[Libreoffice-commits] core.git: Branch 'feature/commonsallayout' - vcl/quartz

[Khaled Hosny]

 vcl/quartz/salgdi.cxx |   42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

New commits:
commit 28bfc0984b1728b5a82c6b630277646b4c0a2794
Author: Khaled Hosny <khaledhosny at eglug.org>
Date:   Fri Oct 14 02:19:32 2016 +0200

    Untested first part of macOS font fallback
    
    Change-Id: I0d9a5b9f951755e8f12d26116ee2c99bda1d42ce

diff --git a/vcl/quartz/salgdi.cxx b/vcl/quartz/salgdi.cxx
index bb99737..37982a8 100644
--- a/vcl/quartz/salgdi.cxx
+++ b/vcl/quartz/salgdi.cxx
@@ -55,6 +55,45 @@
 
 using namespace vcl;
 
+class CoreTextGlyphFallbackSubstititution
+:    public ImplGlyphFallbackFontSubstitution
+{
+public:
+    bool FindFontSubstitute(FontSelectPattern&, OUString&) const override;
+}
+
+bool CoreTextGlyphFallbackSubstititution::FindFontSubstitute(FontSelectPattern& rPattern,
+    OUString& rMissingChars) const
+{
+    bool bFound = false;
+    CoreTextStyle rStyle(rPattern);
+    CTFontRef pFont = static_cast<CTFontRef>(CFDictionaryGetValue(rStyle.GetStyleDict(), kCTFontAttributeName));
+    CFStringRef pStr = CreateCFString(rMissingChars);
+    if (pStr)
+    {
+        CTFontRef pFallback = CTFontCreateForString(pFont, pStr, CFRangeMake(0, CFStringGetLength(pStr)));
+        if (pFallback)
+        {
+            bFound = true;
+
+            CTFontDescriptorRef pDesc = CTFontCopyFontDescriptor(pFallback);
+            FontAttributes rAttr = DevFontFromCTFontDescriptor(pDesc, nullptr);
+
+            rPattern.maSearchName = rAttr.GetFamilyName();
+
+            rPattern.SetWeight(rAttr.GetWeight());
+            rPattern.SetItalic(rAttr.GetItalic());
+            rPattern.SetPitch(rAttr.GetPitch());
+            rPattern.SetWidthType(rAttr.GetWidthType());
+
+            CFRelease(pFallback);
+        }
+        CFRelease(pStr);
+    }
+
+    return bFound;
+}
+
 CoreTextFontFace::CoreTextFontFace( const CoreTextFontFace& rSrc )
   : PhysicalFontFace( rSrc )
   , mnFontId( rSrc.mnFontId )
@@ -387,6 +426,9 @@ void AquaSalGraphics::GetDevFontList( PhysicalFontCollection* pFontCollection )
 
     // Copy all PhysicalFontFace objects contained in the SystemFontList
     pSalData->mpFontList->AnnounceFonts( *pFontCollection );
+
+    static CoreTextGlyphFallbackSubstititution aSubstFallback;
+    pFontCollection->SetFallbackHook(&aSubstFallback);
 }
 
 void AquaSalGraphics::ClearDevFontCache()