forked from mia/Aegisub
580386b229
For whatever reason FcFontSetMatch sometimes returns something other than the first result of FcFontSetSort, and every time they different either FcFontSetMatch is wrong or they're both wrong. Fixes collection of Adobe Jenson Pro and Arno Pro.
141 lines
4.6 KiB
C++
141 lines
4.6 KiB
C++
// Copyright (c) 2012, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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#include "font_file_lister.h"
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#include <libaegisub/log.h>
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#ifdef __APPLE__
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#include <libaegisub/util_osx.h>
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#endif
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#include <boost/algorithm/string/case_conv.hpp>
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#include <boost/filesystem/path.hpp>
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#include <fontconfig/fontconfig.h>
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#include <wx/intl.h>
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namespace {
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FcConfig *init_fontconfig() {
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#ifdef __APPLE__
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FcConfig *config = FcConfigCreate();
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std::string conf_path = agi::util::GetBundleResourcesDirectory() + "/etc/fonts/fonts.conf";
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if (FcConfigParseAndLoad(config, (unsigned char *)conf_path.c_str(), FcTrue))
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return config;
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LOG_E("font_collector/fontconfig") << "Loading fontconfig configuration file failed";
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FcConfigDestroy(config);
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#endif
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return FcInitLoadConfig();
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}
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bool pattern_matches(FcPattern *pat, const char *field, std::string const& name) {
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FcChar8 *str;
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for (int i = 0; FcPatternGetString(pat, field, i, &str) == FcResultMatch; ++i) {
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std::string sstr((char *)str);
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boost::to_lower(sstr);
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if (sstr == name)
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return true;
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}
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return false;
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}
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void find_font(FcFontSet *src, FcFontSet *dst, std::string const& family) {
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if (!src) return;
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for (FcPattern *pat : boost::make_iterator_range(&src->fonts[0], &src->fonts[src->nfont])) {
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int val;
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if (FcPatternGetBool(pat, FC_OUTLINE, 0, &val) != FcResultMatch || val != FcTrue) continue;
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if (pattern_matches(pat, FC_FULLNAME, family) || pattern_matches(pat, FC_FAMILY, family))
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FcFontSetAdd(dst, FcPatternDuplicate(pat));
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}
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}
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}
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FontConfigFontFileLister::FontConfigFontFileLister(FontCollectorStatusCallback &cb)
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: config(init_fontconfig(), FcConfigDestroy)
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{
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cb(_("Updating font cache\n"), 0);
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FcConfigBuildFonts(config);
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}
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CollectionResult FontConfigFontFileLister::GetFontPaths(std::string const& facename, int bold, bool italic, std::vector<int> const& characters) {
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CollectionResult ret;
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std::string family = facename[0] == '@' ? facename.substr(1) : facename;
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boost::to_lower(family);
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int weight = bold == 0 ? 80 :
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bold == 1 ? 200 :
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bold;
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int slant = italic ? 110 : 0;
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// Create a fontconfig pattern to match the desired weight/slant
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agi::scoped_holder<FcPattern*> pat(FcPatternCreate(), FcPatternDestroy);
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if (!pat) return ret;
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FcPatternAddBool(pat, FC_OUTLINE, true);
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FcPatternAddInteger(pat, FC_SLANT, slant);
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FcPatternAddInteger(pat, FC_WEIGHT, weight);
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FcDefaultSubstitute(pat);
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if (!FcConfigSubstitute(config, pat, FcMatchPattern)) return ret;
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// Create a font set with only correctly named fonts
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// This is needed because the patterns returned by font matching only
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// include the first family and fullname, so we can't always verify that
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// we got the actual font we were asking for after the fact
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agi::scoped_holder<FcFontSet*> fset(FcFontSetCreate(), FcFontSetDestroy);
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find_font(FcConfigGetFonts(config, FcSetApplication), fset, family);
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find_font(FcConfigGetFonts(config, FcSetSystem), fset, family);
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// Get the best match from fontconfig
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FcResult result;
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FcFontSet *sets[] = { (FcFontSet*)fset };
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agi::scoped_holder<FcFontSet*> matches(FcFontSetSort(config, sets, 1, pat, false, nullptr, &result), FcFontSetDestroy);
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if (matches->nfont == 0)
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return ret;
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auto match = matches->fonts[0];
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FcChar8 *file;
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if(FcPatternGetString(match, FC_FILE, 0, &file) != FcResultMatch)
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return ret;
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FcCharSet *charset;
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if (FcPatternGetCharSet(match, FC_CHARSET, 0, &charset) == FcResultMatch) {
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for (int chr : characters) {
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if (!FcCharSetHasChar(charset, chr))
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ret.missing += chr;
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}
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}
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if (weight > 80) {
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int actual_weight = weight;
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if (FcPatternGetInteger(match, FC_WEIGHT, 0, &actual_weight) == FcResultMatch)
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ret.fake_bold = actual_weight <= 80;
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}
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int actual_slant = slant;
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if (FcPatternGetInteger(match, FC_SLANT, 0, &actual_slant) == FcResultMatch)
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ret.fake_italic = italic && !actual_slant;
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ret.paths.emplace_back((const char *)file);
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return ret;
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}
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