Add onGetFamilyName to SkTypeface.

src/ports/SkTypeface_win_dw.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTypes.h"
 // SkTypes will include Windows.h, which will pull in all of the GDI defines.
 // GDI #defines GetGlyphIndices to GetGlyphIndicesA or GetGlyphIndicesW, but
 // IDWriteFontFace has a method called GetGlyphIndices. Since this file does
 // not use GDI, undefing GetGlyphIndices makes things less confusing.
 #undef GetGlyphIndices
 
+#include "SkDWrite.h"
 #include "SkDWriteFontFileStream.h"
 #include "SkFontDescriptor.h"
 #include "SkFontStream.h"
 #include "SkOTTable_head.h"
 #include "SkOTTable_hhea.h"
 #include "SkOTTable_OS_2.h"
 #include "SkOTTable_post.h"
 #include "SkScalerContext.h"
 #include "SkScalerContext_win_dw.h"
 #include "SkTypeface_win_dw.h"
 #include "SkUtils.h"
 
+void DWriteFontTypeface::onGetFamilyName(SkString* familyName) const {
+    SkTScopedComPtr<IDWriteLocalizedStrings> familyNames;
+    HRV(fDWriteFontFamily->GetFamilyNames(&familyNames));
+
+    sk_get_locale_string(familyNames.get(), NULL/*fMgr->fLocaleName.get()*/, familyName);
+}
+
 void DWriteFontTypeface::onGetFontDescriptor(SkFontDescriptor* desc,
                                              bool* isLocalStream) const {
     // Get the family name.
     SkTScopedComPtr<IDWriteLocalizedStrings> familyNames;
     HRV(fDWriteFontFamily->GetFamilyNames(&familyNames));
 
-    UINT32 familyNamesLen;
-    HRV(familyNames->GetStringLength(0, &familyNamesLen));
-
-    SkSMallocWCHAR familyName(familyNamesLen+1);
-    HRV(familyNames->GetString(0, familyName.get(), familyNamesLen+1));
-
     SkString utf8FamilyName;
-    HRV(sk_wchar_to_skstring(familyName.get(), familyNamesLen, &utf8FamilyName));
+    sk_get_locale_string(familyNames.get(), NULL/*fMgr->fLocaleName.get()*/, &utf8FamilyName);
 
     desc->setFamilyName(utf8FamilyName.c_str());
     *isLocalStream = SkToBool(fDWriteFontFileLoader.get());
 }
 
 static SkUnichar next_utf8(const void** chars) {
     return SkUTF8_NextUnichar((const char**)chars);
 }
 
 static SkUnichar next_utf16(const void** chars) {
@@ skipping 404 matching lines @@
                 getAdvanceData(fDWriteFontFace.get(),
                                glyphCount,
                                glyphIDs,
                                glyphIDsCount,
                                getWidthAdvance));
         }
     }
 
     return info;
 }