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gui/graph_displayer_canvas-node.cc
author klao
Thu, 13 Apr 2006 17:57:03 +0000
changeset 2046 66d160810c0a
parent 1837 8dd6160ff699
permissions -rwxr-xr-x
more explicit :) 
     1 #include "graph_displayer_canvas.h"

     2 #include <cmath>

     3 

     4 

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

     6 {

     7   Graph::NodeMap<double> * actual_map;

     8   double min, max;

     9   min=(mytab.mapstorage).minOfNodeMap(mapname);

    10   max=(mytab.mapstorage).maxOfNodeMap(mapname);

    11   actual_map=((mytab.mapstorage).nodemap_storage)[mapname];

    12 

    13   if(node==INVALID)

    14     {

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

    16 	{

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

    18 	  int w;

    19 	  if(min==max)

    20 	    {

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

    22 	    }

    23 	  else

    24 	    {

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

    26 	    }

    27 	  if(w>=0)

    28 	    {

    29 	      double x1, y1, x2, y2;

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

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

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

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

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

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

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

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

    38 	    }

    39 	}

    40     }

    41   else

    42     {

    43       //I think only new nodes use this case

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

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

    46       if(w>=0)

    47 	{

    48 	  double x1, y1, x2, y2;

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

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

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

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

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

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

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

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

    57 	}

    58     }

    59   return 0;

    60 };

    61 

    62 int GraphDisplayerCanvas::resetNodeRadius (Node node)

    63 {

    64   double min, max;

    65   min=node_property_defaults[N_RADIUS];

    66   max=node_property_defaults[N_RADIUS];

    67   Graph::NodeMap<double> actual_map((mytab.mapstorage).graph,node_property_defaults[N_RADIUS]);

    68   

    69   if(node==INVALID)

    70     {

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

    72 	{

    73 	  double v=fabs(actual_map[i]);

    74 	  int w;

    75 	  if(min==max)

    76 	    {

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

    78 	    }

    79 	  else

    80 	    {

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

    82 	    }

    83 	  if(w>=0)

    84 	    {

    85 	      double x1, y1, x2, y2;

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

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

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

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

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

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

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

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

    94 	    }

    95 	}

    96     }

    97   else

    98     {

    99       //I think only new nodes use this case

   100 //       int w=(int)actual_map[node];

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

   102       if(w>=0)

   103 	{

   104 	  double x1, y1, x2, y2;

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

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

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

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

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

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

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

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

   113 	}

   114     }

   115   return 0;

   116 };

   117 

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

   119 {  

   120 

   121   //function maps the range of the maximum and

   122   //the minimum of the nodemap to the range of

   123   //green in RGB

   124 

   125   Graph::NodeMap<double> * actual_map;

   126   actual_map=((mytab.mapstorage).nodemap_storage)[mapname];

   127 

   128   double max, min;

   129 

   130   max=(mytab.mapstorage).maxOfNodeMap(mapname);

   131   min=(mytab.mapstorage).minOfNodeMap(mapname);

   132 

   133   if(node==INVALID)

   134     {

   135 

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

   137 	{

   138 	  Gdk::Color color;

   139 

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

   141 

   142 	  if(max!=min)

   143 	    {

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

   145 	    }

   146 	  else

   147 	    {

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

   149 	    }

   150 

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

   152 	}

   153     }

   154   else

   155     {

   156       Gdk::Color color;

   157 

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

   159 

   160       if(max!=min)

   161 	{

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

   163 	}

   164       else

   165 	{

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

   167 	}

   168 

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

   170     }

   171   return 0;

   172 };

   173 

   174 int GraphDisplayerCanvas::resetNodeColor (Node node)

   175 {  

   176 

   177   //function maps the range of the maximum and

   178   //the minimum of the nodemap to the range of

   179   //green in RGB

   180 

   181   Graph::NodeMap<double> actual_map((mytab.mapstorage).graph,node_property_defaults[N_COLOR]);

   182 

   183   double max, min;

   184 

   185   max=node_property_defaults[N_COLOR];

   186   min=node_property_defaults[N_COLOR];

   187 

   188   if(node==INVALID)

   189     {

   190 

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

   192 	{

   193 	  Gdk::Color color;

   194 

   195 	  double w=actual_map[i];

   196 

   197 	  if(max!=min)

   198 	    {

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

   200 	    }

   201 	  else

   202 	    {

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

   204 	    }

   205 

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

   207 	}

   208     }

   209   else

   210     {

   211       Gdk::Color color;

   212 

   213       double w=actual_map[node];

   214 

   215       if(max!=min)

   216 	{

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

   218 	}

   219       else

   220 	{

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

   222 	}

   223 

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

   225     }

   226   return 0;

   227 };

   228 

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

   230 {

   231 

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

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

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

   235   //that is the deleter map

   236 

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

   238   actual_map=((mytab.mapstorage).nodemap_storage)[mapname];

   239 

   240   if(node==INVALID)

   241     {

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

   243 	{

   244 	  nodemap_to_edit=mapname;

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

   246 

   247 	  std::ostringstream ostr;

   248 	  ostr << number;

   249 	      

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

   251 	}

   252     }

   253   else

   254     {

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

   256 

   257       std::ostringstream ostr;

   258       ostr << number;

   259 	      

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

   261     }

   262   return 0;

   263 };

   264 

   265 int GraphDisplayerCanvas::resetNodeText (Node node)

   266 {

   267 

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

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

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

   271   //that is the deleter map

   272 

   273   if(node==INVALID)

   274     {

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

   276 	{

   277 	  nodemap_to_edit="";

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

   279 	}

   280     }

   281   else

   282     {

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

   284     }

   285   return 0;

   286 };
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