vtkQuaternionInterpolator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkQuaternionInterpolator.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 vtkQuaternionInterpolator_h
#define vtkQuaternionInterpolator_h
 
#include "vtkCommonMathModule.h" // For export macro
#include "vtkObject.h"
 
class vtkQuaterniond;
class vtkQuaternionList;
 
class VTKCOMMONMATH_EXPORT vtkQuaternionInterpolator : public vtkObject
{
public:
  vtkTypeMacro(vtkQuaternionInterpolator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkQuaternionInterpolator* New();
 
  enum vtkQuaternionInterpolationSearchMethod
  {
    BinarySearch = 0,
    LinearSearch = 1,
    MaxEnum
  };
 
  int GetNumberOfQuaternions();
 
 
  double GetMinimumT();
  double GetMaximumT();
 
  void Initialize();
 
 
  void AddQuaternion(double t, const vtkQuaterniond& q);
  void AddQuaternion(double t, double q[4]);
 
  void RemoveQuaternion(double t);
 
 
  void InterpolateQuaternion(double t, vtkQuaterniond& q);
  void InterpolateQuaternion(double t, double q[4]);
 
 
  int GetSearchMethod();
  void SetSearchMethod(int type);
 
  enum
  {
    INTERPOLATION_TYPE_LINEAR = 0,
    INTERPOLATION_TYPE_SPLINE
  };
 
 
  vtkSetClampMacro(InterpolationType, int, INTERPOLATION_TYPE_LINEAR, INTERPOLATION_TYPE_SPLINE);
  vtkGetMacro(InterpolationType, int);
  void SetInterpolationTypeToLinear() { this->SetInterpolationType(INTERPOLATION_TYPE_LINEAR); }
  void SetInterpolationTypeToSpline() { this->SetInterpolationType(INTERPOLATION_TYPE_SPLINE); }
 
protected:
  vtkQuaternionInterpolator();
  ~vtkQuaternionInterpolator() override;
 
  // Specify the type of interpolation to use
  int InterpolationType;
  int SearchMethod;
 
  // Internal variables for interpolation functions
  vtkQuaternionList* QuaternionList; // used for linear quaternion interpolation
 
private:
  vtkQuaternionInterpolator(const vtkQuaternionInterpolator&) = delete;
  void operator=(const vtkQuaternionInterpolator&) = delete;
};
 
#endif