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.cc |
Initial commit
Diffstat (limited to 'graphics/epix/screen.cc')
-rw-r--r-- | graphics/epix/screen.cc | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/graphics/epix/screen.cc b/graphics/epix/screen.cc new file mode 100644 index 0000000000..2c23a26d68 --- /dev/null +++ b/graphics/epix/screen.cc @@ -0,0 +1,390 @@ +/* + * screen.cc -- ePiX::screen_data class wrapper (for user interface) + * + * 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 + */ +#include <string> +#include <sstream> + +#include "triples.h" +#include "pairs.h" +#include "affine.h" + +#include "Color.h" + +#include "mask_ellipse.h" +#include "mask_rectangle.h" +#include "mask_diamond.h" + +#include "screen_data.h" +#include "screen.h" + +namespace ePiX { + + // N.B. Our interface handles only P, not pair. + // Our implementation works only with pair, not P. + + P __epix_pair2P(const pair& arg) + { + return P(arg.x1(), arg.x2(), 0); + } + + screen::screen() { } + + screen::screen(const P& arg1, const P& arg2) + : m_screen(new screen_data(pair(arg1.x1(), arg1.x2()), + pair(arg2.x1(), arg2.x2()))) { } + + + screen::screen(const screen& sc) + : m_screen(sc.m_screen->clone()) { } + + screen& screen::operator= (const screen& sc) + { + if (this != &sc) + { + screen_data* tmp(sc.m_screen->clone()); + + delete m_screen; + m_screen = tmp; + } + + return *this; + } + + screen::~screen() + { + delete m_screen; + } + + + // Set mask; one named function for each type of screen_mask + screen& screen::crop_mask_rectangle(const P& sw, const P& ne) + { + const pair BL(sw.x1(), sw.x2()); + const pair TR(ne.x1(), ne.x2()); + + m_screen->set_mask(mask_rectangle(BL, TR)); + return *this; + } + + screen& screen::crop_mask_ellipse(const P& sw, const P& ne) + { + const pair BL(sw.x1(), sw.x2()); + const pair TR(ne.x1(), ne.x2()); + + m_screen->set_mask(mask_ellipse(BL, TR)); + return *this; + } + + screen& screen::crop_mask_diamond(const P& sw, const P& ne) + { + const pair BL(sw.x1(), sw.x2()); + const pair TR(ne.x1(), ne.x2()); + + m_screen->set_mask(mask_diamond(BL, TR)); + return *this; + } + + // masks' cardinal points lie on circumrectangle, corners may not + screen& screen::crop_mask_rectangle() + { + const pair BL((m_screen->l()).x1(), (m_screen->b()).x2()); + const pair TR((m_screen->r()).x1(), (m_screen->t()).x2()); + + m_screen->set_mask(mask_rectangle(BL, TR)); + return *this; + } + + screen& screen::crop_mask_ellipse() + { + const pair BL((m_screen->l()).x1(), (m_screen->b()).x2()); + const pair TR((m_screen->r()).x1(), (m_screen->t()).x2()); + + m_screen->set_mask(mask_ellipse(BL, TR)); + return *this; + } + + screen& screen::crop_mask_diamond() + { + const pair BL((m_screen->l()).x1(), (m_screen->b()).x2()); + const pair TR((m_screen->r()).x1(), (m_screen->t()).x2()); + + m_screen->set_mask(mask_diamond(BL, TR)); + return *this; + } + + + screen screen::extract(const P& arg1, const P& arg2) const + { + screen value(arg1, arg2); + + value.m_screen + = new screen_data(m_screen->extract(pair(arg1.x1(), arg1.x2()), + pair(arg2.x1(), arg2.x2()))); + return value; + } + + screen screen::extract_diamond(const P& arg1, const P& arg2) const + { + screen value(arg1, arg2); + + value.m_screen + = new screen_data(m_screen->extract_diamond(pair(arg1.x1(), arg1.x2()), + pair(arg2.x1(), arg2.x2()))); + return value; + } + + screen screen::extract_ellipse(const P& arg1, const P& arg2) const + { + screen value(arg1, arg2); + + value.m_screen + = new screen_data(m_screen->extract_ellipse(pair(arg1.x1(), arg1.x2()), + pair(arg2.x1(), arg2.x2()))); + return value; + } + + + screen& screen::set_crop(bool arg) + { + m_screen->set_crop(arg); + return *this; + } + + // crop contents to current mask + screen& screen::crop() + { + m_screen->crop(); + return *this; + } + + + // inset and import + screen& screen::paste(const screen& child, const P& sw, const P& ne) + { + m_screen->paste(*(child.m_screen), mask_rectangle(pair(sw.x1(), sw.x2()), + pair(ne.x1(), ne.x2()))); + return *this; + } + + screen& screen::paste(const screen& child) + { + m_screen->paste(*(child.m_screen)); + return *this; + } + + screen& screen::clear() + { + m_screen->clear(); + return *this; + } + + screen& screen::border(const Color& col, double len) + { + std::stringstream buf; + buf << len << "pt"; + m_screen->border(col, buf.str()); + return *this; + } + + screen& screen::border(const Color& col, const std::string& len) + { + m_screen->border(col, len); + return *this; + } + + screen& screen::backing(const Color& col) + { + m_screen->backing(col); + return *this; + } + + + screen& screen::border() + { + m_screen->border(); + return *this; + } + + screen& screen::backing() + { + m_screen->backing(); + return *this; + } + + // affine operations on contents (not border, backing) + screen& screen::apply(const affine& af) + { + m_screen->apply(af); + return *this; + } + + screen& screen::shift(const P& arg) + { + m_screen->shift(pair(arg.x1(), arg.x2())); + return *this; + } + + // rotate by theta about ctr + screen& screen::rotate(double theta, const P& ctr) + { + m_screen->rotate(theta, pair(ctr.x1(), ctr.x2())); + return *this; + } + + // reflect in angle-theta line through ctr + screen& screen::reflect(double theta, const P& ctr) + { + m_screen->reflect(theta, pair(ctr.x1(), ctr.x2())); + return *this; + } + + // scale coord direction(s) fixing ctr + screen& screen::h_scale(double sc, const P& ctr) + { + m_screen->h_scale(sc, pair(ctr.x1(), ctr.x2())); + return *this; + } + + screen& screen::v_scale(double sc, const P& ctr) + { + m_screen->v_scale(sc, pair(ctr.x1(), ctr.x2())); + return *this; + } + + screen& screen::scale(double sc, const P& ctr) + { + m_screen->scale(sc, pair(ctr.x1(), ctr.x2())); + return *this; + } + + // shear, fixing ctr, e.g. h_shear(sc) : (x,y) -> (x+sc*y, y) + screen& screen::h_shear(double sc, const P& ctr) + { + m_screen->h_shear(sc, pair(ctr.x1(), ctr.x2())); + return *this; + } + + screen& screen::v_shear(double sc, const P& ctr) + { + m_screen->v_shear(sc, pair(ctr.x1(), ctr.x2())); + return *this; + } + + P screen::tr() const + { + return __epix_pair2P(m_screen->tr()); + } + + P screen::tl() const + { + return __epix_pair2P(m_screen->tl()); + } + + P screen::bl() const + { + return __epix_pair2P(m_screen->bl()); + } + + P screen::br() const + { + return __epix_pair2P(m_screen->br()); + } + + + P screen::t() const + { + return __epix_pair2P(m_screen->t()); + } + + P screen::b() const + { + return __epix_pair2P(m_screen->b()); + } + + P screen::l() const + { + return __epix_pair2P(m_screen->l()); + } + + P screen::r() const + { + return __epix_pair2P(m_screen->r()); + } + + P screen::c() const + { + return __epix_pair2P(m_screen->c()); + } + + + double screen::h_min() const + { + return m_screen->h_min(); + } + + double screen::h_max() const + { + return m_screen->h_max(); + } + + double screen::h_size() const + { + return m_screen->h_size(); + } + + double screen::h_avg() const + { + return m_screen->h_avg(); + } + + + double screen::v_min() const + { + return m_screen->v_min(); + } + + double screen::v_max() const + { + return m_screen->v_max(); + } + + double screen::v_size() const + { + return m_screen->v_size(); + } + + double screen::v_avg() const + { + return m_screen->v_avg(); + } +} // end of namespace |