vtkCIEDE2000.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkCIEDE2000.h
 
  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.
 
=========================================================================*/
 
/*=========================================================================
The MIT License (MIT)
 
Copyright (c) 2015 Greg Fiumara
 
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
 
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
 
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
=========================================================================*/
 
#ifndef vtkCIEDE2000_h
#define vtkCIEDE2000_h
#ifndef __VTK_WRAP__
 
#include <vector> // needed for std::vector
 
namespace CIEDE2000
{
struct Node
{
  double rgb[3];   // RGB color
  double distance; // Distance from the start
};
 
void MapColor(double rgb[3]);
 
double GetCIEDeltaE2000(const double lab1[3], const double lab2[3]);
 
double GetColorPath(const double rgb1[3], const double rgb2[3], std::vector<Node>& path,
  bool forceExactSupportColors);
}
 
#endif
#endif
// VTK-HeaderTest-Exclude: vtkCIEDE2000.h