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84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkLookupTableWithEnabling.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 vtkLookupTableWithEnabling
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* @brief A lookup table that allows for an
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* optional array to be provided that specifies which scalars to "enable" and
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* which to "disable".
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*
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*
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* vtkLookupTableWithEnabling "disables" or "grays out" output colors
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* based on whether the given value in EnabledArray is "0" or not.
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*
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*
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* @warning
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* You must set the EnabledArray before MapScalars() is called.
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* Indices of EnabledArray must map directly to those of the array passed
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* to MapScalars().
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*
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*/
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#ifndef vtkLookupTableWithEnabling_h
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#define vtkLookupTableWithEnabling_h
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#include "vtkLookupTable.h"
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#include "vtkRenderingCoreModule.h" // For export macro
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class vtkDataArray;
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class VTKRENDERINGCORE_EXPORT vtkLookupTableWithEnabling : public vtkLookupTable
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{
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public:
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static vtkLookupTableWithEnabling* New();
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vtkTypeMacro(vtkLookupTableWithEnabling, vtkLookupTable);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* This must be set before MapScalars() is called.
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* Indices of this array must map directly to those in the scalars array
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* passed to MapScalars().
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* Values of 0 in the array indicate the color should be desaturatated.
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*/
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vtkGetObjectMacro(EnabledArray, vtkDataArray);
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virtual void SetEnabledArray(vtkDataArray* enabledArray);
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//@}
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/**
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* Map a set of scalars through the lookup table.
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*/
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void MapScalarsThroughTable2(void* input, unsigned char* output, int inputDataType,
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int numberOfValues, int inputIncrement, int outputIncrement) override;
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/**
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* A convenience method for taking a color and desaturating it.
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*/
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virtual void DisableColor(unsigned char r, unsigned char g, unsigned char b, unsigned char* rd,
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unsigned char* gd, unsigned char* bd);
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protected:
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vtkLookupTableWithEnabling(int sze = 256, int ext = 256);
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~vtkLookupTableWithEnabling() override;
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vtkDataArray* EnabledArray;
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private:
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vtkLookupTableWithEnabling(const vtkLookupTableWithEnabling&) = delete;
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void operator=(const vtkLookupTableWithEnabling&) = delete;
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};
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#endif
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