hold MetaAction by rtl::Reference

instead of yet another private implementation of manual reference
counting

Change-Id: Iefb1d2e595e45a2dfdc3be54e1c51b64afeaf9d8
Reviewed-on: https://gerrit.libreoffice.org/52753
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 61 insertions, 61 deletions

diff --git a/include/vcl/metaact.hxx b/include/vcl/metaact.hxx
index 8deb04222fc8..2578cfd26c3e 100644
--- a/include/vcl/metaact.hxx
+++ b/include/vcl/metaact.hxx
@@ -36,6 +36,8 @@
 #include <vcl/gfxlink.hxx>
 #include <vcl/lineinfo.hxx>
 #include <vcl/metaactiontypes.hxx>
+#include <salhelper/simplereferenceobject.hxx>
+#include <rtl/ref.hxx>
 
 class SvStream;
 enum class DrawTextFlags;
@@ -60,22 +62,24 @@ struct ImplMetaWriteData
     {}
 };
 
-class VCL_DLLPUBLIC MetaAction
+class VCL_DLLPUBLIC MetaAction : public salhelper::SimpleReferenceObject
 {
 private:
-    sal_uLong            mnRefCount;
     MetaActionType       mnType;
 
 protected:
-    virtual             ~MetaAction();
+    virtual             ~MetaAction() override;
 
 public:
                         MetaAction();
     explicit            MetaAction( MetaActionType nType );
+                        MetaAction( MetaAction const & );
 
     virtual void        Execute( OutputDevice* pOut );
 
-    virtual MetaAction* Clone();
+    oslInterlockedCount GetRefCount() { return m_nCount; }
+
+    virtual rtl::Reference<MetaAction> Clone();
 
     virtual void        Move( long nHorzMove, long nVertMove );
     virtual void        Scale( double fScaleX, double fScaleY );
@@ -84,10 +88,6 @@ public:
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData );
 
     MetaActionType      GetType() const { return mnType; }
-    sal_uLong           GetRefCount() const { return mnRefCount; }
-    void                ResetRefCount() { mnRefCount = 1; }
-    void                Duplicate()  { mnRefCount++; }
-    void                Delete() { if ( 0 == --mnRefCount ) delete this; }
 
 public:
     static MetaAction*  ReadMetaAction( SvStream& rIStm, ImplMetaReadData* pData );
@@ -105,7 +105,7 @@ protected:
     virtual             ~MetaPixelAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -129,7 +129,7 @@ protected:
     virtual             ~MetaPointAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -155,7 +155,7 @@ protected:
     virtual             ~MetaLineAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -183,7 +183,7 @@ protected:
     virtual             ~MetaRectAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -209,7 +209,7 @@ protected:
     virtual             ~MetaRoundRectAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -236,7 +236,7 @@ protected:
     virtual             ~MetaEllipseAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -262,7 +262,7 @@ protected:
     virtual             ~MetaArcAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -291,7 +291,7 @@ protected:
     virtual             ~MetaPieAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -320,7 +320,7 @@ protected:
     virtual             ~MetaChordAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -348,7 +348,7 @@ protected:
     virtual             ~MetaPolyLineAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -374,7 +374,7 @@ protected:
     virtual             ~MetaPolygonAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -398,7 +398,7 @@ protected:
     virtual             ~MetaPolyPolygonAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -425,7 +425,7 @@ protected:
     virtual             ~MetaTextAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -464,7 +464,7 @@ public:
 
     virtual void        Execute( OutputDevice* pOut ) override;
 
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
 
     virtual void    Move( long nHorzMove, long nVertMove ) override;
     virtual void    Scale( double fScaleX, double fScaleY ) override;
@@ -495,7 +495,7 @@ protected:
     virtual             ~MetaStretchTextAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -527,7 +527,7 @@ protected:
     virtual             ~MetaTextRectAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -558,7 +558,7 @@ protected:
     virtual             ~MetaTextLineAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -589,7 +589,7 @@ protected:
     virtual             ~MetaBmpAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -616,7 +616,7 @@ protected:
     virtual             ~MetaBmpScaleAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -647,7 +647,7 @@ protected:
     virtual             ~MetaBmpScalePartAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -678,7 +678,7 @@ protected:
     virtual             ~MetaBmpExAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -705,7 +705,7 @@ protected:
     virtual             ~MetaBmpExScaleAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -736,7 +736,7 @@ protected:
     virtual             ~MetaBmpExScalePartAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -768,7 +768,7 @@ protected:
     virtual             ~MetaMaskAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -799,7 +799,7 @@ protected:
     virtual             ~MetaMaskScaleAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -833,7 +833,7 @@ protected:
     virtual             ~MetaMaskScalePartAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -866,7 +866,7 @@ protected:
     virtual             ~MetaGradientAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -892,7 +892,7 @@ protected:
     virtual             ~MetaGradientExAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -918,7 +918,7 @@ protected:
     virtual             ~MetaHatchAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -944,7 +944,7 @@ protected:
     virtual             ~MetaWallpaperAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -971,7 +971,7 @@ protected:
     virtual             ~MetaClipRegionAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -996,7 +996,7 @@ protected:
     virtual             ~MetaISectRectClipRegionAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1020,7 +1020,7 @@ protected:
     virtual             ~MetaISectRegionClipRegionAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1045,7 +1045,7 @@ protected:
     virtual             ~MetaMoveClipRegionAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1070,7 +1070,7 @@ protected:
     virtual             ~MetaLineColorAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1093,7 +1093,7 @@ protected:
     virtual             ~MetaFillColorAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1115,7 +1115,7 @@ protected:
     virtual             ~MetaTextColorAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1137,7 +1137,7 @@ protected:
     virtual             ~MetaTextFillColorAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1160,7 +1160,7 @@ protected:
     virtual             ~MetaTextLineColorAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1183,7 +1183,7 @@ protected:
     virtual             ~MetaOverlineColorAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1205,7 +1205,7 @@ protected:
     virtual             ~MetaTextAlignAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1226,7 +1226,7 @@ protected:
     virtual             ~MetaMapModeAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1249,7 +1249,7 @@ protected:
     virtual             ~MetaFontAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1272,7 +1272,7 @@ protected:
     virtual             ~MetaPushAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1290,7 +1290,7 @@ protected:
     virtual             ~MetaPopAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 };
@@ -1307,7 +1307,7 @@ protected:
     virtual             ~MetaRasterOpAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1329,7 +1329,7 @@ protected:
     virtual             ~MetaTransparentAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1357,7 +1357,7 @@ protected:
     virtual             ~MetaFloatTransparentAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1388,7 +1388,7 @@ protected:
     virtual             ~MetaEPSAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1417,7 +1417,7 @@ protected:
     virtual             ~MetaRefPointAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1451,7 +1451,7 @@ public:
     virtual void        Scale( double fScaleX, double fScaleY ) override;
 
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1473,7 +1473,7 @@ protected:
     virtual             ~MetaLayoutModeAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;
 
@@ -1494,7 +1494,7 @@ protected:
     virtual             ~MetaTextLanguageAction() override;
 public:
     virtual void        Execute( OutputDevice* pOut ) override;
-    virtual MetaAction* Clone() override;
+    virtual rtl::Reference<MetaAction> Clone() override;
     virtual void        Write( SvStream& rOStm, ImplMetaWriteData* pData ) override;
     virtual void        Read( SvStream& rIStm, ImplMetaReadData* pData ) override;