Fix #9642 (update overview even if map settings are not valid)

qgis · Feb 25, 2014 · 1732db5 · 1732db5
1 parent 0310bb2
commit 1732db5
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/core/qgsmapsettings.cpp b/src/core/qgsmapsettings.cpp
@@ -50,7 +50,7 @@ void QgsMapSettings::updateDerived()
 {
   QgsRectangle extent = mExtent;
 
-  if ( extent.isEmpty() )
+  if ( extent.isEmpty() || !extent.isFinite() )
   {
     mValid = false;
     return;

diff --git a/src/gui/qgsmapoverviewcanvas.cpp b/src/gui/qgsmapoverviewcanvas.cpp
@@ -257,8 +257,14 @@ void QgsMapOverviewCanvas::updatePanningWidget( const QPoint& pos )
 
 void QgsMapOverviewCanvas::refresh()
 {
+  updateFullExtent();
+
   if ( !mSettings.hasValidSettings() )
+  {
+    mPixmap = QPixmap();
+    update();
     return; // makes no sense to render anything
+  }
 
   if ( mJob )
   {