ui/gfx/test/fontconfig_util_linux.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef UI_GFX_TEST_FONTCONFIG_UTIL_LINUX_H_
   6 #define UI_GFX_TEST_FONTCONFIG_UTIL_LINUX_H_
   7
   8 #include <string>
   9
  10 #include "base/files/file_path.h"
  11
  12 namespace gfx {
  13
  14 // Array of paths to font files that are expected to exist on machines where
  15 // tests are run.
  16 extern const char* const kSystemFontsForFontconfig[];
  17 extern const size_t kNumSystemFontsForFontconfig;
  18
  19 // Strings appearing at the beginning and end of Fontconfig XML files.
  20 extern const char kFontconfigFileHeader[];
  21 extern const char kFontconfigFileFooter[];
  22
  23 // Strings appearing at the beginning and end of Fontconfig <match> stanzas.
  24 extern const char kFontconfigMatchFontHeader[];
  25 extern const char kFontconfigMatchPatternHeader[];
  26 extern const char kFontconfigMatchFooter[];
  27
  28 // Initializes Fontconfig and creates and swaps in a new, empty config.
  29 void SetUpFontconfig();
  30
  31 // Deinitializes Fontconfig.
  32 void TearDownFontconfig();
  33
  34 // Loads the font file at |path| into the current config, returning true on
  35 // success.
  36 bool LoadFontIntoFontconfig(const base::FilePath& path);
  37
  38 // Loads the first system font in kSystemFontsForFontconfig with a base filename
  39 // of |basename|. Case is ignored. FcFontMatch() requires there to be at least
  40 // one font present.
  41 bool LoadSystemFontIntoFontconfig(const std::string& basename);
  42
  43 // Instructs Fontconfig to load |path|, an XML configuration file, into the
  44 // current config, returning true on success.
  45 bool LoadConfigFileIntoFontconfig(const base::FilePath& path);
  46
  47 // Writes |data| to a file in |temp_dir| and passes it to
  48 // LoadConfigFileIntoFontconfig().
  49 bool LoadConfigDataIntoFontconfig(const base::FilePath& temp_dir,
  50                                   const std::string& data);
  51
  52 // Returns a Fontconfig <edit> stanza.
  53 std::string CreateFontconfigEditStanza(const std::string& name,
  54                                        const std::string& type,
  55                                        const std::string& value);
  56
  57 // Returns a Fontconfig <test> stanza.
  58 std::string CreateFontconfigTestStanza(const std::string& name,
  59                                        const std::string& op,
  60                                        const std::string& type,
  61                                        const std::string& value);
  62
  63 // Returns a Fontconfig <alias> stanza.
  64 std::string CreateFontconfigAliasStanza(const std::string& original_family,
  65                                         const std::string& preferred_family);
  66
  67 }  // namespace gfx
  68
  69 #endif  // UI_GFX_TEST_FONTCONFIG_UTIL_LINUX_H_