Turn off layer caching for composer prints

git-svn-id: http://svn.osgeo.org/qgis/trunk@11852 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/core/composer/qgscomposermap.cpp

@@ -146,7 +146,15 @@ void QgsComposerMap::draw( QPainter *painter, const QgsRectangle& extent, const
   //force composer map scale for scale dependent visibility
   double bk_scale = theMapRenderer.scale();
   theMapRenderer.setScale( scale() );
+
+  //layer caching (as QImages) cannot be done for composer prints
+  QSettings s;
+  bool bkLayerCaching = s.value( "/qgis/enable_render_caching", false ).toBool();
+  s.setValue( "/qgis/enable_render_caching", false );
+
   theMapRenderer.render( painter );
+  s.setValue( "/qgis/enable_render_caching", bkLayerCaching );
+
   theMapRenderer.setScale( bk_scale );
 }