From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 2 Sep 2019 13:46:59 +0900 Subject: Initial commit --- graphics/epix/facet.h | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 graphics/epix/facet.h (limited to 'graphics/epix/facet.h') diff --git a/graphics/epix/facet.h b/graphics/epix/facet.h new file mode 100644 index 0000000000..0e118da181 --- /dev/null +++ b/graphics/epix/facet.h @@ -0,0 +1,105 @@ +/* + * facet.h -- Utility classes for shaded surface plotting + * + * This file is part of ePiX, a C++ library for creating high-quality + * figures in LaTeX + * + * Version 1.1.7 + * Last Change: July 08, 2007 + */ + +/* + * Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 + * Andrew D. Hwang + * 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 "triples.h" +#include "frame.h" + +#include "path.h" + +#include "Color.h" +#include "pen_data.h" + +namespace ePiX { + + class facet { + public: + // create quasi-planar region bounded by path segments in f(R) + facet(P f(double, double), + double u0, double v0, double du, double dv, + const unsigned int N1, const unsigned int N2); + + facet(P f(double, double, double), + double u0, double v0, double w0, + double du, double dv, double dw, + const unsigned int N1, const unsigned int N2); + + // for surfaces of rotation + facet(double f(double), double g(double), + double u0, double v0, double du, double dv, + const unsigned int N1, const unsigned int N2, + const frame& coords=frame()); + + + facet(P f(double, double), + double u0, double v0, double du, double dv, + const unsigned int N1, const unsigned int N2, const Color&); + + facet(P f(double, double, double), + double u0, double v0, double w0, + double du, double dv, double dw, + const unsigned int N1, const unsigned int N2, const Color&); + + // for surfaces of rotation + facet(double f(double), double g(double), + double u0, double v0, double du, double dv, + const unsigned int N1, const unsigned int N2, const Color&, + const frame& coords=frame()); + + + facet* clone() const; + + double how_far() const; + + bool front_facing() const; + + void draw(int cull) const; + + private: + Color m_tint; + pen_data m_line; + bool m_fill; + + P pt1, pt2, pt3, pt4, center, direction, perp; + double distance; + + path bd; + }; + + + class by_distance { + public: + bool operator() (const facet&, const facet&); + bool operator() (const facet*, const facet*); + }; +} // end of namespace -- cgit v1.2.3