diff -r 48580778851e -r 4e8704aae278 mapstorage.cc
--- a/mapstorage.cc	Thu Dec 28 15:31:39 2006 +0000
+++ b/mapstorage.cc	Wed Jan 10 14:37:46 2007 +0000
@@ -17,6 +17,7 @@
  */
 
 #include "mapstorage.h"
+#include "nbtab.h"
 #include "gui_writer.h"
 #include "gui_reader.h"
 #include <limits>
@@ -27,7 +28,7 @@
 const double a_d=0.05;
 const double p_d=40000;
 
-MapStorage::MapStorage() : modified(false), file_name(""), arrow_pos_read_ok(false), iterations(i_d), attraction(a_d), propulsation(p_d)
+MapStorage::MapStorage(NoteBookTab& tab) : mytab(tab), modified(false), file_name(""), arrow_pos_read_ok(false), iterations(i_d), attraction(a_d), propulsation(p_d), background_set(false)
 {
   nodemap_storage["coordinates_x"] = new Graph::NodeMap<double>(graph);
   coords.setXMap(*nodemap_storage["coordinates_x"]);
@@ -552,3 +553,39 @@
 {
   signal_design_win.emit(attraction, propulsation, iterations);
 }
+
+void MapStorage::setBackground(const std::string& file_name)
+{
+  if (file_name == background_file_name) return;
+  if (file_name == "")
+  {
+    background_file_name = "";
+    background_set = false;
+  }
+  else
+  {
+    background_file_name = file_name;
+    background_set = true;
+  }
+  mytab.gd_canvas->setBackground();
+}
+
+const std::string& MapStorage::getBackgroundFilename()
+{
+  return background_file_name;
+}
+
+bool MapStorage::isBackgroundSet()
+{
+  return background_set;
+}
+
+double MapStorage::getBackgroundScaling()
+{
+  return background_scaling;
+}
+
+void MapStorage::setBackgroundScaling(double scaling)
+{
+  background_scaling = scaling;
+}