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/*
* Color_Neutral.h -- ePiX::Neutral ("unset") class
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.17
* Last Change: September 13, 2007
*
*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*
*
* ePiX is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ePiX is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ePiX; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef EPIX_COLOR_NEUTRAL
#define EPIX_COLOR_NEUTRAL
#include <string>
#include "Color_Base.h"
namespace ePiX {
class Neutral_Color : public Color_Base {
public:
Neutral_Color();
Color_Base& filter(const Color_Base&);
std::string name() const;
private:
// these functions are implemented, but should never be called
RGB_Densities to_rgb() const;
Neutral_Color* clone() const;
Neutral_Color& operator*= (double c);
Neutral_Color& blend(const Color_Base&, double);
Neutral_Color& superpose(const Color_Base&);
Neutral_Color& invert();
// not implemented, should never be called
std::string model() const;
std::vector<double> densities() const;
}; // end of class Neutral_Color
} // end of namespace
#endif /* EPIX_COLOR_NEUTRAL */
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