vtkImageAlgorithm.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageAlgorithm.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 vtkImageAlgorithm_h
#define vtkImageAlgorithm_h

#include "vtkCommonExecutionModelModule.h" // For export macro
#include "vtkAlgorithm.h"

class vtkDataSet;
class vtkImageData;

class VTKCOMMONEXECUTIONMODEL_EXPORT vtkImageAlgorithm : public vtkAlgorithm
{
public:
  vtkTypeMacro(vtkImageAlgorithm,vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;


  vtkImageData* GetOutput();
  vtkImageData* GetOutput(int);
  virtual void SetOutput(vtkDataObject* d);

  int ProcessRequest(vtkInformation*,
                             vtkInformationVector**,
                             vtkInformationVector*) VTK_OVERRIDE;


  void SetInputData(vtkDataObject *);
  void SetInputData(int, vtkDataObject*);


  vtkDataObject *GetInput(int port);
  vtkDataObject *GetInput() { return this->GetInput(0); };
  vtkImageData  *GetImageDataInput(int port);


  virtual void AddInputData(vtkDataObject *);
  virtual void AddInputData(int, vtkDataObject*);

protected:
  vtkImageAlgorithm();
  ~vtkImageAlgorithm() VTK_OVERRIDE;

  virtual int RequestInformation(vtkInformation* request,
                                 vtkInformationVector** inputVector,
                                 vtkInformationVector* outputVector);


  virtual int RequestUpdateExtent(vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*);

  virtual void CopyInputArrayAttributesToOutput(vtkInformation* request,
                                                vtkInformationVector** inputVector,
                                                vtkInformationVector* outputVector);


  virtual int RequestData(vtkInformation *request,
                          vtkInformationVector** inputVector,
                          vtkInformationVector* outputVector);

  virtual void ExecuteDataWithInformation(vtkDataObject *output,
                                          vtkInformation* outInfo);


  virtual void ExecuteData(vtkDataObject *output);
  virtual void Execute();


  virtual void AllocateOutputData(vtkImageData *out,
                                  vtkInformation* outInfo,
                                  int *uExtent);
  virtual vtkImageData *AllocateOutputData(vtkDataObject *out,
                                           vtkInformation *outInfo);

  virtual void CopyAttributeData(vtkImageData *in, vtkImageData *out,
                                 vtkInformationVector** inputVector);


  int FillOutputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;
  int FillInputPortInformation(int port, vtkInformation* info) VTK_OVERRIDE;

private:
  vtkImageAlgorithm(const vtkImageAlgorithm&) VTK_DELETE_FUNCTION;
  void operator=(const vtkImageAlgorithm&) VTK_DELETE_FUNCTION;
};

#endif