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Diffstat (limited to 'graphics/epix/picture_data.h')
-rw-r--r-- | graphics/epix/picture_data.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/graphics/epix/picture_data.h b/graphics/epix/picture_data.h new file mode 100644 index 0000000000..518dbb966b --- /dev/null +++ b/graphics/epix/picture_data.h @@ -0,0 +1,113 @@ +/* + * picture_data.h -- ePiX::picture implementation class + * + * This file is part of ePiX, a C++ library for creating high-quality + * figures in LaTeX + * + * Version 1.1.7 + * Last Change: July 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 + */ + +/* + * The picture_data class was designed with three primary goals: + * + * (i) Encapsulate state data formerly scattered (and inconsistently + * structured) through multiple files, + * + * (ii) Provide some of the flexibility of building a scene in memory + * instead of writing data immediately to the output, + * + * (iii) Ensure compatibility with existing syntax. + * + * A picture_data comprises two screens (canvas -- the bounding_box, and + * page -- the picture box), unitlength and offsets, state data + * (clip_box; angle units; styles for labels, painting, and arrowheads), + * and a set of colors so that color dclarations in the output file can + * be made using named colors. + * + * Dozens of global and member functions need to access and modify + * the_picture(). Instead of making these functions friends, our data + * (except for the color pallet) are public. Under the circumstances, + * this seemed the Path of Least Evil. + */ +#ifndef EPIX_PICTURE_DATA +#define EPIX_PICTURE_DATA + +#include <string> +#include <list> +#include <set> + +#include "verbatim.h" + +#include "length.h" +#include "Color.h" +#include "screen.h" + +namespace ePiX { + + class format; + + class picture_data { + public: + // rely on members' default constructors + picture_data(); + + picture_data(const picture_data&); + picture_data& operator= (const picture_data&); + ~picture_data(); + + picture_data& add_to_pallet(const Color&); + + void set_format(const format&); + + // output requires knowledge of unitlength; all other ops handled by data + void print(); + void print_to(const format&); + void print_to(const std::string& filename, const format&); + + void pre_write(const std::string&); + void post_write(const std::string&); + + //// public data (true size, offsets, and screens) //// + length the_unitlength; + length the_hoffset, the_voffset; + + screen the_canvas; + screen the_page; + + + private: + format* m_format; + std::set<Color> m_pallet; + // user-specified strings to be written before/after start of picture + std::list<verbatim> m_pre_writes; + std::list<verbatim> m_post_writes; + }; // end of class picture_data + +} // end of namespace + +#endif /* EPIX_PICTURE_DATA */ |