Add nullCrs for more performanct (de)initialisation of a default cons…

…tructed CRS
qgis · Dec 29, 2020 · 7e0f58ff7465cbf300fe6dfa238669431e26f0ed · 7e0f58f
1 parent 1a716ce
commit 7e0f58ff7465cbf300fe6dfa238669431e26f0ed
Unified Split

Showing with 3 additions and 1 deletion.

+3 −1 src/core/qgscoordinatereferencesystem.cpp
diff --git a/src/core/qgscoordinatereferencesystem.cpp b/src/core/qgscoordinatereferencesystem.cpp
@@ -111,7 +111,9 @@ QString getFullProjString( PJ *obj )
 
 QgsCoordinateReferenceSystem::QgsCoordinateReferenceSystem()
 {
-  d = new QgsCoordinateReferenceSystemPrivate();
+  static QgsCoordinateReferenceSystem nullCrs = QgsCoordinateReferenceSystem( QString() );
+
+  d = nullCrs.d;
 }
 
 QgsCoordinateReferenceSystem::QgsCoordinateReferenceSystem( const QString &definition )