1 /*

     2  * Name        : Camera.h

     3  * Description : Camera helper class

     4  * Project     : This file is part of OpenMAR, an Open Mobile Augmented Reality browser

     5  * Website     : http://OpenMAR.org

     6  *

     7  * Copyright (c) 2010 David Caabeiro

     8  *

     9  * All rights reserved. This program and the accompanying materials are made available 

    10  * under the terms of the Eclipse Public License v1.0 which accompanies this 

    11  * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html

    12  *

    13  */

    14 

    15 #ifndef CAMERA_H_

    16 #define CAMERA_H_

    17 

    18 #include <ECam.h>

    19 

    20 class CFbsBitmap;

    21 

    22 /**

    23  * @brief Wrapper class over CCamera

    24  * 

    25  * Implemented to use the minimum frame size 

    26  */

    27 class CDigitalCamera : public CBase, 

    28             public MCameraObserver,

    29             public MCameraObserver2

    30 {

    31 public:

    32     class MObserver

    33     {

    34     public:

    35         virtual void CameraReady(TInt aError) = 0;

    36         virtual void CameraFrame(CFbsBitmap& aFrame) = 0;

    37         virtual void FocusReady(TInt aError) = 0;

    38     };

    39 

    40 public:

    41     static CDigitalCamera* NewL(MObserver& aObserver);

    42     ~CDigitalCamera();

    43 

    44 protected:

    45     CDigitalCamera(MObserver& aObserver);

    46     void ConstructL();

    47 

    48 public:

    49     void Start();

    50     void Stop();

    51 

    52     void StartFocus();

    53 

    54     const TSize& ViewportSize() const { return iViewportSize; }

    55 

    56 protected:

    57     // From MCameraObserver

    58     void ReserveComplete(TInt aError);

    59     void PowerOnComplete(TInt aError);

    60     void ViewFinderFrameReady(CFbsBitmap& aFrame);

    61     void ImageReady(CFbsBitmap* aBitmap, HBufC8* aData, TInt aError);

    62     void FrameBufferReady(MFrameBuffer* aFrameBuffer, TInt aError);

    63 

    64     // From MCameraObserver2

    65     void HandleEvent(const TECAMEvent& aEvent);

    66     void ViewFinderReady(MCameraBuffer& aCameraBuffer, TInt aError);

    67     void ImageBufferReady(MCameraBuffer& aCameraBuffer, TInt aError);

    68     void VideoBufferReady(MCameraBuffer& aCameraBuffer, TInt aError);

    69 

    70 private:

    71     MObserver& iObserver;

    72     CCamera* iCamera;

    73     CCamera::CCameraAdvancedSettings* iCameraSetting;

    74     TSize iViewportSize;

    75 };

    76 

    77 #endif