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/screen_data.h |
Initial commit
Diffstat (limited to 'graphics/epix/screen_data.h')
-rw-r--r-- | graphics/epix/screen_data.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/graphics/epix/screen_data.h b/graphics/epix/screen_data.h new file mode 100644 index 0000000000..582ec1d555 --- /dev/null +++ b/graphics/epix/screen_data.h @@ -0,0 +1,153 @@ +/* + * screen_data.h -- ePiX::screen class implementation + * + * This file is part of ePiX, a C++ library for creating high-quality + * figures in LaTeX + * + * Version 1.1.18 + * Last Change: September 16, 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 + */ + +/* + * This file implements the screen class, a Cartesian rectangle into + * which objects are drawn. This file is not part of epix.h. + */ +#ifndef EPIX_SCREEN_DATA +#define EPIX_SCREEN_DATA + +#include <string> +#include <list> + +#include "pairs.h" + +namespace ePiX { + + class affine; + class Color; + class format; + class length; + class pen_fill; + class pen_line; + class screen_mask; + class tile; + + class screen_data { + public: + screen_data(const pair&, const pair&); + + screen_data(const screen_data&); + screen_data& operator= (const screen_data&); + ~screen_data(); + + screen_data* clone() const; + + screen_data& crop_to(const screen_mask&); + screen_data& crop(); + + + screen_data& set_mask(const screen_mask&); + screen_data& set_crop(bool); + + // cut out and return a region + screen_data extract(const pair&, const pair&) const; + screen_data extract_diamond(const pair&, const pair&) const; + screen_data extract_ellipse(const pair&, const pair&) const; + + // inset and import + screen_data& paste(const screen_data& child, const screen_mask& inset); + screen_data& paste(const screen_data& child); + + screen_data& clear(); + + screen_data& border(const Color&, const std::string&); + screen_data& backing(const Color&); + + screen_data& border(); + screen_data& backing(); + + void add_tile(const tile&); + void add_tile(tile*); + + // wrap=true -> encapsulate in a picture, for legends + std::string print_to(const format&, const length&, bool wrap=false) const; + + // affine operations on contents (not border, backing) + void apply(const affine& af); + void shift(const pair& arg); + + // rotate by theta about ctr + void rotate(double theta, const pair& ctr = pair(0,0)); + + // reflect in angle-theta line through ctr + void reflect(double theta, const pair& ctr = pair(0,0)); + + // scale coord direction(s) fixing ctr + void h_scale(double, const pair& ctr=pair(0,0)); + void v_scale(double, const pair& ctr=pair(0,0)); + void scale(double, const pair& ctr=pair(0,0)); + + // shear, fixing ctr, e.g. h_shear(sc) : (x,y) -> (x+sc*y, y) + void h_shear(double sc, const pair& ctr=pair(0,0)); + void v_shear(double sc, const pair& ctr=pair(0,0)); + + pair tr() const; + pair tl() const; + pair bl() const; + pair br() const; + + pair t() const; + pair b() const; + pair l() const; + pair r() const; + pair c() const; + + double h_min() const; + double h_max() const; + double h_size() const; + double h_avg() const; + + double v_min() const; + double v_max() const; + double v_size() const; + double v_avg() const; + + private: + pair m_bl; + pair m_tr; + + screen_mask* m_mask; + pen_line* m_border; + pen_fill* m_backing; + + bool m_crop; + + std::list<tile*> m_tiles; + }; // end of class screen_data + +} // end of namespace + +#endif /* EPIX_SCREEN_DATA */ |