Changeset 184:4e8704aae278 in glemon-0.x for graph_displayer_canvas.cc

Timestamp:

01/10/07 15:37:46 (17 years ago)

Author:

Akos Ladanyi

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/glemon/trunk@3125

Message:

Added support for setting the background form an image file.

File:

• graph_displayer_canvas.cc (modified) (2 diffs)

graph_displayer_canvas.cc

@@ -26 +26 @@
   isbutton(0), active_item(NULL), target_item(NULL), nodemap_to_edit(""),
   edgemap_to_edit(""), autoscale(true), zoomtrack(false), radius_size(20), edge_width(10),
-  was_redesigned(false), is_drawn(false), mytab(mainw)
+  was_redesigned(false), is_drawn(false), mytab(mainw),
+  background_set(false)
 {
   //base event handler is move tool
@@ -35 +36 @@
   active_edge=INVALID;
   forming_edge=INVALID;
+
+  setBackground();
+}
+
+void GraphDisplayerCanvas::setBackground()
+{
+  if (background_set)
+  {
+    delete background;
+  }
+  if (mytab.mapstorage.isBackgroundSet())
+  {
+    background_set = true;
+    refBackground = Gdk::Pixbuf::create_from_file(
+      mytab.mapstorage.getBackgroundFilename());
+    background = new Gnome::Canvas::Pixbuf(
+        *(root()),
+        0.0 - refBackground->get_width() / 2.0,
+        0.0 - refBackground->get_height() / 2.0,
+        refBackground);
+    background->lower_to_bottom();
+  }
+  else
+  {
+    background_set = false;
+  }
 }