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-/*
- * picture.h -- ePiX globals functions for picture interface
- *
- * This file is part of ePiX, a C++ library for creating high-quality
- * figures in LaTeX
- *
- * Version 1.1.16
- * Last Change: September 11, 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_PICTURE
-#define EPIX_PICTURE
-
-#include <string>
-
-namespace ePiX {
-
- class Color;
- class P;
- class picture_data;
- class screen;
-
- // "global" references
- picture_data& the_picture();
-
- double& xmin();
- double& xmax();
- double& xsize();
-
- double& ymin();
- double& ymax();
- double& ysize();
-
- double& tix();
-
- // preferred initialization functions
- // corners and dimensions, e.g. "4in x 15cm" or "4 x 6in"
- // (width units take precedence, dimension string must be passed by value)
- void picture(const P& arg1, const P& arg2, std::string);
-
- // same syntax as for picture dimensions
- void offset(std::string);
-
- //// Old global functions for manipulating the page markup region ////
- void bounding_box(const P&, const P&);
-
- void picture(double, double);
- void picture(const P&);
-
- void offset(double hoff, double voff);
- void offset(const P& arg);
-
- void unitlength(const std::string& units);
-
- // activate default screen
- void begin();
- // write the output file
- void end_picture();
-
- //// New global functions ////
- // the_picture().the_canvas
- screen& canvas();
-
- // specify active screen; pass non-const ref only to assign/compare pointer
- void activate(screen&);
- void deactivate(screen&);
-
- // add active or specified screen to the_picture
- void import();
- void inset(const P& sw, const P& ne);
-
- void import(const screen& child);
- void inset(const screen& child, const P& sw, const P& ne);
-
- void inset(const screen& child); // use child's corners
-
- // interpret child's coordinates as true pt on the page,
- // place origin at P
- void inlay(const screen& child, const P& loc);
-
- // interpret stated coord as true pt, the other as Cartesian
- void inlay_vertical(const screen& child, const P& loc);
- void inlay_horizontal(const screen& child, const P& loc);
-
- // set decorations on active screen
- void backing(const Color&);
- void border(const Color&, double); // width in pt
- void border(const Color&, const std::string&);
-
- void backing(); // use current fill style
- void border(); // use current line pen
-
- // write verbatim string to output file
- void write(const std::string&);
-
- void pre_write(const std::string&); // before picture header
- void post_write(const std::string&); // after picture footer
-
- // set output format
- void eepic_format();
- // void mp_format();
- void tikz_format();
- void pst_format();
-
- // write in specified format to named output file
- void print_eepic(const std::string& filename);
- // void print_mp(const std::string& filename);
- void print_tikz(const std::string& filename);
- void print_pst(const std::string& filename);
-
- // allow user to override in-file format request on the command line
- inline void end()
- {
-#ifdef EPIX_FMT_PSTRICKS
- pst_format();
-#else
-#ifdef EPIX_FMT_TIKZ
- tikz_format();
-#else
-#ifdef EPIX_FMT_EEPIC
- eepic_format();
-#endif /* EPIX_FMT_EEPIC */
-#endif /* EPIX_FMT_TIKZ */
-#endif /* EPIX_FMT_PSTRICKS */
- end_picture();
- }
-
- // for implementors of true-size elements
- double pic_units_per_pt(); // exact
- double units_per_pic_unit(); // approximate, exact at true aspect ratio
- double pt_to_screen(double); // true length to screen length
-
- ////////////////////////////////////////////////////////////////
- //// ////
- //// DEPRECATED global variables required for backward ////
- //// compatibility. Will be removed in a future release. ////
- //// Use reference functions xmin() et. al. ////
- //// ////
- ////////////////////////////////////////////////////////////////
-
- // bounding_box corners and dimensions
- extern double x_min, x_max, x_size, y_min, y_max, y_size;
-
-} // end of namespace
-
-#endif /* EPIX_PICTURE */