mirror of https://github.com/CGAL/cgal
Finish the cleanup of the Qt3 demo of Snap_rounding_2
This commit is contained in:
Laurent Rineau
parent
8ecb2bd1f2
commit
c6b1e562f4
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// Copyright (c) 2001 Tel-Aviv University (Israel).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Eli Packer <elip@post.tau.ac.il>
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#include <CGAL/basic.h>
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#include <cstdlib>
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#include "cgal_types.h"
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//global flags and variables
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int current_state;
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const QString my_title_string("2D Snap Rounding");
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std::list<Segment_2> seg_list;
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std::list<std::list<Point_2> > output_list;
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Number_type prec;
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#include "snap_rounding_2_layers.h"
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#include "snap_rounding_2_toolbar.h"
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#include <fstream>
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#include <qapplication.h>
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#include <qiconset.h>
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#include <qmainwindow.h>
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#include <qstatusbar.h>
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#include <qfiledialog.h>
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#include <qmessagebox.h>
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#include <qpopupmenu.h>
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#include <qprogressdialog.h>
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#include <qmenubar.h>
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#include <qtoolbutton.h>
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#include <qtoolbar.h>
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#include <qfiledialog.h>
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#include <qtimer.h>
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Number_type min3(const Number_type & p, const Number_type & q, Number_type & r)
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{
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return(p > q ? (CGAL::min)(q,r) : (CGAL::min)(p,r));
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}
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Number_type max3(const Number_type & p,const Number_type & q,
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const Number_type & r)
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{
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return(p > q ? (CGAL::max)(p,r) : (CGAL::max)(q,r));
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}
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void get_extreme_points(std::list<Segment_2> &seg_list,
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Number_type &min_x,
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Number_type &min_y,
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Number_type &max_x,
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Number_type &max_y)
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{
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std::list<Segment_2>::iterator iter = seg_list.begin();
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min_x = (CGAL::min)(iter->source().x(),iter->target().x());
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max_x = (CGAL::max)(iter->source().x(),iter->target().x());
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min_y = (CGAL::min)(iter->source().y(),iter->target().y());
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max_y = (CGAL::max)(iter->source().y(),iter->target().y());
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for(++iter;iter != seg_list.end();++iter) {
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min_x = min3(iter->source().x(),iter->target().x(),min_x);
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max_x = max3(iter->source().x(),iter->target().x(),max_x);
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min_y = min3(iter->source().y(),iter->target().y(),min_y);
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max_y = max3(iter->source().y(),iter->target().y(),max_y);
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}
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}
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class MyWindow : public QMainWindow
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{
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Q_OBJECT
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public:
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MyWindow(int w, int h){
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widget = new CGAL::Qt_widget(this);
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setCentralWidget(widget);
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//create a timer for checking if somthing changed
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QTimer *timer = new QTimer( this );
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connect( timer, SIGNAL(timeout()),
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this, SLOT(timer_done()) );
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timer->start( 200, FALSE );
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// file menu
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QPopupMenu * file = new QPopupMenu( this );
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menuBar()->insertItem( "&File", file );
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file->insertItem("&New", this, SLOT(new_instance()), CTRL+Key_N);
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file->insertItem("New &Window", this, SLOT(new_window()), CTRL+Key_W);
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file->insertItem("&Open", this, SLOT(open()), CTRL+Key_O);
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file->insertItem("&Save", this, SLOT(save()), CTRL+Key_S);
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file->insertSeparator();
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file->insertItem("Print", widget, SLOT(print_to_ps()), CTRL+Key_P);
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file->insertSeparator();
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file->insertItem( "&Close", this, SLOT(close()), CTRL+Key_X );
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file->insertItem( "&Quit", qApp, SLOT( closeAllWindows() ), CTRL+Key_Q );
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// help menu
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QPopupMenu * help = new QPopupMenu( this );
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menuBar()->insertItem( "&Help", help );
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help->insertItem("How To", this, SLOT(howto()), Key_F1);
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help->insertSeparator();
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help->insertItem("&About", this, SLOT(about()), CTRL+Key_A );
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help->insertItem("About &Qt", this, SLOT(aboutQt()) );
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//the standard toolbar
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stoolbar = new CGAL::Qt_widget_standard_toolbar (widget, this, "ST");
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//the new tools toolbar
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newtoolbar = new Tools_toolbar(widget, this, &seg_list);
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QToolBar * layers_toolbar = new QToolBar(this, "layers");
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QIconSet set0(QPixmap( (const char**)show_hot_points_small_xpm ),
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QPixmap( (const char**)show_hot_points_xpm ));
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QIconSet set1(QPixmap( (const char**)show_inputs_small_xpm ),
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QPixmap( (const char**)show_inputs_xpm ));
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QIconSet set2(QPixmap( (const char**)show_outputs_small_xpm ),
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QPixmap( (const char**)show_outputs_xpm ));
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QIconSet set3(QPixmap( (const char**)grid_xpm ),
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QPixmap( (const char**)grid_xpm ));
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but1 = new QToolButton(layers_toolbar, "show_hp");
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but1->setIconSet(set0);
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but1->setToggleButton(true);
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but1->toggle();
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but1->setTextLabel(QString("Show hot points"));
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but2 = new QToolButton(layers_toolbar, "show_input");
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but2->setIconSet(set1);
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but2->setToggleButton(true);
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but2->toggle();
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but2->setTextLabel(QString("Show input segments"));
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but3 = new QToolButton(layers_toolbar, "show_output");
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but3->setIconSet(set2);
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but3->setToggleButton(true);
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but3->toggle();
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but3->setTextLabel(QString("Show output segments"));
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but4 = new QToolButton(layers_toolbar, "show_grid");
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but4->setIconSet(set3);
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but4->setToggleButton(true);
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but4->toggle();
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but4->setTextLabel(QString("Show grid"));
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connect(but1, SIGNAL(stateChanged(int)),
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this, SLOT(toggle_hd(int)));
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connect(but2, SIGNAL(stateChanged(int)),
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this, SLOT(toggle_inputs(int)));
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connect(but3, SIGNAL(stateChanged(int)),
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this, SLOT(toggle_output(int)));
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connect(but4, SIGNAL(stateChanged(int)),
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this, SLOT(toggle_grid(int)));
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*widget << CGAL::LineWidth(2) << CGAL::BackgroundColor (CGAL::WHITE);
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resize(w,h);
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widget->set_window(-10.1, 10.1, -10.1, 10.1);
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widget->setMouseTracking(TRUE);
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//connect the widget to the main function that receives the objects
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connect(widget, SIGNAL(new_cgal_object(CGAL::Object)),
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this, SLOT(get_new_object(CGAL::Object)));
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//application flag stuff
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old_state = 0;
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//layers
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ssl.show_output = true;
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ssl.show_input = true;
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ssl.show_hp = true;
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ssl.show_grid = true;
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widget->attach(&ssl);
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prec = 1;
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};
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private:
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void something_changed(){current_state++;};
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public slots:
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void new_instance()
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{
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widget->lock();
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seg_list.clear();
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output_list.clear();
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stoolbar->clear_history();
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widget->set_window(-10.1, 10.1, -10.1, 10.1);
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// set the Visible Area to the Interval
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widget->unlock();
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something_changed();
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}
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void toggle_hd(int i)
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{
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if(i)
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ssl.show_hp = true;
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else
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ssl.show_hp = false;
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widget->redraw();
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}
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void toggle_inputs(int i)
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{
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if(i)
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ssl.show_input = true;
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else
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ssl.show_input = false;
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widget->redraw();
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}
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void toggle_output(int i)
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{
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if(i)
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ssl.show_output = true;
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else
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ssl.show_output = false;
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widget->redraw();
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}
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/*! Toggle the display of the grid */
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void toggle_grid(int i)
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{
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ssl.show_grid = i != 0;
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widget->redraw();
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}
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void open(){
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QString s( QFileDialog::getOpenFileName( QString::null,
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"CGAL files (*.cgal);;All files (*)", this ) );
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if ( s.isEmpty() )
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return;
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seg_list.clear();
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std::ifstream in(s.ascii());
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CGAL::set_ascii_mode(in);
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int number_of_segments = 0,i;
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CGAL::Segment_data<Rep> seg;
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Number_type x1,y1,x2,y2;
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in >> number_of_segments;
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in >> prec;
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if(number_of_segments < 1) {
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std::cerr << "Bad input file(number of segments)" << std::endl;
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std::exit(1);
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}
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QProgressDialog progress("Loading segments", "Abort loading",
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number_of_segments, this, "progress", true);
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progress.show();
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for(i = 0;i < number_of_segments;++i) {
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progress.setProgress(i);
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in >> x1;
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in >> y1;
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in >> x2;
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in >> y2;
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seg_list.push_back(Segment_2(Point_2(x1, y1), Point_2(x2, y2)));
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}
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progress.setProgress( number_of_segments);
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get_extreme_points(seg_list, x1, y1, x2, y2);
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widget->set_window(CGAL::to_double(x1), CGAL::to_double(x2),
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CGAL::to_double(y1), CGAL::to_double(y2));
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progress.setProgress(1);
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QLabel l1(this);
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l1.setText(QString("Processing segments with snap_rounding_2 ..."));
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progress.setLabel(&l1);
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progress.show();
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if(i == number_of_segments){ //nobody pressed "Abort loading"
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CGAL::snap_rounding_2<Sr_traits,std::list<Segment_2>::const_iterator,
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std::list<std::list<Point_2> > >
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(seg_list.begin(), seg_list.end(), output_list, prec, true, false, 5);
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}
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progress.setProgress(number_of_segments);
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something_changed();
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}//end open() slot
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void save(){
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QString fileName =
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QFileDialog::getSaveFileName( "data1.cgal",
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"Cgal files (*.cgal)", this );
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if ( !fileName.isNull() ) {
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// got a file name
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std::ofstream out(fileName.ascii());
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CGAL::set_ascii_mode(out);
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out << seg_list.size() << std::endl << prec << std::endl;
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std::list<Segment_2>::const_iterator it = seg_list.begin();
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while(it!= seg_list.end()){
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out << *it << std::endl;
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it++;
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}
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}
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}//end save() slot
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private slots:
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void get_new_object(CGAL::Object obj)
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{
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Segment_2 s;
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if(CGAL::assign(s,obj)) {
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seg_list.push_back(s);
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CGAL::snap_rounding_2<Sr_traits,std::list<Segment_2>::const_iterator,
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std::list<std::list<Point_2> > >
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(seg_list.begin(), seg_list.end(), output_list, prec, true, false, 5);
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something_changed();
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}
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};
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void about()
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{
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QMessageBox::about( this, my_title_string,
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"This is a demo for Snap_rounding_2\n"
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"Copyright CGAL @2004");
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};
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void aboutQt()
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{
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QMessageBox::aboutQt( this, my_title_string );
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}
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void howto()
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{
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QString home;
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home = "help/index.html";
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CGAL::Qt_help_window *help = new
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CGAL::Qt_help_window(home, ".", 0, "help viewer");
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help->resize(400, 400);
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help->setCaption("Demo HowTo");
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help->show();
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}
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void new_window()
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{
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MyWindow *ed = new MyWindow(500, 500);
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ed->setCaption("Layer");
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ed->stoolbar->clear_history();
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ed->widget->set_window(-10.1, 10.1, -10.1, 10.1);
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ed->show();
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something_changed();
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}
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void timer_done()
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{
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if(old_state!=current_state){
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widget->redraw();
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old_state = current_state;
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}
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}
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private:
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CGAL::Qt_widget *widget;
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CGAL::Qt_widget_standard_toolbar
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*stoolbar;
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Tools_toolbar *newtoolbar;
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int old_state;
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show_segments_layer ssl;
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QToolButton *but1, *but2, *but3, *but4;
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};
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#include "snap_rounding_2.moc"
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int
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main(int argc, char **argv)
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{
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QApplication app( argc, argv );
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MyWindow widget(500,500); // physical window size
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app.setMainWidget(&widget);
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widget.setCaption(my_title_string);
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widget.setMouseTracking(TRUE);
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QPixmap cgal_icon = QPixmap((const char**)demoicon_xpm);
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widget.setIcon(cgal_icon);
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widget.show();
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current_state = -1;
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return app.exec();
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}
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