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# display.cpp

    00001 /*
    00002 * <display.cpp>
    00003 * Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
    00004 * (C) OPAC Team, LIFL, 2002-2007
    00005 *
    00006 * Sebastien Cahon, Alexandru-Adrian Tantar
    00007 *
    00008 * This software is governed by the CeCILL license under French law and
    00009 * abiding by the rules of distribution of free software.  You can  use,
    00010 * modify and/ or redistribute the software under the terms of the CeCILL
    00011 * license as circulated by CEA, CNRS and INRIA at the following URL
    00012 * "http://www.cecill.info".
    00013 *
    00014 * As a counterpart to the access to the source code and  rights to copy,
    00015 * modify and redistribute granted by the license, users are provided only
    00016 * with a limited warranty  and the software's author,  the holder of the
    00017 * economic rights,  and the successive licensors  have only  limited liability.
    00018 *
    00019 * In this respect, the user's attention is drawn to the risks associated
    00020 * with loading,  using,  modifying and/or developing or reproducing the
    00021 * software by the user in light of its specific status of free software,
    00022 * that may mean  that it is complicated to manipulate,  and  that  also
    00023 * therefore means  that it is reserved for developers  and  experienced
    00024 * professionals having in-depth computer knowledge. Users are therefore
    00025 * encouraged to load and test the software's suitability as regards their
    00026 * requirements in conditions enabling the security of their systems and/or
    00027 * data to be ensured and,  more generally, to use and operate it in the
    00028 * same conditions as regards security.
    00029 * The fact that you are presently reading this means that you have had
    00030 * knowledge of the CeCILL license and that you accept its terms.
    00031 *
    00032 * ParadisEO WebSite : http://paradiseo.gforge.inria.fr
    00033 * Contact: paradiseo-help@lists.gforge.inria.fr
    00034 *
    00035 */
    00036
    00037 #include <iostream>
    00038 #include <fstream>
    00039
    00040 #include <X11/Xlib.h>
    00041
    00042 #include "display.h"
    00043 #include "node.h"
    00044 #include "opt_route.h"
    00045
    00046 #define BORDER 20
    00047 #define RATIO 0.5
    00048
    00049 #define screen_width 1024
    00050 #define screen_height 768
    00051
    00052 static const char * filename;
    00053
    00054 /* Computed coordinates */
    00055 static unsigned * X_new_coord, * Y_new_coord ;
    00056
    00057 /* this variable will contain the handle to the returned graphics context. */
    00058 static GC gc;
    00059
    00060 /* this variable will contain the pointer to the Display structure */
    00061 static Display* disp;
    00062
    00063 /* this variable will store the ID of the newly created window. */
    00064 static Window win;
    00065
    00066 static int screen;
    00067
    00068 /* Create a new backing pixmap of the appropriate size */
    00069
    00070   /* Best tour */
    00071   /*
    00072   gdk_gc_set_line_attributes (gc, 2,  GDK_LINE_ON_OFF_DASH, GDK_CAP_NOT_LAST, GDK_JOIN_MITER) ;
    00073
    00074   gdk_gc_set_foreground  (gc, & color_green) ;
    00075
    00076   for (int i = 0 ; i < (int) numNodes ; i ++) {
    00077
    00078     gdk_draw_line (pixmap, gc,
    00079                    X_new_coord [opt_route [i]],
    00080                    Y_new_coord [opt_route [i]],
    00081                    X_new_coord [opt_route [(i + 1) % numNodes]],
    00082                    Y_new_coord [opt_route [(i + 1) % numNodes]]);
    00083
    00084                    }*/
    00085
    00086 void openMainWindow (const char * __filename) {
    00087
    00088   filename = __filename;
    00089
    00090   /* Map */
    00091   int map_width = (int) (X_max - X_min);
    00092   int map_height = (int) (Y_max - Y_min);
    00093   int map_side = std :: max (map_width, map_height);
    00094
    00095   /* Calculate the window's width and height. */
    00096   int win_width = (int) (screen_width * RATIO * map_width / map_side);
    00097   int win_height = (int) (screen_height * RATIO * map_height / map_side);
    00098
    00099   /* Computing the coordinates */
    00100   X_new_coord = new unsigned [numNodes];
    00101   Y_new_coord = new unsigned [numNodes];
    00102
    00103   for (unsigned i = 0; i < numNodes; i ++) {
    00104     X_new_coord [i] = (unsigned) (win_width * (1.0 - (X_coord [i] - X_min) / map_width) + BORDER);
    00105     Y_new_coord [i] = (unsigned) (win_height * (1.0 - (Y_coord [i] - Y_min) / map_height) + BORDER);
    00106   }
    00107
    00108   /* Initialisation */
    00109   XGCValues val ;
    00110
    00111   disp = XOpenDisplay (NULL) ;
    00112   screen = DefaultScreen (disp) ;
    00113   win = XCreateSimpleWindow (disp, RootWindow (disp, screen), 0, 0, win_width + 2 * BORDER, win_height + 2 * BORDER, 2, BlackPixel (disp, screen), WhitePixel (disp, screen)) ;
    00114   val.foreground = BlackPixel(disp, screen) ;
    00115   val.background = WhitePixel(disp, screen) ;
    00116   gc = XCreateGC (disp, win, GCForeground | GCBackground, & val) ;
    00117
    00118   XMapWindow (disp, win) ;
    00119   XFlush (disp) ;
    00120
    00121   while (true) {
    00122     XClearWindow (disp, win) ;
    00123
    00124     /* Vertices as circles */
    00125     for (unsigned i = 1 ; i < numNodes ; i ++)
    00126       XDrawArc (disp, win, gc, X_new_coord [i] - 1, Y_new_coord [i] - 1, 3, 3, 0, 364 * 64) ;
    00127
    00128     /* New tour */
    00129     std :: ifstream f (filename);
    00130     if (f) {
    00131       Route route;
    00132       f >> route;
    00133       f.close ();
    00134
    00135       for (int i = 0; i < (int) numNodes; i ++)
    00136         XDrawLine (disp, win, gc,
    00137                    X_new_coord [route [i]],
    00138                  Y_new_coord [route [i]],
    00139                    X_new_coord [route [(i + 1) % numNodes]],
    00140                    Y_new_coord [route [(i + 1) % numNodes]]);
    00141     }
    00142     XFlush (disp) ;
    00143     sleep (1) ;
    00144   }
    00145 }