Пример #1
0
void TtfFontList::LoadAll() {
    if(loaded) return;

    for(const std::string &font : GetFontFiles()) {
        TtfFont tf = {};
        tf.fontFile = font;
        if(tf.LoadFromFile(fontLibrary))
            l.Add(&tf);
    }

    // Sort fonts according to their actual name, not filename.
    std::sort(&l.elem[0], &l.elem[l.n],
        [](const TtfFont &a, const TtfFont &b) { return a.name < b.name; });

    // Filter out fonts with the same family and style name. This is not
    // strictly necessarily the exact same font, but it will almost always be.
    TtfFont *it = std::unique(&l.elem[0], &l.elem[l.n],
        [](const TtfFont &a, const TtfFont &b) { return a.name == b.name; });
    l.RemoveLast(&l.elem[l.n] - it);

    // TODO: identify fonts by their name and not filename, which may change
    // between OSes.

    loaded = true;
}
Пример #2
0
void TtfFontList::PlotString(const std::string &font, const std::string &str,
                             SBezierList *sbl, Vector origin, Vector u, Vector v)
{
    LoadAll();

    TtfFont *tf = std::find_if(&l.elem[0], &l.elem[l.n],
        [&](const TtfFont &tf) { return tf.FontFileBaseName() == font; });

    if(!str.empty() && tf != &l.elem[l.n]) {
        tf->LoadFromFile(fontLibrary, /*nameOnly=*/false);
        tf->PlotString(str, sbl, origin, u, v);
    } else {
        // No text or no font; so draw a big X for an error marker.
        SBezier sb;
        sb = SBezier::From(origin, origin.Plus(u).Plus(v));
        sbl->l.Add(&sb);
        sb = SBezier::From(origin.Plus(v), origin.Plus(u));
        sbl->l.Add(&sb);
    }
}