graph_displayer_canvas-edge.cc
changeset 1 67188bd752db
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/graph_displayer_canvas-edge.cc	Mon Jul 07 08:10:39 2008 -0500
     1.3 @@ -0,0 +1,302 @@
     1.4 +/* -*- C++ -*-
     1.5 + *
     1.6 + * This file is a part of LEMON, a generic C++ optimization library
     1.7 + *
     1.8 + * Copyright (C) 2003-2006
     1.9 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
    1.10 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
    1.11 + *
    1.12 + * Permission to use, modify and distribute this software is granted
    1.13 + * provided that this copyright notice appears in all copies. For
    1.14 + * precise terms see the accompanying LICENSE file.
    1.15 + *
    1.16 + * This software is provided "AS IS" with no warranty of any kind,
    1.17 + * express or implied, and with no claim as to its suitability for any
    1.18 + * purpose.
    1.19 + *
    1.20 + */
    1.21 +
    1.22 +#include <graph_displayer_canvas.h>
    1.23 +#include <mapstorage.h>
    1.24 +#include <nbtab.h>
    1.25 +#include <cmath>
    1.26 +
    1.27 +const int minimum_arc_width=0;
    1.28 +
    1.29 +int DigraphDisplayerCanvas::resetArcWidth (Arc arc)
    1.30 +{
    1.31 +  MapStorage& ms = *mytab.mapstorage;
    1.32 +  double min, max;
    1.33 +
    1.34 +  min=arc_property_defaults[E_WIDTH];
    1.35 +  max=arc_property_defaults[E_WIDTH];
    1.36 +  Digraph::ArcMap<double> actual_map(ms.digraph,arc_property_defaults[E_WIDTH]);
    1.37 +
    1.38 +  if(arc==INVALID)
    1.39 +  {
    1.40 +    for (ArcIt i(ms.digraph); i!=INVALID; ++i)
    1.41 +    {
    1.42 +      double v=fabs(actual_map[i]);
    1.43 +      int w;
    1.44 +      if(min==max)
    1.45 +      {
    1.46 +        w=(int)(arc_property_defaults[E_WIDTH]);
    1.47 +      }
    1.48 +      else
    1.49 +      {
    1.50 +        w=(int)(MIN_EDGE_WIDTH+(v-min)/(max-min)*(MAX_EDGE_WIDTH-MIN_EDGE_WIDTH));
    1.51 +      }
    1.52 +      if(zoomtrack)
    1.53 +      {
    1.54 +        double actual_ppu=get_pixels_per_unit();
    1.55 +        w=(int)(w/actual_ppu*fixed_zoom_factor);
    1.56 +      }
    1.57 +      arcsmap[i]->setLineWidth(w);
    1.58 +    }
    1.59 +  }
    1.60 +  else
    1.61 +  {
    1.62 +    int w=(int)actual_map[arc];
    1.63 +    if(w>=0)
    1.64 +    {
    1.65 +      arcsmap[arc]->setLineWidth(w);
    1.66 +    }
    1.67 +  }
    1.68 +  return 0;
    1.69 +}
    1.70 +
    1.71 +
    1.72 +int DigraphDisplayerCanvas::changeArcWidth (std::string mapname, Arc arc)
    1.73 +{
    1.74 +  MapStorage& ms = *mytab.mapstorage;
    1.75 +  double min, max;
    1.76 +
    1.77 +  {
    1.78 +    ArcIt e(ms.digraph);
    1.79 +    min = max = ms.get(mapname, e);
    1.80 +    for (; e != INVALID; ++e)
    1.81 +    {
    1.82 +      if (static_cast<double>(ms.get(mapname, e)) > max)
    1.83 +        max = ms.get(mapname, e);
    1.84 +      if (static_cast<double>(ms.get(mapname, e)) < min)
    1.85 +        min = ms.get(mapname, e);
    1.86 +    }
    1.87 +  }
    1.88 +
    1.89 +  if(arc==INVALID)
    1.90 +  {
    1.91 +    for (ArcIt i(ms.digraph); i!=INVALID; ++i)
    1.92 +    {
    1.93 +      double v=ms.get(mapname, i);
    1.94 +      int w;
    1.95 +      if(autoscale)
    1.96 +      {
    1.97 +        if(min==max)
    1.98 +        {
    1.99 +          w=(int)(arc_property_defaults[E_WIDTH]);
   1.100 +        }
   1.101 +        else
   1.102 +        {
   1.103 +          w=(int)(minimum_arc_width+(v-min)/(max-min)*(arc_width-minimum_arc_width));
   1.104 +        }
   1.105 +      }
   1.106 +      else
   1.107 +      {
   1.108 +        w=(int)(v*arc_width);
   1.109 +      }
   1.110 +      if(w<0)
   1.111 +      {
   1.112 +        arcsmap[i]->hide();
   1.113 +      }
   1.114 +      else
   1.115 +      {
   1.116 +        arcsmap[i]->show();
   1.117 +        if(w<minimum_arc_width)
   1.118 +        {
   1.119 +          w=minimum_arc_width;
   1.120 +        }
   1.121 +        if(zoomtrack)
   1.122 +        {
   1.123 +          double actual_ppu=get_pixels_per_unit();
   1.124 +          w=(int)(w/actual_ppu*fixed_zoom_factor);
   1.125 +        }
   1.126 +        arcsmap[i]->setLineWidth(w);
   1.127 +      }
   1.128 +    }
   1.129 +  }
   1.130 +  else
   1.131 +  {
   1.132 +    int w=(int)ms.get(mapname, arc);
   1.133 +    if(w>=0)
   1.134 +    {
   1.135 +      arcsmap[arc]->setLineWidth(w);
   1.136 +    }
   1.137 +  }
   1.138 +  return 0;
   1.139 +};
   1.140 +
   1.141 +int DigraphDisplayerCanvas::changeArcColor (std::string mapname, Arc arc)
   1.142 +{  
   1.143 +  MapStorage& ms = *mytab.mapstorage;
   1.144 +
   1.145 +  //function maps the range of the maximum and
   1.146 +  //the minimum of the nodemap to the range of
   1.147 +  //green in RGB
   1.148 +
   1.149 +  double max, min;
   1.150 +
   1.151 +  {
   1.152 +    ArcIt e(ms.digraph);
   1.153 +    min = max = ms.get(mapname, e);
   1.154 +    for (; e != INVALID; ++e)
   1.155 +    {
   1.156 +      if (static_cast<double>(ms.get(mapname, e)) > max)
   1.157 +        max = ms.get(mapname, e);
   1.158 +      if (static_cast<double>(ms.get(mapname, e)) < min)
   1.159 +        min = ms.get(mapname, e);
   1.160 +    }
   1.161 +  }
   1.162 +
   1.163 +  if(arc==INVALID)
   1.164 +    {
   1.165 +      for (ArcIt i(ms.digraph); i!=INVALID; ++i)
   1.166 +	{
   1.167 +	  double w=ms.get(mapname, i);
   1.168 +
   1.169 +	  Gdk::Color color;
   1.170 +	  if(max!=min)
   1.171 +	    {
   1.172 +	      color=rainbowColorCounter(min, max, w);
   1.173 +	    }
   1.174 +	  else
   1.175 +	    {
   1.176 +	      color.set_rgb_p (0, 1, 0);
   1.177 +	    }
   1.178 +	  arcsmap[i]->setFillColor(color);
   1.179 +	}
   1.180 +    }
   1.181 +  else
   1.182 +    {
   1.183 +      Gdk::Color color;
   1.184 +
   1.185 +      double w=ms.get(mapname, arc);
   1.186 +
   1.187 +      if(max!=min)
   1.188 +	{
   1.189 +	  color=rainbowColorCounter(min, max, w);
   1.190 +	}
   1.191 +      else
   1.192 +	{
   1.193 +	  color.set_rgb_p (0, 1, 0);
   1.194 +	}
   1.195 +
   1.196 +      arcsmap[arc]->setFillColor(color);
   1.197 +    }
   1.198 +  return 0;
   1.199 +};
   1.200 +
   1.201 +int DigraphDisplayerCanvas::resetArcColor (Arc arc)
   1.202 +{  
   1.203 +  MapStorage& ms = *mytab.mapstorage;
   1.204 +
   1.205 +  //function maps the range of the maximum and
   1.206 +  //the minimum of the nodemap to the range of
   1.207 +  //green in RGB
   1.208 +  Digraph::ArcMap<double> actual_map(ms.digraph,arc_property_defaults[E_COLOR]);
   1.209 +
   1.210 +  double max, min;
   1.211 +
   1.212 +  max=arc_property_defaults[E_COLOR];
   1.213 +  min=arc_property_defaults[E_COLOR];
   1.214 +
   1.215 +  if(arc==INVALID)
   1.216 +  {
   1.217 +    for (ArcIt i(ms.digraph); i!=INVALID; ++i)
   1.218 +    {
   1.219 +      double w=actual_map[i];
   1.220 +
   1.221 +      Gdk::Color color;
   1.222 +      if(max!=min)
   1.223 +      {
   1.224 +        color.set_rgb_p (0, 100*(w-min)/(max-min), 0);
   1.225 +      }
   1.226 +      else
   1.227 +      {
   1.228 +        color.set_rgb_p (0, 100, 0);
   1.229 +      }
   1.230 +      arcsmap[i]->setFillColor(color);
   1.231 +    }
   1.232 +  }
   1.233 +  else
   1.234 +  {
   1.235 +    Gdk::Color color;
   1.236 +
   1.237 +    double w=actual_map[arc];
   1.238 +
   1.239 +    if(max!=min)
   1.240 +    {
   1.241 +      color.set_rgb_p (0, 100*(w-min)/(max-min), 0);
   1.242 +    }
   1.243 +    else
   1.244 +    {
   1.245 +      color.set_rgb_p (0, 100, 0);
   1.246 +    }
   1.247 +
   1.248 +    arcsmap[arc]->setFillColor(color);
   1.249 +  }
   1.250 +  return 0;
   1.251 +};
   1.252 +
   1.253 +int DigraphDisplayerCanvas::changeArcText (std::string mapname, Arc arc)
   1.254 +{
   1.255 +  MapStorage& ms = *mytab.mapstorage;
   1.256 +
   1.257 +  //the number in the map will be written on the arc
   1.258 +  //EXCEPT when the name of the map is Default, because
   1.259 +  //in that case empty string will be written, because
   1.260 +  //that is the deleter map
   1.261 +
   1.262 +  if(arc==INVALID)
   1.263 +  {
   1.264 +    for (ArcIt i(ms.digraph); i!=INVALID; ++i)
   1.265 +    {
   1.266 +      arcmap_to_edit=mapname;
   1.267 +
   1.268 +      arctextmap[i]->property_text().set_value(
   1.269 +          static_cast<std::string>(ms.get(mapname, i)));
   1.270 +    }
   1.271 +
   1.272 +  }
   1.273 +  else
   1.274 +  {
   1.275 +    arctextmap[arc]->property_text().set_value(
   1.276 +        static_cast<std::string>(ms.get(mapname, arc)));
   1.277 +  }
   1.278 +
   1.279 +  return 0;
   1.280 +};
   1.281 +
   1.282 +int DigraphDisplayerCanvas::resetArcText (Arc arc)
   1.283 +{
   1.284 +  MapStorage& ms = *mytab.mapstorage;
   1.285 +
   1.286 +  //the number in the map will be written on the arc
   1.287 +  //EXCEPT when the name of the map is Default, because
   1.288 +  //in that case empty string will be written, because
   1.289 +  //that is the deleter map
   1.290 +
   1.291 +  if(arc==INVALID)
   1.292 +  {
   1.293 +    for (ArcIt i(ms.digraph); i!=INVALID; ++i)
   1.294 +    {
   1.295 +      arcmap_to_edit="";
   1.296 +      arctextmap[i]->property_text().set_value("");
   1.297 +    }
   1.298 +  }
   1.299 +  else
   1.300 +  {
   1.301 +    arctextmap[arc]->property_text().set_value("");
   1.302 +  }
   1.303 +
   1.304 +  return 0;
   1.305 +};