Fix mindmap export.

wise-webapp/src/main/java/com/wisemapping/exporter/FreemindExporter.java

@@ -289,8 +289,9 @@ public class FreemindExporter
 
                 // Font size
                 if (idx < countParts && part[idx].length() != 0) {
-                    String size = part[idx];
+                    final String size = part[idx];
-                    font.setSIZE(new BigInteger(size));
+                    int freeSize = Integer.parseInt(size);
+                    font.setSIZE(BigInteger.valueOf(wiseToFreeFontSize.get(freeSize)));
                     updated = true;
                 }
                 idx++;
@@ -319,4 +320,20 @@ public class FreemindExporter
             }
         }
     }
+
+    // Freemind size goes from 10 to 28
+    // WiseMapping:
+    //  6 Small
+    //  8 Normal
+    // 10 Large
+    // 15 Huge
+    static private  Map<Integer,Integer> wiseToFreeFontSize = new HashMap<Integer,Integer>();
+    static {
+        wiseToFreeFontSize.put(6,10);
+        wiseToFreeFontSize.put(8,12);
+        wiseToFreeFontSize.put(10,18);
+        wiseToFreeFontSize.put(15,24);
+    }
+
+
 }