[GRASS-SVN] r59098 - grass/trunk/gui/wxpython/mapdisp

[svn_grass at osgeo.org]

Author: annakrat
Date: 2014-02-19 21:08:29 -0800 (Wed, 19 Feb 2014)
New Revision: 59098

Modified:
   grass/trunk/gui/wxpython/mapdisp/frame.py
Log:
wxGUI: fix error when saving empty map display to graphic file

Modified: grass/trunk/gui/wxpython/mapdisp/frame.py
===================================================================
--- grass/trunk/gui/wxpython/mapdisp/frame.py	2014-02-20 01:27:01 UTC (rev 59097)
+++ grass/trunk/gui/wxpython/mapdisp/frame.py	2014-02-20 05:08:29 UTC (rev 59098)
@@ -552,6 +552,8 @@
         """!Save map to image
         """
         filetype, ltype = self._prepareSaveToFile()
+        if not ltype:
+            return
         
         # get size
         dlg = ImageSizeDialog(self)
@@ -591,6 +593,8 @@
         Command is expected to be validated by parser.        
         """
         filetype, ltype = self._prepareSaveToFile()
+        if not ltype:
+            return
         width, height = self.MapWindow.GetClientSize()
         for param in command[1:]:
             p, val = param.split('=')
@@ -640,7 +644,7 @@
             if not img:
                 GMessage(parent = self,
                          message = _("Nothing to render (empty map). Operation canceled."))
-                return
+                return None, None
             filetype, ltype = GetImageHandlers(img)
         return filetype, ltype