vtkDistanceRepresentation.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkDistanceRepresentation.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkDistanceRepresentation_h
#define vtkDistanceRepresentation_h
 
#include "vtkInteractionWidgetsModule.h" // For export macro
#include "vtkWidgetRepresentation.h"
 
class vtkHandleRepresentation;
 
 
class VTKINTERACTIONWIDGETS_EXPORT vtkDistanceRepresentation : public vtkWidgetRepresentation
{
public:
 
  vtkTypeMacro(vtkDistanceRepresentation,vtkWidgetRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual double GetDistance() = 0;
 
 
  virtual void GetPoint1WorldPosition(double pos[3]) = 0;
  virtual void GetPoint2WorldPosition(double pos[3]) = 0;
  virtual double* GetPoint1WorldPosition() = 0;
  virtual double* GetPoint2WorldPosition() = 0;
  virtual void SetPoint1DisplayPosition(double pos[3]) = 0;
  virtual void SetPoint2DisplayPosition(double pos[3]) = 0;
  virtual void GetPoint1DisplayPosition(double pos[3]) = 0;
  virtual void GetPoint2DisplayPosition(double pos[3]) = 0;
  virtual void SetPoint1WorldPosition(double pos[3])=0;
  virtual void SetPoint2WorldPosition(double pos[3])=0;
 
 
  void SetHandleRepresentation(vtkHandleRepresentation *handle);
  void InstantiateHandleRepresentation();
 
 
  vtkGetObjectMacro(Point1Representation,vtkHandleRepresentation);
  vtkGetObjectMacro(Point2Representation,vtkHandleRepresentation);
 
 
  vtkSetClampMacro(Tolerance,int,1,100);
  vtkGetMacro(Tolerance,int);
 
 
  vtkSetStringMacro(LabelFormat);
  vtkGetStringMacro(LabelFormat);
 
 
  vtkSetMacro(RulerMode,int);
  vtkGetMacro(RulerMode,int);
  vtkBooleanMacro(RulerMode,int);
 
 
  vtkSetClampMacro(RulerDistance,double,0,VTK_FLOAT_MAX);
  vtkGetMacro(RulerDistance,double);
 
 
  vtkSetClampMacro(NumberOfRulerTicks,int,1,VTK_INT_MAX);
  vtkGetMacro(NumberOfRulerTicks,int);
 
//BTX -- used to communicate about the state of the representation
  enum {Outside=0,NearP1,NearP2};
//ETX
 
 
  virtual void BuildRepresentation();
  virtual int ComputeInteractionState(int X, int Y, int modify=0);
  virtual void StartWidgetInteraction(double e[2]);
  virtual void WidgetInteraction(double e[2]);
 
protected:
  vtkDistanceRepresentation();
  ~vtkDistanceRepresentation();
 
  // The handle and the rep used to close the handles
  vtkHandleRepresentation *HandleRepresentation;
  vtkHandleRepresentation *Point1Representation;
  vtkHandleRepresentation *Point2Representation;
 
  // Selection tolerance for the handles
  int Tolerance;
 
  // Format for printing the distance
  char *LabelFormat;
 
  // Ruler related stuff
  int RulerMode;
  double RulerDistance;
  int NumberOfRulerTicks;
 
private:
  vtkDistanceRepresentation(const vtkDistanceRepresentation&);  //Not implemented
  void operator=(const vtkDistanceRepresentation&);  //Not implemented
};
 
#endif