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.
            }
        }
    }
}
Пример #2
0
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.
                }
            }
        }
    }
}