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vtkImageClip.h
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vtkImageClip.h
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImageClip.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.
=========================================================================*/
/**
* @class vtkImageClip
* @brief Reduces the image extent of the input.
*
* vtkImageClip will make an image smaller. The output must have
* an image extent which is the subset of the input. The filter has two
* modes of operation:
* 1: By default, the data is not copied in this filter.
* Only the whole extent is modified.
* 2: If ClipDataOn is set, then you will get no more that the clipped
* extent.
*/
#ifndef vtkImageClip_h
#define vtkImageClip_h
// I did not make this a subclass of in place filter because
// the references on the data do not matter. I make no modifications
// to the data.
#include "vtkImagingCoreModule.h" // For export macro
#include "vtkImageAlgorithm.h"
class VTKIMAGINGCORE_EXPORT vtkImageClip : public vtkImageAlgorithm
{
public:
static vtkImageClip *New();
vtkTypeMacro(vtkImageClip,vtkImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* The whole extent of the output has to be set explicitly.
*/
void SetOutputWholeExtent(int extent[6], vtkInformation *outInfo=0);
void SetOutputWholeExtent(int minX, int maxX, int minY, int maxY,
int minZ, int maxZ);
void GetOutputWholeExtent(int extent[6]);
int *GetOutputWholeExtent() {return this->OutputWholeExtent;}
//@}
void ResetOutputWholeExtent();
//@{
/**
* By default, ClipData is off, and only the WholeExtent is modified.
* the data's extent may actually be larger. When this flag is on,
* the data extent will be no more than the OutputWholeExtent.
*/
vtkSetMacro(ClipData, int);
vtkGetMacro(ClipData, int);
vtkBooleanMacro(ClipData, int);
//@}
protected:
vtkImageClip();
~vtkImageClip() {}
// Time when OutputImageExtent was computed.
vtkTimeStamp CTime;
int Initialized; // Set the OutputImageExtent for the first time.
int OutputWholeExtent[6];
int ClipData;
virtual int RequestInformation (vtkInformation *,
vtkInformationVector **,
vtkInformationVector *);
void CopyData(vtkImageData *inData, vtkImageData *outData, int *ext);
virtual int RequestData(vtkInformation *,
vtkInformationVector **,
vtkInformationVector *);
private:
vtkImageClip(const vtkImageClip&) VTK_DELETE_FUNCTION;
void operator=(const vtkImageClip&) VTK_DELETE_FUNCTION;
};
#endif