vtkWindowLevelLookupTable.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkWindowLevelLookupTable.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.

=========================================================================*/
#ifndef __vtkWindowLevelLookupTable_h
#define __vtkWindowLevelLookupTable_h

#include "vtkLookupTable.h"

class VTK_COMMON_EXPORT vtkWindowLevelLookupTable : public vtkLookupTable
{
public:
  static vtkWindowLevelLookupTable *New();
  vtkTypeRevisionMacro(vtkWindowLevelLookupTable,vtkLookupTable);
  void PrintSelf(ostream& os, vtkIndent indent);

  void Build();


  void SetWindow(double window) {
    if (window < 1e-5) { window = 1e-5; }
    this->Window = window;
    this->SetTableRange(this->Level - this->Window/2.0,
                        this->Level + this->Window/2.0); };
  vtkGetMacro(Window,double);


  void SetLevel(double level) {
    this->Level = level;
    this->SetTableRange(this->Level - this->Window/2.0,
                        this->Level + this->Window/2.0); };
  vtkGetMacro(Level,double);


  void SetInverseVideo(int iv);
  vtkGetMacro(InverseVideo,int);
  vtkBooleanMacro(InverseVideo,int);


  vtkSetVector4Macro(MinimumTableValue,double);
  vtkGetVector4Macro(MinimumTableValue,double);


  vtkSetVector4Macro(MaximumTableValue,double);
  vtkGetVector4Macro(MaximumTableValue,double);


  VTK_LEGACY(void SetMinimumColor(int r, int g, int b, int a));
  VTK_LEGACY(void SetMinimumColor(const unsigned char rgba[4]));
  VTK_LEGACY(void GetMinimumColor(unsigned char rgba[4]));
  VTK_LEGACY(unsigned char *GetMinimumColor());


  VTK_LEGACY(void SetMaximumColor(int r, int g, int b, int a));
  VTK_LEGACY(void SetMaximumColor(const unsigned char rgba[4]));
  VTK_LEGACY(void GetMaximumColor(unsigned char rgba[4]));
  VTK_LEGACY(unsigned char *GetMaximumColor());

protected:
  vtkWindowLevelLookupTable(int sze=256, int ext=256);
  ~vtkWindowLevelLookupTable() {};

  double Window;
  double Level;
  int InverseVideo;
  double MaximumTableValue[4];
  double MinimumTableValue[4];
private:
  vtkWindowLevelLookupTable(const vtkWindowLevelLookupTable&);  // Not implemented.
  void operator=(const vtkWindowLevelLookupTable&);  // Not implemented.
};

#endif

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