notefont.cpp

LINUX下的混音软件

        int charBase = 0;
        SystemFont *systemFont =
            m_fontMap.getSystemFont(m_size, charName, charBase);

        if (!systemFont) {
            if (!inverted && m_fontMap.hasInversion(m_size, charName)) {
                if (!getPixmap(charName, pixmap, !inverted))
                    return false;
                found = new QPixmap(PixmapFunctions::flipVertical(pixmap));
                add(charName, inverted, found);
                pixmap = *found;
                return true;
            }

            std::cerr << "NoteFont::getPixmap: Warning: No system font for character \""
            << charName << "\"" << (inverted ? " (inverted)" : "")
            << " in font \"" << m_fontMap.getName() << "\"" << std::endl;

            add(charName, inverted, 0);
            pixmap = *m_blankPixmap;
            return false;
        }

        SystemFont::Strategy strategy =
            m_fontMap.getStrategy(m_size, charName);

        bool success;
        found = new QPixmap(systemFont->renderChar(charName,
                            glyph,
                            code + charBase,
                            strategy,
                            success));

        if (success) {
            add(charName, inverted, found);
            pixmap = *found;
            return true;
        } else {
            add(charName, inverted, 0);
            pixmap = *m_blankPixmap;
            return false;
        }
    }

    add(charName, inverted, 0);
    pixmap = *m_blankPixmap;
    return false;
}

bool
NoteFont::getColouredPixmap(CharName baseCharName, QPixmap &pixmap,
                            int hue, int minValue, bool inverted) const
{
    CharName charName(getNameWithColour(baseCharName, hue));

    QPixmap *found = 0;
    bool ok = lookup(charName, inverted, found);
    if (ok) {
        if (found) {
            pixmap = *found;
            return true;
        } else {
            pixmap = *m_blankPixmap;
            return false;
        }
    }

    QPixmap basePixmap;
    ok = getPixmap(baseCharName, basePixmap, inverted);

    if (!ok) {
        add(charName, inverted, 0);
        pixmap = *m_blankPixmap;
        return false;
    }

    found = new QPixmap
            (PixmapFunctions::colourPixmap(basePixmap, hue, minValue));
    add(charName, inverted, found);
    pixmap = *found;
    return ok;
}

bool
NoteFont::getShadedPixmap(CharName baseCharName, QPixmap &pixmap,
                          bool inverted) const
{
    CharName charName(getNameShaded(baseCharName));

    QPixmap *found = 0;
    bool ok = lookup(charName, inverted, found);
    if (ok) {
        if (found) {
            pixmap = *found;
            return true;
        } else {
            pixmap = *m_blankPixmap;
            return false;
        }
    }

    QPixmap basePixmap;
    ok = getPixmap(baseCharName, basePixmap, inverted);

    if (!ok) {
        add(charName, inverted, 0);
        pixmap = *m_blankPixmap;
        return false;
    }

    found = new QPixmap(PixmapFunctions::shadePixmap(basePixmap));
    add(charName, inverted, found);
    pixmap = *found;
    return ok;
}

CharName
NoteFont::getNameWithColour(CharName base, int hue) const
{
    return qstrtostr(QString("%1__%2").arg(hue).arg(strtoqstr(base)));
}

CharName
NoteFont::getNameShaded(CharName base) const
{
    return qstrtostr(QString("shaded__%1").arg(strtoqstr(base)));
}

bool
NoteFont::getDimensions(CharName charName, int &x, int &y, bool inverted) const
{
    QPixmap pixmap;
    bool ok = getPixmap(charName, pixmap, inverted);
    x = pixmap.width();
    y = pixmap.height();
    return ok;
}

int
NoteFont::getWidth(CharName charName) const
{
    int x, y;
    getDimensions(charName, x, y);
    return x;
}

int
NoteFont::getHeight(CharName charName) const
{
    int x, y;
    getDimensions(charName, x, y);
    return y;
}

bool
NoteFont::getHotspot(CharName charName, int &x, int &y, bool inverted) const
{
    int w, h;
    getDimensions(charName, w, h, inverted);
    bool ok = m_fontMap.getHotspot(m_size, charName, w, h, x, y);

    if (!ok) {
        x = 0;
        y = h / 2;
    }

    if (inverted) {
        y = h - y;
    }

    return ok;
}

QPoint
NoteFont::getHotspot(CharName charName, bool inverted) const
{
    int x, y;
    (void)getHotspot(charName, x, y, inverted);
    return QPoint(x, y);
}

bool
NoteFont::getCharacter(CharName charName,
                       NoteCharacter &character,
                       CharacterType type,
                       bool inverted)
{
    QPixmap pixmap;
    if (!getPixmap(charName, pixmap, inverted))
        return false;

    if (type == Screen) {
        character = NoteCharacter(pixmap,
                                  getHotspot(charName, inverted),
                                  0);
    } else {

        // Get the pointer direct from cache (depends on earlier call
        // to getPixmap to put it in the cache if available)

        QPixmap *pmapptr = 0;
        bool found = lookup(charName, inverted, pmapptr);

        NoteCharacterDrawRep *rep = 0;
        if (found && pmapptr)
            rep = lookupDrawRep(pmapptr);

        character = NoteCharacter(pixmap,
                                  getHotspot(charName, inverted),
                                  rep);
    }

    return true;
}

NoteCharacter
NoteFont::getCharacter(CharName charName,
                       CharacterType type,
                       bool inverted)
{
    NoteCharacter character;
    getCharacter(charName, character, type, inverted);
    return character;
}

bool
NoteFont::getCharacterColoured(CharName charName,
                               int hue, int minValue,
                               NoteCharacter &character,
                               CharacterType type,
                               bool inverted)
{
    QPixmap pixmap;
    if (!getColouredPixmap(charName, pixmap, hue, minValue, inverted)) {
        return false;
    }

    if (type == Screen) {

        character = NoteCharacter(pixmap,
                                  getHotspot(charName, inverted),
                                  0);

    } else {

        // Get the pointer direct from cache (depends on earlier call
        // to getPixmap to put it in the cache if available)

        QPixmap *pmapptr = 0;
        CharName cCharName(getNameWithColour(charName, hue));
        bool found = lookup(cCharName, inverted, pmapptr);

        NoteCharacterDrawRep *rep = 0;
        if (found && pmapptr)
            rep = lookupDrawRep(pmapptr);

        character = NoteCharacter(pixmap,
                                  getHotspot(charName, inverted),
                                  rep);
    }

    return true;
}

NoteCharacter
NoteFont::getCharacterColoured(CharName charName,
                               int hue, int minValue,
                               CharacterType type,
                               bool inverted)
{
    NoteCharacter character;
    getCharacterColoured(charName, hue, minValue, character, type, inverted);
    return character;
}

bool
NoteFont::getCharacterShaded(CharName charName,
                             NoteCharacter &character,
                             CharacterType type,
                             bool inverted)
{
    QPixmap pixmap;
    if (!getShadedPixmap(charName, pixmap, inverted)) {
        return false;
    }

    if (type == Screen) {

        character = NoteCharacter(pixmap,
                                  getHotspot(charName, inverted),
                                  0);

    } else {

        // Get the pointer direct from cache (depends on earlier call
        // to getPixmap to put it in the cache if available)

        QPixmap *pmapptr = 0;
        CharName cCharName(getNameShaded(charName));
        bool found = lookup(cCharName, inverted, pmapptr);

        NoteCharacterDrawRep *rep = 0;
        if (found && pmapptr)
            rep = lookupDrawRep(pmapptr);

        character = NoteCharacter(pixmap,
                                  getHotspot(charName, inverted),
                                  rep);
    }

    return true;
}

NoteCharacter
NoteFont::getCharacterShaded(CharName charName,
                             CharacterType type,
                             bool inverted)
{
    NoteCharacter character;
    getCharacterShaded(charName, character, type, inverted);
    return character;
}

}