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| 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 #include "ui/gfx/test/fontconfig_util_linux.h" | |
| 6 | |
| 7 #include <fontconfig/fontconfig.h> | |
| 8 | |
| 9 #include "base/files/file_util.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "base/strings/stringprintf.h" | |
| 12 | |
| 13 namespace gfx { | |
| 14 | |
| 15 const char* const kSystemFontsForFontconfig[] = { | |
| 16 "/usr/share/fonts/truetype/kochi/kochi-gothic.ttf", | |
| 17 "/usr/share/fonts/truetype/kochi/kochi-mincho.ttf", | |
| 18 "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf", | |
| 19 "/usr/share/fonts/truetype/msttcorefonts/Arial_Bold.ttf", | |
| 20 "/usr/share/fonts/truetype/msttcorefonts/Arial_Bold_Italic.ttf", | |
| 21 "/usr/share/fonts/truetype/msttcorefonts/Arial_Italic.ttf", | |
| 22 "/usr/share/fonts/truetype/msttcorefonts/Comic_Sans_MS.ttf", | |
| 23 "/usr/share/fonts/truetype/msttcorefonts/Comic_Sans_MS_Bold.ttf", | |
| 24 "/usr/share/fonts/truetype/msttcorefonts/Courier_New.ttf", | |
| 25 "/usr/share/fonts/truetype/msttcorefonts/Courier_New_Bold.ttf", | |
| 26 "/usr/share/fonts/truetype/msttcorefonts/Courier_New_Bold_Italic.ttf", | |
| 27 "/usr/share/fonts/truetype/msttcorefonts/Courier_New_Italic.ttf", | |
| 28 "/usr/share/fonts/truetype/msttcorefonts/Georgia.ttf", | |
| 29 "/usr/share/fonts/truetype/msttcorefonts/Georgia_Bold.ttf", | |
| 30 "/usr/share/fonts/truetype/msttcorefonts/Georgia_Bold_Italic.ttf", | |
| 31 "/usr/share/fonts/truetype/msttcorefonts/Georgia_Italic.ttf", | |
| 32 "/usr/share/fonts/truetype/msttcorefonts/Impact.ttf", | |
| 33 "/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS.ttf", | |
| 34 "/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS_Bold.ttf", | |
| 35 "/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS_Bold_Italic.ttf", | |
| 36 "/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS_Italic.ttf", | |
| 37 "/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman.ttf", | |
| 38 "/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman_Bold.ttf", | |
| 39 "/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman_Bold_Italic.ttf", | |
| 40 "/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman_Italic.ttf", | |
| 41 "/usr/share/fonts/truetype/msttcorefonts/Verdana.ttf", | |
| 42 "/usr/share/fonts/truetype/msttcorefonts/Verdana_Bold.ttf", | |
| 43 "/usr/share/fonts/truetype/msttcorefonts/Verdana_Bold_Italic.ttf", | |
| 44 "/usr/share/fonts/truetype/msttcorefonts/Verdana_Italic.ttf", | |
| 45 // The DejaVuSans font is used by the css2.1 tests. | |
| 46 "/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf", | |
| 47 "/usr/share/fonts/truetype/ttf-indic-fonts-core/lohit_hi.ttf", | |
| 48 "/usr/share/fonts/truetype/ttf-indic-fonts-core/lohit_ta.ttf", | |
| 49 "/usr/share/fonts/truetype/ttf-indic-fonts-core/MuktiNarrow.ttf", | |
| 50 }; | |
| 51 | |
| 52 const size_t kNumSystemFontsForFontconfig = | |
| 53 arraysize(kSystemFontsForFontconfig); | |
| 54 | |
| 55 const char kFontconfigFileHeader[] = | |
| 56 "<?xml version=\"1.0\"?>\n" | |
| 57 "<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">\n" | |
| 58 "<fontconfig>\n"; | |
| 59 const char kFontconfigFileFooter[] = "</fontconfig>"; | |
| 60 const char kFontconfigMatchHeader[] = " <match>\n"; | |
| 61 const char kFontconfigMatchFooter[] = " </match>\n"; | |
| 62 | |
| 63 void SetUpFontconfig() { | |
| 64 FcInit(); | |
| 65 | |
| 66 // A primer on undocumented FcConfig reference-counting: | |
| 67 // | |
| 68 // - FcConfigCreate() creates a config with a refcount of 1. | |
| 69 // - FcConfigReference() increments a config's refcount. | |
| 70 // - FcConfigDestroy() decrements a config's refcount, deallocating the | |
| 71 // config when the count reaches 0. | |
| 72 // - FcConfigSetCurrent() calls FcConfigDestroy() on the old config, but | |
| 73 // interestingly does not call FcConfigReference() on the new config. | |
| 74 CHECK(FcConfigSetCurrent(FcConfigCreate())); | |
| 75 } | |
| 76 | |
| 77 void TearDownFontconfig() { | |
| 78 FcFini(); | |
| 79 } | |
| 80 | |
| 81 bool LoadFontIntoFontconfig(const base::FilePath& path) { | |
| 82 if (!base::PathExists(path)) { | |
| 83 LOG(ERROR) << "You are missing " << path.value() << ". Try re-running " | |
| 84 << "build/install-build-deps.sh. Also see " | |
| 85 << "http://code.google.com/p/chromium/wiki/LayoutTestsLinux"; | |
| 86 return false; | |
| 87 } | |
| 88 | |
| 89 if (!FcConfigAppFontAddFile( | |
| 90 NULL, reinterpret_cast<const FcChar8*>(path.value().c_str()))) { | |
| 91 LOG(ERROR) << "Failed to load font " << path.value(); | |
| 92 return false; | |
| 93 } | |
| 94 | |
| 95 return true; | |
| 96 } | |
| 97 | |
| 98 bool LoadConfigFileIntoFontconfig(const base::FilePath& path) { | |
| 99 // Unlike other FcConfig functions, FcConfigParseAndLoad() doesn't default to | |
| 100 // the current config when passed NULL. So that's cool. | |
| 101 if (!FcConfigParseAndLoad(FcConfigGetCurrent(), | |
| 102 reinterpret_cast<const FcChar8*>(path.value().c_str()), FcTrue)) { | |
| 103 LOG(ERROR) << "Fontconfig failed to load " << path.value(); | |
| 104 return false; | |
| 105 } | |
| 106 return true; | |
| 107 } | |
| 108 | |
| 109 bool LoadConfigDataIntoFontconfig(const base::FilePath& temp_dir, | |
| 110 const std::string& data) { | |
| 111 base::FilePath path; | |
| 112 if (!CreateTemporaryFileInDir(temp_dir, &path)) { | |
| 113 PLOG(ERROR) << "Unable to create temporary file in " << temp_dir.value(); | |
| 114 return false; | |
| 115 } | |
| 116 if (base::WriteFile(path, data.data(), data.size()) != | |
| 117 static_cast<int>(data.size())) { | |
| 118 PLOG(ERROR) << "Unable to write config data to " << path.value(); | |
| 119 return false; | |
| 120 } | |
| 121 return LoadConfigFileIntoFontconfig(path); | |
| 122 } | |
| 123 | |
| 124 std::string CreateFontconfigEditStanza(const std::string& name, | |
| 125 const std::string& type, | |
| 126 const std::string& value) { | |
| 127 return base::StringPrintf( | |
| 128 " <edit name=\"%s\" mode=\"assign\">\n" | |
| 129 " <%s>%s</%s>\n" | |
| 130 " </edit>\n", | |
| 131 name.c_str(), type.c_str(), value.c_str(), type.c_str()); | |
| 132 } | |
| 133 | |
| 134 std::string CreateFontconfigTestStanza(const std::string& name, | |
| 135 const std::string& op, | |
| 136 const std::string& type, | |
| 137 const std::string& value) { | |
| 138 return base::StringPrintf( | |
| 139 " <test name=\"%s\" compare=\"%s\" qual=\"any\">\n" | |
| 140 " <%s>%s</%s>\n" | |
| 141 " </test>\n", | |
| 142 name.c_str(), op.c_str(), type.c_str(), value.c_str(), type.c_str()); | |
| 143 } | |
| 144 | |
| 145 std::string CreateFontconfigAliasStanza(const std::string& original_family, | |
| 146 const std::string& preferred_family) { | |
| 147 return base::StringPrintf( | |
| 148 " <alias>\n" | |
| 149 " <family>%s</family>\n" | |
| 150 " <prefer><family>%s</family></prefer>\n" | |
| 151 " </alias>\n", | |
| 152 original_family.c_str(), preferred_family.c_str()); | |
| 153 } | |
| 154 | |
| 155 } // namespace gfx | |
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