notepixmapfactory.cpp

LINUX下的混音软件

            m_p->drawArc
            (x, y + i - tieCurve, tieCurve*2, tieCurve*2, 200*16, 70*16);

            m_p->drawLine
            (x + tieCurve, y + height - i - 1,
             x + length - tieCurve - 2, y + height - i - 1);

            m_p->drawArc
            (x + length - 2*tieCurve - 1, y + i - tieCurve,
             tieCurve*2, tieCurve*2, 270*16, 70*16);
        }
    }
#else

    int origLength = length;

    int x = m_left + m_noteBodyWidth + m_noteBodyWidth / 4 + shift;
    length = origLength - m_noteBodyWidth - m_noteBodyWidth / 3 - shift;

    // if the length is short, move the tie a bit closer to both notes
    if (length < m_noteBodyWidth*2) {
        x = m_left + m_noteBodyWidth + shift;
        length = origLength - m_noteBodyWidth - shift;
    }

    if (length < m_noteBodyWidth) {
        length = m_noteBodyWidth;
    }

    // We can't request a smooth slur here, because that always involves
    // creating a new pixmap

    QPoint hotspot;
    drawSlurAux(length, 0, above, false, true, false, hotspot,
                &m_p->painter(),
                x,
                above ? m_above : m_above + m_noteBodyHeight);
    //		above ? m_above - m_noteBodyHeight/2 :
    //		        m_above + m_noteBodyHeight + m_noteBodyHeight/2);

#endif
}

QCanvasPixmap*
NotePixmapFactory::makeRestPixmap(const NotePixmapParameters &params)
{
    Profiler profiler("NotePixmapFactory::makeRestPixmap");

    CharName charName(m_style->getRestCharName(params.m_noteType,
                      params.m_restOutsideStave));
    // Check whether the font has the glyph for this charName;
    // if not, substitute a rest-on-stave glyph for a rest-outside-stave glyph,
    // and vice-versa.
    NoteCharacter character;
    if (!getCharacter(charName, character, PlainColour, false))
        charName = m_style->getRestCharName(params.m_noteType,
                                            !params.m_restOutsideStave);

    bool encache = false;

    if (params.m_tupletCount == 0 && !m_selected && !m_shaded &&
            !params.m_restOutsideStave) {

        if (params.m_dots == 0) {
            return getCharacter(charName, PlainColour, false).getCanvasPixmap();
        } else {
            NotePixmapCache::iterator ci(m_dottedRestCache->find(charName));
            if (ci != m_dottedRestCache->end())
                return new QCanvasPixmap
                       (*ci->second, QPoint(ci->second->offsetX(),
                                            ci->second->offsetY()));
            else
                encache = true;
        }
    }

    QPoint hotspot(m_font->getHotspot(charName));
    drawRestAux(params, hotspot, 0, 0, 0);

    QCanvasPixmap* canvasMap = makeCanvasPixmap(hotspot);
    if (encache) {
        m_dottedRestCache->insert(std::pair<CharName, QCanvasPixmap*>
                                  (charName, new QCanvasPixmap
                                   (*canvasMap, hotspot)));
    }
    return canvasMap;
}

void
NotePixmapFactory::drawRest(const NotePixmapParameters &params,
                            QPainter &painter, int x, int y)
{
    Profiler profiler("NotePixmapFactory::drawRest");
    m_inPrinterMethod = true;
    QPoint hotspot; // unused
    drawRestAux(params, hotspot, &painter, x, y);
    m_inPrinterMethod = false;
}

void
NotePixmapFactory::drawRestAux(const NotePixmapParameters &params,
                               QPoint &hotspot, QPainter *painter, int x, int y)
{
    CharName charName(m_style->getRestCharName(params.m_noteType,
                      params.m_restOutsideStave));
    NoteCharacter character = getCharacter(charName,
                                           params.m_quantized ? QuantizedColour :
                                           PlainColour,
                                           false);

    NoteCharacter dot = getCharacter(NoteCharacterNames::DOT, PlainColour, false);

    int dotWidth = dot.getWidth();
    if (dotWidth < getNoteBodyWidth() / 2)
        dotWidth = getNoteBodyWidth() / 2;

    m_above = m_left = 0;
    m_below = dot.getHeight() / 2; // for dotted shallow rests like semibreve
    m_right = dotWidth / 2 + dotWidth * params.m_dots;
    m_noteBodyWidth = character.getWidth();
    m_noteBodyHeight = character.getHeight();

    if (params.m_tupletCount)
        makeRoomForTuplingLine(params);

    // we'll adjust this for tupling line after drawing rest character:
    hotspot = m_font->getHotspot(charName);

    if (params.m_restOutsideStave &&
            (charName == NoteCharacterNames::MULTI_REST ||
             charName == NoteCharacterNames::MULTI_REST_ON_STAFF)) {
        makeRoomForLegerLines(params);
    }
    if (painter) {
        painter->save();
        m_p->beginExternal(painter);
        painter->translate(x - m_left, y - m_above - hotspot.y());
    } else {
        createPixmapAndMask(m_noteBodyWidth + m_left + m_right,
                            m_noteBodyHeight + m_above + m_below);
    }

    m_p->drawNoteCharacter(m_left, m_above, character);

    if (params.m_tupletCount)
        drawTuplingLine(params);

    hotspot.setX(m_left);
    hotspot.setY(m_above + hotspot.y());

    int restY = hotspot.y() - dot.getHeight() - getStaffLineThickness();
    if (params.m_noteType == Note::Semibreve ||
            params.m_noteType == Note::Breve) {
        restY += getLineSpacing();
    }

    for (int i = 0; i < params.m_dots; ++i) {
        int x = m_left + m_noteBodyWidth + i * dotWidth + dotWidth / 2;
        m_p->drawNoteCharacter(x, restY, dot);
    }

    if (params.m_restOutsideStave &&
            (charName == NoteCharacterNames::MULTI_REST ||
             charName == NoteCharacterNames::MULTI_REST_ON_STAFF)) {
        drawLegerLines(params);
    }

    if (painter) {
        painter->restore();
    }
}

QCanvasPixmap*
NotePixmapFactory::makeClefPixmap(const Clef &clef)
{
    Profiler profiler("NotePixmapFactory::makeClefPixmap");
    NoteCharacter plain = getCharacter(m_style->getClefCharName(clef),
                                       PlainColour, false);

    int oct = clef.getOctaveOffset();
    if (oct == 0)
        return plain.getCanvasPixmap();

    QFont defaultOctaveFont(defaultSerifFontFamily);
    KConfig* config = kapp->config();
    config->setGroup(NotationViewConfigGroup);
    QFont octaveFont = config->readFontEntry("textfont", &defaultOctaveFont);
    octaveFont.setPixelSize(getLineSpacing() * 3 / 2);
    QFontMetrics octaveFontMetrics(octaveFont);

    // fix #1522784 and use 15 rather than 16 for double octave offset
    int adjustedOctave = (8 * (oct < 0 ? -oct : oct));
    if (adjustedOctave > 8)
        adjustedOctave--;
    else if (adjustedOctave < 8)
        adjustedOctave++;

    QString text = QString("%1").arg(adjustedOctave);
    QRect rect = octaveFontMetrics.boundingRect(text);

    createPixmapAndMask(plain.getWidth(),
                        plain.getHeight() + rect.height());

    if (m_selected) {
        m_p->painter().setPen(GUIPalette::getColour(GUIPalette::SelectedElement));
    }

    m_p->drawNoteCharacter(0, oct < 0 ? 0 : rect.height(), plain);

    m_p->painter().setFont(octaveFont);
    if (!m_inPrinterMethod)
        m_p->maskPainter().setFont(octaveFont);

    m_p->drawText(plain.getWidth() / 2 - rect.width() / 2,
                  oct < 0 ? plain.getHeight() + rect.height() - 1 :
                  rect.height(), text);

    m_p->painter().setPen(Qt::black);
    QPoint hotspot(plain.getHotspot());
    if (oct > 0)
        hotspot.setY(hotspot.y() + rect.height());
    return makeCanvasPixmap(hotspot);
}

QCanvasPixmap*
NotePixmapFactory::makePedalDownPixmap()
{
    return getCharacter(NoteCharacterNames::PEDAL_MARK, PlainColour, false)
           .getCanvasPixmap();
}

QCanvasPixmap*
NotePixmapFactory::makePedalUpPixmap()
{
    return getCharacter(NoteCharacterNames::PEDAL_UP_MARK, PlainColour, false)
           .getCanvasPixmap();
}

QCanvasPixmap*
NotePixmapFactory::makeUnknownPixmap()
{
    Profiler profiler("NotePixmapFactory::makeUnknownPixmap");
    return getCharacter(NoteCharacterNames::UNKNOWN, PlainColour, false)
           .getCanvasPixmap();
}

QCanvasPixmap*
NotePixmapFactory::makeToolbarPixmap(const char *name, bool menuSize)
{
    QString pixmapDir = KGlobal::dirs()->findResource("appdata", "pixmaps/");
    QString fileBase = pixmapDir + "/toolbar/";
    if (menuSize) fileBase += "menu-";
    fileBase += name;
    if (QFile(fileBase + ".png").exists()) {
        return new QCanvasPixmap(fileBase + ".png");
    } else if (QFile(fileBase + ".xpm").exists()) {
        return new QCanvasPixmap(fileBase + ".xpm");
    } else if (menuSize) {
        return makeToolbarPixmap(name, false);
    } else {
        // this will fail, but we don't want to return a null pointer
        return new QCanvasPixmap(fileBase + ".png");
    }
}

QCanvasPixmap*
NotePixmapFactory::makeNoteMenuPixmap(timeT duration,
                                      timeT &errorReturn)
{
    Note nearestNote = Note::getNearestNote(duration);
    bool triplet = false;
    errorReturn = 0;

    if (nearestNote.getDuration() != duration) {
        Note tripletNote = Note::getNearestNote(duration * 3 / 2);
        if (tripletNote.getDuration() == duration * 3 / 2) {
            nearestNote = tripletNote;
            triplet = true;
        } else {
            errorReturn = duration - nearestNote.getDuration();
        }
    }

    QString noteName = NotationStrings::getReferenceName(nearestNote);
    if (triplet)
        noteName = "3-" + noteName;
    noteName = "menu-" + noteName;
    return makeToolbarPixmap(noteName);
}

QCanvasPixmap *
NotePixmapFactory::makeMarkMenuPixmap(Mark mark)
{
    if (mark == Marks::Sforzando ||
            mark == Marks::Rinforzando) {
        return makeToolbarPixmap(mark.c_str());
    } else {
        NoteFont *font = 0;
        try {
            font = NoteFontFactory::getFont
                   (NoteFontFactory::getDefaultFontName(), 6);
        } catch (Exception) {
            font = NoteFontFactory::getFont
                   (NoteFontFactory::getDefaultFontName(),
                    NoteFontFactory::getDefaultSize(NoteFontFactory::getDefaultFontName()));
        }
        NoteCharacter character = font->getCharacter
                                  (NoteStyleFactory::getStyle(NoteStyleFactory::DefaultStyle)->
                                   getMarkCharName(mark));
        return character.getCanvasPixmap();
    }
}

QCanvasPixmap*
NotePixmapFactory::makeKeyPixmap(const Key &key,
                                 const Clef &clef,
                                 Key previousKey)
{
    Profiler profiler("NotePixmapFactory::makeKeyPixmap");

    std::vector<int> ah0 = previousKey.getAccidentalHeights(clef);
    std::vector<int> ah1 = key.getAccidentalHeights(clef);

    int cancelCount = 0;
    if (key.isSharp() != previousKey.isSharp())
        cancelCount = ah0.size();
    else if (ah1.size() < ah0.size())
        cancelCount = ah0.size() - ah1.size();

    CharName keyCharName;
    if (key.isSharp())
        keyCharName = NoteCharacterNames::SHARP;
    else
        keyCharName = NoteCharacterNames::FLAT;

    NoteCharacter keyCharacter;
    NoteCharacter cancelCharacter;

    keyCharacter = getCharacter(keyCharName, PlainColour, false);
    if (cancelCount > 0) {
        cancelCharacter = getCharacter(NoteCharacterNames::NATURAL, PlainColour, false);
    }

    int x = 0;
    int lw = getLineSpacing();
    int keyDelta = keyCharacter.getWidth() - keyCharacter.getHotspot().x();

    int cancelDelta = 0;
    int between = 0;
    if (cancelCount > 0) {
        cancelDelta = cancelCharacter.getWidth() + cancelCharacter.getWidth() / 3;
        between = cancelCharacter.getWidth();
    }

    createPixmapAndMask(keyDelta * ah1.size() + cancelDelta * cancelCount + between +
                        keyCharacter.getWidth() / 4, lw * 8 + 1);

    if (key.isSharp() != previousKey.isSharp()) {

        // cancellation first

        for (int i = 0; i < cancelCount; ++i) {

            int h = ah0[ah0.size() - cancelCount + i];
            int y = (lw * 2) + ((8 - h) * lw) / 2 - cancelCharacter.getHotspot().y();

            m_p->drawNoteCharacter(x, y, cancelCharacter);

            x += cancelDelta;
        }

        if (cancelCount > 0) {
            x += between;
        }
    }

    for (unsigned int i = 0; i < ah1.size(); ++i) {

        int h = ah1[i];
        int y = (lw * 2) + ((8 - h) * lw) / 2 - keyCharacter.getHotspot().y();

        m_p->drawNoteCharacter(x, y, keyCharacter);

        x += keyDelta;
    }

    if (key.isSharp() == previousKey.isSharp()) {

        // cancellation afterwards

        if (cancelCount > 0) {
            x += between;
        }

        for (int i = 0; i < cancelCount; ++i) {

            int h = ah0[ah0.size() - cancelCount + i];
            int y = (lw * 2) + ((8 - h) * lw) / 2 - cancelCharacter.getHotspot().y();

            m_p->drawNoteCharacter(x, y, cancelCharacter);

            x += cancelDelta;
        }
    }

    return makeCanvasPixmap(m_pointZero);
}

QCanvasPixmap*
NotePixmapFactory::makeClefDisplayPixmap(const Clef &clef)
{
    QCanvasPixmap* clefPixmap = makeClefPixmap(clef);