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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/icljpgtoolsandsqueezeexample_8cpp-source.html
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Fri, 22 Jan 2010 18:26:19 +0000
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>TB10.1 Example Applications: examples/Multimedia/ICL/ICLExample/icljpgtoolsandsqueezeexample.cpp Source File</title>
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<link href="doxygen.css" rel="stylesheet" type="text/css">
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<link href="tabs.css" rel="stylesheet" type="text/css">
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</head><body>
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<!-- Generated by Doxygen 1.5.3 -->
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<h1>examples/Multimedia/ICL/ICLExample/icljpgtoolsandsqueezeexample.cpp</h1><a href="icljpgtoolsandsqueezeexample_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
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<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
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<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
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<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
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<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
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<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
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<a name="l00007"></a>00007 <span class="comment">//</span>
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<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
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<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
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<a name="l00010"></a>00010 <span class="comment">//</span>
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<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
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<a name="l00012"></a>00012 <span class="comment">//</span>
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<a name="l00013"></a>00013 <span class="comment">// Description:</span>
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<a name="l00014"></a>00014 <span class="comment">// This code demonstrates various imagetransformations available in Jpeg Tools and Squeeze </span>
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<a name="l00015"></a>00015 <span class="comment">// modules of ICL </span>
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<a name="l00016"></a>00016 <span class="comment">// Note 1: For demonstration purposes we create a client side active object which can </span>
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<a name="l00017"></a>00017 <span class="comment">// handle the asynchronous request to transform the image. In a standard application the asynchronous</span>
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<a name="l00018"></a>00018 <span class="comment">// call would be made passing in a TRequestStatus object associate with an active object</span>
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<a name="l00019"></a>00019 <span class="comment">// which is part of that application. We would return to the main UI processing thread in </span>
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<a name="l00020"></a>00020 <span class="comment">// which an active scheduler is running and wait for the asynchronous request to complete. In </span>
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<a name="l00021"></a>00021 <span class="comment">// this demonstration we need to manually start the active scheduler.</span>
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<a name="l00022"></a>00022 <span class="comment">// Note 2: Starts the active scheduler - this is for demonstration purposes. See Note 1:</span>
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<a name="l00023"></a>00023 <span class="comment">//</span>
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<a name="l00024"></a>00024
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<a name="l00025"></a>00025
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<a name="l00026"></a>00026
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<a name="l00027"></a>00027
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<a name="l00028"></a>00028
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<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="iclexample_8h.html">iclexample.h</a>"</span>
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<a name="l00034"></a>00034
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<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;imagetransform.h&gt;</span>
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<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;icl/squeezetransformextension.h&gt;</span>
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<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;icl/orientationtransformextension.h&gt;</span>
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<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;icl/overlaytransformextension.h&gt;</span>
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<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;iclexifimageframe.h&gt;</span>
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<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;imageframe.h&gt;</span>
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<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;imageconversion.h&gt;</span>
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<a name="l00042"></a>00042
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<a name="l00043"></a>00043
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<a name="l00044"></a><a class="code" href="icljpgtoolsandsqueezeexample_8cpp.html#59c2123c4f4c2095c8330b4876bfe28e">00044</a> <span class="keyword">const</span> TUid <a class="code" href="icljpgtoolsandsqueezeexample_8cpp.html#59c2123c4f4c2095c8330b4876bfe28e">KImageFramePluginUid</a> = {0x101F7C60};
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<a name="l00045"></a>00045
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<a name="l00056"></a><a class="code" href="class_c_icl_example.html#01e8b801b449b110507d038fd29c0465">00056</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#01e8b801b449b110507d038fd29c0465">CIclExample::SqueezeJpgFileToFileL</a>(<span class="keyword">const</span> TDesC&amp; aSrcFileName, <span class="keyword">const</span> TDesC&amp; aDestFileName)
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<a name="l00057"></a>00057         {
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<a name="l00058"></a>00058         <span class="comment">// Create CImageTransform object and push it on to the cleanup stack</span>
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<a name="l00059"></a>00059         CImageTransform* imageTransform = CImageTransform::NewL(iFs);
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<a name="l00060"></a>00060         CleanupStack::PushL(imageTransform);
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<a name="l00061"></a>00061
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<a name="l00062"></a>00062         imageTransform-&gt;SetSourceFilenameL(aSrcFileName);
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<a name="l00063"></a>00063         imageTransform-&gt;SetDestFilenameL(aDestFileName);
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<a name="l00064"></a>00064         imageTransform-&gt;SetTransformationsL(CImageTransform::ESqueeze);
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<a name="l00065"></a>00065         imageTransform-&gt;SetOptionsL(CImageTransform::EIgnoreExifMetadataProcessing);
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<a name="l00066"></a>00066         imageTransform-&gt;SetupL();
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<a name="l00067"></a>00067
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<a name="l00068"></a>00068         TUid lSqUid = {KUidSqueezeTransformExtension    };
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<a name="l00069"></a>00069         TInt err = KErrNone;
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<a name="l00070"></a>00070         CSqueezeTransformExtension* lSqExt = <span class="keyword">static_cast&lt;</span>CSqueezeTransformExtension*<span class="keyword">&gt;</span>(imageTransform-&gt;Extension(lSqUid, err));
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<a name="l00071"></a>00071         <span class="keywordflow">if</span>(!lSqExt)
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<a name="l00072"></a>00072                 {
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<a name="l00073"></a>00073                 User::Leave(err);
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<a name="l00074"></a>00074                 }
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<a name="l00075"></a>00075
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<a name="l00076"></a>00076         <span class="comment">// Squeeze by 20% of size in bytes</span>
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<a name="l00077"></a>00077         TInt squeezeRate = 20;
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<a name="l00078"></a>00078         RFile file;
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<a name="l00079"></a>00079         User::LeaveIfError(file.Open(iFs, aSrcFileName, EFileRead));
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<a name="l00080"></a>00080         TInt filesize;
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<a name="l00081"></a>00081         User::LeaveIfError(file.Size(filesize));
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<a name="l00082"></a>00082         file.Close();
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<a name="l00083"></a>00083         TInt maxdestsize = filesize - ( (filesize * squeezeRate)/100 );
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<a name="l00084"></a>00084
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<a name="l00085"></a>00085         <span class="comment">// Set the desired max size of the squeezed file on the squeeze extension</span>
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<a name="l00086"></a>00086         lSqExt-&gt;SetDestSizeInBytes(maxdestsize);
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<a name="l00087"></a>00087
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<a name="l00088"></a>00088         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00089"></a>00089         <span class="comment">// See Note 1</span>
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<a name="l00090"></a>00090         <a class="code" href="class_c_active_listener.html">CActiveListener</a>* activeListener = <a class="code" href="class_c_icl_example.html#6cb9b9dbd3a9e04e6ad4f144e6e2a8d9">CreateAndInitializeActiveListenerLC</a>();
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<a name="l00091"></a>00091
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<a name="l00092"></a>00092         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00093"></a>00093         imageTransform-&gt;Transform(activeListener-&gt;iStatus);
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<a name="l00094"></a>00094
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<a name="l00095"></a>00095         <span class="comment">// See Note 2</span>
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<a name="l00096"></a>00096         CActiveScheduler::Start();
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<a name="l00097"></a>00097         User::LeaveIfError(activeListener-&gt;iStatus.Int());
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<a name="l00098"></a>00098
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<a name="l00099"></a>00099
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<a name="l00100"></a>00100         CleanupStack::PopAndDestroy(2); <span class="comment">// activeListener, imageTransform </span>
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<a name="l00101"></a>00101         }
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<a name="l00102"></a>00102
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<a name="l00103"></a>00103
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<a name="l00114"></a><a class="code" href="class_c_icl_example.html#5a2b4947cd5af165546515ee95742419">00114</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#5a2b4947cd5af165546515ee95742419">CIclExample::SqueezeJpgBufferToBufferL</a>(<span class="keyword">const</span> TDesC&amp; aSrcFileName, <span class="keyword">const</span> TDesC&amp; aDestFileName)
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<a name="l00115"></a>00115         {
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<a name="l00116"></a>00116         TPtr8 imageFromFilePtr = LoadImageIntoMemoryLC(aSrcFileName);
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<a name="l00117"></a>00117         HBufC8* destData = NULL;
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<a name="l00118"></a>00118
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<a name="l00119"></a>00119         <span class="comment">// Create CImageTransform object and push it on to the cleanup stack</span>
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<a name="l00120"></a>00120         CImageTransform* imageTransform = CImageTransform::NewL(iFs);
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<a name="l00121"></a>00121         CleanupStack::PushL(imageTransform);
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<a name="l00122"></a>00122
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<a name="l00123"></a>00123         imageTransform-&gt;SetSourceDataL(imageFromFilePtr);
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<a name="l00124"></a>00124         imageTransform-&gt;SetDestDataL(destData);
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<a name="l00125"></a>00125         imageTransform-&gt;SetTransformationsL(CImageTransform::ESqueeze);
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<a name="l00126"></a>00126         imageTransform-&gt;SetupL();
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<a name="l00127"></a>00127
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<a name="l00128"></a>00128         TUid lSqUid = {KUidSqueezeTransformExtension    };
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<a name="l00129"></a>00129         TInt err = KErrNone;
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<a name="l00130"></a>00130         CSqueezeTransformExtension* lSqExt = <span class="keyword">static_cast&lt;</span>CSqueezeTransformExtension*<span class="keyword">&gt;</span>(imageTransform-&gt;Extension(lSqUid, err));
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<a name="l00131"></a>00131         <span class="keywordflow">if</span>(!lSqExt)
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<a name="l00132"></a>00132                 {
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<a name="l00133"></a>00133                 User::Leave(err);
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<a name="l00134"></a>00134                 }
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<a name="l00135"></a>00135
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<a name="l00136"></a>00136         <span class="comment">// Squeeze by 5% of size in bytes</span>
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<a name="l00137"></a>00137         TInt squeezeRate = 5;
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<a name="l00138"></a>00138         RFile file;
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<a name="l00139"></a>00139         User::LeaveIfError(file.Open(iFs, aSrcFileName, EFileRead));
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<a name="l00140"></a>00140         TInt filesize;
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<a name="l00141"></a>00141         User::LeaveIfError(file.Size(filesize));
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<a name="l00142"></a>00142         file.Close();
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<a name="l00143"></a>00143         TInt maxdestsize = filesize - ( (filesize * squeezeRate)/100 );
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<a name="l00144"></a>00144
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<a name="l00145"></a>00145         <span class="comment">// Set the desired max size of the squeezed file on the squeeze extension</span>
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<a name="l00146"></a>00146         lSqExt-&gt;SetDestSizeInBytes(maxdestsize);
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<a name="l00147"></a>00147
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<a name="l00148"></a>00148         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00149"></a>00149         <span class="comment">// See Note 1</span>
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<a name="l00150"></a>00150         <a class="code" href="class_c_active_listener.html">CActiveListener</a>* activeListener = <a class="code" href="class_c_icl_example.html#6cb9b9dbd3a9e04e6ad4f144e6e2a8d9">CreateAndInitializeActiveListenerLC</a>();
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<a name="l00151"></a>00151
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<a name="l00152"></a>00152         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00153"></a>00153         imageTransform-&gt;Transform(activeListener-&gt;iStatus);
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<a name="l00154"></a>00154
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<a name="l00155"></a>00155         <span class="comment">// See Note 2</span>
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<a name="l00156"></a>00156         CActiveScheduler::Start();
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<a name="l00157"></a>00157         User::LeaveIfError(activeListener-&gt;iStatus.Int());
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<a name="l00158"></a>00158
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<a name="l00159"></a>00159         <span class="comment">// write the descriptor to the output file</span>
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<a name="l00160"></a>00160         User::LeaveIfError(file.Replace(iFs, aDestFileName, EFileWrite));
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<a name="l00161"></a>00161         file.Write(*destData);
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<a name="l00162"></a>00162         file.Close();
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<a name="l00163"></a>00163         <span class="keyword">delete</span> destData;
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<a name="l00164"></a>00164
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<a name="l00165"></a>00165         CleanupStack::PopAndDestroy(3); <span class="comment">// activeListener, imageTransform, image </span>
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<a name="l00166"></a>00166         }
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<a name="l00167"></a>00167
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<a name="l00168"></a>00168
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<a name="l00179"></a><a class="code" href="class_c_icl_example.html#ad1303bafe8aac71274efa90558f29ff">00179</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#ad1303bafe8aac71274efa90558f29ff">CIclExample::AutoSqueezeJpgFileToFileL</a>(<span class="keyword">const</span> TDesC&amp; aSrcFileName, <span class="keyword">const</span> TDesC&amp; aDestFileName)
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<a name="l00180"></a>00180         {
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<a name="l00181"></a>00181         <span class="comment">// Create CImageTransform object and push it on to the cleanup stack</span>
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<a name="l00182"></a>00182         CImageTransform* imageTransform = CImageTransform::NewL(iFs);
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<a name="l00183"></a>00183         CleanupStack::PushL(imageTransform);
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<a name="l00184"></a>00184
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<a name="l00185"></a>00185         imageTransform-&gt;SetSourceFilenameL(aSrcFileName);
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<a name="l00186"></a>00186         imageTransform-&gt;SetDestFilenameL(aDestFileName);
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<a name="l00187"></a>00187         imageTransform-&gt;SetTransformationsL(CImageTransform::ESqueeze);
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<a name="l00188"></a>00188         imageTransform-&gt;SetupL();
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<a name="l00189"></a>00189
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<a name="l00190"></a>00190         TUid lSqUid = {KUidSqueezeTransformExtension    };
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<a name="l00191"></a>00191         TInt err = KErrNone;
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<a name="l00192"></a>00192         CSqueezeTransformExtension* lSqExt = <span class="keyword">static_cast&lt;</span>CSqueezeTransformExtension*<span class="keyword">&gt;</span>(imageTransform-&gt;Extension(lSqUid, err));
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<a name="l00193"></a>00193         <span class="keywordflow">if</span>(!lSqExt)
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<a name="l00194"></a>00194                 {
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<a name="l00195"></a>00195                 User::Leave(err);
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<a name="l00196"></a>00196                 }
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<a name="l00197"></a>00197
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<a name="l00198"></a>00198         <span class="comment">// Squeeze by 5% of size in bytes</span>
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<a name="l00199"></a>00199         TInt squeezeRate = 5;
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<a name="l00200"></a>00200         RFile file;
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<a name="l00201"></a>00201         User::LeaveIfError(file.Open(iFs, aSrcFileName, EFileRead));
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<a name="l00202"></a>00202         TInt filesize;
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<a name="l00203"></a>00203         User::LeaveIfError(file.Size(filesize));
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<a name="l00204"></a>00204         file.Close();
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<a name="l00205"></a>00205         TInt maxdestsize = filesize - ( (filesize * squeezeRate)/100 );
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<a name="l00206"></a>00206
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<a name="l00207"></a>00207         <span class="comment">// Get the pixel size of the image</span>
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<a name="l00208"></a>00208         CJPEGImageFrameDecoder *decoder = NULL;
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<a name="l00209"></a>00209         decoder= <span class="keyword">static_cast&lt;</span>CJPEGImageFrameDecoder*<span class="keyword">&gt;</span> (CImageDecoder::FileNewL(iFs, aSrcFileName, CImageDecoder::EOptionNone, KNullUid, KNullUid, <a class="code" href="icljpgtoolsandsqueezeexample_8cpp.html#59c2123c4f4c2095c8330b4876bfe28e">KImageFramePluginUid</a>));
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<a name="l00210"></a>00210         <span class="keyword">const</span> TFrameInfo* frameInfo = &amp;decoder-&gt;FrameInfo();;
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<a name="l00211"></a>00211         TSize imgSizeInPixels = frameInfo-&gt;iOverallSizeInPixels;
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<a name="l00212"></a>00212         <span class="keyword">delete</span> decoder;
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<a name="l00213"></a>00213
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<a name="l00214"></a>00214         <span class="comment">// Max pixel size may be 10% of the original size</span>
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<a name="l00215"></a>00215         TSize maxImageSizeInPixels;
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<a name="l00216"></a>00216         maxImageSizeInPixels.iWidth = imgSizeInPixels.iWidth - (imgSizeInPixels.iWidth *10) /100;
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<a name="l00217"></a>00217         maxImageSizeInPixels.iHeight = imgSizeInPixels.iHeight - (imgSizeInPixels.iHeight *10) /100;
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<a name="l00218"></a>00218
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<a name="l00219"></a>00219         <span class="comment">// Min pixel size may be 30% of the original size</span>
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<a name="l00220"></a>00220         TSize minImageSizeInPixels;
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<a name="l00221"></a>00221         minImageSizeInPixels.iWidth = imgSizeInPixels.iWidth - (imgSizeInPixels.iWidth *30) /100;
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<a name="l00222"></a>00222         minImageSizeInPixels.iHeight = imgSizeInPixels.iHeight - (imgSizeInPixels.iHeight *30) /100;
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<a name="l00223"></a>00223
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<a name="l00224"></a>00224         <span class="comment">// Set the various desired parmas for the auto squeeze</span>
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<a name="l00225"></a>00225         TAdvancedSqueezeParams  squeezeAutoResizeParams;
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<a name="l00226"></a>00226         squeezeAutoResizeParams.iMaxDestSizeInBytes = maxdestsize;
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<a name="l00227"></a>00227         squeezeAutoResizeParams.iResizeAction = TAdvancedSqueezeParams::EAutoResizeActionPrioritizeLargeImageSize;
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<a name="l00228"></a>00228         squeezeAutoResizeParams.iMinImageSize = minImageSizeInPixels;
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<a name="l00229"></a>00229         squeezeAutoResizeParams.iMaxImageSize = maxImageSizeInPixels;
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<a name="l00230"></a>00230         squeezeAutoResizeParams.iSamplingUid = KUidSamplingColor422;
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<a name="l00231"></a>00231         squeezeAutoResizeParams.iMinEncodingQuality = 0.8f;
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<a name="l00232"></a>00232         <span class="comment">// Set the advance params to the squeeze extension</span>
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<a name="l00233"></a>00233         lSqExt-&gt;SetAdvancedSqueezeModeL(&amp;squeezeAutoResizeParams);
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<a name="l00234"></a>00234
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<a name="l00235"></a>00235
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<a name="l00236"></a>00236         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00237"></a>00237         <span class="comment">// See Note 1</span>
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<a name="l00238"></a>00238         <a class="code" href="class_c_active_listener.html">CActiveListener</a>* activeListener = <a class="code" href="class_c_icl_example.html#6cb9b9dbd3a9e04e6ad4f144e6e2a8d9">CreateAndInitializeActiveListenerLC</a>();
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<a name="l00239"></a>00239
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<a name="l00240"></a>00240         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00241"></a>00241         imageTransform-&gt;Transform(activeListener-&gt;iStatus);
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<a name="l00242"></a>00242
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<a name="l00243"></a>00243         <span class="comment">// See Note 2</span>
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<a name="l00244"></a>00244         CActiveScheduler::Start();
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<a name="l00245"></a>00245         User::LeaveIfError(activeListener-&gt;iStatus.Int());
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<a name="l00246"></a>00246
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<a name="l00247"></a>00247
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<a name="l00248"></a>00248         CleanupStack::PopAndDestroy(2); <span class="comment">// activeListener, imageTransform </span>
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<a name="l00249"></a>00249         }
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<a name="l00250"></a>00250
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<a name="l00261"></a><a class="code" href="class_c_icl_example.html#0afdb26ddecd25134d6c33109f9ce99f">00261</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#0afdb26ddecd25134d6c33109f9ce99f">CIclExample::RotateJpgFileToFileL</a>(<span class="keyword">const</span> TDesC&amp; aSrcFileName, <span class="keyword">const</span> TDesC&amp; aDestFileName)
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<a name="l00262"></a>00262         {
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<a name="l00263"></a>00263         <span class="comment">// Create CImageTransform object and push it on to the cleanup stack</span>
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<a name="l00264"></a>00264         CImageTransform* imageTransform = CImageTransform::NewL(iFs);
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<a name="l00265"></a>00265         CleanupStack::PushL(imageTransform);
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<a name="l00266"></a>00266
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<a name="l00267"></a>00267         imageTransform-&gt;SetSourceFilenameL(aSrcFileName);
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<a name="l00268"></a>00268         imageTransform-&gt;SetDestFilenameL(aDestFileName);
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<a name="l00269"></a>00269         imageTransform-&gt;SetTransformationsL(CImageTransform::EOrientation);
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<a name="l00270"></a>00270         imageTransform-&gt;SetupL();
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<a name="l00271"></a>00271
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<a name="l00272"></a>00272         TUid lRotateUid = {KUidOrientationTransformExtension    };
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<a name="l00273"></a>00273         TInt err = KErrNone;
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<a name="l00274"></a>00274         COrientationTransformExtension* lRotateExt = <span class="keyword">static_cast&lt;</span>COrientationTransformExtension*<span class="keyword">&gt;</span>(imageTransform-&gt;Extension(lRotateUid, err));
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<a name="l00275"></a>00275         <span class="keywordflow">if</span>(!lRotateExt)
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<a name="l00276"></a>00276                 {
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<a name="l00277"></a>00277                 User::Leave(err);
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<a name="l00278"></a>00278                 }
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<a name="l00279"></a>00279         <span class="comment">// Rotate by 90 degree of size in bytes</span>
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<a name="l00280"></a>00280         lRotateExt-&gt;SetOrientationL(COrientationTransformExtension::ERotation90DegreesClockwise);
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<a name="l00281"></a>00281
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<a name="l00282"></a>00282         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00283"></a>00283         <span class="comment">// See Note 1</span>
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<a name="l00284"></a>00284         <a class="code" href="class_c_active_listener.html">CActiveListener</a>* activeListener = <a class="code" href="class_c_icl_example.html#6cb9b9dbd3a9e04e6ad4f144e6e2a8d9">CreateAndInitializeActiveListenerLC</a>();
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<a name="l00285"></a>00285
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<a name="l00286"></a>00286         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00287"></a>00287         imageTransform-&gt;Transform(activeListener-&gt;iStatus);
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<a name="l00288"></a>00288
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<a name="l00289"></a>00289         <span class="comment">// See Note 2</span>
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<a name="l00290"></a>00290         CActiveScheduler::Start();
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<a name="l00291"></a>00291         User::LeaveIfError(activeListener-&gt;iStatus.Int());
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<a name="l00292"></a>00292
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<a name="l00293"></a>00293
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<a name="l00294"></a>00294         CleanupStack::PopAndDestroy(2); <span class="comment">// activeListener, imageTransform </span>
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<a name="l00295"></a>00295         }
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<a name="l00296"></a>00296
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<a name="l00297"></a>00297
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<a name="l00309"></a><a class="code" href="class_c_icl_example.html#5a9a18e5cb34223269cf92d0367d7dd2">00309</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#5a9a18e5cb34223269cf92d0367d7dd2">CIclExample::OverlayJpgDataToJpgFileToFileL</a>(<span class="keyword">const</span> TDesC&amp; aSrcFileName, <span class="keyword">const</span> TDesC&amp; aOverlayFileName, <span class="keyword">const</span> TDesC&amp; aDestFileName)
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<a name="l00310"></a>00310         {
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<a name="l00311"></a>00311         <span class="comment">// Create CImageTransform object and push it on to the cleanup stack</span>
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<a name="l00312"></a>00312         CImageTransform* imageTransform = CImageTransform::NewL(iFs);
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<a name="l00313"></a>00313         CleanupStack::PushL(imageTransform);
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<a name="l00314"></a>00314
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<a name="l00315"></a>00315         imageTransform-&gt;SetSourceFilenameL(aSrcFileName);
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<a name="l00316"></a>00316         imageTransform-&gt;SetDestFilenameL(aDestFileName);
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<a name="l00317"></a>00317         imageTransform-&gt;SetTransformationsL(CImageTransform::EOverlay);
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<a name="l00318"></a>00318         imageTransform-&gt;SetupL();
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<a name="l00319"></a>00319
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<a name="l00320"></a>00320         TUid lRotateUid = {KUidOverlayTransformExtension        };
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<a name="l00321"></a>00321         TInt err = KErrNone;
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<a name="l00322"></a>00322         COverlayTransformExtension* lOverlayExt = <span class="keyword">static_cast&lt;</span>COverlayTransformExtension*<span class="keyword">&gt;</span>(imageTransform-&gt;Extension(lRotateUid, err));
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<a name="l00323"></a>00323         <span class="keywordflow">if</span>(!lOverlayExt)
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<a name="l00324"></a>00324                 {
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<a name="l00325"></a>00325                 User::Leave(err);
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<a name="l00326"></a>00326                 }
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<a name="l00327"></a>00327         <span class="comment">// Set the position</span>
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<a name="l00328"></a>00328         TPoint position(0,0);
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<a name="l00329"></a>00329         lOverlayExt-&gt;SetPosition(position);
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<a name="l00330"></a>00330
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<a name="l00331"></a>00331         <span class="comment">// Set the overlay file</span>
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<a name="l00332"></a>00332         TPtr8 imageFromFilePtr = LoadImageIntoMemoryLC(aOverlayFileName);
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<a name="l00333"></a>00333         lOverlayExt-&gt;SetOverlayDataL(imageFromFilePtr, KImageTypeJPGUid);
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<a name="l00334"></a>00334
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<a name="l00335"></a>00335         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00336"></a>00336         <span class="comment">// See Note 1</span>
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<a name="l00337"></a>00337         <a class="code" href="class_c_active_listener.html">CActiveListener</a>* activeListener = <a class="code" href="class_c_icl_example.html#6cb9b9dbd3a9e04e6ad4f144e6e2a8d9">CreateAndInitializeActiveListenerLC</a>();
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<a name="l00338"></a>00338
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<a name="l00339"></a>00339         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00340"></a>00340         imageTransform-&gt;Transform(activeListener-&gt;iStatus);
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<a name="l00341"></a>00341
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<a name="l00342"></a>00342         <span class="comment">// See Note 2</span>
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<a name="l00343"></a>00343         CActiveScheduler::Start();
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<a name="l00344"></a>00344         User::LeaveIfError(activeListener-&gt;iStatus.Int());
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<a name="l00345"></a>00345
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<a name="l00346"></a>00346
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<a name="l00347"></a>00347         CleanupStack::PopAndDestroy(3); <span class="comment">// activeListener, overlay image, imageTransform </span>
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<a name="l00348"></a>00348         }
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<a name="l00349"></a>00349
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<a name="l00361"></a><a class="code" href="class_c_icl_example.html#dfaa0ee7346aa45a9ef50d9fe7295404">00361</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#dfaa0ee7346aa45a9ef50d9fe7295404">CIclExample::OverlayPngFileToJpgFileToFileL</a>(<span class="keyword">const</span> TDesC&amp; aSrcFileName, <span class="keyword">const</span> TDesC&amp; aOverlayFileName, <span class="keyword">const</span> TDesC&amp; aDestFileName)
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<a name="l00362"></a>00362         {
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<a name="l00363"></a>00363         <span class="comment">// Create CImageTransform object and push it on to the cleanup stack</span>
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<a name="l00364"></a>00364         CImageTransform* imageTransform = CImageTransform::NewL(iFs);
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<a name="l00365"></a>00365         CleanupStack::PushL(imageTransform);
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<a name="l00366"></a>00366
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<a name="l00367"></a>00367         imageTransform-&gt;SetSourceFilenameL(aSrcFileName);
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<a name="l00368"></a>00368         imageTransform-&gt;SetDestFilenameL(aDestFileName);
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<a name="l00369"></a>00369         imageTransform-&gt;SetTransformationsL(CImageTransform::EOverlay);
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<a name="l00370"></a>00370         imageTransform-&gt;SetupL();
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<a name="l00371"></a>00371
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<a name="l00372"></a>00372         TUid lOverlayUid = {KUidOverlayTransformExtension       };
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<a name="l00373"></a>00373         TInt err = KErrNone;
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<a name="l00374"></a>00374         COverlayTransformExtension* lOverlayExt = <span class="keyword">static_cast&lt;</span>COverlayTransformExtension*<span class="keyword">&gt;</span>(imageTransform-&gt;Extension(lOverlayUid, err));
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<a name="l00375"></a>00375         <span class="keywordflow">if</span>(!lOverlayExt)
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<a name="l00376"></a>00376                 {
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<a name="l00377"></a>00377                 User::Leave(err);
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<a name="l00378"></a>00378                 }
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<a name="l00379"></a>00379         <span class="comment">// Set the position</span>
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<a name="l00380"></a>00380         TPoint position(0,0);
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<a name="l00381"></a>00381         lOverlayExt-&gt;SetPosition(position);
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<a name="l00382"></a>00382
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<a name="l00383"></a>00383         <span class="comment">// Set the overlay data</span>
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<a name="l00384"></a>00384         TUid pngUid = KImageTypePNGUid;
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<a name="l00385"></a>00385         lOverlayExt-&gt;SetOverlayFileL(aOverlayFileName, pngUid);
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<a name="l00386"></a>00386
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<a name="l00387"></a>00387         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00388"></a>00388         <span class="comment">// See Note 1</span>
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<a name="l00389"></a>00389         <a class="code" href="class_c_active_listener.html">CActiveListener</a>* activeListener = <a class="code" href="class_c_icl_example.html#6cb9b9dbd3a9e04e6ad4f144e6e2a8d9">CreateAndInitializeActiveListenerLC</a>();
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<a name="l00390"></a>00390
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<a name="l00391"></a>00391         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00392"></a>00392         imageTransform-&gt;Transform(activeListener-&gt;iStatus);
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<a name="l00393"></a>00393
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<a name="l00394"></a>00394         <span class="comment">// See Note 2</span>
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<a name="l00395"></a>00395         CActiveScheduler::Start();
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<a name="l00396"></a>00396         User::LeaveIfError(activeListener-&gt;iStatus.Int());
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<a name="l00397"></a>00397
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<a name="l00398"></a>00398
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<a name="l00399"></a>00399         CleanupStack::PopAndDestroy(2); <span class="comment">// activeListener, overlay image, imageTransform </span>
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<a name="l00400"></a>00400         }
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<a name="l00401"></a>00401
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<a name="l00402"></a>00402
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<a name="l00414"></a><a class="code" href="class_c_icl_example.html#3c18c273d702e32b9d4e196e38edfa46">00414</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#3c18c273d702e32b9d4e196e38edfa46">CIclExample::OverlayBmpDataToJpgFileToFileL</a>(<span class="keyword">const</span> TDesC&amp; aSrcFileName, <span class="keyword">const</span> TDesC&amp; aOverlayFileName, <span class="keyword">const</span> TDesC&amp; aDestFileName)
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<a name="l00415"></a>00415         {
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<a name="l00416"></a>00416         <span class="comment">// Create CImageTransform object and push it on to the cleanup stack</span>
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<a name="l00417"></a>00417         CImageTransform* imageTransform = CImageTransform::NewL(iFs);
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<a name="l00418"></a>00418         CleanupStack::PushL(imageTransform);
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<a name="l00419"></a>00419
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<a name="l00420"></a>00420         imageTransform-&gt;SetSourceFilenameL(aSrcFileName);
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<a name="l00421"></a>00421         imageTransform-&gt;SetDestFilenameL(aDestFileName);
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<a name="l00422"></a>00422         imageTransform-&gt;SetTransformationsL(CImageTransform::EOverlay);
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<a name="l00423"></a>00423         imageTransform-&gt;SetupL();
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<a name="l00424"></a>00424
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<a name="l00425"></a>00425         TUid lRotateUid = {KUidOverlayTransformExtension        };
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<a name="l00426"></a>00426         TInt err = KErrNone;
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<a name="l00427"></a>00427         COverlayTransformExtension* lOverlayExt = <span class="keyword">static_cast&lt;</span>COverlayTransformExtension*<span class="keyword">&gt;</span>(imageTransform-&gt;Extension(lRotateUid, err));
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<a name="l00428"></a>00428         <span class="keywordflow">if</span>(!lOverlayExt)
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<a name="l00429"></a>00429                 {
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<a name="l00430"></a>00430                 User::Leave(err);
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<a name="l00431"></a>00431                 }
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<a name="l00432"></a>00432         <span class="comment">// Set the position</span>
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<a name="l00433"></a>00433         TPoint position(0,0);
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<a name="l00434"></a>00434         lOverlayExt-&gt;SetPosition(position);
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<a name="l00435"></a>00435
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<a name="l00436"></a>00436         <span class="comment">// Set the overlay bitmap</span>
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<a name="l00437"></a>00437         CFbsBitmap* overlayBitmap = <span class="keyword">new</span> (ELeave) CFbsBitmap;
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<a name="l00438"></a>00438         CleanupStack::PushL(overlayBitmap);
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<a name="l00439"></a>00439         User::LeaveIfError(overlayBitmap-&gt;Load(aOverlayFileName));
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<a name="l00440"></a>00440         lOverlayExt-&gt;SetOverlayImageL(*overlayBitmap);
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<a name="l00441"></a>00441
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<a name="l00442"></a>00442
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<a name="l00443"></a>00443         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00444"></a>00444         <span class="comment">// See Note 1</span>
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<a name="l00445"></a>00445         <a class="code" href="class_c_active_listener.html">CActiveListener</a>* activeListener = <a class="code" href="class_c_icl_example.html#6cb9b9dbd3a9e04e6ad4f144e6e2a8d9">CreateAndInitializeActiveListenerLC</a>();
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<a name="l00446"></a>00446
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<a name="l00447"></a>00447         <span class="comment">// Call Transform() function of CImageTransform for image transform operation</span>
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<a name="l00448"></a>00448         imageTransform-&gt;Transform(activeListener-&gt;iStatus);
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<a name="l00449"></a>00449
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<a name="l00450"></a>00450         <span class="comment">// See Note 2</span>
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<a name="l00451"></a>00451         CActiveScheduler::Start();
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<a name="l00452"></a>00452         User::LeaveIfError(activeListener-&gt;iStatus.Int());
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<a name="l00453"></a>00453
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<a name="l00454"></a>00454
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<a name="l00455"></a>00455         CleanupStack::PopAndDestroy(3); <span class="comment">// activeListener, overlay bitmap, imageTransform </span>
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<a name="l00456"></a>00456         }
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<a name="l00457"></a>00457
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</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:32:59 2010 for TB10.1 Example Applications by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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</body>
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</html>
FCL/sftools/depl/docscontent