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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkImageMagnify.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 vtkImageMagnify - magnify an image by an integer value
// .SECTION Description
// vtkImageMagnify maps each pixel of the input onto a nxmx... region
// of the output. Location (0,0,...) remains in the same place. The
// magnification occurs via pixel replication, or if Interpolate is on,
// by bilinear interpolation.
#ifndef __vtkImageMagnify_h
#define __vtkImageMagnify_h
#include "vtkThreadedImageAlgorithm.h"
class VTK_IMAGING_EXPORT vtkImageMagnify : public vtkThreadedImageAlgorithm
{
public:
static vtkImageMagnify *New();
vtkTypeRevisionMacro(vtkImageMagnify,vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Set/Get the integer magnification factors in the i-j-k directions.
vtkSetVector3Macro(MagnificationFactors,int);
vtkGetVector3Macro(MagnificationFactors,int);
// Description:
// Turn interpolation on and off (pixel replication is used when off).
vtkSetMacro(Interpolate,int);
vtkGetMacro(Interpolate,int);
vtkBooleanMacro(Interpolate,int);
protected:
vtkImageMagnify();
~vtkImageMagnify() {};
int MagnificationFactors[3];
int Interpolate;
virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
void ThreadedRequestData(vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector,
vtkImageData ***inData, vtkImageData **outData,
int outExt[6], int id);
void InternalRequestUpdateExtent(int *inExt, int *outExt);
private:
vtkImageMagnify(const vtkImageMagnify&); // Not implemented.
void operator=(const vtkImageMagnify&); // Not implemented.
};
#endif
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