vcl: factor out font name lookup for future re-use.

Change-Id: I35f80610862528d7525fa61135604468271ca37a

vcl/inc/PhysicalFontCollection.hxx

@@ -54,6 +54,7 @@ public:
 
     // find the device font
     PhysicalFontFamily*    FindFontFamily( const OUString& rFontName ) const;
+    PhysicalFontFamily*    FindOrCreateFamily( const OUString &rFamilyName );
     PhysicalFontFamily*    ImplFindByFont( FontSelectPattern& ) const;
     PhysicalFontFamily*    ImplFindBySearchName( const OUString& ) const;
 

vcl/source/font/PhysicalFontCollection.cxx

@@ -353,16 +353,7 @@ void PhysicalFontCollection::Add( PhysicalFontFace* pNewData )
     GetEnglishSearchFontName( aSearchName );
 
     PhysicalFontFamilies::const_iterator it = maPhysicalFontFamilies.find( aSearchName );
-    PhysicalFontFamily* pFoundData = NULL;
-
-    if( it != maPhysicalFontFamilies.end() )
-        pFoundData = (*it).second;
-
-    if( !pFoundData )
-    {
-        pFoundData = new PhysicalFontFamily( aSearchName );
-        maPhysicalFontFamilies[ aSearchName ] = pFoundData;
-    }
+    PhysicalFontFamily* pFoundData = FindOrCreateFamily( aSearchName );
 
     bool bKeepNewData = pFoundData->AddFontFace( pNewData );
 
@@ -434,6 +425,23 @@ PhysicalFontFamily* PhysicalFontCollection::FindFontFamily( const OUString& rFon
     return pFound;
 }
 
+PhysicalFontFamily *PhysicalFontCollection::FindOrCreateFamily( const OUString &rFamilyName )
+{
+    PhysicalFontFamilies::const_iterator it = maPhysicalFontFamilies.find( rFamilyName );
+    PhysicalFontFamily* pFoundData = NULL;
+
+    if( it != maPhysicalFontFamilies.end() )
+        pFoundData = (*it).second;
+
+    if( !pFoundData )
+    {
+        pFoundData = new PhysicalFontFamily( rFamilyName );
+        maPhysicalFontFamilies[ rFamilyName ] = pFoundData;
+    }
+
+    return pFoundData;
+}
+
 PhysicalFontFamily* PhysicalFontCollection::ImplFindByTokenNames(const OUString& rTokenStr) const
 {
     PhysicalFontFamily* pFoundData = NULL;