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gui/graph_displayer_canvas-node.cc
author alpar
Tue, 08 Nov 2005 10:12:45 +0000
changeset 1780 9f052750753f
parent 1643 9285f3777553
child 1819 fd82adfbe905
permissions -rwxr-xr-x
- Timer can be stop()ed and (re)start()ed.
- Obsolete \bug removed 
     1 #include "graph_displayer_canvas.h"

     2 #include "broken_edge.h"

     3 #include <cmath>

     4 

     5 

     6 int GraphDisplayerCanvas::changeNodeRadius (std::string mapname, Node node)

     7 {

     8   Graph::NodeMap<double> * actual_map;

     9   double min, max;

    10   min=mapstorage.minOfNodeMap(mapname);

    11   max=mapstorage.maxOfNodeMap(mapname);

    12   actual_map=(mapstorage.nodemap_storage)[mapname];

    13 

    14   if(node==INVALID)

    15     {

    16       for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)

    17 	{

    18 	  double v=fabs((*actual_map)[i]);

    19 	  int w;

    20 	  if(min==max)

    21 	    {

    22 	      w=(int)(node_property_defaults[N_RADIUS]);

    23 	    }

    24 	  else

    25 	    {

    26 	      w=(int)(MIN_NODE_RADIUS+(v-min)/(max-min)*(MAX_NODE_RADIUS-MIN_NODE_RADIUS));

    27 	    }

    28 	  if(w>=0)

    29 	    {

    30 	      double x1, y1, x2, y2;

    31 	      x1=nodesmap[i]->property_x1().get_value();

    32 	      x2=nodesmap[i]->property_x2().get_value();

    33 	      y1=nodesmap[i]->property_y1().get_value();

    34 	      y2=nodesmap[i]->property_y2().get_value();

    35 	      nodesmap[i]->property_x1().set_value((x1+x2)/2-w);

    36 	      nodesmap[i]->property_x2().set_value((x1+x2)/2+w);

    37 	      nodesmap[i]->property_y1().set_value((y1+y2)/2-w);

    38 	      nodesmap[i]->property_y2().set_value((y1+y2)/2+w);

    39 	    }

    40 	}

    41     }

    42   else

    43     {

    44       //I think only new nodes use this case

    45 //       int w=(int)(*actual_map)[node];

    46       int w=(int)(node_property_defaults[N_RADIUS]);

    47       if(w>=0)

    48 	{

    49 	  double x1, y1, x2, y2;

    50 	  x1=nodesmap[node]->property_x1().get_value();

    51 	  x2=nodesmap[node]->property_x2().get_value();

    52 	  y1=nodesmap[node]->property_y1().get_value();

    53 	  y2=nodesmap[node]->property_y2().get_value();

    54 	  nodesmap[node]->property_x1().set_value((x1+x2)/2-w);

    55 	  nodesmap[node]->property_x2().set_value((x1+x2)/2+w);

    56 	  nodesmap[node]->property_y1().set_value((y1+y2)/2-w);

    57 	  nodesmap[node]->property_y2().set_value((y1+y2)/2+w);

    58 	}

    59     }

    60   return 0;

    61 };

    62 

    63 int GraphDisplayerCanvas::resetNodeRadius (Node node)

    64 {

    65   Graph::NodeMap<double> * actual_map;

    66   double min, max;

    67   min=node_property_defaults[N_RADIUS];

    68   max=node_property_defaults[N_RADIUS];

    69   actual_map=new Graph::NodeMap<double>(mapstorage.graph,node_property_defaults[N_RADIUS]);

    70   

    71   if(node==INVALID)

    72     {

    73       for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)

    74 	{

    75 	  double v=fabs((*actual_map)[i]);

    76 	  int w;

    77 	  if(min==max)

    78 	    {

    79 	      w=(int)(node_property_defaults[N_RADIUS]);

    80 	    }

    81 	  else

    82 	    {

    83 	      w=(int)(MIN_NODE_RADIUS+(v-min)/(max-min)*(MAX_NODE_RADIUS-MIN_NODE_RADIUS));

    84 	    }

    85 	  if(w>=0)

    86 	    {

    87 	      double x1, y1, x2, y2;

    88 	      x1=nodesmap[i]->property_x1().get_value();

    89 	      x2=nodesmap[i]->property_x2().get_value();

    90 	      y1=nodesmap[i]->property_y1().get_value();

    91 	      y2=nodesmap[i]->property_y2().get_value();

    92 	      nodesmap[i]->property_x1().set_value((x1+x2)/2-w);

    93 	      nodesmap[i]->property_x2().set_value((x1+x2)/2+w);

    94 	      nodesmap[i]->property_y1().set_value((y1+y2)/2-w);

    95 	      nodesmap[i]->property_y2().set_value((y1+y2)/2+w);

    96 	    }

    97 	}

    98     }

    99   else

   100     {

   101       //I think only new nodes use this case

   102 //       int w=(int)(*actual_map)[node];

   103       int w=(int)(node_property_defaults[N_RADIUS]);

   104       if(w>=0)

   105 	{

   106 	  double x1, y1, x2, y2;

   107 	  x1=nodesmap[node]->property_x1().get_value();

   108 	  x2=nodesmap[node]->property_x2().get_value();

   109 	  y1=nodesmap[node]->property_y1().get_value();

   110 	  y2=nodesmap[node]->property_y2().get_value();

   111 	  nodesmap[node]->property_x1().set_value((x1+x2)/2-w);

   112 	  nodesmap[node]->property_x2().set_value((x1+x2)/2+w);

   113 	  nodesmap[node]->property_y1().set_value((y1+y2)/2-w);

   114 	  nodesmap[node]->property_y2().set_value((y1+y2)/2+w);

   115 	}

   116     }

   117   return 0;

   118 };

   119 

   120 int GraphDisplayerCanvas::changeNodeColor (std::string mapname, Node node)

   121 {  

   122 

   123   //function maps the range of the maximum and

   124   //the minimum of the nodemap to the range of

   125   //green in RGB

   126 

   127   Graph::NodeMap<double> * actual_map;

   128   actual_map=(mapstorage.nodemap_storage)[mapname];

   129 

   130   double max, min;

   131 

   132   max=mapstorage.maxOfNodeMap(mapname);

   133   min=mapstorage.minOfNodeMap(mapname);

   134 

   135   if(node==INVALID)

   136     {

   137 

   138       for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)

   139 	{

   140 	  Gdk::Color color;

   141 

   142 	  double w=(*actual_map)[i];

   143 

   144 	  if(max!=min)

   145 	    {

   146 	      color.set_rgb_p (0, 0, 100*(w-min)/(max-min));

   147 	    }

   148 	  else

   149 	    {

   150 	      color.set_rgb_p (0, 0, 100);

   151 	    }

   152 

   153 	  nodesmap[i]->property_fill_color_gdk().set_value(color);

   154 	}

   155     }

   156   else

   157     {

   158       Gdk::Color color;

   159 

   160       double w=(*actual_map)[node];

   161 

   162       if(max!=min)

   163 	{

   164 	  color.set_rgb_p (0, 0, 100*(w-min)/(max-min));

   165 	}

   166       else

   167 	{

   168 	  color.set_rgb_p (0, 0, 100);

   169 	}

   170 

   171       nodesmap[node]->property_fill_color_gdk().set_value(color);

   172     }

   173   return 0;

   174 };

   175 

   176 int GraphDisplayerCanvas::resetNodeColor (Node node)

   177 {  

   178 

   179   //function maps the range of the maximum and

   180   //the minimum of the nodemap to the range of

   181   //green in RGB

   182 

   183   Graph::NodeMap<double> * actual_map;

   184   actual_map=new Graph::NodeMap<double>(mapstorage.graph,node_property_defaults[N_COLOR]);

   185 

   186   double max, min;

   187 

   188   max=node_property_defaults[N_COLOR];

   189   min=node_property_defaults[N_COLOR];

   190 

   191   if(node==INVALID)

   192     {

   193 

   194       for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)

   195 	{

   196 	  Gdk::Color color;

   197 

   198 	  double w=(*actual_map)[i];

   199 

   200 	  if(max!=min)

   201 	    {

   202 	      color.set_rgb_p (0, 0, 100*(w-min)/(max-min));

   203 	    }

   204 	  else

   205 	    {

   206 	      color.set_rgb_p (0, 0, 100);

   207 	    }

   208 

   209 	  nodesmap[i]->property_fill_color_gdk().set_value(color);

   210 	}

   211     }

   212   else

   213     {

   214       Gdk::Color color;

   215 

   216       double w=(*actual_map)[node];

   217 

   218       if(max!=min)

   219 	{

   220 	  color.set_rgb_p (0, 0, 100*(w-min)/(max-min));

   221 	}

   222       else

   223 	{

   224 	  color.set_rgb_p (0, 0, 100);

   225 	}

   226 

   227       nodesmap[node]->property_fill_color_gdk().set_value(color);

   228     }

   229   return 0;

   230 };

   231 

   232 int GraphDisplayerCanvas::changeNodeText (std::string mapname, Node node)

   233 {

   234 

   235   //the number in the map will be written on the node

   236   //EXCEPT when the name of the map is Text, because

   237   //in that case empty string will be written, because

   238   //that is the deleter map

   239 

   240   Graph::NodeMap<double> * actual_map=NULL;

   241   actual_map=(mapstorage.nodemap_storage)[mapname];

   242 

   243   if(node==INVALID)

   244     {

   245       for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)

   246 	{

   247 	  nodemap_to_edit=mapname;

   248 	  double number=(*actual_map)[i];

   249 

   250 	  std::ostringstream ostr;

   251 	  ostr << number;

   252 	      

   253 	  nodetextmap[i]->property_text().set_value(ostr.str());

   254 	}

   255     }

   256   else

   257     {

   258       double number=(*actual_map)[node];

   259 

   260       std::ostringstream ostr;

   261       ostr << number;

   262 	      

   263       nodetextmap[node]->property_text().set_value(ostr.str());

   264     }

   265   return 0;

   266 };

   267 

   268 int GraphDisplayerCanvas::resetNodeText (Node node)

   269 {

   270 

   271   //the number in the map will be written on the node

   272   //EXCEPT when the name of the map is Text, because

   273   //in that case empty string will be written, because

   274   //that is the deleter map

   275 

   276   if(node==INVALID)

   277     {

   278       for (NodeIt i(mapstorage.graph); i!=INVALID; ++i)

   279 	{

   280 	  nodemap_to_edit="";

   281 	  nodetextmap[i]->property_text().set_value("");

   282 	}

   283     }

   284   else

   285     {

   286       nodetextmap[node]->property_text().set_value("");

   287     }

   288   return 0;

   289 };
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