Re-factor AddTempDevFont to share it with headless backend.

Change-Id: Ic316b18eace3445edef346fe319cbb0e557607fa

vcl/generic/print/genpspgraphics.cxx

@@ -872,6 +872,43 @@ bool GenPspGraphics::AddTempDevFont( PhysicalFontCollection*, const OUString&,co
     return false;
 }
 
+bool GenPspGraphics::AddTempDevFontHelper( PhysicalFontCollection* pFontCollection,
+                                           const OUString& rFileURL,
+                                           const OUString& rFontName,
+                                           GlyphCache &rGC )
+{
+    // inform PSP font manager
+    OUString aUSystemPath;
+    OSL_VERIFY( !osl::FileBase::getSystemPathFromFileURL( rFileURL, aUSystemPath ) );
+    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
+    OString aOFileName( OUStringToOString( aUSystemPath, aEncoding ) );
+    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
+    std::vector<psp::fontID> aFontIds = rMgr.addFontFile( aOFileName );
+    if( aFontIds.empty() )
+        return false;
+
+    for (std::vector<psp::fontID>::iterator aI = aFontIds.begin(), aEnd = aFontIds.end(); aI != aEnd; ++aI)
+    {
+        // prepare font data
+        psp::FastPrintFontInfo aInfo;
+        rMgr.getFontFastInfo( *aI, aInfo );
+        aInfo.m_aFamilyName = rFontName;
+
+        // inform glyph cache of new font
+        ImplDevFontAttributes aDFA = GenPspGraphics::Info2DevFontAttributes( aInfo );
+        aDFA.mnQuality += 5800;
+
+        int nFaceNum = rMgr.getFontFaceNumber( aInfo.m_nID );
+
+        const OString& rFileName = rMgr.getFontFileSysPath( aInfo.m_nID );
+        rGC.AddFontFile( rFileName, nFaceNum, aInfo.m_nID, aDFA );
+    }
+
+    // announce new font to device's font list
+    rGC.AnnounceFonts( pFontCollection );
+    return true;
+}
+
 void GenPspGraphics::GetDevFontList( PhysicalFontCollection *pFontCollection )
 {
     ::std::list< psp::fontID > aList;

vcl/headless/svptextrender.cxx

@@ -291,10 +291,11 @@ void SvpTextRender::ClearDevFontCache()
     rGC.ClearFontCache();
 }
 
-bool SvpTextRender::AddTempDevFont( PhysicalFontCollection*,
-    const OUString&, const OUString& )
+bool SvpTextRender::AddTempDevFont( PhysicalFontCollection* pFontCollection,
+                                     const OUString& rFileURL,
+                                     const OUString& rFontName )
 {
-    return false;
+    return GenPspGraphics::AddTempDevFontHelper( pFontCollection, rFileURL, rFontName, SvpGlyphCache::GetInstance() );
 }
 
 bool SvpTextRender::CreateFontSubset(

vcl/inc/generic/genpspgraphics.h

@@ -35,6 +35,7 @@ namespace psp { struct JobData; class PrinterGfx; }
 class ServerFont;
 class ImplDevFontAttributes;
 class SalInfoPrinter;
+class GlyphCache;
 
 class VCL_DLLPUBLIC GenPspGraphics : public SalGraphics
 {
@@ -99,6 +100,10 @@ public:
     virtual bool            AddTempDevFont( PhysicalFontCollection*,
                                             const OUString& rFileURL,
                                             const OUString& rFontName ) SAL_OVERRIDE;
+    static bool             AddTempDevFontHelper( PhysicalFontCollection* pFontCollection,
+                                                  const OUString& rFileURL,
+                                                  const OUString& rFontName,
+                                                  GlyphCache &rGC );
 
     virtual bool            CreateFontSubset( const OUString& rToFile,
                                               const PhysicalFontFace*,

vcl/unx/generic/gdi/cairotextrender.cxx

@@ -386,38 +386,7 @@ bool CairoTextRender::AddTempDevFont( PhysicalFontCollection* pFontCollection,
                                      const OUString& rFileURL,
                                      const OUString& rFontName )
 {
-    // inform PSP font manager
-    OUString aUSystemPath;
-    OSL_VERIFY( !osl::FileBase::getSystemPathFromFileURL( rFileURL, aUSystemPath ) );
-    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
-    OString aOFileName( OUStringToOString( aUSystemPath, aEncoding ) );
-    psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
-    std::vector<psp::fontID> aFontIds = rMgr.addFontFile( aOFileName );
-    if( aFontIds.empty() )
-        return false;
-
-    GlyphCache& rGC = getPlatformGlyphCache();
-
-    for (std::vector<psp::fontID>::iterator aI = aFontIds.begin(), aEnd = aFontIds.end(); aI != aEnd; ++aI)
-    {
-        // prepare font data
-        psp::FastPrintFontInfo aInfo;
-        rMgr.getFontFastInfo( *aI, aInfo );
-        aInfo.m_aFamilyName = rFontName;
-
-        // inform glyph cache of new font
-        ImplDevFontAttributes aDFA = GenPspGraphics::Info2DevFontAttributes( aInfo );
-        aDFA.mnQuality += 5800;
-
-        int nFaceNum = rMgr.getFontFaceNumber( aInfo.m_nID );
-
-        const OString& rFileName = rMgr.getFontFileSysPath( aInfo.m_nID );
-        rGC.AddFontFile( rFileName, nFaceNum, aInfo.m_nID, aDFA );
-    }
-
-    // announce new font to device's font list
-    rGC.AnnounceFonts( pFontCollection );
-    return true;
+    return GenPspGraphics::AddTempDevFontHelper( pFontCollection, rFileURL, rFontName, getPlatformGlyphCache() );
 }
 
 void CairoTextRender::ClearDevFontCache()