vtkImageMandelbrotSource.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkImageMandelbrotSource_h
#define vtkImageMandelbrotSource_h
 
#include "vtkImageAlgorithm.h"
#include "vtkImagingSourcesModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class VTKIMAGINGSOURCES_EXPORT vtkImageMandelbrotSource : public vtkImageAlgorithm
{
public:
  static vtkImageMandelbrotSource* New();
  vtkTypeMacro(vtkImageMandelbrotSource, vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetWholeExtent(int extent[6]);
  void SetWholeExtent(int minX, int maxX, int minY, int maxY, int minZ, int maxZ);
  vtkGetVector6Macro(WholeExtent, int);


  vtkSetMacro(ConstantSize, vtkTypeBool);
  vtkGetMacro(ConstantSize, vtkTypeBool);
  vtkBooleanMacro(ConstantSize, vtkTypeBool);


  void SetProjectionAxes(int x, int y, int z);
  void SetProjectionAxes(int a[3]) { this->SetProjectionAxes(a[0], a[1], a[2]); }
  vtkGetVector3Macro(ProjectionAxes, int);


  vtkSetVector4Macro(OriginCX, double);
  // void SetOriginCX(double cReal, double cImag, double xReal, double xImag);
  vtkGetVector4Macro(OriginCX, double);


  vtkSetVector4Macro(SampleCX, double);
  // void SetOriginCX(double cReal, double cImag, double xReal, double xImag);
  vtkGetVector4Macro(SampleCX, double);


  void SetSizeCX(double cReal, double cImag, double xReal, double xImag);
  double* GetSizeCX() VTK_SIZEHINT(4);
  void GetSizeCX(double s[4]);


  vtkSetClampMacro(MaximumNumberOfIterations, unsigned short, static_cast<unsigned short>(1),
    static_cast<unsigned short>(5000));
  vtkGetMacro(MaximumNumberOfIterations, unsigned short);


  void Zoom(double factor);
  void Pan(double x, double y, double z);

  void CopyOriginAndSample(vtkImageMandelbrotSource* source);


  vtkSetClampMacro(SubsampleRate, int, 1, VTK_INT_MAX);
  vtkGetMacro(SubsampleRate, int);
 
protected:
  vtkImageMandelbrotSource();
  ~vtkImageMandelbrotSource() override;
 
  int ProjectionAxes[3];
 
  // WholeExtent in 3 space (after projection).
  int WholeExtent[6];
 
  // Complex constant/initial-value at origin.
  double OriginCX[4];
  // Initial complex value at origin.
  double SampleCX[4];
  unsigned short MaximumNumberOfIterations;
 
  // A temporary vector that is computed as needed.
  // It is used to return a vector.
  double SizeCX[4];
 
  // A flag for keeping size constant (vs. keeping the spacing).
  vtkTypeBool ConstantSize;
 
  int SubsampleRate;
 
  // see vtkAlgorithm for details
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  double EvaluateSet(double p[4]);
 
private:
  vtkImageMandelbrotSource(const vtkImageMandelbrotSource&) = delete;
  void operator=(const vtkImageMandelbrotSource&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif