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/*
* arrow_style.h -- ePiX's arrowhead parameters
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.15
* Last Change: September 08, 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
*/
/*
* The class in this file implements backend for user-level global
* functions defined in state.h. This header is not part of epix.h.
*/
#ifndef EPIX_ARROW_STYLE
#define EPIX_ARROW_STYLE
namespace ePiX {
// arrowhead parameters
// Magic numbers: initialization constants
class arrowhead_state {
public:
arrowhead_state();
// set
arrowhead_state& width(double w);
arrowhead_state& ratio(double r);
arrowhead_state& inset(double arg);
arrowhead_state& fill(bool);
// get
double width() const;
double ratio() const;
double inset() const;
bool fill() const;
private:
double m_width; // Half-width of arrowheads in pt
double m_ratio; // 2*Length/width ratio of arrowheads
double m_inset; // Base indentation (frac of width*ratio)
bool m_fill;
}; // end of class arrowhead_state
arrowhead_state& the_arrowhead_style();
} // end of namespace
#endif /* EPIX_ARROW_STYLE */
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