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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/iclpanoramaexample_8cpp-source.html
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Tue, 30 Mar 2010 11:42:04 +0100
changeset 4 4816d766a08a
parent 1 25a17d01db0c
permissions -rw-r--r--
Week 12 contribution of SDK documentation_content. See release notes for details. Fixes Bug 1892, Bug 1522, Bug 1520, Bug 394, Bug 1319, Bug 344, Bug 1897
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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/iclpanoramaexample.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/iclpanoramaexample.cpp</h1><a href="iclpanoramaexample_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">// The code demonstrates panorama stitching functionality of CIclExample</span>
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<a name="l00015"></a>00015 <span class="comment">//</span>
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<a name="l00016"></a>00016
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<a name="l00017"></a>00017
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<a name="l00018"></a>00018
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<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="iclexample_8h.html">iclexample.h</a>"</span>
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<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;panorama/panorama.h&gt;</span>
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<a name="l00025"></a>00025
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<a name="l00026"></a><a class="code" href="class_c_icl_example.html#0d1ba39bdcc34903e36f3a68e5073dd1">00026</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#0d1ba39bdcc34903e36f3a68e5073dd1">CIclExample::BasicPanoramaStitchingL</a>()
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<a name="l00027"></a>00027         {
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<a name="l00028"></a>00028         TSize imageSize(1200, 1000);
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<a name="l00029"></a>00029
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<a name="l00030"></a>00030         TDirection direction = EPanoramaDirectionRight;
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032         <span class="comment">//Lens parameters or internal camera characteristics should be available for the </span>
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<a name="l00033"></a>00033         <span class="comment">//specific camera module in use. Here we use default values.</span>
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<a name="l00034"></a>00034         TPanoramaLens lens;
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<a name="l00035"></a>00035
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<a name="l00036"></a>00036         <span class="comment">//Create transform. A transform is an approximate offset between each image.</span>
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<a name="l00037"></a>00037         CPanoramaTransform* panTrans = CPanoramaTransform::NewL();
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<a name="l00038"></a>00038         CleanupStack::PushL(panTrans);
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<a name="l00039"></a>00039
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<a name="l00040"></a>00040         <span class="comment">//Create panorama object.This stitches the individual images together.</span>
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<a name="l00041"></a>00041         CImagePanorama* panImage = CImagePanorama::NewL();
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<a name="l00042"></a>00042         CleanupStack::PushL(panImage);
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044         <span class="comment">//Create panorama engine and set the lens and size</span>
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<a name="l00045"></a>00045         panImage-&gt;InitializeL(imageSize, lens, direction);
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<a name="l00046"></a>00046
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<a name="l00047"></a>00047         <span class="comment">//Each file added is provided with an approximate translation. </span>
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<a name="l00048"></a>00048         <span class="comment">//In this case there are 4 images.</span>
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<a name="l00049"></a>00049         panTrans-&gt;SetTranslationL(TPoint(0, 0), imageSize);
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<a name="l00050"></a>00050         panImage-&gt;AddFileL(KTestFileName1, *panTrans);
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<a name="l00051"></a>00051
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<a name="l00052"></a>00052         panTrans-&gt;SetTranslationL(TPoint(900, -30), imageSize);
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<a name="l00053"></a>00053         panImage-&gt;AddFileL(KTestFileName2, *panTrans);
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<a name="l00054"></a>00054
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<a name="l00055"></a>00055         panTrans-&gt;SetTranslationL(TPoint(900, 60), imageSize);
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<a name="l00056"></a>00056         panImage-&gt;AddFileL(KTestFileName3, *panTrans);
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058         panTrans-&gt;SetTranslationL(TPoint(400, -30), imageSize);
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<a name="l00059"></a>00059         panImage-&gt;AddFileL(KTestFileName4, *panTrans);
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061         <span class="comment">//The image size can be obtained before rendering (if required)</span>
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<a name="l00062"></a>00062         TSize size;
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<a name="l00063"></a>00063         panImage-&gt;CurrentImageSizeL(size);
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<a name="l00064"></a>00064
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<a name="l00065"></a>00065         <span class="comment">//view the output image</span>
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<a name="l00066"></a>00066         panImage-&gt;RenderL(KTestBSOutputFileName);
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<a name="l00067"></a>00067
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<a name="l00068"></a>00068         CleanupStack::PopAndDestroy(2); <span class="comment">//panTrans, panImage</span>
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<a name="l00069"></a>00069         }
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<a name="l00070"></a>00070
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<a name="l00071"></a><a class="code" href="class_c_icl_example.html#9e85580d3fd8c310004d3175209eaf70">00071</a> <span class="keywordtype">void</span> <a class="code" href="class_c_icl_example.html#9e85580d3fd8c310004d3175209eaf70">CIclExample::ViewFinderImageTrackingL</a>()
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<a name="l00072"></a>00072         {
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<a name="l00073"></a>00073         _LIT(KFileOutput, <span class="stringliteral">"c:\\ICLExample\\viewfinder%d.mbm"</span>);
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<a name="l00074"></a>00074         _LIT(KFileCapturedImage, <span class="stringliteral">"c:\\ICLExample\\pancapture%d.jpg"</span>);
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<a name="l00075"></a>00075         TInt i = 0;
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<a name="l00076"></a>00076
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<a name="l00077"></a>00077         TSize imageSize(1200,1000);
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<a name="l00078"></a>00078
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<a name="l00079"></a>00079     CFbsBitmap* bmp = <span class="keyword">new</span> (ELeave) CFbsBitmap;
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<a name="l00080"></a>00080         CleanupStack::PushL(bmp);
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<a name="l00081"></a>00081
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<a name="l00082"></a>00082         <span class="comment">// get 1st viewfinder image from camera into bmp (detail excluded)</span>
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<a name="l00083"></a>00083
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<a name="l00084"></a>00084         <span class="comment">// ####Begin exclude from OS Library example  </span>
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<a name="l00085"></a>00085         <span class="comment">// (for example purposes we have some prepared viewfinder images on disk)</span>
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<a name="l00086"></a>00086         TFileName vfFileName;
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<a name="l00087"></a>00087     vfFileName.Format(KFileOutput(),i);
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<a name="l00088"></a>00088     User::LeaveIfError(bmp-&gt;Load(vfFileName));
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<a name="l00089"></a>00089         <span class="comment">// ####End exclude from OS Library example  </span>
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<a name="l00090"></a>00090
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<a name="l00091"></a>00091         TSize bmpSize = bmp-&gt;SizeInPixels();
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<a name="l00092"></a>00092
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<a name="l00093"></a>00093         CPanoramaTransform* panTrans = CPanoramaTransform::NewL();<span class="comment">//create panorama transform</span>
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<a name="l00094"></a>00094         CleanupStack::PushL(panTrans);
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<a name="l00095"></a>00095
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<a name="l00096"></a>00096         CVFTracker* vfTracker = CVFTracker::NewL(); <span class="comment">//create VFTracker and load the plugin</span>
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<a name="l00097"></a>00097         CleanupStack::PushL(vfTracker);
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<a name="l00098"></a>00098
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<a name="l00099"></a>00099         vfTracker-&gt;InitializeL(bmpSize); <span class="comment">//Create VFTracker and set size</span>
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<a name="l00100"></a>00100
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<a name="l00101"></a>00101         CImagePanorama* panImage = CImagePanorama::NewL(); <span class="comment">//create CImagePanorama object</span>
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<a name="l00102"></a>00102         CleanupStack::PushL(panImage);
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<a name="l00103"></a>00103
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<a name="l00104"></a>00104         TDirection direction = EPanoramaDirectionRight; <span class="comment">//assign direction</span>
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<a name="l00105"></a>00105
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<a name="l00106"></a>00106         <span class="comment">// Lens parameters or internal camera characteristics should be available for the </span>
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<a name="l00107"></a>00107         <span class="comment">// specific camera module in use. Here we use default values.</span>
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<a name="l00108"></a>00108         TPanoramaLens lens;
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<a name="l00109"></a>00109         panImage-&gt;InitializeL(imageSize, lens, direction); <span class="comment">//initialise size, lens, direction and create panorama engine</span>
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<a name="l00110"></a>00110
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<a name="l00111"></a>00111         <span class="comment">// get the first captured image from the camera as a starting point - its name is given in capturedFileName</span>
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<a name="l00112"></a>00112         TFileName capturedFileName;
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<a name="l00113"></a>00113     capturedFileName.Format(KFileCapturedImage(),i);
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<a name="l00114"></a>00114         panImage-&gt;AddFileL(capturedFileName, *panTrans); <span class="comment">//add the captured image</span>
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<a name="l00115"></a>00115
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<a name="l00116"></a>00116         <span class="keywordflow">do</span>
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<a name="l00117"></a>00117                 {
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<a name="l00118"></a>00118                 <span class="comment">// give the next camera viewfinder image to the tracker (details ommitted)</span>
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<a name="l00119"></a>00119                 vfTracker-&gt;RegisterImageL(*bmp, *panTrans); <span class="comment">// register viewfinder image</span>
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<a name="l00120"></a>00120
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<a name="l00121"></a>00121                 <span class="comment">// check if we have a good overlap with the previous image</span>
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<a name="l00122"></a>00122                 <span class="keywordflow">if</span>(vfTracker-&gt;IsTimeToCapture(direction, KPanoramaDefaultOverlap))
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<a name="l00123"></a>00123                         {
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<a name="l00124"></a>00124                         <span class="comment">// capture the next image from the camera (details ommitted)</span>
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<a name="l00125"></a>00125                     capturedFileName.Format(KFileCapturedImage(),i);
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<a name="l00126"></a>00126
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<a name="l00127"></a>00127                         panImage-&gt;AddFileL(capturedFileName, *panTrans); <span class="comment">//add the captured image</span>
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<a name="l00128"></a>00128                         vfTracker-&gt;Reset(); <span class="comment">//reset the VFTracker object</span>
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<a name="l00129"></a>00129                         }
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<a name="l00130"></a>00130
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<a name="l00131"></a>00131                 <span class="comment">// ####Begin exclude from OS Library example  </span>
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<a name="l00132"></a>00132                 <span class="comment">// For example purposes we have some prepared viewfinder images on disk.</span>
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<a name="l00133"></a>00133                 i += 10;
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<a name="l00134"></a>00134                 vfFileName.Format(KFileOutput(),i);
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<a name="l00135"></a>00135             TInt err = bmp-&gt;Load(vfFileName);
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<a name="l00136"></a>00136                 <span class="comment">// ####End exclude from OS Library example  </span>
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<a name="l00137"></a>00137
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<a name="l00138"></a>00138                 <span class="keywordflow">if</span> ( err != KErrNone )  <span class="comment">// some termination condition usually a signal from user</span>
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<a name="l00139"></a>00139                         {
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<a name="l00140"></a>00140                         <span class="comment">// no more viewfinder images</span>
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<a name="l00141"></a>00141                         <span class="keywordflow">break</span>;
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<a name="l00142"></a>00142                         }
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<a name="l00143"></a>00143                 }
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<a name="l00144"></a>00144         <span class="keywordflow">while</span> (1);
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<a name="l00145"></a>00145
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<a name="l00146"></a>00146         panImage-&gt;RenderL(KTestVFTOutputFileName); <span class="comment">// render the stitched image</span>
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<a name="l00147"></a>00147
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<a name="l00148"></a>00148         CleanupStack::PopAndDestroy(4,bmp); <span class="comment">//panTrans, vfTracker, panImage, bmp</span>
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<a name="l00149"></a>00149         }
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<a name="l00150"></a>00150
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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