loplugin:useuniqueptr in FreetypeManager

Change-Id: Idf8f843f2740bc20e6b0877b62dbfc778e31acd8
Reviewed-on: https://gerrit.libreoffice.org/59018
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

vcl/inc/unx/freetype_glyphcache.hxx

@@ -100,7 +100,7 @@ public:
     FreetypeFont* CreateFont( const FontSelectPattern& );
 
 private:
-    typedef std::unordered_map<sal_IntPtr,FreetypeFontInfo*> FontList;
+    typedef std::unordered_map<sal_IntPtr, std::unique_ptr<FreetypeFontInfo>> FontList;
     FontList            maFontList;
 
     sal_IntPtr          mnMaxFontId;

vcl/unx/generic/glyphs/freetype_glyphcache.cxx

@@ -308,7 +308,7 @@ void FreetypeManager::AddFontFile( const OString& rNormalizedName,
 
     FreetypeFontInfo* pFontInfo = new FreetypeFontInfo( rDevFontAttr,
         rNormalizedName, nFaceNum, nFontId);
-    maFontList[ nFontId ] = pFontInfo;
+    maFontList[ nFontId ].reset(pFontInfo);
     if( mnMaxFontId < nFontId )
         mnMaxFontId = nFontId;
 }
@@ -317,18 +317,13 @@ void FreetypeManager::AnnounceFonts( PhysicalFontCollection* pToAdd ) const
 {
     for (auto const& font : maFontList)
     {
-        FreetypeFontInfo* pFreetypeFontInfo = font.second;
+        FreetypeFontInfo* pFreetypeFontInfo = font.second.get();
         pFreetypeFontInfo->AnnounceFont( pToAdd );
     }
 }
 
 void FreetypeManager::ClearFontList( )
 {
-    for (auto const& font : maFontList)
-    {
-        FreetypeFontInfo* pFreetypeFontInfo = font.second;
-        delete pFreetypeFontInfo;
-    }
     maFontList.clear();
 }
 
@@ -344,7 +339,7 @@ FreetypeFont* FreetypeManager::CreateFont( const FontSelectPattern& rFSD )
 
     sal_IntPtr nFontId = pFontFace->GetFontId();
     FontList::iterator it = maFontList.find(nFontId);
-    FreetypeFontInfo* pFontInfo = it != maFontList.end() ? it->second : nullptr;
+    FreetypeFontInfo* pFontInfo = it != maFontList.end() ? it->second.get() : nullptr;
 
     if (!pFontInfo)
         return nullptr;