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/*
* pen_arrow.cc -- ePiX::pen_arrow class
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.8
* Last Change: July 19, 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_PEN_ARROW
#define EPIX_PEN_ARROW
#include <list>
#include <string>
#include "edge_data.h"
#include "pen_data.h"
#include "tile.h"
namespace ePiX {
class affine;
class screen_mask;
// arrowhead tile class
class pen_arrow : public tile {
public:
pen_arrow(const pair& tail, const pair& head,
const pen_data& line, const pen_data& base,
double scale, double sin_th, bool head_seen);
pen_arrow* clone() const;
pen_arrow& map_by(const affine&);
pen_arrow& crop_to(const screen_mask&);
bool is_empty() const;
std::string print_to(const format&, const std::string&) const;
void add_to_pallet() const;
private:
edge2d m_shaft;
pen_data m_line;
pen_data m_base;
double m_scale; // overall scale of head
double m_shorten; // foreshortening factor
bool m_head_seen;
arrowhead_state m_style;
}; // end of class pen_arrow
} // end of namespace
#endif /* EPIX_PEN_ARROW */
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