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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkImageMapToColors.h,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkImageMapToColors - map the input image through a lookup table
// .SECTION Description
// The vtkImageMapToColors filter will take an input image of any valid
// scalar type, and map the first component of the image through a
// lookup table. The result is an image of type VTK_UNSIGNED_CHAR.
// If the lookup table is not set, or is set to NULL, then the input
// data will be passed through if it is already of type VTK_UNSIGNED_CHAR.
// .SECTION See Also
// vtkLookupTable vtkScalarsToColors
#ifndef __vtkImageMapToColors_h
#define __vtkImageMapToColors_h
#include "vtkThreadedImageAlgorithm.h"
class vtkScalarsToColors;
class VTK_IMAGING_EXPORT vtkImageMapToColors : public vtkThreadedImageAlgorithm
{
public:
static vtkImageMapToColors *New();
vtkTypeRevisionMacro(vtkImageMapToColors,vtkThreadedImageAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Set the lookup table.
virtual void SetLookupTable(vtkScalarsToColors*);
vtkGetObjectMacro(LookupTable,vtkScalarsToColors);
// Description:
// Set the output format, the default is RGBA.
vtkSetMacro(OutputFormat,int);
vtkGetMacro(OutputFormat,int);
void SetOutputFormatToRGBA() { this->OutputFormat = VTK_RGBA; };
void SetOutputFormatToRGB() { this->OutputFormat = VTK_RGB; };
void SetOutputFormatToLuminanceAlpha() { this->OutputFormat = VTK_LUMINANCE_ALPHA; };
void SetOutputFormatToLuminance() { this->OutputFormat = VTK_LUMINANCE; };
// Description:
// Set the component to map for multi-component images (default: 0)
vtkSetMacro(ActiveComponent,int);
vtkGetMacro(ActiveComponent,int);
// Description:
// Use the alpha component of the input when computing the alpha component
// of the output (useful when converting monochrome+alpha data to RGBA)
vtkSetMacro(PassAlphaToOutput,int);
vtkBooleanMacro(PassAlphaToOutput,int);
vtkGetMacro(PassAlphaToOutput,int);
// Description:
// We need to check the modified time of the lookup table too.
virtual unsigned long GetMTime();
protected:
vtkImageMapToColors();
~vtkImageMapToColors();
virtual int RequestInformation (vtkInformation *, vtkInformationVector **, vtkInformationVector *);
void ThreadedRequestData(vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector,
vtkImageData ***inData, vtkImageData **outData,
int extent[6], int id);
virtual int RequestData(vtkInformation *request,
vtkInformationVector **inputVector,
vtkInformationVector *outputVector);
vtkScalarsToColors *LookupTable;
int OutputFormat;
int ActiveComponent;
int PassAlphaToOutput;
int DataWasPassed;
private:
vtkImageMapToColors(const vtkImageMapToColors&); // Not implemented.
void operator=(const vtkImageMapToColors&); // Not implemented.
};
#endif
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