Filter for TrueType fonts, avoid Type-1

src/ports/SkFontConfigInterface_direct.cpp

 /*
  * Copyright 2009-2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 /* migrated from chrome/src/skia/ext/SkFontHost_fontconfig_direct.cpp */
 
 #include "SkBuffer.h"
@@ skipping 575 matching lines @@
 
     FcPattern* pattern = FcPatternCreate();
 
     if (familyName) {
         FcPatternAddString(pattern, FC_FAMILY, (FcChar8*)familyName);
     }
     fcpattern_from_skfontstyle(style, pattern);
 
     FcPatternAddBool(pattern, FC_SCALABLE, FcTrue);
 
+    // Using hb-ot-font functions for glyph lookup in Chrome does not support
+    // Type1 fonts.
+    FcPatternAddString(pattern, FC_FONTFORMAT, reinterpret_cast<const FcChar8*>("TrueType"));
+    FcPatternAddString(pattern, FC_FONTFORMAT, reinterpret_cast<const FcChar8*>("CFF"));
+
     FcConfigSubstitute(nullptr, pattern, FcMatchPattern);
     FcDefaultSubstitute(pattern);
 
     // Font matching:
     // CSS often specifies a fallback list of families:
     //    font-family: a, b, c, serif;
     // However, fontconfig will always do its best to find *a* font when asked
     // for something so we need a way to tell if the match which it has found is
     // "good enough" for us. Otherwise, we can return nullptr which gets piped up
     // and lets WebKit know to try the next CSS family name. However, fontconfig
@@ skipping 120 matching lines @@
         const char* famName = get_name(match, FC_FAMILY);
         if (famName && !find_name(names, famName)) {
             *names.append() = famName;
             *sizes.append() = strlen(famName) + 1;
         }
     }
 
     return SkDataTable::MakeCopyArrays((const void*const*)names.begin(),
                                        sizes.begin(), names.count());
 }