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-rw-r--r--vcl/inc/impgraph.hxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/vcl/inc/impgraph.hxx b/vcl/inc/impgraph.hxx
index 30c88594c5d6..133ed2d0de46 100644
--- a/vcl/inc/impgraph.hxx
+++ b/vcl/inc/impgraph.hxx
@@ -83,6 +83,8 @@ private:
bool mbSwapOut;
bool mbDummyContext;
VectorGraphicDataPtr maVectorGraphicData;
+ // cache checksum computation
+ mutable BitmapChecksum mnChecksum = 0;
/// The PDF stream from which this Graphic is rendered,
/// as converted (version downgraded) from the original,