TB9.2 Example Applications: examples/ForumNokia/CameraExample/camerawrapper/epoc32/include/cameraengine.h Source File

00001 /*
+00002 * ============================================================================
+00003 *  Name        : cameraengine.h
+00004 *  Part of     : CameraWrapper
+00005 *  Description : Camera engine class declaration
+00006 *  Version     : %version: 1 %
+00007 *
+00008 *  Copyright (c) 2009 Nokia Corporation.
+00009 *  This material, including documentation and any related
+00010 *  computer programs, is protected by copyright controlled by
+00011 *  Nokia Corporation.
+00012 * ==============================================================================
+00013 */
+00014 
+00015 #ifndef CCAMERAENGINE_H
+00016 #define CCAMERAENGINE_H
+00017 
+00018 // INCLUDES
+00019 #include <e32base.h>
+00020 #include <ecam.h>
+00021 
+00022 // FORWARD DECLARATIONS
+00023 class CCameraEnginePrivate;
+00024 class MCameraEngineObserver;
+00025 class CCameraAdvancedSettings;
+00026 
+00027 NONSHARABLE_CLASS( CCameraEngine ) : public CBase
+00028   {
+00029 public:
+00030 
+00031   enum TCameraEngineState
+00032       {
+00033       EEngineNotReady,
+00034       EEngineIdle,
+00035       EEngineViewFinding,
+00036       EEngineCapturing,
+00037       EEngineFocusing
+00038       };
+00039 
+00040   IMPORT_C static CCameraEngine* NewL( TInt aCameraHandle, 
+00041                                        TInt aPriority, 
+00042                                        MCameraEngineObserver* aObserver );
+00043     IMPORT_C ~CCameraEngine();
+00044   
+00045 public:
+00046 
+00051   IMPORT_C TCameraEngineState State() const;
+00052 
+00057   IMPORT_C TBool IsCameraReady() const;
+00058 
+00062   IMPORT_C TBool IsAutoFocusSupported() const;
+00063   
+00071   IMPORT_C void CaptureL();
+00072   
+00078   IMPORT_C void ReserveAndPowerOn();
+00079 
+00084   IMPORT_C void ReleaseAndPowerOff();
+00085 
+00094   IMPORT_C void PrepareL( TSize& aCaptureSize,               
+00095       CCamera::TFormat aFormat = CCamera::EFormatExif );
+00096       
+00106   IMPORT_C void StartViewFinderL( TSize& aSize );
+00107 
+00111   IMPORT_C void StopViewFinder();
+00112   
+00118   IMPORT_C void ReleaseViewFinderBuffer();
+00119   
+00126   IMPORT_C void ReleaseImageBuffer();
+00127   
+00134   IMPORT_C void StartFocusL();
+00135   
+00139   IMPORT_C void FocusCancel();
+00140 
+00146   IMPORT_C void SupportedFocusRanges( TInt& aSupportedRanges ) const;
+00147   
+00153   IMPORT_C void SetFocusRange( TInt aFocusRange );
+00154   
+00161   IMPORT_C CCamera* Camera();
+00162   
+00170   IMPORT_C CCamera::CCameraAdvancedSettings* AdvancedSettings();
+00171   
+00175   IMPORT_C static TInt CamerasAvailable();
+00176   
+00180   IMPORT_C TInt MaxDigitalZoom();
+00181   
+00185   IMPORT_C TInt DigitalZoom();
+00186   
+00192   IMPORT_C TInt AdjustDigitalZoom( TBool aTele );
+00193   
+00198   IMPORT_C TInt SupportedExposureModes();
+00199   
+00204   IMPORT_C TInt Exposure();
+00205   
+00212   IMPORT_C TInt SetExposure( TInt aExposure );
+00213 
+00218   IMPORT_C TInt SupportedFlashModes();
+00219   
+00224   IMPORT_C TInt Flash();
+00225 
+00232   IMPORT_C TInt SetFlash( TInt aFlash );
+00233 
+00234 protected:
+00235     CCameraEngine();
+00236 
+00237 private:
+00238     CCameraEnginePrivate* iPimpl;
+00239   };
+00240 
+00241 #endif //CCAMERAENGINE_H
+