MeVisLab/Standard/Sources/Inventor/SoView2D/View2DPosition.h

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#ifndef __View2DPosition_H
#define __View2DPosition_H
//----------------------------------------------------------------------------------
// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------

#include "XVEnterScope.h"
#include <Inventor/SbLinear.h>
#include "XVLeaveScope.h"

#ifndef __SoView2DSystem_H
#include "SoView2DSystem.h"
#endif
#ifndef __SoSFMLImage_H
#include "SoSFMLImage.h"
#endif

class SoView2D;
class View2DSliceList;

class SOVIEW2D_API View2DPosition
{
public:
  View2DPosition(SoView2D* viewer = NULL);
  ~View2DPosition() {}

  SbVec2f getDevicePosition() const { return _relPos;   }

  SbVec3f getVoxelPosition() const    { return _voxelPos; }
  
  SbVec2f getViewportOrigin() const   { return _vpOrigin; }
  SbVec2f getViewportSize() const     { return _vpSize;   }

  SoSFMLImage& getImage() const;
  
  SoView2D* getViewer() const         { return _viewer;   }
  
  View2DSliceList* getSliceList() const;

  void mapVoxelToWorld (const SbVec3f &src, SbVec3f &dst) const { getImage().mapVoxelToWorld (src, dst); }

  void mapWorldToVoxel (const SbVec3f &src, SbVec3f &dst) const { getImage().mapWorldToVoxel (src, dst); }

  bool isInsideImage() const;

  bool isInsideViewport() const;

  SbVec3f getWorldPosition() const;

protected:
  // change methods are implemented in MutableView2DPosition in SoView2D.cpp
  SbVec2f _relPos;
  SbVec3f _voxelPos;
  SbVec2f _vpOrigin;
  SbVec2f _vpSize;
private:
  SoView2D* _viewer;
};

#endif