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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>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">// The code demonstrates panorama stitching functionality of CIclExample</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017
<a name="l00018"></a>00018
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="iclexample_8h.html">iclexample.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <panorama/panorama.h></span>
<a name="l00025"></a>00025
<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>()
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 TSize imageSize(1200, 1000);
<a name="l00029"></a>00029
<a name="l00030"></a>00030 TDirection direction = EPanoramaDirectionRight;
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">//Lens parameters or internal camera characteristics should be available for the </span>
<a name="l00033"></a>00033 <span class="comment">//specific camera module in use. Here we use default values.</span>
<a name="l00034"></a>00034 TPanoramaLens lens;
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="comment">//Create transform. A transform is an approximate offset between each image.</span>
<a name="l00037"></a>00037 CPanoramaTransform* panTrans = CPanoramaTransform::NewL();
<a name="l00038"></a>00038 CleanupStack::PushL(panTrans);
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">//Create panorama object.This stitches the individual images together.</span>
<a name="l00041"></a>00041 CImagePanorama* panImage = CImagePanorama::NewL();
<a name="l00042"></a>00042 CleanupStack::PushL(panImage);
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">//Create panorama engine and set the lens and size</span>
<a name="l00045"></a>00045 panImage->InitializeL(imageSize, lens, direction);
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">//Each file added is provided with an approximate translation. </span>
<a name="l00048"></a>00048 <span class="comment">//In this case there are 4 images.</span>
<a name="l00049"></a>00049 panTrans->SetTranslationL(TPoint(0, 0), imageSize);
<a name="l00050"></a>00050 panImage->AddFileL(KTestFileName1, *panTrans);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 panTrans->SetTranslationL(TPoint(900, -30), imageSize);
<a name="l00053"></a>00053 panImage->AddFileL(KTestFileName2, *panTrans);
<a name="l00054"></a>00054
<a name="l00055"></a>00055 panTrans->SetTranslationL(TPoint(900, 60), imageSize);
<a name="l00056"></a>00056 panImage->AddFileL(KTestFileName3, *panTrans);
<a name="l00057"></a>00057
<a name="l00058"></a>00058 panTrans->SetTranslationL(TPoint(400, -30), imageSize);
<a name="l00059"></a>00059 panImage->AddFileL(KTestFileName4, *panTrans);
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="comment">//The image size can be obtained before rendering (if required)</span>
<a name="l00062"></a>00062 TSize size;
<a name="l00063"></a>00063 panImage->CurrentImageSizeL(size);
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment">//view the output image</span>
<a name="l00066"></a>00066 panImage->RenderL(KTestBSOutputFileName);
<a name="l00067"></a>00067
<a name="l00068"></a>00068 CleanupStack::PopAndDestroy(2); <span class="comment">//panTrans, panImage</span>
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<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>()
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 _LIT(KFileOutput, <span class="stringliteral">"c:\\ICLExample\\viewfinder%d.mbm"</span>);
<a name="l00074"></a>00074 _LIT(KFileCapturedImage, <span class="stringliteral">"c:\\ICLExample\\pancapture%d.jpg"</span>);
<a name="l00075"></a>00075 TInt i = 0;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 TSize imageSize(1200,1000);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 CFbsBitmap* bmp = <span class="keyword">new</span> (ELeave) CFbsBitmap;
<a name="l00080"></a>00080 CleanupStack::PushL(bmp);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="comment">// get 1st viewfinder image from camera into bmp (detail excluded)</span>
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="comment">// ####Begin exclude from OS Library example </span>
<a name="l00085"></a>00085 <span class="comment">// (for example purposes we have some prepared viewfinder images on disk)</span>
<a name="l00086"></a>00086 TFileName vfFileName;
<a name="l00087"></a>00087 vfFileName.Format(KFileOutput(),i);
<a name="l00088"></a>00088 User::LeaveIfError(bmp->Load(vfFileName));
<a name="l00089"></a>00089 <span class="comment">// ####End exclude from OS Library example </span>
<a name="l00090"></a>00090
<a name="l00091"></a>00091 TSize bmpSize = bmp->SizeInPixels();
<a name="l00092"></a>00092
<a name="l00093"></a>00093 CPanoramaTransform* panTrans = CPanoramaTransform::NewL();<span class="comment">//create panorama transform</span>
<a name="l00094"></a>00094 CleanupStack::PushL(panTrans);
<a name="l00095"></a>00095
<a name="l00096"></a>00096 CVFTracker* vfTracker = CVFTracker::NewL(); <span class="comment">//create VFTracker and load the plugin</span>
<a name="l00097"></a>00097 CleanupStack::PushL(vfTracker);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 vfTracker->InitializeL(bmpSize); <span class="comment">//Create VFTracker and set size</span>
<a name="l00100"></a>00100
<a name="l00101"></a>00101 CImagePanorama* panImage = CImagePanorama::NewL(); <span class="comment">//create CImagePanorama object</span>
<a name="l00102"></a>00102 CleanupStack::PushL(panImage);
<a name="l00103"></a>00103
<a name="l00104"></a>00104 TDirection direction = EPanoramaDirectionRight; <span class="comment">//assign direction</span>
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="comment">// Lens parameters or internal camera characteristics should be available for the </span>
<a name="l00107"></a>00107 <span class="comment">// specific camera module in use. Here we use default values.</span>
<a name="l00108"></a>00108 TPanoramaLens lens;
<a name="l00109"></a>00109 panImage->InitializeL(imageSize, lens, direction); <span class="comment">//initialise size, lens, direction and create panorama engine</span>
<a name="l00110"></a>00110
<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>
<a name="l00112"></a>00112 TFileName capturedFileName;
<a name="l00113"></a>00113 capturedFileName.Format(KFileCapturedImage(),i);
<a name="l00114"></a>00114 panImage->AddFileL(capturedFileName, *panTrans); <span class="comment">//add the captured image</span>
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordflow">do</span>
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 <span class="comment">// give the next camera viewfinder image to the tracker (details ommitted)</span>
<a name="l00119"></a>00119 vfTracker->RegisterImageL(*bmp, *panTrans); <span class="comment">// register viewfinder image</span>
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="comment">// check if we have a good overlap with the previous image</span>
<a name="l00122"></a>00122 <span class="keywordflow">if</span>(vfTracker->IsTimeToCapture(direction, KPanoramaDefaultOverlap))
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="comment">// capture the next image from the camera (details ommitted)</span>
<a name="l00125"></a>00125 capturedFileName.Format(KFileCapturedImage(),i);
<a name="l00126"></a>00126
<a name="l00127"></a>00127 panImage->AddFileL(capturedFileName, *panTrans); <span class="comment">//add the captured image</span>
<a name="l00128"></a>00128 vfTracker->Reset(); <span class="comment">//reset the VFTracker object</span>
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="comment">// ####Begin exclude from OS Library example </span>
<a name="l00132"></a>00132 <span class="comment">// For example purposes we have some prepared viewfinder images on disk.</span>
<a name="l00133"></a>00133 i += 10;
<a name="l00134"></a>00134 vfFileName.Format(KFileOutput(),i);
<a name="l00135"></a>00135 TInt err = bmp->Load(vfFileName);
<a name="l00136"></a>00136 <span class="comment">// ####End exclude from OS Library example </span>
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keywordflow">if</span> ( err != KErrNone ) <span class="comment">// some termination condition usually a signal from user</span>
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 <span class="comment">// no more viewfinder images</span>
<a name="l00141"></a>00141 <span class="keywordflow">break</span>;
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144 <span class="keywordflow">while</span> (1);
<a name="l00145"></a>00145
<a name="l00146"></a>00146 panImage->RenderL(KTestVFTOutputFileName); <span class="comment">// render the stitched image</span>
<a name="l00147"></a>00147
<a name="l00148"></a>00148 CleanupStack::PopAndDestroy(4,bmp); <span class="comment">//panTrans, vfTracker, panImage, bmp</span>
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
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