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vtkInteractorStyleCAD.h

#ifndef __vtkInteractorStyleCAD_h
#define __vtkInteractorStyleCAD_h

#include <vtkInteractorStyle.h>
#include <vtkCellPicker.h>

class vtkPolyData;
class vtkDataSetMapper;
class vtkGeometryFilter;

// new motion flag
#define VTKIS_USERINTERACTION 8

class VTK_EXPORT vtkInteractorStyleCAD : public vtkInteractorStyle
{
public:
  static vtkInteractorStyleCAD *New();
  vtkTypeMacro(vtkInteractorStyleCAD,vtkInteractorStyle);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  void StartUserInteraction();
  void EndUserInteraction();

  void SetUserInteractionMethod(void (*f)(void *), void *arg);
  void SetUserInteractionMethodArgDelete(void (*f)(void *));

  vtkGetVector2Macro(LastPos,int);

  vtkGetVector2Macro(OldPos,int);

  vtkGetMacro(ShiftKey,int);
  vtkGetMacro(CtrlKey,int);

  vtkGetMacro(Char,int);

  vtkGetStringMacro(KeySym);

  void OnMouseMove(int ctrl, int shift, int x, int y);
  void OnRightButtonDown(int ctrl, int shift, int x, int y);
  void OnRightButtonUp(int ctrl, int shift, int x, int y);
  void OnMiddleButtonDown(int ctrl, int shift, int x, int y);
  void OnMiddleButtonUp(int ctrl, int shift, int x, int y);
  void OnLeftButtonDown(int ctrl, int shift, int x, int y);
  void OnLeftButtonUp(int ctrl, int shift, int x, int y);

  void OnKeyPress(int ctrl, int shift, char keycode, char *keysym, int repeatcount);
  void OnKeyRelease(int ctrl, int shift, char keycode, char *keysym, int repeatcount);
  void OnChar(int ctrl, int shift, char keycode, int repeatcount);


  void HighlightGeometry(vtkActor *a, vtkDataSet *ds, int minId, int maxId);
  void HighlightGeometry(vtkActor *a, vtkDataSet *ds, int *ids);

  vtkSetMacro(CellHighlight,int);
  vtkGetMacro(CellHighlight,int);
  vtkBooleanMacro(CellHighlight,int);

  vtkGetObjectMacro(CellPicker,vtkCellPicker);

  vtkGetObjectMacro(HighlightGeomFilter,vtkGeometryFilter);

protected:
  vtkInteractorStyleCAD();
  ~vtkInteractorStyleCAD();
  vtkInteractorStyleCAD(const vtkInteractorStyleCAD&) {};
  void operator=(const vtkInteractorStyleCAD&) {};

  void OnTimer();

  void RotateCamera(int x, int y);
  void SpinCamera(int x, int y);
  void PanCamera(int x, int y);
  void DollyCamera(int x, int y);

  void (*UserInteractionMethod)(void *);
  void (*UserInteractionMethodArgDelete)(void *);
  void *UserInteractionMethodArg;

  vtkCellPicker *CellPicker;
  vtkGeometryFilter *HighlightGeomFilter;
  vtkPolyDataMapper *CellMapper;
  vtkActor *CellActor;
  vtkActor *CurrentActor;
  vtkActor *ActorPicked;

  int OldPos[2];
  int Char;
  char *KeySym;
  float SpinFrameWidth;

  float OldX;
  float OldY;
  float RadianToDegree;
  float NewPickPoint[4];
  float OldPickPoint[4];
  float MotionVector[3];             // vector used for interaction
  float MotionFactor;                // constant: for motion
  int Preprocess;                    // boolean: was preprocessing done?
  int CellHighlight;                 // boolean: highlight picked cell?
  double ViewFocus[3];
  double ViewPoint[3];

};

inline void vtkInteractorStyleCAD::HighlightGeometry(vtkActor *a, vtkDataSet *ds, int *ids)
{ this->HighlightGeometry( a, ds, ids[0], ids[1]); }

#endif // __vtkInteractorStyleCAD_h

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