vtkResampleToImage.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkResampleToImage.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 vtkResampleToImage_h
#define vtkResampleToImage_h

#include "vtkAlgorithm.h"
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkNew.h" // For vtkCompositeDataProbeFilter member variable


class vtkDataObject;
class vtkImageData;
class vtkCompositeDataProbeFilter;

class VTKFILTERSCORE_EXPORT vtkResampleToImage : public vtkAlgorithm
{
public:
  vtkTypeMacro(vtkResampleToImage, vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkResampleToImage *New();


  vtkSetMacro(UseInputBounds, bool);
  vtkGetMacro(UseInputBounds, bool);
  vtkBooleanMacro(UseInputBounds, bool);


  vtkSetVector6Macro(SamplingBounds, double);
  vtkGetVector6Macro(SamplingBounds, double);


  vtkSetVector3Macro(SamplingDimensions, int);
  vtkGetVector3Macro(SamplingDimensions, int);

  vtkImageData* GetOutput();

protected:
  vtkResampleToImage();
  ~vtkResampleToImage() override;

  // Usual data generation method
  int ProcessRequest(vtkInformation*, vtkInformationVector**,
                     vtkInformationVector*) override;
  virtual int RequestData(vtkInformation *, vtkInformationVector **,
                          vtkInformationVector *);
  virtual int RequestInformation(vtkInformation *, vtkInformationVector **,
                                 vtkInformationVector *);
  virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **,
                                  vtkInformationVector *);
  int FillInputPortInformation(int, vtkInformation *) override;
  int FillOutputPortInformation(int, vtkInformation *) override;

  const char* GetMaskArrayName() const;

  void PerformResampling(vtkDataObject *input, const double samplingBounds[6],
                         bool computeProbingExtent, const double inputBounds[6],
                         vtkImageData *output);

  void SetBlankPointsAndCells(vtkImageData *data);

  static void ComputeDataBounds(vtkDataObject *data, double bounds[6]);


  bool UseInputBounds;
  double SamplingBounds[6];
  int SamplingDimensions[3];
  vtkNew<vtkCompositeDataProbeFilter> Prober;

private:
  vtkResampleToImage(const vtkResampleToImage&) = delete;
  void operator=(const vtkResampleToImage&) = delete;
};

#endif