SoCSOLiveWireEditor.h

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/*************************************************************************************
**
** Copyright 2013, 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 <SoView2DCSOEditor/SoView2DCSOExtensibleEditor/SoCSOLineCreatorEditorExtension.h>
#include <SoSFMLImage.h>
#include <CSOTools/CSOLiveWireGraph.h>


class SOCSO_EXPORT SoCSOLiveWireEditor : public SoCSOLineCreatorEditorExtension
{
  SO_NODE_HEADER(SoCSOLiveWireEditor);
 
public:

  SoCSOLiveWireEditor();
  ~SoCSOLiveWireEditor() override;

  static void initClass();

  SoSFEnum doubleClickMode;
  SoSFMLImage inputImage;
  SoSFEnum neighborhoodMode;
  SoSFBool useLaplacianSmoothing;
  SoSFInt32 numLaplacianSmoothingPasses;
  SoSFBool inputImageIsCostImage;
  SoSFFloat weightGradient;
  SoSFFloat weightLaplacian;
  SoSFFloat weightDirectional;
 
  void createStartPressAt(const SoPointerPosition& pos) override;
 
  void createNewCSO( const SoPointerPosition& pos );
  void createDragMoveTo(const SoPointerPosition& pos) override;
  bool createEndPress(int clickCount) override;
  void pointerPositionIfAllowedAt(const SoPointerPosition& pos) override;
 
  void pointerPosition(const SoPointerPosition&) override;
 
  void selectAndMoveStartPressAt(const SoPointerPosition& pos) override;
  void selectAndMoveDragMoveTo(const SoPointerPosition& pos) override;
  SoPointingAction* selectAndMoveEndPress(int clickCount) override;
 
  void insertSeedPointStartPressAt(const SoPointerPosition& pos) override;
  void insertSeedPointDragMoveTo(const SoPointerPosition& pos) override;
  SoPointingAction* insertSeedPointEndPress(int clickCount) override;
 
  int cursorShape() const override { return _cursorShape; }
 
  bool deleteSeedPoint(ml::CSO* cso, ml::CSOSeedPoint* seedPoint) override;
 
  void cancel() override;
 
  void initMembers() override;
 
protected:
 
  ml::Vector3 getCurrentPositon(const SoPointerPosition& pos);
 
private:
 
  enum CSO_REACT_ON_DOUBLE_CLICK
  {
    CSO_EDITOR_DOUBLE_CLICK_SET_SINGLE_SEED = 0, 
    CSO_EDITOR_DOUBLE_CLICK_SET_DOUBLE_SEEDS,    
    CSO_EDITOR_DOUBLE_CLICK_FINISH,              
    CSO_EDITOR_DOUBLE_CLICK_CLOSE,               
    CSO_EDITOR_DOUBLE_CLICK_FINISH_NO_CLOSE      
  };
 
  void setLiveWireStartPosition(const ml::Vector3& worldPosition);
  void interpolatePathPoints(ml::CSOSeedPoint* seedPoint);
  void interpolatePathPoints(ml::CSOPathPoints* pathPoints);
  void interpolateAllPathPointLists(ml::CSO* cso);
  void interpolateSinglePathPointList(ml::CSO* cso, ml::CSOSeedPoint* predSeedPoint, ml::CSOSeedPoint* succSeedPoint);
  void fillPathPoints(ml::CSOPathPoints* pathPoints, const std::vector<ml::VoxelPos>& pathPositions);
 
  bool couldCloseCSO(const SoPointerPosition& pos, ml::CSO* cso);
  bool isCurrentPositionOnTopOfPreviousSeedPoint() const;
  void checkCanCloseAndSetCursorShape(const SoPointerPosition& pos, ml::CSO* cso);
  float getFirstLastSeedPointDeviceDistance(const SoPointerPosition& pos, ml::CSO* cso) const;
  ml::CSOPathPoints* getLastPathPointList(ml::CSO* cso);
  void removeSeedPointAndInterpolateRemainingPath(ml::CSO* cso, ml::CSOSeedPoint* seedPoint);
 
  void removeSeedPointFromMiddleOfCSO(ml::CSO* cso, ml::CSOSeedPoint* seedPoint);
 
  bool liveWireGraphNeedsUpdate(const SoPointerPosition& pos);
  void updateLiveWireGraph(const SoPointerPosition& pos);
  void configureLiveWireGraph();
 
  bool areEqual(const XVImageSize& imageSize1, const XVImageSize& imageSize2) const;
 
  bool isEndSeedPoint(ml::CSOSeedPoint* seedPoint);
 
  ml::VoxelPos getVoxelPosition(const ml::Vector3& worldPosition) const;
  ml::Vector3 getWorldPosition(const ml::VoxelPos& voxelPosition) const;
 
  void initialize();
 
  void fieldChanged(SoField*);
  void inputImageChanged(SoField*);
 
  SbVec3f     _startPosition;
  ml::Vector3 _currentPosition;
  SoPointerPosition _startPointerPosition;
  SoPointerPosition _currentPointerPosition;
 
  ml::Matrix4 _imageWorldToVoxelMatrix;
  ml::Matrix4 _imageVoxelToWorldMatrix;
  int _cursorShape;
 
  bool _couldCloseCurrentCSO;
 
  bool _shouldCloseWhenStartedInFreehand;
  bool _hasStartedFreehand;
  bool _isDrawingFreehand;
  ml::CSOLiveWireGraph* _liveWireGraph;
  int _sliceZ;
  int _startSliceZ;
  unsigned int _lastImageSerialNumber;
};