[Libreoffice-commits] core.git: vcl/source

[Khaled Hosny]

 vcl/source/gdi/CommonSalLayout.cxx |    3 +++
 1 file changed, 3 insertions(+)

New commits:
commit 1260bf28fc82616acfc3d0308eb2056ff6572cf2
Author: Khaled Hosny <khaledhosny at eglug.org>
Date:   Wed Nov 2 15:12:59 2016 +0200

    Add a comment here
    
    Change-Id: I07f2fe400f20d8f52588db326851f310245b7d8d

diff --git a/vcl/source/gdi/CommonSalLayout.cxx b/vcl/source/gdi/CommonSalLayout.cxx
index 6ba8cb6..5e25186 100644
--- a/vcl/source/gdi/CommonSalLayout.cxx
+++ b/vcl/source/gdi/CommonSalLayout.cxx
@@ -190,6 +190,9 @@ CommonSalLayout::CommonSalLayout(const CoreTextStyle& rCoreTextStyle)
     mpHbFont = rCoreTextStyle.GetHbFont();
     if (!mpHbFont)
     {
+        // On macOS we use HarfBuzz for AAT shaping, but HarfBuzz will then
+        // need a CGFont (as it offloads the actual AAT shaping to Core Text),
+        // if we have one we use it to create the hb_face_t.
         hb_face_t* pHbFace;
         CTFontRef pCTFont = static_cast<CTFontRef>(CFDictionaryGetValue(rCoreTextStyle.GetStyleDict(), kCTFontAttributeName));
         CGFontRef pCGFont = CTFontCopyGraphicsFont(pCTFont, nullptr);