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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkImagePadFilter.h,v $
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.
=========================================================================*/
// .NAME vtkImagePadFilter - Super class for filters that fill in extra pixels.
// .SECTION Description
// vtkImagePadFilter Changes the image extent of an image. If the image
// extent is larger than the input image extent, the extra pixels are
// filled by an algorithm determined by the subclass.
// The image extent of the output has to be specified.
#ifndef __vtkImagePadFilter_h
#define __vtkImagePadFilter_h
#include "vtkThreadedImageAlgorithm.h"
class VTK_IMAGING_EXPORT vtkImagePadFilter : public vtkThreadedImageAlgorithm
{
public:
static vtkImagePadFilter *New();
vtkTypeRevisionMacro(vtkImagePadFilter,vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// The image extent of the output has to be set explicitly.
void SetOutputWholeExtent(int extent[6]);
void SetOutputWholeExtent(int minX, int maxX, int minY, int maxY,
int minZ, int maxZ);
void GetOutputWholeExtent(int extent[6]);
int *GetOutputWholeExtent() {return this->OutputWholeExtent;}
// Description:
// Set/Get the number of output scalar components.
vtkSetMacro(OutputNumberOfScalarComponents, int);
vtkGetMacro(OutputNumberOfScalarComponents, int);
protected:
vtkImagePadFilter();
~vtkImagePadFilter() {};
int OutputWholeExtent[6];
int OutputNumberOfScalarComponents;
virtual int RequestInformation (vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
virtual int RequestUpdateExtent(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
virtual void ComputeInputUpdateExtent (int inExt[6], int outExt[6],
int wExt[6]);
private:
vtkImagePadFilter(const vtkImagePadFilter&); // Not implemented.
void operator=(const vtkImagePadFilter&); // Not implemented.
};
#endif
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