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diff --git a/graphics/epix/pen_line.cc b/graphics/epix/pen_line.cc
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-/*
- * pen_line.cc -- ePiX::pen_line class, for line-like objects
- *
- * This file is part of ePiX, a C++ library for creating high-quality
- * figures in LaTeX
- *
- * Version 1.1.20
- * Last Change: September 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
- */
-#include "functions.h"
-
-#include "pairs.h"
-#include "affine.h"
-#include "screen_mask.h"
-
-#include "length.h"
-
-#include "pen_data.h"
-#include "paint_style.h"
-
-#include "format.h"
-#include "picture_data.h" // for add_to_pallet()
-#include "picture.h" // for the_picture()
-
-#include "edge_data.h"
-
-#include "tile.h"
-#include "pen_line.h"
-
-namespace ePiX {
-
- typedef std::list<edge2d>::const_iterator ep2;
-
- pen_line::pen_line()
- : m_line(the_paint_style().line_pen()),
- m_base(the_paint_style().base_pen()), m_style(the_path_style()) { }
-
- pen_line::pen_line(const pen_data& line, const pen_data& base,
- const std::list<edge2d>& data)
- : m_line(line), m_base(base), m_style(the_path_style()), m_border(data) { }
-
-
- pen_line* pen_line::clone() const
- {
- return new pen_line(*this);
- }
-
-
- pen_line& pen_line::map_by(const affine& f)
- {
- if (m_border.size() == 0)
- return *this;
-
- std::list<edge2d> bord;
-
- for (ep2 p=m_border.begin(); p!=m_border.end(); ++p)
- bord.push_back(edge2d(f(p->tail()), f(p->head()), (*p).is_seen()));
-
- swap(m_border, bord);
- return *this;
- }
-
-
- pen_line& pen_line::crop_to(const screen_mask& M)
- {
- m_border = M.crop_path(m_border);
- return *this;
- }
-
-
- bool pen_line::is_empty() const
- {
- // N.B. line trumps base, even if base is otherwise visible
- return (m_border.size() == 0 ||
- m_line.color().is_unset() ||
- m_line.width() == length(0));
- }
-
-
- std::string pen_line::print_to(const format& fmt,
- const std::string& len) const
- {
- if (is_empty())
- return "";
-
- // else
- return fmt.print_line(m_border, pair(0,0), m_line, m_base, m_style, len);
- }
-
- void pen_line::add_to_pallet() const
- {
- // add_to_pallet checks for unset
- the_picture().add_to_pallet(m_line.color())
- .add_to_pallet(m_base.color());
- }
-
- void pen_line::add(const edge2d& E)
- {
- m_border.push_back(E);
- }
-} // end of namespace
-