View2DPosition.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 

 
#pragma once
 
#include <Inventor/SbLinear.h>
 
#include "SoView2DSystem.h"
#include "SoSFMLImage.h"
 
class SoView2D;
class View2DSliceList;

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