodeConstruct::NewL()
+<a name="l00048"></a>00048 {
+<a name="l00049"></a>00049 CPngDecodeConstruct* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) CPngDecodeConstruct;
+<a name="l00050"></a>00050 <span class="keywordflow">return</span> <span class="keyword">self</span>;
+<a name="l00051"></a>00051 }
+<a name="l00052"></a>00052
+<a name="l00053"></a>00053 CImageDecoderPlugin* CPngDecodeConstruct::NewPluginL()<span class="keyword"> const</span>
+<a name="l00054"></a>00054 <span class="keyword"> </span>{
+<a name="l00055"></a>00055 <span class="keywordflow">return</span> CPngDecoder::NewL();
+<a name="l00056"></a>00056 }
+<a name="l00057"></a>00057
+<a name="l00058"></a>00058
+<a name="l00059"></a>00059 <span class="comment">//</span>
+<a name="l00060"></a>00060 <span class="comment">// Factory for PNG encoder</span>
+<a name="l00061"></a>00061 <span class="comment">//</span>
+<a name="l00062"></a>00062 <span class="keyword">class </span>CPngEncodeConstruct : <span class="keyword">public</span> CImageEncodeConstruct
+<a name="l00063"></a>00063 {
+<a name="l00064"></a>00064 <span class="keyword">public</span>:
+<a name="l00065"></a>00065 <span class="comment">// Constructs the factory</span>
+<a name="l00066"></a>00066 <span class="keyword">static</span> CPngEncodeConstruct* NewL();
+<a name="l00067"></a>00067
+<a name="l00068"></a>00068 <span class="comment">// Supplies a new encoder</span>
+<a name="l00069"></a>00069 <span class="comment">// from CImageEncodeConstruct</span>
+<a name="l00070"></a>00070 CImageEncoderPlugin* NewPluginL() <span class="keyword">const</span>;
+<a name="l00071"></a>00071 };
+<a name="l00072"></a>00072
+<a name="l00073"></a>00073 CPngEncodeConstruct* CPngEncodeConstruct::NewL()
+<a name="l00074"></a>00074 {
+<a name="l00075"></a>00075 CPngEncodeConstruct* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) CPngEncodeConstruct;
+<a name="l00076"></a>00076 <span class="keywordflow">return</span> <span class="keyword">self</span>;
+<a name="l00077"></a>00077 }
+<a name="l00078"></a>00078
+<a name="l00079"></a>00079 CImageEncoderPlugin* CPngEncodeConstruct::NewPluginL()<span class="keyword"> const</span>
+<a name="l00080"></a>00080 <span class="keyword"> </span>{
+<a name="l00081"></a>00081 <span class="keywordflow">return</span> CPngEncoder::NewL();
+<a name="l00082"></a>00082 }
+<a name="l00083"></a>00083
+<a name="l00084"></a>00084
+<a name="l00085"></a>00085
+<a name="l00086"></a>00086 <span class="comment">//</span>
+<a name="l00087"></a>00087 <span class="comment">// Exported proxy for ECom instantiation method resolution</span>
+<a name="l00088"></a>00088 <span class="comment">//</span>
+<a name="l00089"></a>00089
+<a name="l00090"></a>00090 <span class="comment">// Define the factories for the PNG converters</span>
+<a name="l00091"></a>00091 <span class="keyword">const</span> TImplementationProxy ImplementationTable[] =
+<a name="l00092"></a>00092 {
+<a name="l00093"></a>00093 IMPLEMENTATION_PROXY_ENTRY(KExPNGDecoderImplementationUidValue, CPngDecodeConstruct::NewL),
+<a name="l00094"></a>00094 IMPLEMENTATION_PROXY_ENTRY(KExPNGEncoderImplementationUidValue, CPngEncodeConstruct::NewL)
+<a name="l00095"></a>00095 };
+<a name="l00096"></a>00096
+<a name="l00097"></a>00097 EXPORT_C <span class="keyword">const</span> TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+<a name="l00098"></a>00098 {
+<a name="l00099"></a>00099 aTableCount = <span class="keyword">sizeof</span>(ImplementationTable) / <span class="keyword">sizeof</span>(TImplementationProxy);
+<a name="l00100"></a>00100 <span class="keywordflow">return</span> ImplementationTable;
+<a name="l00101"></a>00101 }
+<a name="l00102"></a>00102
+<a name="l00103"></a>00103 <span class="comment">//</span>
+<a name="l00104"></a>00104 <span class="comment">// Global panic function</span>
+<a name="l00105"></a>00105 <span class="comment">//</span>
+<a name="l00106"></a>00106 GLDEF_C <span class="keywordtype">void</span> Panic(TInt aError)
+<a name="l00107"></a>00107 {
+<a name="l00108"></a>00108 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KPNGPanicCategory, <span class="stringliteral">"PNGExConvertPlugin"</span>);
+<a name="l00109"></a>00109 User::Panic(KPNGPanicCategory, aError);
+<a name="l00110"></a>00110 }
+<a name="l00111"></a>00111
+</pre></div></div>
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