paradiseo-peo modifs 0.2
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trunk/paradiseo-peo/examples/html/display_8cpp-source.html
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<h1>display.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
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<a name="l00002"></a>00002
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<a name="l00003"></a>00003 <span class="comment">// "display.cpp"</span>
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<a name="l00004"></a>00004
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<a name="l00005"></a>00005 <span class="comment">// (c) OPAC Team, LIFL, January 2006</span>
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<a name="l00006"></a>00006
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<a name="l00007"></a>00007 <span class="comment">/* This library is free software; you can redistribute it and/or</span>
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<a name="l00008"></a>00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
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<a name="l00009"></a>00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
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<a name="l00010"></a>00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
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<a name="l00011"></a>00011 <span class="comment"> </span>
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<a name="l00012"></a>00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
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<a name="l00013"></a>00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<a name="l00014"></a>00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
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<a name="l00015"></a>00015 <span class="comment"> Lesser General Public License for more details.</span>
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<a name="l00016"></a>00016 <span class="comment"> </span>
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<a name="l00017"></a>00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
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<a name="l00018"></a>00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
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<a name="l00019"></a>00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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<a name="l00020"></a>00020 <span class="comment"> </span>
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<a name="l00021"></a>00021 <span class="comment"> Contact: cahon@lifl.fr</span>
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<a name="l00022"></a>00022 <span class="comment">*/</span>
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<a name="l00023"></a>00023
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<a name="l00024"></a>00024 <span class="preprocessor">#include <iostream></span>
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<a name="l00025"></a>00025 <span class="preprocessor">#include <fstream></span>
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<a name="l00026"></a>00026
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<a name="l00027"></a>00027 <span class="preprocessor">#include <X11/Xlib.h></span>
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<a name="l00028"></a>00028
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<a name="l00029"></a>00029 <span class="preprocessor">#include "display.h"</span>
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<a name="l00030"></a>00030 <span class="preprocessor">#include "node.h"</span>
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<a name="l00031"></a>00031 <span class="preprocessor">#include "opt_route.h"</span>
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<a name="l00032"></a>00032
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<a name="l00033"></a>00033 <span class="preprocessor">#define BORDER 20</span>
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<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define RATIO 0.5</span>
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<a name="l00035"></a>00035 <span class="preprocessor"></span>
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<a name="l00036"></a>00036 <span class="preprocessor">#define screen_width 1024</span>
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<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define screen_height 768</span>
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<a name="l00038"></a>00038 <span class="preprocessor"></span>
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<a name="l00039"></a>00039 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * filename;
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<a name="l00040"></a>00040
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<a name="l00041"></a>00041 <span class="comment">/* Computed coordinates */</span>
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<a name="l00042"></a>00042 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> * X_new_coord, * Y_new_coord ;
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<a name="l00043"></a>00043
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<a name="l00044"></a>00044 <span class="comment">/* this variable will contain the handle to the returned graphics context. */</span>
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<a name="l00045"></a>00045 <span class="keyword">static</span> GC gc;
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<a name="l00046"></a>00046
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<a name="l00047"></a>00047 <span class="comment">/* this variable will contain the pointer to the Display structure */</span>
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<a name="l00048"></a>00048 <span class="keyword">static</span> Display* disp;
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 <span class="comment">/* this variable will store the ID of the newly created window. */</span>
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<a name="l00051"></a>00051 <span class="keyword">static</span> Window win;
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<a name="l00052"></a>00052
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<a name="l00053"></a>00053 <span class="keyword">static</span> <span class="keywordtype">int</span> screen;
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<a name="l00054"></a>00054
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<a name="l00055"></a>00055 <span class="comment">/* Create a new backing pixmap of the appropriate size */</span>
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<a name="l00056"></a>00056
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<a name="l00057"></a>00057 <span class="comment">/* Best tour */</span>
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<a name="l00058"></a>00058 <span class="comment">/*</span>
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<a name="l00059"></a>00059 <span class="comment"> gdk_gc_set_line_attributes (gc, 2, GDK_LINE_ON_OFF_DASH, GDK_CAP_NOT_LAST, GDK_JOIN_MITER) ;</span>
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<a name="l00060"></a>00060 <span class="comment"></span>
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<a name="l00061"></a>00061 <span class="comment"> gdk_gc_set_foreground (gc, & color_green) ; </span>
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<a name="l00062"></a>00062 <span class="comment"></span>
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<a name="l00063"></a>00063 <span class="comment"> for (int i = 0 ; i < (int) numNodes ; i ++) {</span>
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<a name="l00064"></a>00064 <span class="comment"></span>
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<a name="l00065"></a>00065 <span class="comment"> gdk_draw_line (pixmap, gc,</span>
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<a name="l00066"></a>00066 <span class="comment"> X_new_coord [opt_route [i]],</span>
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<a name="l00067"></a>00067 <span class="comment"> Y_new_coord [opt_route [i]],</span>
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<a name="l00068"></a>00068 <span class="comment"> X_new_coord [opt_route [(i + 1) % numNodes]],</span>
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<a name="l00069"></a>00069 <span class="comment"> Y_new_coord [opt_route [(i + 1) % numNodes]]);</span>
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<a name="l00070"></a>00070 <span class="comment"> </span>
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<a name="l00071"></a>00071 <span class="comment"> }*/</span>
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<a name="l00072"></a>00072
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<a name="l00073"></a>00073 <span class="keywordtype">void</span> openMainWindow (<span class="keyword">const</span> <span class="keywordtype">char</span> * __filename) {
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<a name="l00074"></a>00074
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<a name="l00075"></a>00075 filename = __filename;
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<a name="l00076"></a>00076
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<a name="l00077"></a>00077 <span class="comment">/* Map */</span>
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<a name="l00078"></a>00078 <span class="keywordtype">int</span> map_width = (int) (X_max - X_min);
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<a name="l00079"></a>00079 <span class="keywordtype">int</span> map_height = (int) (Y_max - Y_min);
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<a name="l00080"></a>00080 <span class="keywordtype">int</span> map_side = std :: max (map_width, map_height);
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<a name="l00081"></a>00081
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<a name="l00082"></a>00082 <span class="comment">/* Calculate the window's width and height. */</span>
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<a name="l00083"></a>00083 <span class="keywordtype">int</span> win_width = (int) (screen_width * RATIO * map_width / map_side);
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<a name="l00084"></a>00084 <span class="keywordtype">int</span> win_height = (int) (screen_height * RATIO * map_height / map_side);
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<a name="l00085"></a>00085
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<a name="l00086"></a>00086 <span class="comment">/* Computing the coordinates */</span>
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<a name="l00087"></a>00087 X_new_coord = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> [numNodes];
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<a name="l00088"></a>00088 Y_new_coord = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> [numNodes];
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<a name="l00089"></a>00089
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<a name="l00090"></a>00090 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i < numNodes; i ++) {
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<a name="l00091"></a>00091 X_new_coord [i] = (<span class="keywordtype">unsigned</span>) (win_width * (1.0 - (X_coord [i] - X_min) / map_width) + BORDER);
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<a name="l00092"></a>00092 Y_new_coord [i] = (unsigned) (win_height * (1.0 - (Y_coord [i] - Y_min) / map_height) + BORDER);
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<a name="l00093"></a>00093 }
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<a name="l00094"></a>00094
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<a name="l00095"></a>00095 <span class="comment">/* Initialisation */</span>
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<a name="l00096"></a>00096 XGCValues val ;
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<a name="l00097"></a>00097
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<a name="l00098"></a>00098 disp = XOpenDisplay (NULL) ;
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<a name="l00099"></a>00099 screen = DefaultScreen (disp) ;
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<a name="l00100"></a>00100 win = XCreateSimpleWindow (disp, RootWindow (disp, screen), 0, 0, win_width + 2 * BORDER, win_height + 2 * BORDER, 2, BlackPixel (disp, screen), WhitePixel (disp, screen)) ;
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<a name="l00101"></a>00101 val.foreground = BlackPixel(disp, screen) ;
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<a name="l00102"></a>00102 val.background = WhitePixel(disp, screen) ;
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<a name="l00103"></a>00103 gc = XCreateGC (disp, win, GCForeground | GCBackground, & val) ;
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<a name="l00104"></a>00104
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<a name="l00105"></a>00105 XMapWindow (disp, win) ;
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<a name="l00106"></a>00106 XFlush (disp) ;
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<a name="l00107"></a>00107
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<a name="l00108"></a>00108 <span class="keywordflow">while</span> (<span class="keyword">true</span>) {
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<a name="l00109"></a>00109 XClearWindow (disp, win) ;
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<a name="l00110"></a>00110
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<a name="l00111"></a>00111 <span class="comment">/* Vertices as circles */</span>
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<a name="l00112"></a>00112 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 1 ; i < numNodes ; i ++)
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<a name="l00113"></a>00113 XDrawArc (disp, win, gc, X_new_coord [i] - 1, Y_new_coord [i] - 1, 3, 3, 0, 364 * 64) ;
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<a name="l00114"></a>00114
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<a name="l00115"></a>00115 <span class="comment">/* New tour */</span>
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<a name="l00116"></a>00116 std :: ifstream f (filename);
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<a name="l00117"></a>00117 <span class="keywordflow">if</span> (f) {
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<a name="l00118"></a>00118 Route route;
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<a name="l00119"></a>00119 f >> route;
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<a name="l00120"></a>00120 f.close ();
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<a name="l00121"></a>00121
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<a name="l00122"></a>00122 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < (int) numNodes; i ++)
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<a name="l00123"></a>00123 XDrawLine (disp, win, gc,
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<a name="l00124"></a>00124 X_new_coord [route [i]],
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<a name="l00125"></a>00125 Y_new_coord [route [i]],
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<a name="l00126"></a>00126 X_new_coord [route [(i + 1) % numNodes]],
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<a name="l00127"></a>00127 Y_new_coord [route [(i + 1) % numNodes]]);
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<a name="l00128"></a>00128 }
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<a name="l00129"></a>00129 XFlush (disp) ;
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<a name="l00130"></a>00130 sleep (1) ;
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<a name="l00131"></a>00131 }
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<a name="l00132"></a>00132 }
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Dec 22 16:54:58 2006 for ParadisEO by
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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