1 /*

     2  * Name        : Overlay.h

     3  * Description : 

     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 OVERLAY_H_

    16 #define OVERLAY_H_

    17 

    18 #include <e32base.h>

    19 #include <GLES/egl.h>

    20 

    21 #include "POIOverlay.h"

    22 

    23 #include "Matrix4d.h"

    24 #include "Position.h"

    25 

    26 class RWindow;

    27 class CWsBitmap;

    28 

    29 class CAccelerometer;

    30 class CMagnetometer;

    31 class CAutoRotation;

    32 class CManager;

    33 

    34 /**

    35  * @brief Points of interest overlay

    36  * 

    37  * Uses orientation and position to request POIs around the current location 

    38  */

    39 class COverlay : public OpenMAR::CPOIOverlay,

    40             public MPositionObserver

    41 {

    42 public:

    43     static COverlay* NewL(SParameter& aParameter);

    44     ~COverlay();

    45 

    46 protected:

    47     COverlay(SParameter& aParameter);

    48     void ConstructL();

    49 

    50 public:

    51     void StartL();

    52     void Stop();

    53     const CFbsBitmap& RenderScene();

    54 

    55 protected:

    56     // From MPositionObserver

    57     void PositionUpdateL(TInt aError, const TPosition& aPosition);

    58 

    59 public:

    60     TInt GetFocusedPOI();

    61 

    62 private:

    63     CPosition* iPosition;

    64     CAccelerometer* iAccelerometer;

    65     CMagnetometer* iMagnetometer;

    66     CAutoRotation* iAutoRotation;

    67 

    68     CManager* iManager;

    69 

    70 private:

    71     RWindow& iWindow;

    72     TRect iRect;

    73 

    74     EGLDisplay  iEglDisplay;

    75     EGLSurface  iEglSurface;

    76     EGLConfig   iConfig;

    77     EGLContext  iEglContext;

    78 

    79     CWsBitmap*  iPixmap;

    80 

    81 private:

    82     Matrix4d iProjection;

    83     Matrix4d iModelView;

    84 };

    85 

    86 #endif  // OVERLAY_H_