OSGCamera.h

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 * This library is free software; you can redistribute it and/or modify it   *
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#ifndef _OSGCAMERA_H_
#define _OSGCAMERA_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGConfig.h>

#include <OSGMatrix.h>
#include <OSGFrustumVolume.h>

#include <OSGCameraBase.h>

OSG_BEGIN_NAMESPACE

class Viewport;
class DrawAction;
class DrawActionBase;
class FrustumVolume;
class Line;

class OSG_SYSTEMLIB_DLLMAPPING Camera : public CameraBase
{
     /*==========================  PUBLIC  =================================*/
 public:

    /*---------------------------------------------------------------------*/
    static const char *getClassname(void) { return "Camera"; };

    /*---------------------------------------------------------------------*/
    virtual void changed(BitVector  whichField, 
                         UInt32     origin    );

    /*---------------------------------------------------------------------*/
    virtual void setup          (DrawActionBase *action, const Viewport& port);

    virtual void setupProjection(DrawActionBase *action, const Viewport& port);

    virtual void draw           (DrawAction     *action, const Viewport& port);

    /*---------------------------------------------------------------------*/
    virtual void getProjection           (Matrix        &result, 
                                          UInt32 width, UInt32 height);

    virtual void getProjectionTranslation(Matrix        &result, 
                                          UInt32 width, UInt32 height);

    virtual void getViewing              (Matrix        &result, 
                                          UInt32 width, UInt32 height);

    virtual void getFrustum              (FrustumVolume &result,
                                          const Viewport& port);
     
    virtual void getWorldToScreen        (Matrix        &result, 
                                          const Viewport& port);

    /*---------------------------------------------------------------------*/
    bool calcViewRay(Line & line, Int32 x, Int32 y, const Viewport& port);

    /*---------------------------------------------------------------------*/
    virtual void dump(      UInt32    uiIndent = 0, 
                      const BitVector bvFlags  = 0) const;

    /*=========================  PROTECTED  ===============================*/
 protected:

    /*---------------------------------------------------------------------*/
    Camera(void);
    Camera(const Camera &source);
   
    /*---------------------------------------------------------------------*/
    virtual ~Camera(void); 
    
 
    /*==========================  PRIVATE  ================================*/
 private:
 
    typedef CameraBase Inherited;

    friend class FieldContainer;
    friend class CameraBase;

    static void initMethod( void );

    void operator =(const Camera &source);
};

//---------------------------------------------------------------------------
//   Exported Types
//---------------------------------------------------------------------------

typedef Camera *CameraP;

OSG_END_NAMESPACE

#include <OSGCameraBase.inl>
#include <OSGCamera.inl>

#define OSGCAMERA_HEADER_CVSID "@(#)$Id: FCTemplate_h.h,v 1.15 2002/06/01 10:37:25 vossg Exp $"

#endif /* _OSGCAMERA_H_ */

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