vtkImageSincInterpolator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageSincInterpolator.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 vtkImageSincInterpolator_h
#define vtkImageSincInterpolator_h
 
#include "vtkAbstractImageInterpolator.h"
#include "vtkImagingCoreModule.h" // For export macro
 
#define VTK_LANCZOS_WINDOW 0
#define VTK_KAISER_WINDOW 1
#define VTK_COSINE_WINDOW 2
#define VTK_HANN_WINDOW 3
#define VTK_HAMMING_WINDOW 4
#define VTK_BLACKMAN_WINDOW 5
#define VTK_BLACKMAN_HARRIS3 6
#define VTK_BLACKMAN_HARRIS4 7
#define VTK_NUTTALL_WINDOW 8
#define VTK_BLACKMAN_NUTTALL3 9
#define VTK_BLACKMAN_NUTTALL4 10
#define VTK_SINC_KERNEL_SIZE_MAX 32
 
class vtkImageData;
struct vtkInterpolationInfo;
 
class VTKIMAGINGCORE_EXPORT vtkImageSincInterpolator : public vtkAbstractImageInterpolator
{
public:
  static vtkImageSincInterpolator* New();
  vtkTypeMacro(vtkImageSincInterpolator, vtkAbstractImageInterpolator);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  virtual void SetWindowFunction(int mode);
  void SetWindowFunctionToLanczos() { this->SetWindowFunction(VTK_LANCZOS_WINDOW); }
  void SetWindowFunctionToKaiser() { this->SetWindowFunction(VTK_KAISER_WINDOW); }
  void SetWindowFunctionToCosine() { this->SetWindowFunction(VTK_COSINE_WINDOW); }
  void SetWindowFunctionToHann() { this->SetWindowFunction(VTK_HANN_WINDOW); }
  void SetWindowFunctionToHamming() { this->SetWindowFunction(VTK_HAMMING_WINDOW); }
  void SetWindowFunctionToBlackman() { this->SetWindowFunction(VTK_BLACKMAN_WINDOW); }
  void SetWindowFunctionToBlackmanHarris3() { this->SetWindowFunction(VTK_BLACKMAN_HARRIS3); }
  void SetWindowFunctionToBlackmanHarris4() { this->SetWindowFunction(VTK_BLACKMAN_HARRIS4); }
  void SetWindowFunctionToNuttall() { this->SetWindowFunction(VTK_NUTTALL_WINDOW); }
  void SetWindowFunctionToBlackmanNuttall3() { this->SetWindowFunction(VTK_BLACKMAN_NUTTALL3); }
  void SetWindowFunctionToBlackmanNuttall4() { this->SetWindowFunction(VTK_BLACKMAN_NUTTALL4); }
  int GetWindowFunction() { return this->WindowFunction; }
  virtual const char* GetWindowFunctionAsString();
 
  void SetWindowHalfWidth(int n);
  int GetWindowHalfWidth() { return this->WindowHalfWidth; }
 
  void SetUseWindowParameter(int val);
  void UseWindowParameterOn() { this->SetUseWindowParameter(1); }
  void UseWindowParameterOff() { this->SetUseWindowParameter(0); }
  int GetUseWindowParameter() { return this->UseWindowParameter; }
 
  void SetWindowParameter(double parm);
  double GetWindowParameter() { return this->WindowParameter; }
 
  void ComputeSupportSize(const double matrix[16], int support[3]) override;
 
 
  void SetBlurFactors(double x, double y, double z);
  void SetBlurFactors(const double f[3]) { this->SetBlurFactors(f[0], f[1], f[2]); }
  void GetBlurFactors(double f[3])
  {
    f[0] = this->BlurFactors[0];
    f[1] = this->BlurFactors[1];
    f[2] = this->BlurFactors[2];
  }
  double* GetBlurFactors() VTK_SIZEHINT(3) { return this->BlurFactors; }
 
  void SetAntialiasing(int antialiasing);
  void AntialiasingOn() { this->SetAntialiasing(1); }
  void AntialiasingOff() { this->SetAntialiasing(0); }
  int GetAntialiasing() { return this->Antialiasing; }
 
  void SetRenormalization(int renormalization);
  void RenormalizationOn() { this->SetRenormalization(1); }
  void RenormalizationOff() { this->SetRenormalization(0); }
  int GetRenormalization() { return this->Renormalization; }
 
  bool IsSeparable() override;
 
 
  void PrecomputeWeightsForExtent(const double matrix[16], const int extent[6], int newExtent[6],
    vtkInterpolationWeights*& weights) override;
  void PrecomputeWeightsForExtent(const float matrix[16], const int extent[6], int newExtent[6],
    vtkInterpolationWeights*& weights) override;
 
  void FreePrecomputedWeights(vtkInterpolationWeights*& weights) override;
 
protected:
  vtkImageSincInterpolator();
  ~vtkImageSincInterpolator() override;
 
  void InternalUpdate() override;
 
  void InternalDeepCopy(vtkAbstractImageInterpolator* obj) override;
 
 
  void GetInterpolationFunc(
    void (**doublefunc)(vtkInterpolationInfo*, const double[3], double*)) override;
  void GetInterpolationFunc(
    void (**floatfunc)(vtkInterpolationInfo*, const float[3], float*)) override;
 
 
  void GetRowInterpolationFunc(
    void (**doublefunc)(vtkInterpolationWeights*, int, int, int, double*, int)) override;
  void GetRowInterpolationFunc(
    void (**floatfunc)(vtkInterpolationWeights*, int, int, int, float*, int)) override;
 
  virtual void BuildKernelLookupTable();
 
  virtual void FreeKernelLookupTable();
 
  int WindowFunction;
  int WindowHalfWidth;
  float* KernelLookupTable[3];
  int KernelSize[3];
  int Antialiasing;
  int Renormalization;
  double BlurFactors[3];
  double LastBlurFactors[3];
  double WindowParameter;
  int UseWindowParameter;
 
private:
  vtkImageSincInterpolator(const vtkImageSincInterpolator&) = delete;
  void operator=(const vtkImageSincInterpolator&) = delete;
};
 
#endif