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graph_displayer_canvas-node.cc
author hegyi
Mon, 21 Nov 2005 18:03:20 +0000
branchgui
changeset 90 e9f8f44f12a3
parent 81 5ad61c33487c
child 91 55cf06f14981
permissions -rwxr-xr-x
NewMapWin has become Dialog instead of Window. Therefore it is created dynamically, when there is need for it, instead of keeping one instance in memory. This solution is slower, but more correct than before. 
     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=mapstorage.minOfNodeMap(mapname);

    10   max=mapstorage.maxOfNodeMap(mapname);

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

    12 

    13   if(node==INVALID)

    14     {

    15       for (NodeIt i(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   Graph::NodeMap<double> * actual_map;

    65   double min, max;

    66   min=node_property_defaults[N_RADIUS];

    67   max=node_property_defaults[N_RADIUS];

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

    69   

    70   if(node==INVALID)

    71     {

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

    73 	{

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

    75 	  int w;

    76 	  if(min==max)

    77 	    {

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

    79 	    }

    80 	  else

    81 	    {

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

    83 	    }

    84 	  if(w>=0)

    85 	    {

    86 	      double x1, y1, x2, y2;

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

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

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

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

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

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

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

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

    95 	    }

    96 	}

    97     }

    98   else

    99     {

   100       //I think only new nodes use this case

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

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

   103       if(w>=0)

   104 	{

   105 	  double x1, y1, x2, y2;

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

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

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

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

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

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

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

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

   114 	}

   115     }

   116   return 0;

   117 };

   118 

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

   120 {  

   121 

   122   //function maps the range of the maximum and

   123   //the minimum of the nodemap to the range of

   124   //green in RGB

   125 

   126   Graph::NodeMap<double> * actual_map;

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

   128 

   129   double max, min;

   130 

   131   max=mapstorage.maxOfNodeMap(mapname);

   132   min=mapstorage.minOfNodeMap(mapname);

   133 

   134   if(node==INVALID)

   135     {

   136 

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

   138 	{

   139 	  Gdk::Color color;

   140 

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

   142 

   143 	  if(max!=min)

   144 	    {

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

   146 	    }

   147 	  else

   148 	    {

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

   150 	    }

   151 

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

   153 	}

   154     }

   155   else

   156     {

   157       Gdk::Color color;

   158 

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

   160 

   161       if(max!=min)

   162 	{

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

   164 	}

   165       else

   166 	{

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

   168 	}

   169 

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

   171     }

   172   return 0;

   173 };

   174 

   175 int GraphDisplayerCanvas::resetNodeColor (Node node)

   176 {  

   177 

   178   //function maps the range of the maximum and

   179   //the minimum of the nodemap to the range of

   180   //green in RGB

   181 

   182   Graph::NodeMap<double> * actual_map;

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

   184 

   185   double max, min;

   186 

   187   max=node_property_defaults[N_COLOR];

   188   min=node_property_defaults[N_COLOR];

   189 

   190   if(node==INVALID)

   191     {

   192 

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

   194 	{

   195 	  Gdk::Color color;

   196 

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

   198 

   199 	  if(max!=min)

   200 	    {

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

   202 	    }

   203 	  else

   204 	    {

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

   206 	    }

   207 

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

   209 	}

   210     }

   211   else

   212     {

   213       Gdk::Color color;

   214 

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

   216 

   217       if(max!=min)

   218 	{

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

   220 	}

   221       else

   222 	{

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

   224 	}

   225 

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

   227     }

   228   return 0;

   229 };

   230 

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

   232 {

   233 

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

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

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

   237   //that is the deleter map

   238 

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

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

   241 

   242   if(node==INVALID)

   243     {

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

   245 	{

   246 	  nodemap_to_edit=mapname;

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

   248 

   249 	  std::ostringstream ostr;

   250 	  ostr << number;

   251 	      

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

   253 	}

   254     }

   255   else

   256     {

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

   258 

   259       std::ostringstream ostr;

   260       ostr << number;

   261 	      

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

   263     }

   264   return 0;

   265 };

   266 

   267 int GraphDisplayerCanvas::resetNodeText (Node node)

   268 {

   269 

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

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

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

   273   //that is the deleter map

   274 

   275   if(node==INVALID)

   276     {

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

   278 	{

   279 	  nodemap_to_edit="";

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

   281 	}

   282     }

   283   else

   284     {

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

   286     }

   287   return 0;

   288 };
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