TB10.1 Example Applications: examples/Multimedia/ICL/ICLExample/iclpanoramaexample.cpp Source File

00001 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
-00002 // All rights reserved.
-00003 // This component and the accompanying materials are made available
-00004 // under the terms of "Eclipse Public License v1.0"
-00005 // which accompanies this distribution, and is available
-00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
-00007 //
-00008 // Initial Contributors:
-00009 // Nokia Corporation - initial contribution.
-00010 //
-00011 // Contributors:
-00012 //
-00013 // Description:
-00014 // The code demonstrates panorama stitching functionality of CIclExample
-00015 //
-00016 
-00017 
-00018 
-00023 #include "iclexample.h"
-00024 #include <panorama/panorama.h>
-00025 
-00026 void CIclExample::BasicPanoramaStitchingL()
-00027         {
-00028         TSize imageSize(1200, 1000);
-00029         
-00030         TDirection direction = EPanoramaDirectionRight;
-00031                 
-00032         //Lens parameters or internal camera characteristics should be available for the 
-00033         //specific camera module in use. Here we use default values.
-00034         TPanoramaLens lens;
-00035                 
-00036         //Create transform. A transform is an approximate offset between each image.
-00037         CPanoramaTransform* panTrans = CPanoramaTransform::NewL();
-00038         CleanupStack::PushL(panTrans);
-00039         
-00040         //Create panorama object.This stitches the individual images together.
-00041         CImagePanorama* panImage = CImagePanorama::NewL();
-00042         CleanupStack::PushL(panImage);
-00043                 
-00044         //Create panorama engine and set the lens and size
-00045         panImage->InitializeL(imageSize, lens, direction);
-00046                 
-00047         //Each file added is provided with an approximate translation. 
-00048         //In this case there are 4 images.
-00049         panTrans->SetTranslationL(TPoint(0, 0), imageSize);
-00050         panImage->AddFileL(KTestFileName1, *panTrans);
-00051                 
-00052         panTrans->SetTranslationL(TPoint(900, -30), imageSize);
-00053         panImage->AddFileL(KTestFileName2, *panTrans);
-00054                 
-00055         panTrans->SetTranslationL(TPoint(900, 60), imageSize);
-00056         panImage->AddFileL(KTestFileName3, *panTrans);
-00057         
-00058         panTrans->SetTranslationL(TPoint(400, -30), imageSize);
-00059         panImage->AddFileL(KTestFileName4, *panTrans);
-00060                 
-00061         //The image size can be obtained before rendering (if required)
-00062         TSize size;
-00063         panImage->CurrentImageSizeL(size);
-00064         
-00065         //view the output image
-00066         panImage->RenderL(KTestBSOutputFileName);
-00067 
-00068         CleanupStack::PopAndDestroy(2); //panTrans, panImage
-00069         }
-00070         
-00071 void CIclExample::ViewFinderImageTrackingL()
-00072         {
-00073         _LIT(KFileOutput, "c:\\ICLExample\\viewfinder%d.mbm");
-00074         _LIT(KFileCapturedImage, "c:\\ICLExample\\pancapture%d.jpg");
-00075         TInt i = 0;
-00076 
-00077         TSize imageSize(1200,1000);
-00078 
-00079     CFbsBitmap* bmp = new (ELeave) CFbsBitmap;
-00080         CleanupStack::PushL(bmp);
-00081 
-00082         // get 1st viewfinder image from camera into bmp (detail excluded)
-00083         
-00084         // ####Begin exclude from OS Library example  
-00085         // (for example purposes we have some prepared viewfinder images on disk)
-00086         TFileName vfFileName;
-00087     vfFileName.Format(KFileOutput(),i);
-00088     User::LeaveIfError(bmp->Load(vfFileName));
-00089         // ####End exclude from OS Library example  
-00090 
-00091         TSize bmpSize = bmp->SizeInPixels();
-00092 
-00093         CPanoramaTransform* panTrans = CPanoramaTransform::NewL();//create panorama transform
-00094         CleanupStack::PushL(panTrans);
-00095 
-00096         CVFTracker* vfTracker = CVFTracker::NewL(); //create VFTracker and load the plugin
-00097         CleanupStack::PushL(vfTracker);
-00098                 
-00099         vfTracker->InitializeL(bmpSize); //Create VFTracker and set size
-00100 
-00101         CImagePanorama* panImage = CImagePanorama::NewL(); //create CImagePanorama object
-00102         CleanupStack::PushL(panImage);
-00103                 
-00104         TDirection direction = EPanoramaDirectionRight; //assign direction
-00105                 
-00106         // Lens parameters or internal camera characteristics should be available for the 
-00107         // specific camera module in use. Here we use default values.
-00108         TPanoramaLens lens;
-00109         panImage->InitializeL(imageSize, lens, direction); //initialise size, lens, direction and create panorama engine
-00110 
-00111         // get the first captured image from the camera as a starting point - its name is given in capturedFileName
-00112         TFileName capturedFileName;
-00113     capturedFileName.Format(KFileCapturedImage(),i);
-00114         panImage->AddFileL(capturedFileName, *panTrans); //add the captured image
-00115 
-00116         do 
-00117                 {
-00118                 // give the next camera viewfinder image to the tracker (details ommitted)
-00119                 vfTracker->RegisterImageL(*bmp, *panTrans); // register viewfinder image
-00120                 
-00121                 // check if we have a good overlap with the previous image
-00122                 if(vfTracker->IsTimeToCapture(direction, KPanoramaDefaultOverlap)) 
-00123                         {
-00124                         // capture the next image from the camera (details ommitted)
-00125                     capturedFileName.Format(KFileCapturedImage(),i);
-00126                         
-00127                         panImage->AddFileL(capturedFileName, *panTrans); //add the captured image
-00128                         vfTracker->Reset(); //reset the VFTracker object
-00129                         }
-00130         
-00131                 // ####Begin exclude from OS Library example  
-00132                 // For example purposes we have some prepared viewfinder images on disk.
-00133                 i += 10;        
-00134                 vfFileName.Format(KFileOutput(),i);
-00135             TInt err = bmp->Load(vfFileName);
-00136                 // ####End exclude from OS Library example  
-00137                 
-00138                 if ( err != KErrNone )  // some termination condition usually a signal from user
-00139                         {
-00140                         // no more viewfinder images
-00141                         break;
-00142                         }
-00143                 }
-00144         while (1);  
-00145                 
-00146         panImage->RenderL(KTestVFTOutputFileName); // render the stitched image
-00147         
-00148         CleanupStack::PopAndDestroy(4,bmp); //panTrans, vfTracker, panImage, bmp
-00149         }
-00150 
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