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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/screen.cc
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+/*
+ * 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