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91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageMagnify.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkImageMagnify
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* @brief magnify an image by an integer value
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*
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* vtkImageMagnify maps each pixel of the input onto a nxmx... region
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* of the output. Location (0,0,...) remains in the same place. The
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* magnification occurs via pixel replication, or if Interpolate is on,
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* by bilinear interpolation. Initially, interpolation is off and magnification
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* factors are set to 1 in all directions.
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*/
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#ifndef vtkImageMagnify_h
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#define vtkImageMagnify_h
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#include "vtkImagingCoreModule.h" // For export macro
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#include "vtkThreadedImageAlgorithm.h"
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class VTKIMAGINGCORE_EXPORT vtkImageMagnify : public vtkThreadedImageAlgorithm
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{
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public:
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static vtkImageMagnify *New();
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vtkTypeMacro(vtkImageMagnify,vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* Set/Get the integer magnification factors in the i-j-k directions.
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* Initially, factors are set to 1 in all directions.
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*/
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vtkSetVector3Macro(MagnificationFactors,int);
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vtkGetVector3Macro(MagnificationFactors,int);
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//@}
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//@{
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/**
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* Turn interpolation on and off (pixel replication is used when off).
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* Initially, interpolation is off.
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*/
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vtkSetMacro(Interpolate,int);
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vtkGetMacro(Interpolate,int);
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vtkBooleanMacro(Interpolate,int);
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//@}
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protected:
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vtkImageMagnify();
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~vtkImageMagnify() {}
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int MagnificationFactors[3];
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int Interpolate;
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virtual int RequestUpdateExtent(vtkInformation *,
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vtkInformationVector **,
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vtkInformationVector *);
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virtual int RequestInformation(vtkInformation *,
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vtkInformationVector **,
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vtkInformationVector *);
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void ThreadedRequestData(vtkInformation *request,
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector,
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vtkImageData ***inData,
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vtkImageData **outData,
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int outExt[6],
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int id);
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void InternalRequestUpdateExtent(int *inExt, int *outExt);
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private:
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vtkImageMagnify(const vtkImageMagnify&) VTK_DELETE_FUNCTION;
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void operator=(const vtkImageMagnify&) VTK_DELETE_FUNCTION;
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};
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#endif
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