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116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageQuantizeRGBToIndex.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 vtkImageQuantizeRGBToIndex
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* @brief generalized histograms up to 4 dimensions
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*
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* vtkImageQuantizeRGBToIndex takes a 3 component RGB image as
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* input and produces a one component index image as output, along with
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* a lookup table that contains the color definitions for the index values.
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* This filter works on the entire input extent - it does not perform
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* streaming, and it does not supported threaded execution (because it has
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* to process the entire image).
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*
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* To use this filter, you typically set the number of colors
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* (between 2 and 65536), execute it, and then retrieve the lookup table.
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* The colors can then be using the lookup table and the image index.
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*/
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#ifndef vtkImageQuantizeRGBToIndex_h
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#define vtkImageQuantizeRGBToIndex_h
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#include "vtkImagingColorModule.h" // For export macro
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#include "vtkImageAlgorithm.h"
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class vtkLookupTable;
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class VTKIMAGINGCOLOR_EXPORT vtkImageQuantizeRGBToIndex : public vtkImageAlgorithm
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{
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public:
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static vtkImageQuantizeRGBToIndex *New();
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vtkTypeMacro(vtkImageQuantizeRGBToIndex,vtkImageAlgorithm);
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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 number of color index values to produce - must be
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* a number between 2 and 65536.
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*/
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vtkSetClampMacro( NumberOfColors, int, 2, 65536 );
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vtkGetMacro( NumberOfColors, int );
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//@}
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//@{
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/**
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* Get the resulting lookup table that contains the color definitions
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* corresponding to the index values in the output image.
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*/
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vtkGetObjectMacro( LookupTable, vtkLookupTable );
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//@}
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vtkGetMacro( InitializeExecuteTime, double );
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vtkGetMacro( BuildTreeExecuteTime, double );
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vtkGetMacro( LookupIndexExecuteTime, double );
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//@{
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/**
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* For internal use only - get the type of the image
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*/
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vtkGetMacro( InputType, int );
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//@}
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//@{
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/**
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* For internal use only - set the times for execution
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*/
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vtkSetMacro( InitializeExecuteTime, double );
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vtkSetMacro( BuildTreeExecuteTime, double );
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vtkSetMacro( LookupIndexExecuteTime, double );
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//@}
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protected:
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vtkImageQuantizeRGBToIndex();
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~vtkImageQuantizeRGBToIndex();
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vtkLookupTable *LookupTable;
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int NumberOfColors;
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int InputType;
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double InitializeExecuteTime;
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double BuildTreeExecuteTime;
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double LookupIndexExecuteTime;
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virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual int RequestUpdateExtent (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual int RequestData(vtkInformation *,
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vtkInformationVector **,
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vtkInformationVector *);
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private:
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vtkImageQuantizeRGBToIndex(const vtkImageQuantizeRGBToIndex&) VTK_DELETE_FUNCTION;
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void operator=(const vtkImageQuantizeRGBToIndex&) VTK_DELETE_FUNCTION;
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};
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#endif
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