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2007-10-08 09:41:23 +00:00

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<h1>display.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* </span>
<a name="l00002"></a>00002 <span class="comment">* &lt;display.cpp&gt;</span>
<a name="l00003"></a>00003 <span class="comment">* Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007</span>
<a name="l00004"></a>00004 <span class="comment">* (C) OPAC Team, LIFL, 2002-2007</span>
<a name="l00005"></a>00005 <span class="comment">*</span>
<a name="l00006"></a>00006 <span class="comment">* Sebastien Cahon, Alexandru-Adrian Tantar</span>
<a name="l00007"></a>00007 <span class="comment">*</span>
<a name="l00008"></a>00008 <span class="comment">* This software is governed by the CeCILL license under French law and</span>
<a name="l00009"></a>00009 <span class="comment">* abiding by the rules of distribution of free software. You can use,</span>
<a name="l00010"></a>00010 <span class="comment">* modify and/ or redistribute the software under the terms of the CeCILL</span>
<a name="l00011"></a>00011 <span class="comment">* license as circulated by CEA, CNRS and INRIA at the following URL</span>
<a name="l00012"></a>00012 <span class="comment">* "http://www.cecill.info".</span>
<a name="l00013"></a>00013 <span class="comment">*</span>
<a name="l00014"></a>00014 <span class="comment">* As a counterpart to the access to the source code and rights to copy,</span>
<a name="l00015"></a>00015 <span class="comment">* modify and redistribute granted by the license, users are provided only</span>
<a name="l00016"></a>00016 <span class="comment">* with a limited warranty and the software's author, the holder of the</span>
<a name="l00017"></a>00017 <span class="comment">* economic rights, and the successive licensors have only limited liability.</span>
<a name="l00018"></a>00018 <span class="comment">*</span>
<a name="l00019"></a>00019 <span class="comment">* In this respect, the user's attention is drawn to the risks associated</span>
<a name="l00020"></a>00020 <span class="comment">* with loading, using, modifying and/or developing or reproducing the</span>
<a name="l00021"></a>00021 <span class="comment">* software by the user in light of its specific status of free software,</span>
<a name="l00022"></a>00022 <span class="comment">* that may mean that it is complicated to manipulate, and that also</span>
<a name="l00023"></a>00023 <span class="comment">* therefore means that it is reserved for developers and experienced</span>
<a name="l00024"></a>00024 <span class="comment">* professionals having in-depth computer knowledge. Users are therefore</span>
<a name="l00025"></a>00025 <span class="comment">* encouraged to load and test the software's suitability as regards their</span>
<a name="l00026"></a>00026 <span class="comment">* requirements in conditions enabling the security of their systems and/or</span>
<a name="l00027"></a>00027 <span class="comment">* data to be ensured and, more generally, to use and operate it in the</span>
<a name="l00028"></a>00028 <span class="comment">* same conditions as regards security.</span>
<a name="l00029"></a>00029 <span class="comment">* The fact that you are presently reading this means that you have had</span>
<a name="l00030"></a>00030 <span class="comment">* knowledge of the CeCILL license and that you accept its terms.</span>
<a name="l00031"></a>00031 <span class="comment">*</span>
<a name="l00032"></a>00032 <span class="comment">* ParadisEO WebSite : http://paradiseo.gforge.inria.fr</span>
<a name="l00033"></a>00033 <span class="comment">* Contact: paradiseo-help@lists.gforge.inria.fr</span>
<a name="l00034"></a>00034 <span class="comment">*</span>
<a name="l00035"></a>00035 <span class="comment">*/</span>
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;fstream&gt;</span>
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;X11/Xlib.h&gt;</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="preprocessor">#include "display.h"</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include "node.h"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "opt_route.h"</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#define BORDER 20</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#define RATIO 0.5</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="preprocessor">#define screen_width 1024</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#define screen_height 768</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span>
<a name="l00052"></a>00052 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * filename;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">/* Computed coordinates */</span>
<a name="l00055"></a>00055 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> * X_new_coord, * Y_new_coord ;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">/* this variable will contain the handle to the returned graphics context. */</span>
<a name="l00058"></a>00058 <span class="keyword">static</span> GC gc;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">/* this variable will contain the pointer to the Display structure */</span>
<a name="l00061"></a>00061 <span class="keyword">static</span> Display* disp;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">/* this variable will store the ID of the newly created window. */</span>
<a name="l00064"></a>00064 <span class="keyword">static</span> Window win;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keywordtype">int</span> screen;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">/* Create a new backing pixmap of the appropriate size */</span>
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="comment">/* Best tour */</span>
<a name="l00071"></a>00071 <span class="comment">/*</span>
<a name="l00072"></a>00072 <span class="comment"> gdk_gc_set_line_attributes (gc, 2, GDK_LINE_ON_OFF_DASH, GDK_CAP_NOT_LAST, GDK_JOIN_MITER) ;</span>
<a name="l00073"></a>00073 <span class="comment"></span>
<a name="l00074"></a>00074 <span class="comment"> gdk_gc_set_foreground (gc, &amp; color_green) ; </span>
<a name="l00075"></a>00075 <span class="comment"></span>
<a name="l00076"></a>00076 <span class="comment"> for (int i = 0 ; i &lt; (int) numNodes ; i ++) {</span>
<a name="l00077"></a>00077 <span class="comment"></span>
<a name="l00078"></a>00078 <span class="comment"> gdk_draw_line (pixmap, gc,</span>
<a name="l00079"></a>00079 <span class="comment"> X_new_coord [opt_route [i]],</span>
<a name="l00080"></a>00080 <span class="comment"> Y_new_coord [opt_route [i]],</span>
<a name="l00081"></a>00081 <span class="comment"> X_new_coord [opt_route [(i + 1) % numNodes]],</span>
<a name="l00082"></a>00082 <span class="comment"> Y_new_coord [opt_route [(i + 1) % numNodes]]);</span>
<a name="l00083"></a>00083 <span class="comment"> </span>
<a name="l00084"></a>00084 <span class="comment"> }*/</span>
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">void</span> openMainWindow (<span class="keyword">const</span> <span class="keywordtype">char</span> * __filename) {
<a name="l00087"></a>00087
<a name="l00088"></a>00088 filename = __filename;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="comment">/* Map */</span>
<a name="l00091"></a>00091 <span class="keywordtype">int</span> map_width = (int) (X_max - X_min);
<a name="l00092"></a>00092 <span class="keywordtype">int</span> map_height = (int) (Y_max - Y_min);
<a name="l00093"></a>00093 <span class="keywordtype">int</span> map_side = std :: max (map_width, map_height);
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="comment">/* Calculate the window's width and height. */</span>
<a name="l00096"></a>00096 <span class="keywordtype">int</span> win_width = (int) (screen_width * RATIO * map_width / map_side);
<a name="l00097"></a>00097 <span class="keywordtype">int</span> win_height = (int) (screen_height * RATIO * map_height / map_side);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">/* Computing the coordinates */</span>
<a name="l00100"></a>00100 X_new_coord = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> [numNodes];
<a name="l00101"></a>00101 Y_new_coord = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> [numNodes];
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; numNodes; i ++) {
<a name="l00104"></a>00104 X_new_coord [i] = (<span class="keywordtype">unsigned</span>) (win_width * (1.0 - (X_coord [i] - X_min) / map_width) + BORDER);
<a name="l00105"></a>00105 Y_new_coord [i] = (unsigned) (win_height * (1.0 - (Y_coord [i] - Y_min) / map_height) + BORDER);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="comment">/* Initialisation */</span>
<a name="l00109"></a>00109 XGCValues val ;
<a name="l00110"></a>00110
<a name="l00111"></a>00111 disp = XOpenDisplay (NULL) ;
<a name="l00112"></a>00112 screen = DefaultScreen (disp) ;
<a name="l00113"></a>00113 win = XCreateSimpleWindow (disp, RootWindow (disp, screen), 0, 0, win_width + 2 * BORDER, win_height + 2 * BORDER, 2, BlackPixel (disp, screen), WhitePixel (disp, screen)) ;
<a name="l00114"></a>00114 val.foreground = BlackPixel(disp, screen) ;
<a name="l00115"></a>00115 val.background = WhitePixel(disp, screen) ;
<a name="l00116"></a>00116 gc = XCreateGC (disp, win, GCForeground | GCBackground, &amp; val) ;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 XMapWindow (disp, win) ;
<a name="l00119"></a>00119 XFlush (disp) ;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordflow">while</span> (<span class="keyword">true</span>) {
<a name="l00122"></a>00122 XClearWindow (disp, win) ;
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="comment">/* Vertices as circles */</span>
<a name="l00125"></a>00125 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 1 ; i &lt; numNodes ; i ++)
<a name="l00126"></a>00126 XDrawArc (disp, win, gc, X_new_coord [i] - 1, Y_new_coord [i] - 1, 3, 3, 0, 364 * 64) ;
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="comment">/* New tour */</span>
<a name="l00129"></a>00129 std :: ifstream f (filename);
<a name="l00130"></a>00130 <span class="keywordflow">if</span> (f) {
<a name="l00131"></a>00131 <a class="codeRef" doxygen="eo.doxytag:http://eodev.sourceforge.net/eo/doc/html/" href="http://eodev.sourceforge.net/eo/doc/html/classeo_vector.html">Route</a> route;
<a name="l00132"></a>00132 f &gt;&gt; route;
<a name="l00133"></a>00133 f.close ();
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; (int) numNodes; i ++)
<a name="l00136"></a>00136 XDrawLine (disp, win, gc,
<a name="l00137"></a>00137 X_new_coord [route [i]],
<a name="l00138"></a>00138 Y_new_coord [route [i]],
<a name="l00139"></a>00139 X_new_coord [route [(i + 1) % numNodes]],
<a name="l00140"></a>00140 Y_new_coord [route [(i + 1) % numNodes]]);
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 XFlush (disp) ;
<a name="l00143"></a>00143 sleep (1) ;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 }
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