notationhlayout.cpp

LINUX下的混音软件

            for (BarDataMap::iterator i = m_barData.begin();
                    i != m_barData.end(); ++i) {

                BarDataList &list = i->second;
                BarDataList::iterator bdli = list.find(barNo);
                if (bdli != list.end()) {
                    BarData::SizeData &bd(bdli->second.sizeData);
                    double diff = maxWidth - bd.reconciledWidth;
                    if (diff < -0.1 || diff > 0.1) {
                        bdli->second.layoutData.needsLayout = true;
                    }
                    bd.reconciledWidth = maxWidth;
                }
            }

            pageWidthSoFar += maxWidth;
        }
    }

    m_barPositions[barNo] = m_totalWidth;
}

void
NotationHLayout::finishLayout(timeT startTime, timeT endTime)
{
    Profiler profiler("NotationHLayout::finishLayout");
    m_barPositions.clear();

    bool isFullLayout = (startTime == endTime);
    if (m_pageMode && (m_pageWidth > 0.1))
        reconcileBarsPage();
    else
        reconcileBarsLinear();

    int staffNo = 0;

    for (BarDataMap::iterator i(m_barData.begin());
            i != m_barData.end(); ++i) {

        emit setProgress(100 * staffNo / m_barData.size());
        ProgressDialog::processEvents();

        throwIfCancelled();

        timeT timeCovered = endTime - startTime;

        if (isFullLayout) {
            NotationElementList *notes = i->first->getViewElementList();
            if (notes->begin() != notes->end()) {
                NotationElementList::iterator j(notes->end());
                timeCovered =
                    (*--j)->getViewAbsoluteTime() -
                    (*notes->begin())->getViewAbsoluteTime();
            }
        }

        m_timePerProgressIncrement = timeCovered / (100 / m_barData.size());

        layout(i, startTime, endTime);
        ++staffNo;
    }
}

void
NotationHLayout::layout(BarDataMap::iterator i, timeT startTime, timeT endTime)
{
    Profiler profiler("NotationHLayout::layout");

    Staff &staff = *(i->first);
    NotationElementList *notes = staff.getViewElementList();
    BarDataList &barList(getBarData(staff));
    NotationStaff &notationStaff = dynamic_cast<NotationStaff &>(staff);

    bool isFullLayout = (startTime == endTime);

    // these two are for partial layouts:
    //    bool haveSimpleOffset = false;
    //    double simpleOffset = 0;

    NOTATION_DEBUG << "NotationHLayout::layout: full layout " << isFullLayout << ", times " << startTime << "->" << endTime << endl;

    double x = 0, barX = 0;
    TieMap tieMap;

    timeT lastIncrement =
        (isFullLayout && (notes->begin() != notes->end())) ?
        (*notes->begin())->getViewAbsoluteTime() : startTime;

    ::Rosegarden::Key key = notationStaff.getSegment().getKeyAtTime(lastIncrement);
    Clef clef = notationStaff.getSegment().getClefAtTime(lastIncrement);
    TimeSignature timeSignature;

    int startBar = getComposition()->getBarNumber(startTime);

    KConfig *config = kapp->config();
    config->setGroup("Notation Options");
    bool showInvisibles = config->readBoolEntry("showinvisibles", true);

    for (BarPositionList::iterator bpi = m_barPositions.begin();
            bpi != m_barPositions.end(); ++bpi) {

        int barNo = bpi->first;
        if (!isFullLayout && barNo < startBar)
            continue;

        NOTATION_DEBUG << "NotationHLayout::looking for bar "
        << bpi->first << endl;
        BarDataList::iterator bdi = barList.find(barNo);
        if (bdi == barList.end())
            continue;
        barX = bpi->second;

        NotationElementList::iterator from = bdi->second.basicData.start;
        NotationElementList::iterator to;

        NOTATION_DEBUG << "NotationHLayout::layout(): starting bar " << barNo << ", x = " << barX << ", width = " << bdi->second.sizeData.idealWidth << ", time = " << (from == notes->end() ? -1 : (*from)->getViewAbsoluteTime()) << endl;

        BarDataList::iterator nbdi(bdi);
        if (++nbdi == barList.end()) {
            to = notes->end();
        } else {
            to = nbdi->second.basicData.start;
        }

        if (from == notes->end()) {
            NOTATION_DEBUG << "Start is end" << endl;
        }
        if (from == to) {
            NOTATION_DEBUG << "Start is to" << endl;
        }

        if (!bdi->second.layoutData.needsLayout) {

            double offset = barX - bdi->second.layoutData.x;

            NOTATION_DEBUG << "NotationHLayout::layout(): bar " << barNo << " has needsLayout false and offset of " << offset << endl;

            if (offset > -0.1 && offset < 0.1) {
                NOTATION_DEBUG << "NotationHLayout::layout(): no offset, ignoring" << endl;
                continue;
            }

            bdi->second.layoutData.x += offset;

            if (bdi->second.basicData.newTimeSig)
                bdi->second.layoutData.timeSigX += (int)offset;

            for (NotationElementList::iterator it = from;
                    it != to && it != notes->end(); ++it) {

                NotationElement* nel = static_cast<NotationElement*>(*it);
                NOTATION_DEBUG << "NotationHLayout::layout(): shifting element's x to " << ((*it)->getLayoutX() + offset) << " (was " << (*it)->getLayoutX() << ")" << endl;
                nel->setLayoutX((*it)->getLayoutX() + offset);
                double airX, airWidth;
                nel->getLayoutAirspace(airX, airWidth);
                nel->setLayoutAirspace(airX + offset, airWidth);
            }

            continue;
        }

        bdi->second.layoutData.x = barX;
        //	x = barX + getPostBarMargin();

        bool timeSigToPlace = false;
        if (bdi->second.basicData.newTimeSig) {
            timeSignature = bdi->second.basicData.timeSignature;
            timeSigToPlace = !bdi->second.basicData.timeSignature.isHidden();
        }
        if (timeSigToPlace) {
            NOTATION_DEBUG << "NotationHLayout::layout(): there's a time sig in this bar" << endl;
        }

        bool repeatClefAndKey = false;
        if (bdi->second.sizeData.clefKeyWidth > 0) {
            repeatClefAndKey = true;
        }
        if (repeatClefAndKey) {
            NOTATION_DEBUG << "NotationHLayout::layout(): need to repeat clef & key in this bar" << endl;
        }

        double barInset = notationStaff.getBarInset(barNo, repeatClefAndKey);

        NotationElement *lastDynamicText = 0;
        int fretboardCount = 0;
        int count = 0;

        double offset = 0.0;
        double reconciledWidth = bdi->second.sizeData.reconciledWidth;

        if (repeatClefAndKey) {
            offset = bdi->second.sizeData.clefKeyWidth;
            reconciledWidth -= offset;
        }

        if (bdi->second.basicData.newTimeSig ||
                !bdi->second.basicData.timeSignature.hasHiddenBars()) {
            offset += getPostBarMargin();
        }

        ChunkList &chunks = bdi->second.chunks;
        ChunkList::iterator chunkitr = chunks.begin();
        double reconcileRatio = 1.0;
        if (bdi->second.sizeData.idealWidth > 0.0) {
            reconcileRatio = reconciledWidth / bdi->second.sizeData.idealWidth;
        }

        NOTATION_DEBUG << "have " << chunks.size() << " chunks, reconciledWidth " << bdi->second.sizeData.reconciledWidth << ", idealWidth " << bdi->second.sizeData.idealWidth << ", ratio " << reconcileRatio << endl;

        double delta = 0;

        for (NotationElementList::iterator it = from; it != to; ++it) {

            NotationElement *el = static_cast<NotationElement*>(*it);
            delta = 0;
            float fixed = 0;

            if (el->event()->isa(Note::EventType)) {
                long pitch = 0;
                el->event()->get<Int>(PITCH, pitch);
                NOTATION_DEBUG << "element is a " << el->event()->getType() << " (pitch " << pitch << ")" << endl;
            } else {
                NOTATION_DEBUG << "element is a " << el->event()->getType() << endl;
            }

            bool invisible = false;
            if (el->event()->get<Bool>(INVISIBLE, invisible) && invisible) {
                if (!showInvisibles)
                    continue;
            }

            if (chunkitr != chunks.end()) {
                NOTATION_DEBUG << "new chunk: addr " << &(*chunkitr) << " duration=" << (*chunkitr).duration << " subordering=" << (*chunkitr).subordering << " fixed=" << (*chunkitr).fixed << " stretchy=" << (*chunkitr).stretchy << " x=" << (*chunkitr).x << endl;
                x = barX + offset + reconcileRatio * (*chunkitr).x;
                fixed = (*chunkitr)
                            .fixed;
                NOTATION_DEBUG << "adjusted x is " << x << endl;
                ChunkList::iterator chunkscooter(chunkitr);
                if (++chunkscooter != chunks.end()) {
                    delta = (*chunkscooter).x - (*chunkitr).x;
                } else {
                    delta = reconciledWidth -
                            bdi->second.sizeData.fixedWidth - (*chunkitr).x;
                }
                delta *= reconcileRatio;
                ++chunkitr;
            } else {
                x = barX + reconciledWidth - getPreBarMargin();
                delta = 0;
            }

            if (timeSigToPlace &&
                    !el->event()->isa(Clef::EventType) &&
                    !el->event()->isa(::Rosegarden::Key::EventType)) {
                NOTATION_DEBUG << "Placing timesig at " << x << endl;
                bdi->second.layoutData.timeSigX = (int)(x - fixed )
                                                      ;
                double shift = getFixedItemSpacing() +
                               m_npf->getTimeSigWidth(timeSignature);
                offset += shift;
                x += shift;
                NOTATION_DEBUG << "and moving next elt to " << x << endl;
                timeSigToPlace = false;
            }

            if (barInset >= 1.0) {
                if (el->event()->isa(Clef::EventType) ||
                        el->event()->isa(::Rosegarden::Key::EventType)) {
                    NOTATION_DEBUG << "Pulling clef/key back by " << getPreBarMargin() << endl;
                    x -= getPostBarMargin() * 2 / 3;
                } else {
                    barInset = 0.0;
                }
            }

            NOTATION_DEBUG << "NotationHLayout::layout(): setting element's x to " << x << " (was " << el->getLayoutX() << ")" << endl;

            double displacedX = 0.0;
            long dxRaw = 0;
            el->event()->get<Int>(DISPLACED_X, dxRaw);
            displacedX = double(dxRaw * m_npf->getNoteBodyWidth()) / 1000.0;

            el->setLayoutX(x + displacedX);
            el->setLayoutAirspace(x, int(delta));

            // #704958 (multiple tuplet spanners created when entering
            // triplet chord) -- only do this here for non-notes,
            // notes get it from positionChord
            if (!el->isNote()) {
                sampleGroupElement(staff, clef, key, it);
            }

            if (el->isNote()) {

                // This modifies "it" and "tieMap"
                positionChord(staff, it, clef, key, tieMap, to);

            } else if (el->isRest()) {

                // nothing to do

            } else if (el->event()->isa(Clef::EventType)) {

                clef = Clef(*el->event());

            } else if (el->event()->isa(::Rosegarden::Key::EventType)) {

                key = ::Rosegarden::Key(*el->event());

            } else if (el->event()->isa(Text::EventType)) {

                // if it's a dynamic, make a note of it in case a
                // hairpin immediately follows it

                if (el->event()->has(Text::TextTypePropertyName) &&
                        el->event()->get<String>(Text::TextTypePropertyName) ==
                        Text::Dynamic) {
                    lastDynamicText = el;
                }

            } else if (el->event()->isa(Indication::EventType)) {

                std::string type;
                double ix = x;

                // Check for a dynamic text at the same time as the
                // indication and if found, move the indication to the
                // right to make room.  We know the text should have
                // preceded the indication in the staff because it has
                // a smaller subordering

                if (el->event()->get<String>
                        (Indication::IndicationTypePropertyName, type) &&
                        (type == Indication::Crescendo ||
                         type == Indication::Decrescendo) &&
                        lastDynamicText &&
                        lastDynamicText->getViewAbsoluteTime() ==
                        el->getViewAbsoluteTime()) {

                    ix = x + m_npf->getTextWidth
                         (Text(*lastDynamicText->event())) +
                         m_npf->getNoteBodyWidth() / 4;
                }

                el->setLayoutX(ix + displacedX);
                el->setLayoutAirspace(ix, delta - (ix - x));

            } else if (el->event()->isa(Guitar::Chord::EventType)) {

                int guitarChordWidth = m_npf->getLineSpacing() * 6;
                el->setLayoutX(x - (guitarChordWidth / 2)
                               + fretboardCount * (guitarChordWidth +
                                                   m_npf->getNoteBodyWidth()/2)
                               + displacedX);
                ++fretboardCount;

            } else {

                // nothing else
            }

            if (m_timePerProgressIncrement > 0 && (++count == 100)) {
                count = 0;
                timeT sinceIncrement = el->getViewAbsoluteTime() - lastIncrement;
                if (sinceIncrement > m_timePerProgressIncrement) {
                    emit incrementProgress
                    (sinceIncrement / m_timePerProgressIncrement);
                    lastIncrement +=
                        (sinceIncrement / m_timePerProgressIncrement)
                        * m_timePerProgressIncrement;
                    throwIfCancelled();
                }
            }
        }

        if (timeSigToPlace) {
            // no other events in this bar, so we never managed to place it
            x = barX + offset;
            NOTATION_DEBUG << "Placing timesig reluctantly at " << x << endl;
            bdi->second.layoutData.timeSigX = (int)(x);
            timeSigToPlace = false;
        }