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102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageFlip.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 vtkImageFlip
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* @brief This flips an axis of an image. Right becomes left ...
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*
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* vtkImageFlip will reflect the data along the filtered axis. This filter is
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* actually a thin wrapper around vtkImageReslice.
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*/
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#ifndef vtkImageFlip_h
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#define vtkImageFlip_h
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#include "vtkImageReslice.h"
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#include "vtkImagingCoreModule.h" // For export macro
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class VTKIMAGINGCORE_EXPORT vtkImageFlip : public vtkImageReslice
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{
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public:
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static vtkImageFlip* New();
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vtkTypeMacro(vtkImageFlip, vtkImageReslice);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Specify which axis will be flipped. This must be an integer
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* between 0 (for x) and 2 (for z). Initial value is 0.
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*/
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vtkSetMacro(FilteredAxis, int);
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vtkGetMacro(FilteredAxis, int);
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//@}
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//@{
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/**
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* By default the image will be flipped about its center, and the
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* Origin, Spacing and Extent of the output will be identical to
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* the input. However, if you have a coordinate system associated
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* with the image and you want to use the flip to convert +ve values
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* along one axis to -ve values (and vice versa) then you actually
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* want to flip the image about coordinate (0,0,0) instead of about
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* the center of the image. This method will adjust the Origin of
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* the output such that the flip occurs about (0,0,0). Note that
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* this method only changes the Origin (and hence the coordinate system)
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* the output data: the actual pixel values are the same whether or not
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* this method is used. Also note that the Origin in this method name
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* refers to (0,0,0) in the coordinate system associated with the image,
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* it does not refer to the Origin ivar that is associated with a
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* vtkImageData.
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*/
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vtkSetMacro(FlipAboutOrigin, vtkTypeBool);
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vtkGetMacro(FlipAboutOrigin, vtkTypeBool);
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vtkBooleanMacro(FlipAboutOrigin, vtkTypeBool);
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//@}
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/**
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* Keep the mis-named Axes variations around for compatibility with old
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* scripts. Axis is singular, not plural...
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*/
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void SetFilteredAxes(int axis) { this->SetFilteredAxis(axis); }
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int GetFilteredAxes() { return this->GetFilteredAxis(); }
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//@{
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/**
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* PreserveImageExtentOff wasn't covered by test scripts and its
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* implementation was broken. It is deprecated now and it has
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* no effect (i.e. the ImageExtent is always preserved).
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*/
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vtkSetMacro(PreserveImageExtent, vtkTypeBool);
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vtkGetMacro(PreserveImageExtent, vtkTypeBool);
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vtkBooleanMacro(PreserveImageExtent, vtkTypeBool);
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//@}
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protected:
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vtkImageFlip();
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~vtkImageFlip() override {}
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int FilteredAxis;
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vtkTypeBool FlipAboutOrigin;
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vtkTypeBool PreserveImageExtent;
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private:
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vtkImageFlip(const vtkImageFlip&) = delete;
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void operator=(const vtkImageFlip&) = delete;
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};
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#endif
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