const nsTArray< nsCountedRef<FcPattern> >&
gfxFontconfigUtils::GetFontsForFullname(const FcChar8 *aFullname)
{
if (mFontsByFullname.Count() == 0) {
AddFullnameEntries();
}
FontsByFullnameEntry *entry = mFontsByFullname.GetEntry(aFullname);
if (!entry)
return mEmptyPatternArray;
return entry->GetFonts();
}
void
gfxFontconfigUtils::AddFullnameEntries()
{
// This FcFontSet is owned by fontconfig
FcFontSet *fontSet = FcConfigGetFonts(NULL, FcSetSystem);
// Record the existing font families
for (int f = 0; f < fontSet->nfont; ++f) {
FcPattern *font = fontSet->fonts[f];
int v = 0;
FcChar8 *fullname;
while (FcPatternGetString(font,
FC_FULLNAME, v, &fullname) == FcResultMatch) {
FontsByFullnameEntry *entry = mFontsByFullname.PutEntry(fullname);
if (entry) {
// entry always has space for one font, so the first AddFont
// will always succeed, and so the entry will always have a
// font from which to obtain the key.
bool added = entry->AddFont(font);
// The key may be NULL either if this is the first font, or if
// the first font does not have a fullname property, and so
// the key is obtained from the font. Set the key in both
// cases. The check that AddFont succeeded is required for
// the second case.
if (!entry->mKey && added) {
entry->mKey = fullname;
}
}
++v;
}
// Fontconfig does not provide a fullname property for all fonts.
if (v == 0) {
nsAutoCString name;
if (!GetFullnameFromFamilyAndStyle(font, &name))
continue;
FontsByFullnameEntry *entry =
mFontsByFullname.PutEntry(ToFcChar8(name));
if (entry) {
entry->AddFont(font);
// Either entry->mKey has been set for a previous font or it
// remains NULL to indicate that the key is obtained from the
// first font.
}
}
}
}
void
gfxFontconfigUtils::AddFullnameEntries()
{
// These FcFontSets are owned by fontconfig
FcFontSet *fontSets[] = {
FcConfigGetFonts(nullptr, FcSetSystem)
#ifdef MOZ_BUNDLED_FONTS
, FcConfigGetFonts(nullptr, FcSetApplication)
#endif
};
for (unsigned fs = 0; fs < ArrayLength(fontSets); ++fs) {
FcFontSet *fontSet = fontSets[fs];
if (!fontSet) {
continue;
}
// Record the existing font families
for (int f = 0; f < fontSet->nfont; ++f) {
FcPattern *font = fontSet->fonts[f];
int v = 0;
FcChar8 *fullname;
while (FcPatternGetString(font,
FC_FULLNAME, v, &fullname) == FcResultMatch) {
FontsByFullnameEntry *entry =
mFontsByFullname.PutEntry(fullname);
if (entry) {
// entry always has space for one font, so the first
// AddFont will always succeed, and so the entry will
// always have a font from which to obtain the key.
bool added = entry->AddFont(font);
// The key may be nullptr either if this is the first
// font, or if the first font does not have a fullname
// property, and so the key is obtained from the font.
// Set the key in both cases. The check that AddFont
// succeeded is required for the second case.
if (!entry->mKey && added) {
entry->mKey = fullname;
}
}
++v;
}
// Fontconfig does not provide a fullname property for all fonts.
if (v == 0) {
nsAutoCString name;
if (!GetFullnameFromFamilyAndStyle(font, &name))
continue;
FontsByFullnameEntry *entry =
mFontsByFullname.PutEntry(ToFcChar8(name));
if (entry) {
entry->AddFont(font);
// Either entry->mKey has been set for a previous font or it
// remains nullptr to indicate that the key is obtained from
// the first font.
}
}
}
}
}
