SoCSODrawOnSurface.h

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/*************************************************************************************
**
** Copyright 2016, 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 "SoCSOIncludes.h"
#include "SoCSOSystem.h"
 
#include <SoInteractionNode.h>
#include <Inventor/sensors/SoFieldSensor.h>
 
class SoCSODrawOnSurfaceDrawAction;
class SoCSODrawOnSurfaceCancelCommandAction;
class SoCSODrawOnSurfaceUndoCommandAction;
class SoCSODrawOnSurfaceRedoCommandAction;
 
class SOCSO_EXPORT SoCSODrawOnSurface : public SoInteractionNode
{
  SO_NODE_HEADER(SoCSODrawOnSurface);
 
public:
 
  SoCSODrawOnSurface();
  static void initClass();
 
  SoSFMLBase inCSOList;
  SoSFBool editingOn;
  SoSFBool isEditing;
  SoSFEnum modifierKey;
  SoSFEnum cursorShapeDraw;
  SoSFFloat pointsPerMM;
  SoSFFloat elevation;
  SoSFBool shouldDiscardSingleClicks;
 
  bool hasCSOList() const { return _csoList != nullptr; }
 
private:
 
  void cancel();
  void undo();
  void redo();
 
  void startPressAt(const SoPointerPosition& pos);
  void dragMoveTo(const SoPointerPosition& pos);
  void endPress();
 
  void inCSOListCB(SoField*);
  void editingOnCB(SoField*);
  void modifierKeyCB(SoField*);
 
  void enableCancel();
  void disableCancel();
  void updateActionsEnabled();
 
  bool isEditingOn() const { return editingOn.getValue() == TRUE; }
 
  void appendSeedPointToCurrentCSO(const SoPointerPosition& pos);
  void storeCurrentPosition(const SoPointerPosition& pos);
  void handleSingleClickCSO();
  void interpolate();
  double getPointsPerMM();
  void update();
  void finish();
 
  ml::CSOList* _csoList;
  ml::CSO* _currentCSO;
  SbVec3f _currentPosition;
 
  SoCSODrawOnSurfaceDrawAction* _drawAction;
  SoCSODrawOnSurfaceCancelCommandAction* _cancelAction;
  SoCSODrawOnSurfaceUndoCommandAction* _undoAction;
  SoCSODrawOnSurfaceRedoCommandAction* _redoAction;
 
  friend class SoCSODrawOnSurfaceDrawAction;
  friend class SoCSODrawOnSurfaceCancelCommandAction;
  friend class SoCSODrawOnSurfaceUndoCommandAction;
  friend class SoCSODrawOnSurfaceRedoCommandAction;
};