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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/test/fontconfig_util_linux.h"
#include <fontconfig/fontconfig.h>
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
namespace gfx {
const char* const kSystemFontsForFontconfig[] = {
"/usr/share/fonts/truetype/kochi/kochi-gothic.ttf",
"/usr/share/fonts/truetype/kochi/kochi-mincho.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Arial.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Arial_Bold.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Arial_Bold_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Arial_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Comic_Sans_MS.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Comic_Sans_MS_Bold.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Courier_New.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Courier_New_Bold.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Courier_New_Bold_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Courier_New_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Georgia.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Georgia_Bold.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Georgia_Bold_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Georgia_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Impact.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS_Bold.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS_Bold_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Trebuchet_MS_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman_Bold.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman_Bold_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Verdana.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Verdana_Bold.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Verdana_Bold_Italic.ttf",
"/usr/share/fonts/truetype/msttcorefonts/Verdana_Italic.ttf",
// The DejaVuSans font is used by the css2.1 tests.
"/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf",
"/usr/share/fonts/truetype/ttf-indic-fonts-core/lohit_hi.ttf",
"/usr/share/fonts/truetype/ttf-indic-fonts-core/lohit_ta.ttf",
"/usr/share/fonts/truetype/ttf-indic-fonts-core/MuktiNarrow.ttf",
};
const size_t kNumSystemFontsForFontconfig =
arraysize(kSystemFontsForFontconfig);
const char kFontconfigFileHeader[] =
"<?xml version=\"1.0\"?>\n"
"<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">\n"
"<fontconfig>\n";
const char kFontconfigFileFooter[] = "</fontconfig>";
const char kFontconfigMatchFontHeader[] = " <match target=\"font\">\n";
const char kFontconfigMatchPatternHeader[] = " <match target=\"pattern\">\n";
const char kFontconfigMatchFooter[] = " </match>\n";
void SetUpFontconfig() {
FcInit();
// A primer on undocumented FcConfig reference-counting:
//
// - FcConfigCreate() creates a config with a refcount of 1.
// - FcConfigReference() increments a config's refcount.
// - FcConfigDestroy() decrements a config's refcount, deallocating the
// config when the count reaches 0.
// - FcConfigSetCurrent() calls FcConfigDestroy() on the old config, but
// interestingly does not call FcConfigReference() on the new config.
CHECK(FcConfigSetCurrent(FcConfigCreate()));
}
void TearDownFontconfig() {
FcFini();
}
bool LoadFontIntoFontconfig(const base::FilePath& path) {
if (!base::PathExists(path)) {
LOG(ERROR) << "You are missing " << path.value() << ". Try re-running "
<< "build/install-build-deps.sh. Also see "
<< "http://code.google.com/p/chromium/wiki/LayoutTestsLinux";
return false;
}
if (!FcConfigAppFontAddFile(
NULL, reinterpret_cast<const FcChar8*>(path.value().c_str()))) {
LOG(ERROR) << "Failed to load font " << path.value();
return false;
}
return true;
}
bool LoadSystemFontIntoFontconfig(const std::string& basename) {
for (size_t i = 0; i < kNumSystemFontsForFontconfig; ++i) {
base::FilePath path(kSystemFontsForFontconfig[i]);
if (base::EqualsCaseInsensitiveASCII(path.BaseName().value(), basename))
return LoadFontIntoFontconfig(path);
}
LOG(ERROR) << "Unable to find system font named " << basename;
return false;
}
bool LoadConfigFileIntoFontconfig(const base::FilePath& path) {
// Unlike other FcConfig functions, FcConfigParseAndLoad() doesn't default to
// the current config when passed NULL. So that's cool.
if (!FcConfigParseAndLoad(FcConfigGetCurrent(),
reinterpret_cast<const FcChar8*>(path.value().c_str()), FcTrue)) {
LOG(ERROR) << "Fontconfig failed to load " << path.value();
return false;
}
return true;
}
bool LoadConfigDataIntoFontconfig(const base::FilePath& temp_dir,
const std::string& data) {
base::FilePath path;
if (!CreateTemporaryFileInDir(temp_dir, &path)) {
PLOG(ERROR) << "Unable to create temporary file in " << temp_dir.value();
return false;
}
if (base::WriteFile(path, data.data(), data.size()) !=
static_cast<int>(data.size())) {
PLOG(ERROR) << "Unable to write config data to " << path.value();
return false;
}
return LoadConfigFileIntoFontconfig(path);
}
std::string CreateFontconfigEditStanza(const std::string& name,
const std::string& type,
const std::string& value) {
return base::StringPrintf(
" <edit name=\"%s\" mode=\"assign\">\n"
" <%s>%s</%s>\n"
" </edit>\n",
name.c_str(), type.c_str(), value.c_str(), type.c_str());
}
std::string CreateFontconfigTestStanza(const std::string& name,
const std::string& op,
const std::string& type,
const std::string& value) {
return base::StringPrintf(
" <test name=\"%s\" compare=\"%s\" qual=\"any\">\n"
" <%s>%s</%s>\n"
" </test>\n",
name.c_str(), op.c_str(), type.c_str(), value.c_str(), type.c_str());
}
std::string CreateFontconfigAliasStanza(const std::string& original_family,
const std::string& preferred_family) {
return base::StringPrintf(
" <alias>\n"
" <family>%s</family>\n"
" <prefer><family>%s</family></prefer>\n"
" </alias>\n",
original_family.c_str(), preferred_family.c_str());
}
} // namespace gfx
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