FontSupport::FontMatch FontSupport::matchFont(const WFont& font) const
{
for (MatchCache::iterator i = cache_.begin(); i != cache_.end(); ++i) {
if (i->font.genericFamily() == font.genericFamily() &&
i->font.specificFamilies() == font.specificFamilies() &&
i->font.weight() == font.weight() &&
i->font.style() == font.style()) {
cache_.splice(cache_.begin(), cache_, i); // implement LRU
return cache_.front().match;
}
}
FontMatch match;
for (unsigned i = 0; i < fontCollections_.size(); ++i) {
FontMatch m = matchFont(font, fontCollections_[i].directory,
fontCollections_[i].recursive);
if (m.quality() > match.quality())
match = m;
}
// implement LRU
cache_.pop_back();
cache_.push_front(Matched());
cache_.front().font = font;
cache_.front().match = match;
return match;
}
FontSupport::FontMatch FontSupport::matchFont(const WFont& font,
const std::string& directory,
bool recursive) const
{
if (!FileUtils::exists(directory)
|| !FileUtils::isDirectory(directory)) {
LOG_ERROR("cannot read directory '" << directory << "'");
return FontMatch();
}
std::vector<std::string> fontNames;
std::string families = font.specificFamilies().toUTF8();
boost::split(fontNames, families, boost::is_any_of(","));
for (unsigned i = 0; i < fontNames.size(); ++i) {
std::string s = Utils::lowerCase(fontNames[i]); // UTF-8 !
boost::trim_if(s, boost::is_any_of("\"'"));
s = Utils::replace(s, ' ', std::string());
fontNames[i] = s;
}
switch (font.genericFamily()) {
case WFont::Serif:
fontNames.push_back("times");
fontNames.push_back("timesnewroman");
break;
case WFont::SansSerif:
fontNames.push_back("helvetica");
fontNames.push_back("arialunicode");
fontNames.push_back("arial");
fontNames.push_back("verdana");
break;
case WFont::Cursive:
fontNames.push_back("zapfchancery");
break;
case WFont::Fantasy:
fontNames.push_back("western");
break;
case WFont::Monospace:
fontNames.push_back("courier");
fontNames.push_back("mscouriernew");
break;
default:
;
}
FontMatch match;
matchFont(font, fontNames, directory, recursive, match);
return match;
}
