examples/ForumNokia/CameraExample/camerawrapper/epoc32/include/cameraengine.h

/*
* ============================================================================
*  Name        : cameraengine.h
*  Part of     : CameraWrapper
*  Description : Camera engine class declaration
*  Version     : %version: bh1sosd4#2 %
*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
* ==============================================================================
*/

#ifndef CCAMERAENGINE_H
#define CCAMERAENGINE_H

// INCLUDES
#include <e32base.h>
#include <ecam.h>

// FORWARD DECLARATIONS
class CCameraEnginePrivate;
class MCameraEngineObserver;
class CCameraAdvancedSettings;

NONSHARABLE_CLASS( CCameraEngine ) : public CBase
  {
public:

  enum TCameraEngineState
      {
      EEngineNotReady,
      EEngineIdle,
      EEngineViewFinding,
      EEngineCapturing,
      EEngineFocusing
      };

  IMPORT_C static CCameraEngine* NewL( TInt aCameraHandle, 
                                       TInt aPriority, 
                                       MCameraEngineObserver* aObserver );
    IMPORT_C ~CCameraEngine();
  
public:

  IMPORT_C TCameraEngineState State() const;

  IMPORT_C TBool IsCameraReady() const;

  IMPORT_C TBool IsAutoFocusSupported() const;
  
  IMPORT_C void CaptureL();
  
  IMPORT_C void ReserveAndPowerOn();

  IMPORT_C void ReleaseAndPowerOff();

  IMPORT_C void PrepareL( TSize& aCaptureSize,               
      CCamera::TFormat aFormat = CCamera::EFormatExif );
      
  IMPORT_C void StartViewFinderL( TSize& aSize );

  IMPORT_C void StopViewFinder();
  
  IMPORT_C void ReleaseViewFinderBuffer();
  
  IMPORT_C void ReleaseImageBuffer();
  
  IMPORT_C void StartFocusL();
  
  IMPORT_C void FocusCancel();

  IMPORT_C void SupportedFocusRanges( TInt& aSupportedRanges ) const;
  
  IMPORT_C void SetFocusRange( TInt aFocusRange );
  
  IMPORT_C CCamera* Camera();
  
  IMPORT_C CCamera::CCameraAdvancedSettings* AdvancedSettings();
  
  IMPORT_C static TInt CamerasAvailable();
  
  IMPORT_C TInt MaxDigitalZoom();
  
  IMPORT_C TInt DigitalZoom();
  
  IMPORT_C TInt AdjustDigitalZoom( TBool aTele );
  
  IMPORT_C TInt SupportedExposureModes();
  
  IMPORT_C TInt Exposure();
  
  IMPORT_C TInt SetExposure( TInt aExposure );

  IMPORT_C TInt SupportedFlashModes();
  
  IMPORT_C TInt Flash();

  IMPORT_C TInt SetFlash( TInt aFlash );

protected:
    CCameraEngine();

private:
    CCameraEnginePrivate* iPimpl;
  };

#endif //CCAMERAENGINE_H

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