the copy ctor can take const ref

Change-Id: I4ef23f084d918dbf8227610f64bb7c38680e377a

filter/inc/filter/msfilter/svdfppt.hxx

@@ -945,11 +945,11 @@ struct PPTCharPropSet
     void                SetColor( sal_uInt32 nColor );
 
                         explicit PPTCharPropSet( sal_uInt32 nParagraph );
-                        PPTCharPropSet( PPTCharPropSet& rCharPropSet );
-                        PPTCharPropSet( PPTCharPropSet& rCharPropSet, sal_uInt32 nParagraph );
+                        PPTCharPropSet( const PPTCharPropSet& rCharPropSet );
+                        PPTCharPropSet( const PPTCharPropSet& rCharPropSet, sal_uInt32 nParagraph );
                         ~PPTCharPropSet();
 
-    PPTCharPropSet&     operator=( PPTCharPropSet& rCharPropSet );
+    PPTCharPropSet&     operator=( const PPTCharPropSet& rCharPropSet );
 
 private:
     void                ImplMakeUnique();
@@ -1106,12 +1106,12 @@ public:
 
                     PPTPortionObj( const PPTStyleSheet&, sal_uInt32 nInstance, sal_uInt32 nDepth );
                     PPTPortionObj(
-                        PPTCharPropSet&,
+                        const PPTCharPropSet&,
                         const PPTStyleSheet&,
                         sal_uInt32 nInstance,
                         sal_uInt32 nDepth
                     );
-                    PPTPortionObj( PPTPortionObj& );
+                    PPTPortionObj( const PPTPortionObj& );
                     ~PPTPortionObj();
 
     // the following function should be removed during next full update

filter/source/msfilter/svdfppt.cxx

@@ -4323,7 +4323,7 @@ PPTCharPropSet::PPTCharPropSet( sal_uInt32 nParagraph ) :
     mnLanguage[ 0 ] = mnLanguage[ 1 ] = mnLanguage[ 2 ] = 0;
 }
 
-PPTCharPropSet::PPTCharPropSet( PPTCharPropSet& rCharPropSet )
+PPTCharPropSet::PPTCharPropSet( const PPTCharPropSet& rCharPropSet )
 {
     pCharSet = rCharPropSet.pCharSet;
     pCharSet->mnRefCount++;
@@ -4337,7 +4337,7 @@ PPTCharPropSet::PPTCharPropSet( PPTCharPropSet& rCharPropSet )
     mnLanguage[ 2 ] = rCharPropSet.mnLanguage[ 2 ];
 }
 
-PPTCharPropSet::PPTCharPropSet( PPTCharPropSet& rCharPropSet, sal_uInt32 nParagraph )
+PPTCharPropSet::PPTCharPropSet( const PPTCharPropSet& rCharPropSet, sal_uInt32 nParagraph )
 {
     pCharSet = rCharPropSet.pCharSet;
     pCharSet->mnRefCount++;
@@ -4356,7 +4356,7 @@ PPTCharPropSet::~PPTCharPropSet()
     delete mpFieldItem;
 }
 
-PPTCharPropSet& PPTCharPropSet::operator=( PPTCharPropSet& rCharPropSet )
+PPTCharPropSet& PPTCharPropSet::operator=( const PPTCharPropSet& rCharPropSet )
 {
     if ( this != &rCharPropSet )
     {
@@ -5247,7 +5247,7 @@ PPTPortionObj::PPTPortionObj( const PPTStyleSheet& rStyleSheet, sal_uInt32 nInst
 {
 }
 
-PPTPortionObj::PPTPortionObj( PPTCharPropSet& rCharPropSet, const PPTStyleSheet& rStyleSheet, sal_uInt32 nInstance, sal_uInt32 nDepth ) :
+PPTPortionObj::PPTPortionObj( const PPTCharPropSet& rCharPropSet, const PPTStyleSheet& rStyleSheet, sal_uInt32 nInstance, sal_uInt32 nDepth ) :
     PPTCharPropSet  ( rCharPropSet ),
     mrStyleSheet    ( rStyleSheet ),
     mnInstance      ( nInstance ),
@@ -5255,7 +5255,7 @@ PPTPortionObj::PPTPortionObj( PPTCharPropSet& rCharPropSet, const PPTStyleSheet&
 {
 }
 
-PPTPortionObj::PPTPortionObj( PPTPortionObj& rPortionObj ) :
+PPTPortionObj::PPTPortionObj( const PPTPortionObj& rPortionObj ) :
     PPTCharPropSet      ( rPortionObj ),
     mrStyleSheet        ( rPortionObj.mrStyleSheet ),
     mnInstance          ( rPortionObj.mnInstance ),