Changeset 1178:3c176c65d33b in lemon-0.x for src/demo/graph_to_eps_demo.cc

Timestamp:

02/25/05 15:50:22 (20 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1584

Message:

• ColorSet? become commonly usable
• Possility to change the color of a node text (in GraphToEps?).

File:

• src/demo/graph_to_eps_demo.cc (modified) (3 diffs)

src/demo/graph_to_eps_demo.cc

@@ -24 +24 @@
 using namespace lemon;
 
-class ColorSet : public MapBase<int,Color>
-{
-public:
-  Color operator[](int i) const
-  {
-    switch(i%8){
-    case 0: return Color(0,0,0);
-    case 1: return Color(1,0,0);
-    case 2: return Color(0,1,0);
-    case 3: return Color(0,0,1);
-    case 4: return Color(1,1,0);
-    case 5: return Color(1,0,1);
-    case 6: return Color(0,1,1);
-    case 7: return Color(1,1,1);
-    }
-    return Color(0,0,0);
-  }
-} colorSet;
-
 class IdMap :public MapBase<ListGraph::Node,int>
 {
@@ -53 +34 @@
 int main()
 {
+  ColorSet colorSet;
+
   ListGraph g;
   typedef ListGraph::Node Node;
@@ -166 +149 @@
     run();
 
+  ListGraph h;
+  ListGraph::NodeMap<int> hcolors(h);
+  ListGraph::NodeMap<Xy> hcoords(h);
+  
+  int cols=int(sqrt(double(colorSet.size())));
+  for(int i=0;i<int(colorSet.size());i++) {
+    Node n=h.addNode();
+    hcoords[n]=Xy(i%cols,i/cols);
+    hcolors[n]=i;
+  }
+  
+  graphToEps(h,"graph_to_eps_demo_out_colors.eps").scale(60).
+    title("Sample .eps figure (parallel edges and arrowheads)").
+    copyright("(C) 2005 LEMON Project").
+    coords(hcoords).
+    nodeScale(.45).
+    distantColorNodeTexts().
+    //    distantBWNodeTexts().
+    nodeTexts(hcolors).nodeTextSize(.6).
+    nodeColors(composeMap(colorSet,hcolors)).
+    run();
+
+
 }