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106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageCast.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 vtkImageCast
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* @brief Image Data type Casting Filter
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*
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* vtkImageCast filter casts the input type to match the output type in
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* the image processing pipeline. The filter does nothing if the input
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* already has the correct type. To specify the "CastTo" type,
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* use "SetOutputScalarType" method.
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*
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* @warning
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* As vtkImageCast only casts values without rescaling them, its use is not
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* recommented. vtkImageShiftScale is the recommented way to change the type
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* of an image data.
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*
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* @sa
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* vtkImageThreshold vtkImageShiftScale
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*/
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#ifndef vtkImageCast_h
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#define vtkImageCast_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 vtkImageCast : public vtkThreadedImageAlgorithm
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{
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public:
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static vtkImageCast *New();
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vtkTypeMacro(vtkImageCast,vtkThreadedImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@{
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/**
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* Set the desired output scalar type to cast to.
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*/
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vtkSetMacro(OutputScalarType,int);
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vtkGetMacro(OutputScalarType,int);
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void SetOutputScalarTypeToFloat(){this->SetOutputScalarType(VTK_FLOAT);};
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void SetOutputScalarTypeToDouble(){this->SetOutputScalarType(VTK_DOUBLE);};
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void SetOutputScalarTypeToInt(){this->SetOutputScalarType(VTK_INT);};
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void SetOutputScalarTypeToUnsignedInt()
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{this->SetOutputScalarType(VTK_UNSIGNED_INT);};
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void SetOutputScalarTypeToLong(){this->SetOutputScalarType(VTK_LONG);};
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void SetOutputScalarTypeToUnsignedLong()
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{this->SetOutputScalarType(VTK_UNSIGNED_LONG);};
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void SetOutputScalarTypeToShort(){this->SetOutputScalarType(VTK_SHORT);};
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void SetOutputScalarTypeToUnsignedShort()
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{this->SetOutputScalarType(VTK_UNSIGNED_SHORT);};
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void SetOutputScalarTypeToUnsignedChar()
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{this->SetOutputScalarType(VTK_UNSIGNED_CHAR);};
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void SetOutputScalarTypeToChar()
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{this->SetOutputScalarType(VTK_CHAR);};
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//@}
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//@{
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/**
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* When the ClampOverflow flag is on, the data is thresholded so that
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* the output value does not exceed the max or min of the data type.
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* Clamping is safer because otherwise you might invoke undefined
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* behavior (and may crash) if the type conversion is out of range
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* of the data type. On the other hand, clamping is slower.
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* By default ClampOverflow is off.
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*/
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vtkSetMacro(ClampOverflow, int);
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vtkGetMacro(ClampOverflow, int);
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vtkBooleanMacro(ClampOverflow, int);
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//@}
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protected:
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vtkImageCast();
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~vtkImageCast() {}
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int ClampOverflow;
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int OutputScalarType;
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virtual int RequestInformation (vtkInformation *, vtkInformationVector**, vtkInformationVector *);
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void ThreadedExecute (vtkImageData *inData, vtkImageData *outData,
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int ext[6], int id);
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private:
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vtkImageCast(const vtkImageCast&) VTK_DELETE_FUNCTION;
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void operator=(const vtkImageCast&) VTK_DELETE_FUNCTION;
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};
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#endif
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