Tries to retrieve all post_match_families in the font to support non-ascii fo...

skia/ext/SkFontHost_fontconfig_direct.cpp

 /* libs/graphics/ports/SkFontHost_fontconfig_direct.cpp
 **
 ** Copyright 2009, Google Inc.
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
@@ skipping 134 matching lines @@
       match = current;
       break;
     }
 
     if (!match) {
       FcPatternDestroy(pattern);
       FcFontSetDestroy(font_set);
       return false;
     }
 
-    FcChar8* post_match_family;
-    FcPatternGetString(match, FC_FAMILY, 0, &post_match_family);
-    const bool family_names_match =
-        family.empty() ?
-        true :
-        strcasecmp((char *)post_config_family, (char *)post_match_family) == 0;
+    if (!IsFallbackFontAllowed(family)) {
+      bool family_names_match = false;
+      for (int id = 0; id < 255; ++id) {
+        FcChar8* post_match_family;
+        if (FcPatternGetString(match, FC_FAMILY, id, &post_match_family) !=
+            FcResultMatch)
+          break;
+        family_names_match =
+          family.empty() ?
+          true :
+          strcasecmp((char *)post_config_family,
+                     (char *)post_match_family) == 0;
+        if (family_names_match)
+          break;
+      }
+      if (!family.empty() && !family_names_match) {
+        FcPatternDestroy(pattern);
+        FcFontSetDestroy(font_set);
+        return false;
+      }
+    }
 
     FcPatternDestroy(pattern);
 
-    if (!family_names_match && !IsFallbackFontAllowed(family)) {
-        FcFontSetDestroy(font_set);
-        return false;
-    }
-
     FcChar8* c_filename;
     if (FcPatternGetString(match, FC_FILE, 0, &c_filename) != FcResultMatch) {
         FcFontSetDestroy(font_set);
         return false;
     }
     const std::string filename((char *) c_filename);
 
     unsigned out_fileid;
     if (fileid_valid) {
         out_fileid = fileid;
@@ skipping 54 matching lines @@
 
 int FontConfigDirect::Open(unsigned fileid) {
     SkAutoMutexAcquire ac(mutex_);
     const std::map<unsigned, std::string>::const_iterator
         i = fileid_to_filename_.find(fileid);
     if (i == fileid_to_filename_.end())
         return -1;
 
     return open(i->second.c_str(), O_RDONLY);
 }