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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/epix/fmt_template.h
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+/*
+ * fmt.h -- ePiX::fmt output format
+ *
+ * This file is part of ePiX, a C++ library for creating high-quality
+ * figures in LaTeX
+ *
+ * Version 1.1.15
+ * Last Change: September 08, 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
+ */
+
+/*
+ * To create files foo.h, foo.cc for output format "foo", do
+ *
+ * for suff in cc h; do
+ * sed 's/fmt/foo/g' format_template.$suff > foo.$suff
+ * done
+ *
+ * The include guards and initial comments should be updated manually.
+ */
+
+#ifndef EPIX_FMT
+#define EPIX_FMT
+
+#include <set>
+#include <list>
+#include <string>
+
+#include "edge_data.h"
+
+namespace ePiX {
+
+ class Color;
+ class pair;
+ class path_state;
+ class pen_data;
+
+ class fmt : public format {
+ public:
+
+ fmt(); // some constructor mandatory, needn't have this signature
+
+ // Return a copy of this
+ fmt* clone() const;
+
+ // Filled region with specified Cartesian edges, offset, and color
+ std::string print_fill(const std::list<edge2d>& edges,
+ const pair& offset,
+ const Color& fill,
+ const pen_data& line,
+ const std::string& len) const;
+
+ // Unfilled region, specified Cartesian edges. Should generally be
+ // trivially implemented using one-pen function (supplied).
+ std::string print_line(const std::list<edge2d>& edges,
+ const pair& offset,
+ const pen_data& line_pen,
+ const pen_data& base_pen,
+ const path_state& style,
+ const std::string& len) const;
+
+ /*
+ * Picture start and finish:
+ * Size and offset in page units,
+ * pallet (set of colors contained in the screen),
+ * unitlength
+ *
+ * These functions have default implementations, see format.cc.
+ * If the new format can use the default implementation, these
+ * functions declarations should be removed.
+ *
+ std::string pic_header(const pair& sizes,
+ const pair& offsets,
+ const std::set<Color>& pallet,
+ const std::string& len) const;
+
+ std::string pic_footer() const;
+ */
+
+ // Print color declaration strings: model, name, densities
+ std::string print_color(const std::string&,
+ const std::string&,
+ double,
+ double,
+ double) const;
+
+ std::string print_color(const std::string&,
+ const std::string&,
+ double,
+ double,
+ double,
+ double) const;
+
+ // One-line comment
+ std::string print_comment(const std::string&) const;
+
+ // Verbatim output
+ std::string print_verbatim(const std::string&) const;
+
+
+ // begin and end a picture-like environment, set the unit length
+ std::string start_picture(const pair&, const pair&) const;
+ std::string end_picture() const;
+
+ std::string set_unitlength(const std::string& len) const;
+
+ // State data, if any, must be mutable
+ void reset_state() const;
+
+ private:
+
+ std::string usepackages() const;
+
+ // string argument for passing attributes local to this path/loop
+ std::string start_open_path(const std::string&) const;
+ std::string end_open_path(const std::string&) const;
+
+ std::string start_closed_path(const std::string&) const;
+ std::string end_closed_path(const std::string&) const;
+
+ // print declarations to set state of output format
+ std::string set_fill_state(const Color&) const;
+ std::string set_pen_state(const pen_data&) const;
+
+ // place a LaTeX box of width zero (containing string) at location (pair)
+ std::string put_box(const pair&, const std::string&) const;
+
+ // draw a filled or hollow circle of specified diam, color
+ std::string print_circle_marker(const pair& here, double diam,
+ bool fill, const Color& color,
+ const std::string& len) const;
+
+ //// "Optional" (implemented, but reimplementable) functions ////
+ // inserted in long paths, defaults to <newline> and two spaces
+ // std::string path_break() const;
+
+ // inserted between path points, deaults to ""
+ // std::string path_break() const;
+
+ // std::string print_pallet(const std::set<Color>&) const;
+
+ // Represent a pair, length, or Color as a string
+ // std::string print(const pair&) const; // Default: "(a,b)"
+ // std::string print(const length&) const; // Default: "3.5cm", e.g.
+ // std::string print(const Color&) const; // Default: color name
+
+ }; // end of class fmt
+} // end of namespace
+
+#endif /* EPIX_FMT */