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IgOIVBrowser.h

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#ifndef IG_SOCKET_DRIVER_IG_OIV_BROWSER_H
# define IG_SOCKET_DRIVER_IG_OIV_BROWSER_H

//<<<<<< INCLUDES                                                       >>>>>>

# include "Iguana/GLModels/interface/config.h"
# include "Iguana/Framework/interface/IgBrowser.h"
# include <qcstring.h>
# include <Inventor/SbViewportRegion.h>
# include <Inventor/SbLinear.h>
# include <Inventor/SbTime.h>
# include <Inventor/SoType.h>

//<<<<<< PUBLIC DEFINES                                                 >>>>>>
//<<<<<< PUBLIC CONSTANTS                                               >>>>>>
//<<<<<< PUBLIC TYPES                                                   >>>>>>

class IgSite;
class IgState;
class Ig3DBaseModel;
class SoCamera;
class SoGroup;
class SoOffscreenRenderer;
class SbSphereSheetProjector;
class SoPerspectiveCamera;
class SoOrthographicCamera;


//<<<<<< PUBLIC VARIABLES                                               >>>>>>
//<<<<<< PUBLIC FUNCTIONS                                               >>>>>>
//<<<<<< CLASS DECLARATIONS                                             >>>>>>

class IGUANA_GL_MODELS_API IgOIVBrowser : public IgBrowser
{
public:
    static const char *         catalogLabel (void);    
    static const int MOUSEPOSLOGSIZE = 16;

    IgOIVBrowser (IgState *state,
                  IgSite *site,
                  Ig3DBaseModel *model = 0);
    ~IgOIVBrowser (void);
    
    virtual void                viewAll (void);
    virtual SoCamera *          getCamera (void);
    virtual void                setCamera (void);
    QByteArray                  getBuffer (void);
    QByteArray                  getJPGBuffer (void);
    QByteArray                  getIV (void);
    virtual void                browse (IgRepresentable *rep);

    virtual void                moveCameraScreen (const SbVec2f &screenpos);    
    virtual void                spin (const SbVec2f & pointerpos);
    virtual void                zoom (const float diffValue);    
    void                        clearLog (void);
    void                        addToLog (const SbVec2f pos, const SbTime time);
    void                        reorientCamera (const SbRotation &r);
    const SbViewportRegion &    viewRegion (void);
    const SbViewportRegion &    renderRegion (void);
    void                        setCameraType (SoType t);    
    void                        toggleCameraType (void);
    void                        saveHomePosition (void);
    void                        replaceCamera (SoCamera *cam);
    

    static void                 convertOrtho2Perspective (const SoOrthographicCamera * in,
                                                          SoPerspectiveCamera *out);
    static void                 convertPerspective2Ortho (const SoPerspectiveCamera * in,
                                                          SoOrthographicCamera * out);
    // implicit copy constructor
    // implicit assignment operator
    // implicit destructor

    
    SbVec2f                             m_lastMousePosition;
    SbPlane                             m_panningPlane;
    SbBool                              m_spinAnimatingAllowed;
    SbVec2f                             m_lastSpinPosition;
    int                                 m_spinSampleCounter;
    SbRotation                          m_spinIncrement;
    SbSphereSheetProjector *            m_spinProjector;

    SbRotation                          m_spinRotation;

    struct { // tracking mouse movement in a log
        short size;
        short historysize;
        SbVec2f * position;
        SbTime * time;
    }                                   m_log;

    // The Microsoft Visual C++ v6.0 compiler needs a name on this class
    // to be able to generate a constructor (which it wants to have for
    // running the the SbVec2s constructors). So don't try to be clever
    // and make it anonymous.
    struct Pointer {
        SbVec2s now, then;
    }                                   m_pointer;

    SbBool                              m_button1down;
    SbBool                              m_button3down;
    SbBool                              m_ctrldown, m_shiftdown;
    SbTime                              m_prevRedrawTime;
protected:
    static IgState *            initialise (IgState *state);    
private:
    IgSite *                    m_site;
    IgState *                   m_state;
    Ig3DBaseModel *             m_model;
    SoGroup *                   m_topLevelGroup;
    SoCamera *                  m_camera;
    SoType                      m_cameraType;    
    SbViewportRegion            m_renderRegion;
    SbViewportRegion            m_viewRegion;
    // FIXME: offscreen renderer should be a service so that different
    // browsers do not create multiple opengl contextes.
    SoOffscreenRenderer *       m_renderer;  
    bool                        m_deleteCamera;    
    SoCamera *                  m_storedCamera;    
};

//<<<<<< INLINE PUBLIC FUNCTIONS                                        >>>>>>
//<<<<<< INLINE MEMBER FUNCTIONS                                        >>>>>>

#endif // IG_SOCKET_DRIVER_IG_OIV_BROWSER_H

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