1 files changed, 4 insertions, 0 deletions
diff --git a/include/drawinglayer/attribute/sdrobjectattribute3d.hxx b/include/drawinglayer/attribute/sdrobjectattribute3d.hxx
index b4ea75bfbf87..85019eff89b5 100644
--- a/include/drawinglayer/attribute/sdrobjectattribute3d.hxx
+++ b/include/drawinglayer/attribute/sdrobjectattribute3d.hxx
@@ -64,11 +64,15 @@ namespace drawinglayer
                 bool bTextureFilter,
                 bool bReducedLineGeometry);
             Sdr3DObjectAttribute(const Sdr3DObjectAttribute& rCandidate);
+            Sdr3DObjectAttribute();
             ~Sdr3DObjectAttribute();
 
             // assignment operator
             Sdr3DObjectAttribute& operator=(const Sdr3DObjectAttribute& rCandidate);
 
+            // checks if the incarnation is default constructed
+            bool isDefault() const;
+
             // compare operator
             bool operator==(const Sdr3DObjectAttribute& rCandidate) const;