diff options
author | Norbert Preining <norbert@preining.info> | 2020-06-13 03:02:55 +0000 |
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committer | Norbert Preining <norbert@preining.info> | 2020-06-13 03:02:55 +0000 |
commit | 2d0067edb74f15b431d7a1e3a42b4f525986cef0 (patch) | |
tree | 06198722777ad0af165eb45b12960c56b226b0cf /graphics/epix/arrow_data.cc | |
parent | c2fde990c352049f8aa6bc9629fee95bad518cde (diff) |
CTAN sync 202006130302
Diffstat (limited to 'graphics/epix/arrow_data.cc')
-rw-r--r-- | graphics/epix/arrow_data.cc | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/graphics/epix/arrow_data.cc b/graphics/epix/arrow_data.cc deleted file mode 100644 index 2c50b0f8bc..0000000000 --- a/graphics/epix/arrow_data.cc +++ /dev/null @@ -1,130 +0,0 @@ -/* - * arrow_data.cc -- ePiX arrow class - * - * This file is part of ePiX, a C++ library for creating high-quality - * figures in LaTeX - * - * Version 1.2.0-2 - * Last Change: September 26, 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 <list> -#include <cmath> - -#include "triples.h" -#include "functions.h" - -#include "camera.h" - -#include "edge_data.h" -#include "path_data.h" -#include "clipping.h" - -#include "arrow_style.h" -#include "pen_data.h" -#include "paint_style.h" - -#include "halfspace.h" -#include "pen_line.h" -#include "pen_arrow.h" - -#include "screen_data.h" -#include "screen.h" -#include "active_screen.h" - -#include "arrow_data.h" - -namespace ePiX { - - arrow_data::arrow_data(const std::vector<P>& pv, const P& base, const P& tip, - double scale) - : m_base(base), m_tip(tip), m_scale(scale), - m_head_seen(!the_clip_box().clips(m_tip)) - { - for (unsigned int i=0; i<pv.size()-1; ++i) - m_shaft.push_back(edge3d(pv.at(i), pv.at(i+1), true)); - - the_clip_box().clip_path(m_shaft); - } - - arrow_data& arrow_data::clip_to(const halfspace& knife) - { - knife.clip_path(m_shaft); - if (knife.clips(m_tip)) - m_head_seen = false; - - return *this; - } - - - void arrow_data::photo(screen& scr, const Camera& mycam, - const pen_data& line, const pen_data& under) const - { - arrow_data tmp_data(*this); - if (mycam.needs_clip()) - tmp_data.clip_to(mycam.clip_plane()); - - std::list<edge2d> edges; - for (std::list<edge3d>::const_iterator p=tmp_data.m_shaft.begin(); - p != tmp_data.m_shaft.end(); ++p) - { - edge2d tmp(mycam((*p).tail()), mycam((*p).head()), (*p).is_seen()); - - if (!tmp.is_null()) // endpoints not equal - edges.push_back(tmp); - } - - // draw shaft - scr.m_screen->add_tile(pen_line(line.seen_through(mycam), - under.seen_through(mycam), edges)); - - // and arrowhead - if (m_head_seen) - { - const P dir(m_tip-m_base); - const P to_cam(mycam.viewpt()-m_base); - - const double sin_th(norm(dir*to_cam)/(norm(dir)*norm(to_cam))); - - scr.m_screen->add_tile(pen_arrow(mycam(m_base), mycam(m_tip), - line.seen_through(mycam), - under.seen_through(mycam), - m_scale, sin_th, m_head_seen)); - } - } - - void arrow_data::draw() const - { - photo(*active_screen(), cam(), - the_paint_style().line_pen(), the_paint_style().base_pen()); - } - - void arrow_data::draw(const pen_data& p1, const pen_data& p2) const - { - photo(*active_screen(), cam(), p1, p2); - } -} // end of namespace |