set default legend raster icon when wms layer to avoid crash

qgis · Oct 5, 2017 · b3ea17f · b3ea17f
1 parent 82dcc68
commit b3ea17f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/core/layertree/qgslayertreemodel.cpp b/src/core/layertree/qgslayertreemodel.cpp
@@ -227,6 +227,8 @@ QVariant QgsLayerTreeModel::data( const QModelIndex &index, int role ) const
         if ( testFlag( ShowRasterPreviewIcon ) )
         {
           QgsRasterLayer* rlayer = qobject_cast<QgsRasterLayer *>( layer );
+          if ( rlayer->providerType() == "wms" )
+            return QgsLayerItem::iconRaster();
           return QIcon( QPixmap::fromImage( rlayer->previewAsImage( QSize( 32, 32 ) ) ) );
         }
         else