Consolidate ImplCalcLineSpacing()

Move getting UPEM and font tables to the functions and use HarfBuzz API
to get them. In the future we might stop reading the tables ourselves
and use HarfBuzz metrics API instead.

Change-Id: I3f4511628fd33200bae94cdcd96479ba3e6d2fba
Reviewed-on: https://gerrit.libreoffice.org/78081
Tested-by: Jenkins
Reviewed-by: Khaled Hosny <khaledhosny@eglug.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/vcl/inc/impfontmetricdata.hxx b/vcl/inc/impfontmetricdata.hxx
index 73beb59722db..6250c9155436 100644
--- a/vcl/inc/impfontmetricdata.hxx
+++ b/vcl/inc/impfontmetricdata.hxx
@@ -32,6 +32,7 @@ typedef tools::SvRef<ImplFontMetricData> ImplFontMetricDataRef;
 
 class OutputDevice;
 class FontSelectPattern;
+class LogicalFontInstance;
 
 class VCL_DLLPUBLIC ImplFontMetricData : public FontAttributes, public SvRefBase
 {
@@ -92,9 +93,7 @@ public:
     void            ImplInitTextLineSize( const OutputDevice* pDev );
     void            ImplInitAboveTextLineSize();
     void            ImplInitFlags( const OutputDevice* pDev );
-    void            ImplCalcLineSpacing(const std::vector<uint8_t>& rHhea,
-                                        const std::vector<uint8_t>& rOS_2,
-                                        int nUPEM);
+    void            ImplCalcLineSpacing(LogicalFontInstance *pFontInstance);
 
 private:
     bool            ShouldUseWinMetrics(const vcl::TTGlobalFontInfo& rInfo);