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79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/*=========================================================================
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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) override;
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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, vtkTypeBool);
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vtkGetMacro(Interpolate, vtkTypeBool);
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vtkBooleanMacro(Interpolate, vtkTypeBool);
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//@}
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protected:
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vtkImageMagnify();
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~vtkImageMagnify() override {}
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int MagnificationFactors[3];
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vtkTypeBool Interpolate;
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int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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void ThreadedRequestData(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector, vtkImageData*** inData, vtkImageData** outData,
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int outExt[6], int id) override;
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void InternalRequestUpdateExtent(int* inExt, int* outExt);
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private:
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vtkImageMagnify(const vtkImageMagnify&) = delete;
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void operator=(const vtkImageMagnify&) = delete;
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};
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#endif
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