diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/epix/path_data.h |
Initial commit
Diffstat (limited to 'graphics/epix/path_data.h')
-rw-r--r-- | graphics/epix/path_data.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/graphics/epix/path_data.h b/graphics/epix/path_data.h new file mode 100644 index 0000000000..fa7803f976 --- /dev/null +++ b/graphics/epix/path_data.h @@ -0,0 +1,101 @@ +/* + * path_data.h -- ePiX implementation classes for polygons and paths + * + * This file is part of ePiX, a C++ library for creating high-quality + * figures in LaTeX + * + * Version 1.1.18 + * Last Change: September 14, 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_PATH_DATA +#define EPIX_PATH_DATA + +#include <list> +#include <vector> + +#include "triples.h" +#include "edge_data.h" + +namespace ePiX { + + class Camera; + class Color; + class halfspace; + class pen_data; + class screen; + class Sphere; + + // sequence of vertices + class path_data { + public: + path_data(); + path_data(const std::vector<P>&, bool closed=false, bool filled=false); + path_data(const std::list<edge3d>&, bool closed=false, bool filled=false); + + path_data* clone() const; + + // add points + path_data& pt(const P&); + + // concatenate path_data segments + path_data& operator+= (path_data); + + // concatenate, reversing second sequence + path_data& operator-= (path_data); + + bool is_closed() const; + bool is_filled() const; + + // make loop and prevent subsequent additions of points + path_data& close(); + + // (un)set fill flag if closed + path_data& fill(const bool arg=true); + + path_data& clip(); + path_data& clip_to(const halfspace&); + + // assumes path already lies on sphere + path_data& clip_to(const Sphere&, const P& viewpt, bool back=false); + + void photo(screen&, const Camera&, const Color& fill, + const pen_data& line, const pen_data& base) const; + + void draw() const; + void draw(const Color&, const pen_data&) const; + + private: + bool m_closed; + bool m_filled; + + std::list<edge3d> m_data; + + }; // end of class path_data + +} // end of namespace + +#endif /* EPIX_PATH_DATA */ |