2504 lines
88 KiB
C++
2504 lines
88 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2012 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#include "beam.h"
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#include "segment.h"
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#include "score.h"
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#include "chord.h"
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#include "sig.h"
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#include "style.h"
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#include "note.h"
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#include "tuplet.h"
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#include "system.h"
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#include "tremolo.h"
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#include "measure.h"
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#include "undo.h"
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#include "staff.h"
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#include "stafftype.h"
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#include "stem.h"
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#include "hook.h"
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#include "mscore.h"
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#include "icon.h"
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#include "stemslash.h"
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#include "groups.h"
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#include "xml.h"
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namespace Ms {
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//---------------------------------------------------------
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// BeamFragment
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// position of primary beam
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// idx 0 - Direction::AUTO or Direction::DOWN
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// 1 - Direction::UP
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//---------------------------------------------------------
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struct BeamFragment {
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qreal py1[2];
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qreal py2[2];
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};
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//---------------------------------------------------------
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// Beam
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//---------------------------------------------------------
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Beam::Beam(Score* s)
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: Element(s)
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{
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setFlags(ElementFlag::SELECTABLE);
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_direction = Direction::AUTO;
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_up = true;
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_distribute = false;
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_userModified[0] = false;
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_userModified[1] = false;
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_grow1 = 1.0;
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_grow2 = 1.0;
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editFragment = -1;
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_isGrace = false;
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_cross = false;
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_noSlope = score()->styleB(StyleIdx::beamNoSlope);
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noSlopeStyle = PropertyStyle::STYLED;
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}
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//---------------------------------------------------------
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// Beam
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//---------------------------------------------------------
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Beam::Beam(const Beam& b)
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: Element(b)
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{
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_elements = b._elements;
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_id = b._id;
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for (const QLineF* bs : b.beamSegments)
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beamSegments.append(new QLineF(*bs));
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_direction = b._direction;
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_up = b._up;
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_distribute = b._distribute;
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_userModified[0] = b._userModified[0];
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_userModified[1] = b._userModified[1];
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_grow1 = b._grow1;
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_grow2 = b._grow2;
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editFragment = b.editFragment;
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for (const BeamFragment* f : b.fragments)
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fragments.append(new BeamFragment(*f));
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minMove = b.minMove;
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maxMove = b.maxMove;
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_isGrace = b._isGrace;
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_cross = b._cross;
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maxDuration = b.maxDuration;
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slope = b.slope;
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_noSlope = b._noSlope;
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noSlopeStyle = b.noSlopeStyle;
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}
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//---------------------------------------------------------
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// Beam
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//---------------------------------------------------------
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Beam::~Beam()
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{
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//
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// delete all references from chords
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//
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for (ChordRest* cr : _elements)
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cr->setBeam(0);
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qDeleteAll(beamSegments);
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qDeleteAll(fragments);
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}
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//---------------------------------------------------------
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// pagePos
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//---------------------------------------------------------
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QPointF Beam::pagePos() const
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{
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System* s = system();
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if (s == 0)
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return pos();
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qreal yp = y() + s->staff(staffIdx())->y() + s->y();
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return QPointF(pageX(), yp);
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}
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//---------------------------------------------------------
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// canvasPos
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//---------------------------------------------------------
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QPointF Beam::canvasPos() const
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{
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QPointF p(pagePos());
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if (system() && system()->parent())
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p += system()->parent()->pos();
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return p;
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}
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//---------------------------------------------------------
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// add
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//---------------------------------------------------------
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void Beam::add(Element* e)
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{
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if (e->isChordRest())
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addChordRest(toChordRest(e));
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}
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//---------------------------------------------------------
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// remove
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//---------------------------------------------------------
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void Beam::remove(Element* e)
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{
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if (e->isChordRest())
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removeChordRest(toChordRest(e));
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}
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//---------------------------------------------------------
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// addChordRest
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//---------------------------------------------------------
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void Beam::addChordRest(ChordRest* a)
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{
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a->setBeam(this);
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if (!_elements.contains(a)) {
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//
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// insert element in same order as it appears
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// in the score
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//
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if (a->segment() && !_elements.empty()) {
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for (int i = 0; i < _elements.size(); ++i) {
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Segment* s = _elements[i]->segment();
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if ((s->tick() > a->segment()->tick())
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|| ((s->tick() == a->segment()->tick()) && (a->segment()->next(Segment::Type::ChordRest) == s))
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) {
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_elements.insert(i, a);
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return;
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}
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}
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}
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_elements.append(a);
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}
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}
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//---------------------------------------------------------
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// removeChordRest
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//---------------------------------------------------------
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void Beam::removeChordRest(ChordRest* a)
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{
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if (!_elements.removeOne(a))
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qDebug("Beam::remove(): cannot find ChordRest");
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a->setBeam(0);
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}
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//---------------------------------------------------------
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// draw
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//---------------------------------------------------------
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void Beam::draw(QPainter* painter) const
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{
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if (beamSegments.empty())
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return;
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painter->setBrush(QBrush(curColor()));
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painter->setPen(Qt::NoPen);
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qreal lw2 = score()->styleP(StyleIdx::beamWidth) * .5 * mag();
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// make beam thickness independent of slant
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// (expression can be simplified?)
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const QLineF* bs = beamSegments.front();
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double d = (qAbs(bs->y2() - bs->y1())) / (bs->x2() - bs->x1());
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if (beamSegments.size() > 1 && d > M_PI/6.0)
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d = M_PI/6.0;
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double ww = lw2 / sin(M_PI_2 - atan(d));
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for (const QLineF* bs : beamSegments) {
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painter->drawPolygon(
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QPolygonF({
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QPointF(bs->x1(), bs->y1() - ww),
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QPointF(bs->x2(), bs->y2() - ww),
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QPointF(bs->x2(), bs->y2() + ww),
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QPointF(bs->x1(), bs->y1() + ww),
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}),
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Qt::OddEvenFill);
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}
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}
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//---------------------------------------------------------
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// move
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//---------------------------------------------------------
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void Beam::move(const QPointF& offset)
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{
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Element::move(offset);
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for (QLineF* bs : beamSegments)
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bs->translate(offset);
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}
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//---------------------------------------------------------
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// twoBeamedNotes
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// calculate stem direction of two beamed notes
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// return true if two beamed notes found
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//---------------------------------------------------------
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bool Beam::twoBeamedNotes()
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{
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// if not two elements or elements are not chords or chords have more than 1 note, return failure
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if ((_elements.size() != 2)
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|| !_elements[0]->isChord()
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|| !_elements[1]->isChord()) {
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return false;
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}
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const Chord* c1 = toChord(_elements[0]);
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const Chord* c2 = toChord(_elements[1]);
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if (c1->notes().size() != 1 || c2->notes().size() != 1)
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return false;
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int upDnLimit = staff()->lines() - 1; // was '4' hard-coded in the next 2 lines
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int dist1 = c1->upLine() - upDnLimit;
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int dist2 = c2->upLine() - upDnLimit;
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if ((dist1 == -dist2) || (-dist1 == dist2)) {
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_up = false;
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Segment* s = c1->segment();
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s = s->prev1(Segment::Type::ChordRest);
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if (s) {
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Element* e = s->element(c1->track());
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if (e && e->isChord()) {
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Chord* c = toChord(e);
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if (c->beam())
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_up = c->beam()->up();
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}
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}
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}
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else if (qAbs(dist1) > qAbs(dist2))
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_up = dist1 > 0;
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else
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_up = dist2 > 0;
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return true;
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}
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//---------------------------------------------------------
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// layout1
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// - remove beam segments
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// - calculate stem direction and set chord
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//---------------------------------------------------------
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void Beam::layout1()
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{
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//delete old segments
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qDeleteAll(beamSegments);
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beamSegments.clear();
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maxDuration.setType(TDuration::DurationType::V_INVALID);
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Chord* c1 = 0;
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Chord* c2 = 0;
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// TAB's with stem beside staves have special layout
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if (staff()->isTabStaff() && !staff()->staffType()->stemThrough()) {
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//TABULATURES: all beams (and related chords) are:
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// UP or DOWN according to TAB duration position
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// slope 0
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_up = !staff()->staffType()->stemsDown();
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slope = 0.0;
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_cross = false;
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minMove = maxMove = 0; // no cross-beaming in TAB's!
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for (ChordRest* cr : _elements) {
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if (cr->isChord()) {
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// set members maxDuration, c1, c2
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if (!maxDuration.isValid() || (maxDuration < cr->durationType()))
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maxDuration = cr->durationType();
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c2 = toChord(cr);
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if (c1 == 0)
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c1 = c2;
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}
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}
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}
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else if (staff()->isDrumStaff()) {
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if (_direction != Direction::AUTO)
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_up = _direction == Direction::UP;
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else {
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for (ChordRest* cr :_elements) {
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if (cr->isChord()) {
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c2 = toChord(cr);
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_up = c2->up();
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break;
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}
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}
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}
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for (ChordRest* cr : _elements)
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cr->setUp(_up);
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}
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else {
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//PITCHED STAVES (and TAB's with stems through staves)
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minMove = 1000;
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maxMove = -1000;
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_isGrace = false;
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qreal mag = 0.0;
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int mUp = 0;
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int mDown = 0;
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int upDnLimit = staff()->lines() - 1; // was '4' hard-coded in following code
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int staffIdx = -1;
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for (ChordRest* cr : _elements) {
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qreal m = cr->small() ? score()->styleD(StyleIdx::smallNoteMag) : 1.0;
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mag = qMax(mag, m);
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if (cr->isChord()) {
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c2 = toChord(cr);
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staffIdx = c2->vStaffIdx();
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if (c1 == 0)
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c1 = c2;
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int i = c2->staffMove();
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if (i < minMove)
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minMove = i;
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if (i > maxMove)
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maxMove = i;
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int line = c2->upLine();
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if ((upDnLimit - line) > mUp)
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mUp = upDnLimit - line;
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line = c2->downLine();
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if (line - upDnLimit > mDown)
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mDown = line - upDnLimit;
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}
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if (!maxDuration.isValid() || (maxDuration < cr->durationType()))
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maxDuration = cr->durationType();
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}
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setMag(mag);
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//
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// determine beam stem direction
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//
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if (_direction != Direction::AUTO) {
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_up = _direction == Direction::UP;
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}
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else {
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if (maxMove > 0) // cross staff beaming down
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_up = true;
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else if (minMove < 0)
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_up = false;
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else if (c1) {
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Measure* m = c1->measure();
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if (c1->stemDirection() != Direction::AUTO)
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_up = c1->stemDirection() == Direction::UP;
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else if (m->hasVoices(c1->staffIdx()))
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_up = !(c1->voice() % 2);
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else if (!twoBeamedNotes()) {
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// highest or lowest note determines stem direction
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// interval higher is bigger -> downstem
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// interval lower is bigger -> upstem
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// down-stems is preferred if equal
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_up = mUp < mDown;
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}
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}
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else
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_up = true;
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}
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_cross = minMove < maxMove;
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if (minMove == 1 && maxMove == 1)
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setTrack(staffIdx * VOICES + voice());
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// int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
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slope = 0.0;
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// leave initial guess alone for moved chords within a beam that crosses staves
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// otherwise, assume beam direction is stem direction
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for (ChordRest* cr : _elements) {
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if (!cr->isChord())
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continue;
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Chord* chord = toChord(cr);
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if (!(_cross || chord->staffMove())) {
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if (chord->up() != _up) {
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chord->setUp(_up);
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chord->layoutStem1();
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}
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}
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}
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} // end of if/else(tablature)
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}
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//---------------------------------------------------------
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// layoutGraceNotes
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//---------------------------------------------------------
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void Beam::layoutGraceNotes()
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{
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//delete old segments
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qDeleteAll(beamSegments);
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beamSegments.clear();
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maxDuration.setType(TDuration::DurationType::V_INVALID);
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Chord* c1 = 0;
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Chord* c2 = 0;
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//PITCHED STAVES (and TAB's with stems through staves)
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minMove = 1000;
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maxMove = -1000;
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_isGrace = true;
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qreal graceMag = score()->styleD(StyleIdx::graceNoteMag);
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setMag(graceMag);
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for (ChordRest* cr : _elements) {
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c2 = static_cast<Chord*>(cr);
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if (c1 == 0)
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c1 = c2;
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int i = c2->staffMove();
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if (i < minMove)
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minMove = i;
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if (i > maxMove)
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maxMove = i;
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if (!maxDuration.isValid() || (maxDuration < cr->durationType()))
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maxDuration = cr->durationType();
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}
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//
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// determine beam stem direction
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//
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if (staff()->isTabStaff()) {
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//TABULATURES: all beams (and related chords) are:
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// UP or DOWN according to TAB duration position
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// slope 0
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_up = !staff()->staffType()->stemsDown();
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}
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else {
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if (_direction != Direction::AUTO)
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_up = _direction == Direction::UP;
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else {
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ChordRest* cr = _elements[0];
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Measure* m = cr->measure();
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if (m->hasVoices(cr->staffIdx()))
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_up = !(cr->voice() % 2);
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else
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_up = true;
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}
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}
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int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
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slope = 0.0;
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if (!_userModified[idx]) {
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for (ChordRest* cr : _elements) {
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cr->setUp(_up);
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if (cr->isChord())
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toChord(cr)->layoutStem1(); /* create stems needed to calculate horizontal spacing */
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}
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}
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void Beam::layout()
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{
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System* system = _elements.front()->measure()->system();
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setParent(system);
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std::vector<ChordRest*> crl;
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int n = 0;
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for (ChordRest* cr : _elements) {
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if (cr->measure()->system() != system) {
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SpannerSegmentType st;
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if (n == 0)
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st = SpannerSegmentType::BEGIN;
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else
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st = SpannerSegmentType::MIDDLE;
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++n;
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if (fragments.size() < n)
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fragments.append(new BeamFragment);
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layout2(crl, st, n-1);
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crl.clear();
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system = cr->measure()->system();
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}
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crl.push_back(cr);
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}
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setbbox(QRectF());
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if (!crl.empty()) {
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SpannerSegmentType st;
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if (n == 0)
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st = SpannerSegmentType::SINGLE;
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else
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st = SpannerSegmentType::END;
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if (fragments.size() < (n+1))
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fragments.append(new BeamFragment);
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layout2(crl, st, n);
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qreal lw2 = score()->styleP(StyleIdx::beamWidth) * .5 * mag();
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// ChordRest* cr = crl.front();
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// Shape& s = cr->segment()->shape(staffIdx());
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// QPointF offset = cr->pos() + cr->segment()->pos() + cr->segment()->measure()->pos();
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for (const QLineF* bs : beamSegments) {
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QPolygonF a(4);
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a[0] = QPointF(bs->x1(), bs->y1());
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a[1] = QPointF(bs->x2(), bs->y2());
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a[2] = QPointF(bs->x2(), bs->y2());
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a[3] = QPointF(bs->x1(), bs->y1());
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QRectF r(a.boundingRect().adjusted(0.0, -lw2, 0.0, lw2));
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//TODO s.add(r.translated(-offset));
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addbbox(r);
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}
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}
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}
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//---------------------------------------------------------
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// outline
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//---------------------------------------------------------
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|
|
QPainterPath Beam::outline() const
|
|
{
|
|
QPainterPath pp;
|
|
qreal lw2 = score()->styleP(StyleIdx::beamWidth) * .5 * mag();
|
|
for (const QLineF* bs : beamSegments) {
|
|
QPolygonF a(5);
|
|
a[0] = QPointF(bs->x1(), bs->y1()-lw2);
|
|
a[1] = QPointF(bs->x2(), bs->y2()-lw2);
|
|
a[2] = QPointF(bs->x2(), bs->y2()+lw2);
|
|
a[3] = QPointF(bs->x1(), bs->y1()+lw2);
|
|
a[4] = QPointF(bs->x1(), bs->y1()-lw2);
|
|
pp.addPolygon(a);
|
|
}
|
|
return pp;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// contains
|
|
//---------------------------------------------------------
|
|
|
|
bool Beam::contains(const QPointF& p) const
|
|
{
|
|
return outline().contains(p - pagePos());
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// absLimit
|
|
//---------------------------------------------------------
|
|
|
|
inline qreal absLimit(qreal val, qreal limit)
|
|
{
|
|
if (val > limit)
|
|
return limit;
|
|
if (val < -limit)
|
|
return -limit;
|
|
return val;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// hasNoSlope
|
|
//---------------------------------------------------------
|
|
|
|
bool Beam::hasNoSlope()
|
|
{
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
return _noSlope && !_userModified[idx];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// slopeZero
|
|
//---------------------------------------------------------
|
|
|
|
bool Beam::slopeZero(const std::vector<ChordRest*>& cl)
|
|
{
|
|
if (hasNoSlope() || cl.size() < 2)
|
|
return true;
|
|
|
|
//
|
|
// return true if beam spans a rest
|
|
//
|
|
if (cl.size() == 2 && (cl.front()->isRest() || cl.back()->isRest()))
|
|
return true;
|
|
|
|
// for(const ChordRest* cr : cl) {
|
|
// if (cr->type() != Element::Type::CHORD)
|
|
// return true;
|
|
// }
|
|
int l1 = cl.front()->line();
|
|
int le = cl.back()->line();
|
|
|
|
// look for some pattern
|
|
if (cl.size() == 4) {
|
|
int l2 = cl[1]->line();
|
|
int l3 = cl[2]->line();
|
|
|
|
if ((l1 < le) && (l2 > l1) && (l2 > l3) && (l3 > le)) {
|
|
return true;
|
|
}
|
|
if ((l1 == l3) && (l2 == le))
|
|
return true;
|
|
}
|
|
else if (cl.size() == 6) {
|
|
int l2 = cl[1]->line();
|
|
int l3 = cl[2]->line();
|
|
int l4 = cl[3]->line();
|
|
int l5 = cl[4]->line();
|
|
if ((l2 > l1) && (l3 > l2) && (l1 == l4) && (l2 == l5) && (l3 == le))
|
|
return true;
|
|
}
|
|
//
|
|
// concave beams have a slope of 0.0
|
|
//
|
|
bool sameLine = true;
|
|
|
|
slope = 0.0;
|
|
if (cl.size() >= 3) {
|
|
int l4 = cl[1]->line(_up);
|
|
for (unsigned i = 1; i < cl.size()-1; ++i) {
|
|
// Don't consider interior rests
|
|
if (cl[i]->type() != Element::Type::CHORD)
|
|
continue;
|
|
int l3 = cl[i]->line(_up);
|
|
if (l3 != l4)
|
|
sameLine = false;
|
|
if (_up) {
|
|
if (l3 < l1 && l3 < le)
|
|
return true;
|
|
}
|
|
else {
|
|
if (l3 > l1 && l3 > le)
|
|
return true;
|
|
}
|
|
}
|
|
if (sameLine && (l1 == l4 || le == l4) && cl[1]->type() == Element::Type::CHORD) {
|
|
if (_up) {
|
|
if (l1 == l4 && l1 < le)
|
|
return true;
|
|
if (le == l4 && le < l1)
|
|
return true;
|
|
}
|
|
else {
|
|
if (l1 == l4 && l1 > le)
|
|
return true;
|
|
else if (le == l4 && le > l1)
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return l1 == le;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// BeamMetric
|
|
//---------------------------------------------------------
|
|
|
|
struct Bm {
|
|
signed char l; // stem len in 1/4 spatium units
|
|
signed char s; // beam slant in 1/4 spatium units
|
|
Bm() : l(0), s(0) {}
|
|
Bm(signed char a, signed char b) : l(a), s(b) {}
|
|
static int key(int a, int b, int c) { return ((a & 0xff) << 16) | ((b & 0xff) << 8) | (c & 0xff); }
|
|
};
|
|
|
|
static QHash<int, Bm> bMetrics;
|
|
|
|
//---------------------------------------------------------
|
|
// initBeamMetrics
|
|
//---------------------------------------------------------
|
|
|
|
#define B(a,b,c,d,e) bMetrics[Bm::key(a, b, c)] = Bm(d, e);
|
|
|
|
static void initBeamMetrics()
|
|
{
|
|
// up step1 step2 stemLen1 slant
|
|
// (- up) (- up)
|
|
// =================================== C
|
|
B(1, 10, 10, -12, 0);
|
|
B(0, 3, 3, 11, 0);
|
|
B(1, 3, 3, -11, 0);
|
|
|
|
B(1, 10, 9, -12, -1);
|
|
B(1, 10, 8, -12, -4);
|
|
B(1, 10, 7, -12, -5);
|
|
B(1, 10, 6, -15, -5);
|
|
B(1, 10, 5, -16, -5);
|
|
B(1, 10, 4, -20, -4);
|
|
B(1, 10, 3, -20, -5);
|
|
|
|
B(1, 10, 11, -12, 1);
|
|
B(1, 10, 12, -13, 2); // F
|
|
B(1, 10, 13, -13, 2);
|
|
B(1, 10, 14, -13, 2);
|
|
B(1, 10, 15, -13, 2);
|
|
|
|
B(1, 3, 4, -11, 1);
|
|
B(1, 3, 5, -11, 2);
|
|
B(1, 3, 6, -11, 4);
|
|
B(1, 3, 7, -11, 5);
|
|
B(1, 3, 8, -11, 5);
|
|
B(1, 3, 9, -11, 5);
|
|
B(1, 3, 10, -11, 5);
|
|
|
|
B(0, -4, -3, 15, 1);
|
|
B(0, -4, -2, 15, 2);
|
|
B(0, -4, -1, 15, 2);
|
|
B(0, -4, 0, 15, 5);
|
|
B(0, -4, 1, 16, 5);
|
|
B(0, -4, 2, 20, 4);
|
|
B(0, -4, 3, 20, 5);
|
|
|
|
B(0, 3, 4, 13, 1);
|
|
B(0, 3, 5, 13, 2);
|
|
B(0, 3, 6, 14, 4);
|
|
B(0, 3, 7, 14, 4);
|
|
B(0, 3, 8, 14, 6);
|
|
|
|
B(0, 3, 2, 11, -1);
|
|
B(0, 3, 1, 11, -2);
|
|
B(0, 3, 0, 11, -5);
|
|
B(0, 3, -1, 11, -5);
|
|
B(0, 3, -2, 11, -5);
|
|
B(0, 3, -3, 11, -5);
|
|
B(0, 3, -4, 11, -5);
|
|
|
|
// =================================== D
|
|
B(1, 9, 9, -13, 0);
|
|
B(0, 2, 2, 12, 0);
|
|
B(1, 2, 2, -11, 0);
|
|
|
|
B(1, 9, 8, -13, -1);
|
|
B(1, 9, 7, -13, -2);
|
|
B(1, 9, 6, -13, -5);
|
|
B(1, 9, 5, -14, -5);
|
|
B(1, 9, 4, -16, -6);
|
|
B(1, 9, 3, -17, -5);
|
|
B(1, 9, 2, -17, -8);
|
|
|
|
B(1, 9, 10, -11, 1);
|
|
B(1, 9, 11, -11, 2);
|
|
B(1, 9, 12, -11, 2);
|
|
B(1, 9, 13, -11, 2);
|
|
B(1, 9, 14, -11, 2);
|
|
B(1, 9, 15, -11, 2);
|
|
|
|
B(1, 2, 3, -12, 1);
|
|
B(1, 2, 4, -12, 2);
|
|
B(1, 2, 5, -12, 4);
|
|
B(1, 2, 6, -12, 5);
|
|
B(1, 2, 7, -11, 5);
|
|
B(1, 2, 8, -12, 5);
|
|
B(1, 2, 9, -12, 8);
|
|
|
|
B(0, -5,-4, 16, 2);
|
|
B(0, -5,-3, 16, 2);
|
|
B(0, -5,-2, 17, 2);
|
|
B(0, -5,-1, 17, 2);
|
|
B(0, -5, 0, 18, 4);
|
|
B(0, -5, 1, 18, 5);
|
|
B(0, -5, 2, 21, 5);
|
|
|
|
B(0, 2, 3, 12, 1);
|
|
B(0, 2, 4, 12, 4);
|
|
B(0, 2, 5, 13, 4); // F
|
|
B(0, 2, 6, 15, 5);
|
|
B(0, 2, 7, 15, 6);
|
|
B(0, 2, 8, 16, 8);
|
|
B(0, 2, 9, 16, 8);
|
|
|
|
B(0, 2, 1, 12, -1);
|
|
B(0, 2, 0, 12, -4);
|
|
B(0, 2, -1, 12, -5);
|
|
B(0, 2, -2, 12, -5);
|
|
B(0, 2, -3, 12, -4);
|
|
B(0, 2, -4, 12, -4);
|
|
B(0, 2, -5, 12, -5);
|
|
|
|
// =================================== E
|
|
B(1, 8, 8, -12, 0);
|
|
B(0, 1, 1, 13, 0);
|
|
B(1, 1, 1, -12, 0);
|
|
|
|
B(1, 8, 7, -12, -1);
|
|
B(1, 8, 6, -12, -4);
|
|
B(1, 8, 5, -12, -5);
|
|
B(1, 8, 4, -15, -5);
|
|
B(1, 8, 3, -16, -5);
|
|
B(1, 8, 2, -17, -6);
|
|
B(1, 8, 1, -19, -6);
|
|
|
|
B(1, 15, 11, -21, -1);
|
|
B(1, 15, 10, -21, -1);
|
|
B(1, 15, 9, -21, -4);
|
|
B(1, 15, 8, -21, -5);
|
|
|
|
B(1, 1, 8, -11, 6);
|
|
B(1, 1, 7, -11, 6);
|
|
B(1, 1, 6, -12, 6);
|
|
|
|
B(1, 8, 9, -12, 1);
|
|
B(1, 8, 10, -12, 4);
|
|
B(1, 8, 11, -12, 5);
|
|
B(1, 8, 12, -12, 5);
|
|
B(1, 8, 13, -12, 4);
|
|
B(1, 8, 14, -12, 5);
|
|
B(1, 8, 15, -12, 5);
|
|
|
|
B(0, 1, 0, 11, -1);
|
|
B(0, 1, -1, 11, -2);
|
|
B(0, 1, -2, 11, -5);
|
|
B(0, 1, -3, 11, -5);
|
|
B(0, 1, -4, 11, -5);
|
|
B(0, 1, -5, 11, -5);
|
|
B(0, 1, -6, 11, -5);
|
|
|
|
B(0, 1, 2, 13, 1);
|
|
B(0, 1, 3, 13, 2);
|
|
B(0, 1, 4, 13, 5);
|
|
B(0, 1, 5, 14, 5);
|
|
B(0, 1, 6, 15, 5);
|
|
B(0, 1, 7, 17, 5);
|
|
B(0, 1, 8, 17, 8);
|
|
|
|
B(0, -6, -2, 19, 2);
|
|
B(0, -6, -1, 19, 4);
|
|
B(0, -6, 0, 20, 4);
|
|
B(0, -6, 1, 20, 5);
|
|
|
|
B(0, 8, 3, 9, -6);
|
|
B(0, 8, 2, 12, -8);
|
|
B(0, 8, 1, 12, -8);
|
|
|
|
// =================================== F
|
|
B(1, 7, 7,-13, 0); //F
|
|
B(0, 0, 0, 12, 0);
|
|
B(0, 7, 7, 12, 0);
|
|
|
|
B(1, 7, 6, -13, -1);
|
|
B(1, 7, 5, -13, -2);
|
|
B(1, 7, 4, -13, -5);
|
|
B(1, 7, 3, -14, -5);
|
|
B(1, 7, 2, -15, -6);
|
|
B(1, 7, 1, -17, -6);
|
|
B(1, 7, 0, -18, -8);
|
|
|
|
B(1, 14, 10, -19, -2);
|
|
B(1, 14, 9, -19, -2);
|
|
B(1, 14, 8, -20, -4);
|
|
B(1, 14, 7, -20, -5);
|
|
|
|
B(1, 0, 5, -9, 6);
|
|
B(1, 0, 6, -12, 8);
|
|
B(1, 0, 7, -12, 8);
|
|
|
|
B(1, 7, 8, -11, 1);
|
|
B(1, 7, 9, -11, 2);
|
|
B(1, 7, 10, -11, 5);
|
|
B(1, 7, 11, -11, 5);
|
|
B(1, 7, 12, -11, 5);
|
|
B(1, 7, 13, -11, 5);
|
|
B(1, 7, 14, -11, 5);
|
|
|
|
B(0, 0, -1, 12, -1);
|
|
B(0, 0, -2, 12, -4);
|
|
B(0, 0, -3, 12, -5);
|
|
B(0, 0, -4, 12, -5);
|
|
B(0, 0, -5, 12, -4);
|
|
B(0, 0, -6, 12, -4);
|
|
B(0, 0, -7, 12, -4);
|
|
|
|
B(0, 0, 1, 12, 1);
|
|
B(0, 0, 2, 12, 4);
|
|
B(0, 0, 3, 12, 5);
|
|
B(0, 0, 4, 15, 5);
|
|
B(0, 0, 5, 16, 5);
|
|
B(0, 0, 6, 17, 5);
|
|
B(0, 0, 7, 19, 6);
|
|
|
|
B(0, -7, -3, 21, 2);
|
|
B(0, -7, -2, 21, 2);
|
|
B(0, -7, -1, 21, 2);
|
|
B(0, -7, 0, 22, 4);
|
|
|
|
B(0, 7, 2, 12, -6);
|
|
B(0, 7, 1, 11, -6);
|
|
B(0, 7, 0, 11, -6);
|
|
|
|
// =================================== G
|
|
B(1, 6, 6, -12, 0);
|
|
B(0, -1, -1, 13, 0);
|
|
B(0, 6, 6, 11, 0);
|
|
|
|
B(1, 6, 5, -12, -1);
|
|
B(1, 6, 4, -12, -4);
|
|
B(1, 6, 3, -13, -4);
|
|
B(1, 6, 2, -15, -5);
|
|
B(1, 6, 1, -13, -7);
|
|
B(1, 6, 0, -16, -8);
|
|
B(1, 6, -1, -16, -8);
|
|
|
|
B(1, 13, 10, -17, -2);
|
|
B(1, 13, 9, -17, -2);
|
|
B(1, 13, 8, -18, -4);
|
|
B(1, 13, 7, -18, -5);
|
|
B(1, 13, 6, -21, -5);
|
|
|
|
B(1, -1, 6, -10, 8);
|
|
|
|
B(1, 6, 7, -12, 1);
|
|
B(1, 6, 8, -12, 4);
|
|
B(1, 6, 9, -12, 5);
|
|
B(1, 6, 10, -12, 5);
|
|
B(1, 6, 11, -12, 4);
|
|
B(1, 6, 12, -12, 5);
|
|
B(1, 6, 13, -12, 5);
|
|
|
|
B(0, -1, -2, 11, -1);
|
|
B(0, -1, -3, 11, -2);
|
|
B(0, -1, -4, 11, -2);
|
|
B(0, -1, -5, 11, -2);
|
|
B(0, -1, -6, 11, -2);
|
|
B(0, -1, -7, 11, -2);
|
|
|
|
B(0, -1, 0, 13, 1);
|
|
B(0, -1, 1, 13, 2);
|
|
B(0, -1, 2, 13, 5);
|
|
B(0, -1, 3, 14, 5);
|
|
B(0, -1, 4, 17, 6);
|
|
B(0, -1, 5, 18, 5);
|
|
B(0, -1, 6, 18, 8);
|
|
|
|
B(0, 6, 5, 12, -4);
|
|
B(0, 6, 4, 12, -4);
|
|
B(0, 6, 3, 12, -4);
|
|
B(0, 6, 2, 12, -6);
|
|
B(0, 6, 1, 11, -6);
|
|
B(0, 6, 0, 12, -7);
|
|
B(0, 6, -1, 12, -8);
|
|
|
|
// =================================== A
|
|
B(1, 5, 5, -11, 0);
|
|
B(0, -2, -2, 12, 0);
|
|
B(0, 5, 5, 11, 0);
|
|
|
|
B(1, 5, 4, -13, -1);
|
|
B(1, 5, 3, -13, -2);
|
|
B(1, 5, 2, -14, -4);
|
|
B(1, 5, 1, -15, -4);
|
|
B(1, 5, 0, -15, -6);
|
|
|
|
B(1, 12, 11, -15, -1);
|
|
B(1, 12, 10, -15, -2);
|
|
B(1, 12, 9, -15, -2);
|
|
B(1, 12, 8, -15, -5);
|
|
B(1, 12, 7, -16, -5);
|
|
B(1, 12, 6, -20, -4);
|
|
B(1, 12, 5, -20, -5);
|
|
|
|
B(1, 5, 6, -11, 1);
|
|
B(1, 5, 7, -11, 2);
|
|
B(1, 5, 8, -11, 5);
|
|
B(1, 5, 9, -11, 5);
|
|
B(1, 5, 10, -11, 5);
|
|
B(1, 5, 11, -11, 5);
|
|
B(1, 5, 12, -11, 5);
|
|
|
|
B(0, -2, -1, 12, 1);
|
|
B(0, -2, 0, 12, 4);
|
|
B(0, -2, 1, 12, 5);
|
|
B(0, -2, 2, 15, 5);
|
|
B(0, -2, 3, 16, 5);
|
|
B(0, -2, 4, 20, 4);
|
|
B(0, -2, 5, 20, 5);
|
|
|
|
B(0, -2, -3, 12, -1);
|
|
B(0, -2, -4, 13, -2);
|
|
B(0, -2, -5, 13, -2);
|
|
B(0, -2, -6, 13, -2);
|
|
B(0, -2, -7, 13, -2);
|
|
|
|
B(0, 5, 4, 11, -1);
|
|
B(0, 5, 3, 11, -2);
|
|
B(0, 5, 2, 11, -4);
|
|
B(0, 5, 1, 11, -5);
|
|
B(0, 5, 0, 11, -5);
|
|
B(0, 5, -1, 11, -5);
|
|
B(0, 5, -2, 11, -5);
|
|
|
|
// =================================== B
|
|
B(1, 4, 4, -12, 0);
|
|
B(1, 11, 11, -13, 0);
|
|
B(0, 4, 4, 12, 0);
|
|
B(0, -3, -3, 13, 0);
|
|
|
|
B(1, 11, 10, -13, -1);
|
|
B(1, 11, 9, -13, -2);
|
|
B(1, 11, 8, -13, -5);
|
|
B(1, 11, 7, -14, -5);
|
|
B(1, 11, 6, -18, -4);
|
|
B(1, 11, 5, -18, -5);
|
|
B(1, 11, 4, -21, -5);
|
|
|
|
B(1, 4, 3, -12, -1);
|
|
B(1, 4, 2, -12, -4);
|
|
B(1, 4, 1, -14, -4);
|
|
B(1, 4, 0, -16, -4);
|
|
|
|
B(1, 11, 12, -14, 1);
|
|
B(1, 11, 13, -14, 1);
|
|
B(1, 11, 14, -14, 1);
|
|
B(1, 11, 15, -15, 2);
|
|
B(1, 11, 16, -15, 2);
|
|
|
|
B(1, 4, 5, -12, 1);
|
|
B(1, 4, 6, -12, 4);
|
|
B(1, 4, 7, -12, 5);
|
|
B(1, 4, 8, -12, 5);
|
|
B(1, 4, 9, -13, 6);
|
|
B(1, 4, 10, -12, 4);
|
|
B(1, 4, 11, -12, 5);
|
|
|
|
B(0, 4, 3, 12, -1);
|
|
B(0, 4, 2, 12, -4);
|
|
B(0, 4, 1, 12, -5);
|
|
B(0, 4, 0, 12, -5);
|
|
B(0, 4, -1, 13, -6);
|
|
B(0, 4, -2, 12, -4);
|
|
B(0, 4, -3, 12, -5);
|
|
|
|
B(0, 4, 5, 12, 1);
|
|
B(0, 4, 6, 12, 4);
|
|
|
|
B(0, -3, -4, 14, -1);
|
|
B(0, -3, -5, 14, -1);
|
|
B(0, -3, -6, 14, -1);
|
|
B(0, -3, -7, 15, -2);
|
|
B(0, -3, -8, 15, -2);
|
|
B(0, -3, -9, 15, -2);
|
|
|
|
B(0, -3, -2, 13, 1);
|
|
B(0, -3, -1, 13, 2);
|
|
B(0, -3, 0, 13, 5);
|
|
B(0, -3, 1, 14, 5);
|
|
B(0, -3, 2, 18, 4);
|
|
B(0, -3, 3, 18, 5);
|
|
B(0, -3, 4, 21, 5);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// beamMetric1
|
|
// table driven
|
|
//---------------------------------------------------------
|
|
|
|
static Bm beamMetric1(bool up, char l1, char l2)
|
|
{
|
|
static int initialized = false;
|
|
if (!initialized) {
|
|
initBeamMetrics();
|
|
initialized = true;
|
|
}
|
|
return bMetrics[Bm::key(up, l1, l2)];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// adjust
|
|
// adjust stem len for notes between start-end
|
|
// return 1/4 spatium units
|
|
//---------------------------------------------------------
|
|
|
|
static int adjust(qreal _spatium4, int slant, const std::vector<ChordRest*>& cl)
|
|
{
|
|
int n = cl.size();
|
|
const ChordRest* c1 = cl[0];
|
|
const ChordRest* c2 = cl[n-1];
|
|
|
|
QPointF p1(c1->stemPosBeam()); // canvas coordinates
|
|
qreal slope = (slant * _spatium4) / (c2->stemPosBeam().x() - p1.x());
|
|
int ml = -1000;
|
|
if (c1->up()) {
|
|
for (int i = 1; i < n; ++i) {
|
|
QPointF p3(cl[i]->stemPosBeam());
|
|
qreal yUp = p1.y() + (p3.x() - p1.x()) * slope;
|
|
int l = lrint((yUp - p3.y()) / (_spatium4));
|
|
ml = qMax(ml, l);
|
|
}
|
|
}
|
|
else {
|
|
for (int i = 1; i < n; ++i) {
|
|
const ChordRest* c = cl[i];
|
|
QPointF p3(c->stemPosBeam());
|
|
qreal yUp = p1.y() + (p3.x() - p1.x()) * slope;
|
|
int l = lrint((p3.y() - yUp) / (_spatium4));
|
|
ml = qMax(ml, l);
|
|
}
|
|
}
|
|
// on tab staff, reduce a bit the stems (value 4 is experimental)
|
|
// TODO : proper fix should adapt all the numeric vaues used in Beam::computeStemLen() below
|
|
// to variable line distance
|
|
if (c1->staff() && c1->staff()->isTabStaff()) {
|
|
ml = (ml != 0) ? ml - 4 : 0;
|
|
return ml;
|
|
}
|
|
return (ml > 0) ? ml : 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// adjust2
|
|
// adjust stem position for single beams
|
|
//---------------------------------------------------------
|
|
|
|
static void adjust2(Bm& bm, const ChordRest* c1)
|
|
{
|
|
static const int dd[4][4] = {
|
|
// St H -- S
|
|
{0, 0, 1, 0}, // St
|
|
{0, 0, -1, 0}, // S
|
|
{1, 1, 1, -1}, // --
|
|
{0, 0, -1, 0} // H
|
|
};
|
|
int ys = bm.l + c1->line() * 2;
|
|
int e1 = qAbs((ys + 1000) % 4);
|
|
int e2 = qAbs((ys + 1000 + bm.s) % 4);
|
|
bm.l -= dd[e1][e2];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// minSlant
|
|
//---------------------------------------------------------
|
|
|
|
static int minSlant(uint interval)
|
|
{
|
|
static const int minSlantTable[] = { 0, 1, 2, 4, 5 };
|
|
if (interval > 4)
|
|
return 5;
|
|
return minSlantTable[interval];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// maxSlant
|
|
//---------------------------------------------------------
|
|
|
|
static int maxSlant(uint interval)
|
|
{
|
|
static const int maxSlantTable[] = { 0, 1, 4, 5, 5, 6, 7, 8 };
|
|
if (interval > 7)
|
|
return 8;
|
|
return maxSlantTable[interval];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// slantTable
|
|
//---------------------------------------------------------
|
|
|
|
static int* slantTable(uint interval)
|
|
{
|
|
static int t[8][5] = {
|
|
{ 0, -1, 0, 0, 0 },
|
|
{ 1, -1, 0, 0, 0 },
|
|
{ 3, 4, 2, -1, 0 },
|
|
{ 4, 5, -1, 0, 0 },
|
|
{ 5, -1, 0, 0, 0 },
|
|
{ 5, 6, -1, 0, 0 },
|
|
{ 6, 5, 7, -1, 0 },
|
|
{ 6, 7, 5, 8, -1 },
|
|
};
|
|
if (interval > 7)
|
|
interval = 7;
|
|
return &t[interval][0] ;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// computeStemLen
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::computeStemLen(const std::vector<ChordRest*>& cl, qreal& py1, int beamLevels)
|
|
{
|
|
qreal _spatium = spatium();
|
|
qreal _spatium4 = _spatium * .25;
|
|
// TAB: scale to staff line distance for vert. pos. within a staff
|
|
qreal _spStaff4 = staff()->isTabStaff() ? _spatium4 * staff()->lineDistance() : _spatium4;
|
|
const ChordRest* c1 = cl.front();
|
|
const ChordRest* c2 = cl.back();
|
|
qreal dx = c2->pagePos().x() - c1->pagePos().x();
|
|
bool zeroSlant = slopeZero(cl);
|
|
|
|
int l1 = c1->line() * 2;
|
|
int l2 = c2->line() * 2;
|
|
|
|
Bm bm;
|
|
|
|
// shorten stem length if grace notes beam is under main notes beam.
|
|
// Value 4 estimated. Desired: to find a good formula.
|
|
|
|
int graceStemLengthCorrection;
|
|
if (_isGrace)
|
|
graceStemLengthCorrection = static_cast<const Chord*>(c1)->underBeam() ? 4 : 3;
|
|
else
|
|
graceStemLengthCorrection = 0;
|
|
|
|
if (beamLevels == 1) {
|
|
bm = beamMetric1(_up, l1 / 2, l2 / 2);
|
|
if (hasNoSlope())
|
|
bm.s = 0.0;
|
|
|
|
// special case for two beamed notes: flatten to max of 1sp
|
|
static int maxShortSlant = 4;
|
|
if (bm.l && elements().size() == 2) {
|
|
//qDebug("computeStemLen: l = %d, s = %d", (int)bm.l, (int)bm.s);
|
|
if (bm.s > maxShortSlant) {
|
|
// slant downward
|
|
// lengthen first stem if down
|
|
if (bm.l > 0)
|
|
bm.l += bm.s - maxShortSlant;
|
|
// flatten beam
|
|
bm.s = maxShortSlant;
|
|
}
|
|
else if (bm.s < -maxShortSlant) {
|
|
// slant upward
|
|
// lengthen first stem if up
|
|
if (bm.l < 0)
|
|
bm.l -= -maxShortSlant - bm.s;
|
|
// flatten beam
|
|
bm.s = -maxShortSlant;
|
|
}
|
|
}
|
|
|
|
if (bm.l) {
|
|
if (bm.l > 0)
|
|
bm.l -= graceStemLengthCorrection;
|
|
else
|
|
bm.l += graceStemLengthCorrection;
|
|
}
|
|
|
|
if (bm.l && !(zeroSlant && cl.size() > 2)) {
|
|
if (cl.size() > 2) {
|
|
if (_up)
|
|
bm.l = -12 - adjust(_spStaff4, bm.s, cl);
|
|
else
|
|
bm.l = 12 + adjust(_spStaff4, bm.s, cl);
|
|
adjust2(bm, c1);
|
|
}
|
|
}
|
|
else {
|
|
int* st = slantTable(zeroSlant ? 0 : qAbs((l2 - l1) / 2));
|
|
int ll1;
|
|
if (_up) {
|
|
ll1 = l1 - ((l1 & 3) ? 11 : 12);
|
|
int ll1m = l1 - 10;
|
|
int rll1 = ll1;
|
|
if ((l1 > 20) && (l2 > 20)) {
|
|
st = slantTable(zeroSlant ? 0 : 1);
|
|
rll1 = (zeroSlant || (l2 < l1)) ? 9 : 8;
|
|
}
|
|
for (int n = 0; ; ll1--) {
|
|
int i;
|
|
for (i = 0; st[i] != -1; ++i) {
|
|
int slant = (l2 > l1) ? st[i] : -st[i];
|
|
int lll1 = qMin(rll1, ll1m - n - adjust(_spStaff4, slant, cl));
|
|
int ll2 = lll1 + slant;
|
|
static bool ba[4][4] = {
|
|
{ true, true, false, true },
|
|
{ true, true, false, true },
|
|
{ false, false, false, true },
|
|
{ true, true, false, true }
|
|
};
|
|
if (ba[lll1 & 3][ll2 & 3]) {
|
|
ll1 = lll1;
|
|
bm.s = slant;
|
|
break;
|
|
}
|
|
}
|
|
if (st[i] != -1)
|
|
break;
|
|
if (++n > 4) {
|
|
qDebug("beam note not found 1");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
ll1 = ((l1 & 3) ? 11 : 12) + l1;
|
|
int rll1 = ll1;
|
|
if ((l1 < -4) && (l2 < -4)) {
|
|
// extend to middle line, slant is always 0 <= 1
|
|
st = slantTable(zeroSlant ? 0 : 1);
|
|
rll1 = (zeroSlant || (l2 > l1)) ? 7 : 8;
|
|
}
|
|
for (int n = 0;;ll1++) {
|
|
int i;
|
|
for (i = 0; st[i] != -1; ++i) {
|
|
int slant = (l2 > l1) ? st[i] : -st[i];
|
|
int lll1 = qMax(rll1, ll1 + adjust(_spStaff4, slant, cl));
|
|
int e1 = lll1 & 3;
|
|
int ll2 = lll1 + slant;
|
|
int e2 = ll2 & 3;
|
|
static bool ba[4][4] = {
|
|
{ true, true, false, true },
|
|
{ true, true, false, true },
|
|
{ false, false, false, true },
|
|
{ true, true, false, true }
|
|
};
|
|
if (ba[e1][e2]) {
|
|
ll1 = lll1;
|
|
bm.s = slant;
|
|
break;
|
|
}
|
|
}
|
|
if (st[i] != -1)
|
|
break;
|
|
if (++n > 4) {
|
|
qDebug("beam not found 2");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
bm.l = ll1 - l1;
|
|
}
|
|
}
|
|
else if (beamLevels == 2) {
|
|
int minS, maxS;
|
|
if (zeroSlant)
|
|
minS = maxS = 0;
|
|
else {
|
|
uint interval = qAbs((l2 - l1) / 2);
|
|
minS = minSlant(interval);
|
|
maxS = maxSlant(interval);
|
|
if (elements().size() == 2) {
|
|
minS = qMin(minS, 2);
|
|
maxS = qMin(maxS, 4);
|
|
}
|
|
}
|
|
int ll1;
|
|
if (_up) {
|
|
ll1 = l1 - 12; // sp minimum to primary beam
|
|
int rll1 = ll1;
|
|
if ((l1 > 20) && (l2 > 20)) {
|
|
minS = zeroSlant ? 0 : 1;
|
|
maxS = minS;
|
|
rll1 = (zeroSlant || (l2 < l1)) ? 9 : 8;
|
|
}
|
|
for (int n = 0; ; ll1--) {
|
|
int i;
|
|
for (i = minS; i <= maxS; ++i) {
|
|
int slant = (l2 > l1) ? i : -i;
|
|
int lll1 = qMin(rll1, ll1 - adjust(_spStaff4, slant, cl));
|
|
int ll2 = lll1 + slant;
|
|
static bool ba[4][4] = {
|
|
{ true, true, false, false },
|
|
{ true, true, false, false },
|
|
{ false, false, false, false },
|
|
{ false, false, false, false }
|
|
};
|
|
if (ba[lll1 & 3][ll2 & 3]) {
|
|
ll1 = lll1;
|
|
break;
|
|
}
|
|
}
|
|
if (i <= maxS) {
|
|
bm.s = l2 > l1 ? i : -i;
|
|
break;
|
|
}
|
|
if (++n > 4) {
|
|
qDebug("beam note not found 1 %d-%d", minS, maxS);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
ll1 = 12 + l1;
|
|
int rll1 = ll1;
|
|
bool down = l2 > l1;
|
|
if ((l1 < -4) && (l2 < -4)) {
|
|
// extend to middle line, slant is always 0 <= 1
|
|
minS = zeroSlant ? 0 : 1;
|
|
maxS = minS;
|
|
rll1 = (zeroSlant || down) ? 7 : 8;
|
|
}
|
|
for (int n = 0;;ll1++) {
|
|
int i;
|
|
for (i = minS; i <= maxS; ++i) {
|
|
int slant = down ? i : -i;
|
|
int lll1 = qMax(rll1, ll1 + adjust(_spStaff4, slant, cl));
|
|
int ll2 = lll1 + slant;
|
|
static bool ba[4][4] = {
|
|
{ true, false, false, true },
|
|
{ false, false, false, false },
|
|
{ false, false, false, false },
|
|
{ true, false, false, true }
|
|
};
|
|
if (ba[lll1 & 3][ll2 & 3]) {
|
|
ll1 = lll1;
|
|
bm.s = slant;
|
|
break;
|
|
}
|
|
}
|
|
if (i <= maxS)
|
|
break;
|
|
if (++n > 4) {
|
|
qDebug("beam not found 2");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
bm.l = ll1 - l1;
|
|
}
|
|
else if (beamLevels == 3) {
|
|
int slant;
|
|
bool outside;
|
|
if (zeroSlant) {
|
|
outside = (_up && qMin(l1, l2) <= 10) ||
|
|
(!_up && qMax(l1, l2) >= 6);
|
|
slant = 0;
|
|
}
|
|
else {
|
|
outside = (_up && (l1 <= 10) && (l2 <= 10)) ||
|
|
(!_up && (l1 >= 6) && (l2 >= 6));
|
|
if (outside)
|
|
slant = *slantTable(qAbs(l1-l2) / 2);
|
|
else
|
|
slant = 4;
|
|
if (l1 > l2)
|
|
slant = -slant;
|
|
}
|
|
int ll1;
|
|
if (_up) {
|
|
static const int t[4] = { 3, 0, 1, 2 };
|
|
ll1 = l1 - 15 - adjust(_spStaff4, slant, cl);
|
|
ll1 = qMin(ll1, 5);
|
|
if (!outside)
|
|
ll1 -= t[ll1 & 3]; // extend to sit on line
|
|
}
|
|
else {
|
|
ll1 = 15 + l1 + adjust(_spStaff4, slant, cl);
|
|
ll1 = qMax(ll1, 11);
|
|
if (!outside)
|
|
ll1 += 3 - (ll1 & 3); // extend to hang on line
|
|
}
|
|
bm.s = slant;
|
|
bm.l = ll1 - l1;
|
|
}
|
|
else if (beamLevels == 4) {
|
|
int slant = zeroSlant ? 0 : (l2 > l1 ? 4 : -4);
|
|
int ll1;
|
|
if (_up) {
|
|
ll1 = l1 - 17 - adjust(_spStaff4, slant, cl);
|
|
ll1 = qMin(ll1, 1);
|
|
static const int t[4] = { 3, 0, 1, 2 };
|
|
ll1 -= t[ll1 & 3]; // extend to sit on line
|
|
}
|
|
else {
|
|
ll1 = 17 + l1 + adjust(_spStaff4, slant, cl);
|
|
ll1 = qMax(ll1, 15);
|
|
ll1 += 3 - (ll1 & 3); // extend to hang on line
|
|
}
|
|
bm.s = slant;
|
|
bm.l = ll1 - l1;
|
|
}
|
|
else { // if (beamLevels > 4) {
|
|
static const int t[] = { 0, 0, 4, 4, 8, 12, 16 }; // spatium4 added to stem len
|
|
int n = t[beamLevels] + 12;
|
|
bm.s = 0;
|
|
if (_up) {
|
|
bm.l = -n;
|
|
bm.l -= adjust(_spStaff4, bm.s, cl);
|
|
}
|
|
else {
|
|
bm.l += n;
|
|
bm.l += adjust(_spStaff4, bm.s, cl);
|
|
}
|
|
}
|
|
if (_isGrace && (beamLevels > 1) && bm.l) {
|
|
if (bm.l > 0)
|
|
bm.l -= graceStemLengthCorrection;
|
|
else
|
|
bm.l += graceStemLengthCorrection;
|
|
}
|
|
if (dx == 0.0)
|
|
slope = 0.0;
|
|
else
|
|
slope = (bm.s * _spatium4) / dx;
|
|
int dy = (c1->line(_up) - c1->line(!_up)) * 2;
|
|
|
|
py1 += (dy + bm.l) * _spStaff4;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// layout2
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::layout2(std::vector<ChordRest*>crl, SpannerSegmentType, int frag)
|
|
{
|
|
if (_distribute)
|
|
score()->respace(&crl); // fix horizontal spacing of stems
|
|
|
|
if (crl.empty()) // no beamed Elements
|
|
return;
|
|
const ChordRest* c1 = crl.front(); // first chord/rest in beam
|
|
const ChordRest* c2 = crl.back(); // last chord/rest in beam
|
|
|
|
int beamLevels = 1;
|
|
for (const ChordRest* c : crl)
|
|
beamLevels = qMax(beamLevels, c->durationType().hooks());
|
|
|
|
BeamFragment* f = fragments[frag];
|
|
int dIdx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
qreal& py1 = f->py1[dIdx];
|
|
qreal& py2 = f->py2[dIdx];
|
|
|
|
qreal _spatium = spatium();
|
|
QPointF _pagePos(pagePos());
|
|
qreal beamMinLen = score()->styleP(StyleIdx::beamMinLen) * mag();
|
|
|
|
if (beamLevels == 4)
|
|
_beamDist = score()->styleP(StyleIdx::beamWidth) * (1 + score()->styleD(StyleIdx::beamDistance)*4/3);
|
|
else
|
|
_beamDist = score()->styleP(StyleIdx::beamWidth) * (1 + score()->styleD(StyleIdx::beamDistance));
|
|
|
|
_beamDist *= mag();
|
|
_beamDist *= c1->staff()->mag();
|
|
int n = crl.size();
|
|
|
|
StaffType* tab = 0;
|
|
if (staff()->isTabStaff() )
|
|
tab = staff()->staffType();
|
|
if (tab && !tab->stemThrough() ) {
|
|
//
|
|
// TAB STAVES with stems beside staves: beam position is fixed depending on TAB parameters and chordrest up/down
|
|
// (all the chordrests of a beam have the same up/down, as it depends on TAB parameters if there are no voices
|
|
// or from the voice the beam belongs to if there are voices; then, it is enough to check only the first chordrest)
|
|
_up = c1->up();
|
|
// compute vert. pos. of beam, relative to staff (top line = 0)
|
|
qreal y = tab->chordRestStemPosY(c1) + (_up ? - STAFFTYPE_TAB_DEFAULTSTEMLEN_UP : STAFFTYPE_TAB_DEFAULTSTEMLEN_DN);
|
|
y *= _spatium;
|
|
py1 = py2 = y; // in this case, beams are always horizontal: py1 = py2
|
|
}
|
|
else {
|
|
//
|
|
// PITCHED STAVES (or TAB with stems through staves)
|
|
//
|
|
qreal px1 = c1->stemPosX() + c1->pageX();
|
|
qreal px2 = c2->stemPosX() + c2->pageX();
|
|
|
|
if (_userModified[dIdx]) {
|
|
py1 += _pagePos.y();
|
|
py2 += _pagePos.y();
|
|
|
|
qreal beamY = py1;
|
|
slope = (py2 - py1) / (px2 - px1);
|
|
//
|
|
// set stem direction for every chord
|
|
//
|
|
bool relayoutGrace = false;
|
|
for (int i = 0; i < n; ++i) {
|
|
Chord* c = static_cast<Chord*>(crl.at(i));
|
|
if (c->isRest())
|
|
continue;
|
|
QPointF p = c->upNote()->pagePos();
|
|
qreal y1 = beamY + (p.x() - px1) * slope;
|
|
bool nup = y1 < p.y();
|
|
if (c->up() != nup) {
|
|
c->setUp(nup);
|
|
// guess was wrong, have to relayout
|
|
if (!_isGrace) {
|
|
score()->layoutChords1(c->segment(), c->staffIdx());
|
|
// DEBUG: attempting to layout during beam edit causes crash
|
|
// probably because ledger lines are deleted and added back
|
|
if (editFragment == -1)
|
|
c->layout();
|
|
}
|
|
else {
|
|
relayoutGrace = true;
|
|
score()->layoutChords3(c->notes(), c->staff(), 0);
|
|
}
|
|
}
|
|
}
|
|
_up = crl.front()->up();
|
|
if (relayoutGrace)
|
|
c1->parent()->layout();
|
|
}
|
|
else if (_cross) {
|
|
qreal beamY = 0.0; // y position of main beam start
|
|
qreal y1 = -200000;
|
|
qreal y2 = 200000;
|
|
for (int i = 0; i < n; ++i) {
|
|
Chord* c = static_cast<Chord*>(crl.at(i));
|
|
qreal y;
|
|
if (c->isRest())
|
|
continue; //y = c->pagePos().y();
|
|
else
|
|
y = c->upNote()->pagePos().y();
|
|
y1 = qMax(y1, y);
|
|
y2 = qMin(y2, y);
|
|
}
|
|
if (y1 > y2)
|
|
beamY = y2 + (y1 - y2) * .5;
|
|
else
|
|
beamY = _up ? y2 : y1;
|
|
py1 = beamY;
|
|
|
|
//
|
|
// set stem direction for every chord
|
|
//
|
|
for (ChordRest* cr : crl) {
|
|
Chord* c = static_cast<Chord*>(cr);
|
|
if (c->type() != Element::Type::CHORD)
|
|
continue;
|
|
qreal y = c->upNote()->pagePos().y();
|
|
bool nup = beamY < y;
|
|
if (c->up() != nup) {
|
|
c->setUp(nup);
|
|
// guess was wrong, have to relayout
|
|
score()->layoutChords1(c->segment(), c->staffIdx());
|
|
c->layout();
|
|
// TODO: this might affect chord space, which might affect segment position
|
|
// we should relayout entire measure
|
|
// this probably means starting over for beam as well
|
|
// see https://musescore.org/en/node/71901
|
|
}
|
|
}
|
|
|
|
qreal yDownMax = -300000;
|
|
qreal yUpMin = 300000;
|
|
|
|
for (ChordRest* cr : crl) {
|
|
Chord* c = static_cast<Chord*>(cr);
|
|
if (c->type() != Element::Type::CHORD)
|
|
continue;
|
|
bool _up = c->up();
|
|
qreal y = (_up ? c->upNote() : c->downNote())->pagePos().y();
|
|
if (_up)
|
|
yUpMin = qMin(y, yUpMin);
|
|
else
|
|
yDownMax = qMax(y, yDownMax);
|
|
}
|
|
qreal slant = hasNoSlope() ? 0 : _spatium;
|
|
if (crl.front()->up())
|
|
slant = -slant;
|
|
py1 = yUpMin + (yDownMax - yUpMin) * .5 - slant * .5;
|
|
slope = slant / (px2 - px1);
|
|
if (_direction == Direction::AUTO)
|
|
_up = crl.front()->up();
|
|
}
|
|
else {
|
|
py1 = c1->stemPos().y();
|
|
py2 = c2->stemPos().y(); // for debug
|
|
computeStemLen(crl, py1, beamLevels);
|
|
}
|
|
py2 = (px2 - px1) * slope + py1; // for debug
|
|
py2 -= _pagePos.y();
|
|
py1 -= _pagePos.y();
|
|
}
|
|
|
|
//---------------------------------------------
|
|
// create beam segments
|
|
//---------------------------------------------
|
|
|
|
qreal x1 = crl[0]->stemPosX() + crl[0]->pageX() - pageX();
|
|
|
|
int baseLevel = 0; // beam level that covers all notes of beam
|
|
int crBase[n]; // offset of beam level 0 for each chord
|
|
bool growDown = _up;
|
|
|
|
for (int beamLevel = 0; beamLevel < beamLevels; ++beamLevel) {
|
|
|
|
// loop through the different groups for this beam level
|
|
// inner loop will advance through chordrests within each group
|
|
for (int i = 0; i < n;) {
|
|
ChordRest* cr1 = crl[i];
|
|
int l = cr1->durationType().hooks() - 1;
|
|
|
|
if ((cr1->type() == Element::Type::REST && i) || l < beamLevel) {
|
|
++i;
|
|
continue;
|
|
}
|
|
|
|
// at the beginning of a group
|
|
// loop through chordrests looking for end
|
|
int c1 = i;
|
|
++i;
|
|
bool b32 = false, b64 = false;
|
|
for (; i < n; ++i) {
|
|
ChordRest* c = crl[i];
|
|
ChordRest* p = i ? crl[i - 1] : 0;
|
|
int l = c->durationType().hooks() - 1;
|
|
|
|
Mode bm = Groups::endBeam(c, p);
|
|
b32 = (beamLevel >= 1) && (bm == Mode::BEGIN32);
|
|
b64 = (beamLevel >= 2) && (bm == Mode::BEGIN64);
|
|
|
|
if ((l >= beamLevel && (b32 || b64)) || (l < beamLevel)) {
|
|
if (i > 1 && crl[i-1]->type() == Element::Type::REST) {
|
|
--i;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
// found end of group
|
|
int c2 = i;
|
|
ChordRest* cr2 = crl[c2 - 1];
|
|
|
|
// if group covers whole beam, we are still at base level
|
|
if (c1 == 0 && c2 == n)
|
|
baseLevel = beamLevel;
|
|
|
|
// default assumption - everything grows in same direction
|
|
int bl = growDown ? beamLevel : -beamLevel;
|
|
bool growDownGroup = growDown;
|
|
|
|
// calculate direction for this group
|
|
if (beamLevel > baseLevel) {
|
|
|
|
if ((c1 && (cr1->up() == cr2->up()))
|
|
|| ((c2 == n) && (cr1->up() != cr2->up()))) {
|
|
// matching direction for outer stems, not first group
|
|
// or, opposing direction for outer stems, last group
|
|
// recalculate beam for this group based on its *first* cr
|
|
growDownGroup = cr1->up();
|
|
}
|
|
|
|
else if (!c1 && (c2 < n) && (cr1->up() != cr2->up())) {
|
|
// opposing directions for outer stems, first (but not only) group
|
|
// recalculate beam for this group if necessary based on its *last* cr
|
|
growDownGroup = cr2->up();
|
|
}
|
|
|
|
// recalculate segment offset bl
|
|
int base = crBase[c1];
|
|
if (growDownGroup && base <= 0)
|
|
bl = base + beamLevel;
|
|
else if (growDownGroup)
|
|
bl = base + 1;
|
|
else if (!growDownGroup && base >= 0)
|
|
bl = base - beamLevel;
|
|
else if (!growDownGroup)
|
|
bl = base - 1;
|
|
|
|
}
|
|
|
|
// if there are more beam levels,
|
|
// record current beam offsets for all notes of this group for re-use
|
|
if (beamLevel < beamLevels - 1) {
|
|
for (int i = c1; i < c2; ++i)
|
|
crBase[i] = bl;
|
|
}
|
|
|
|
qreal stemWidth = score()->styleP(StyleIdx::stemWidth);
|
|
qreal x2 = cr1->stemPosX() + cr1->pageX() - _pagePos.x();
|
|
qreal x3;
|
|
|
|
if ((c2 - c1) > 1) {
|
|
ChordRest* cr2 = crl[c2-1];
|
|
// create segment
|
|
x3 = cr2->stemPosX() + cr2->pageX() - _pagePos.x();
|
|
|
|
if (tab) {
|
|
x2 -= stemWidth * 0.5;
|
|
x3 += stemWidth * 0.5;
|
|
}
|
|
else {
|
|
if (cr1->up())
|
|
x2 -= stemWidth;
|
|
if (!cr2->up())
|
|
x3 += stemWidth;
|
|
}
|
|
}
|
|
else {
|
|
// create broken segment
|
|
if (cr1->type() == Element::Type::REST)
|
|
continue;
|
|
|
|
int n = crl.size();
|
|
qreal len = beamMinLen;
|
|
//
|
|
// find direction (by default, segment points to right)
|
|
//
|
|
// if first or last of group (including tuplet groups)
|
|
// unconditionally set beam at right or left side
|
|
Tuplet* tuplet = cr1->tuplet();
|
|
if (c1 == 0)
|
|
;
|
|
else if (c1 == n - 1)
|
|
len = -len;
|
|
else if (tuplet && cr1 == tuplet->elements().front())
|
|
;
|
|
else if (tuplet && cr1 == tuplet->elements().back())
|
|
len = -len;
|
|
else if (b32 || b64) // end of a sub-beam group
|
|
len = -len;
|
|
else if (!(cr1->isGrace())) {
|
|
// inside group - here it gets more complex
|
|
// see http://musescore.org/en/node/42856, http://musescore.org/en/node/40806
|
|
// our strategy:
|
|
// decide if we have reached the end of a "logical" grouping
|
|
// even if we are not literally at the end of a beam group
|
|
// we do this two ways:
|
|
// 1) see if beam groups would have indicated a break or sub-beam if the next chord were same length as this
|
|
// 2) see if next note is on a "sub-beat" as defined by 2 * current note duration
|
|
// in either case, broken segment should point left; otherwise right
|
|
// however, we should try to be careful to avoid "floating" segments
|
|
// caused by mismatches between number of incoming versus outgoing beams
|
|
// so, we favor the side with more beams (to the extent we can count reliably)
|
|
// if there is a corner case missed, this would probably be where
|
|
ChordRest* prevCR = crl[c1-1];
|
|
ChordRest* nextCR = crl[c1+1];
|
|
TDuration currentDuration = cr1->durationType();
|
|
int currentHooks = currentDuration.hooks();
|
|
|
|
// since we have already established that we are not at end of sub-beam,
|
|
// outgoing beams should always be # hooks of next chord
|
|
int beamsOut = nextCR->durationType().hooks();
|
|
|
|
// incoming beams is normally # hooks of previous chord
|
|
// unless this is start of sub-beam
|
|
const Groups& g = cr1->staff()->group(cr1->measure()->tick());
|
|
Fraction stretch = cr1->staff()->timeStretch(cr1->measure()->tick());
|
|
int currentTick = (cr1->rtick() * stretch.numerator()) / stretch.denominator();
|
|
Beam::Mode bm = g.beamMode(currentTick, currentDuration.type());
|
|
int beamsIn;
|
|
if (bm == Beam::Mode::BEGIN32)
|
|
beamsIn = 1;
|
|
else if (bm == Beam::Mode::BEGIN64)
|
|
beamsIn = 2;
|
|
else
|
|
beamsIn = prevCR->durationType().hooks();
|
|
|
|
// remember, we are checking whether nextCR would have started sub-beam *if* same duration as this
|
|
int nextTick = (nextCR->rtick() * stretch.numerator()) / stretch.denominator();
|
|
bm = g.beamMode(nextTick, currentDuration.type());
|
|
|
|
if (currentHooks - beamsOut > 1 && beamsIn > beamsOut && currentHooks > beamsIn) {
|
|
// point left to avoid floating segment
|
|
len = -len;
|
|
}
|
|
else if (beamsIn < beamsOut) {
|
|
// point right to avoid floating segment
|
|
;
|
|
}
|
|
else if (bm != Beam::Mode::AUTO) {
|
|
// beam group info suggests this is a logical group end as per 1) above
|
|
len = -len;
|
|
}
|
|
else {
|
|
// determine if this is a logical group end as per 2) above
|
|
|
|
int baseTick = tuplet ? tuplet->tick() : cr1->measure()->tick();
|
|
int tickNext = nextCR->tick() - baseTick;
|
|
if (tuplet) {
|
|
// for tuplets with odd ratios, apply ratio
|
|
// thus, we are performing calculation relative to apparent rather than actual beat
|
|
// for tuplets with even ratios, use actual beat
|
|
// see https://musescore.org/en/node/58061
|
|
Fraction r = tuplet->ratio();
|
|
if (r.numerator() & 1)
|
|
tickNext = (tickNext * r.numerator()) / r.denominator();
|
|
}
|
|
|
|
// determine the tick length of a chord with one beam level less than this
|
|
// (i.e. twice the ticks of this)
|
|
|
|
int tickMod = cr1->duration().ticks() * 2; // (tickNext - (crl[c1]->tick() - baseTick)) * 2;
|
|
|
|
// if this completes, within the measure or tuplet, a unit of tickMod length, flip beam to left
|
|
// (allow some tolerance for tick rounding in tuplets
|
|
// without tuplet tolerance, could be simplified)
|
|
|
|
static const int BEAM_TUPLET_TOLERANCE = 6;
|
|
int mod = tickNext % tickMod;
|
|
if (mod <= BEAM_TUPLET_TOLERANCE || (tickMod - mod) <= BEAM_TUPLET_TOLERANCE)
|
|
len = -len;
|
|
}
|
|
}
|
|
if (tab) {
|
|
if (len > 0)
|
|
x2 -= stemWidth * 0.5;
|
|
else
|
|
x2 += stemWidth * 0.5;
|
|
}
|
|
else {
|
|
bool stemUp = cr1->up();
|
|
if (stemUp && len > 0)
|
|
x2 -= stemWidth;
|
|
else if (!stemUp && len < 0)
|
|
x2 += stemWidth;
|
|
}
|
|
x3 = x2 + len;
|
|
}
|
|
//feathered beams
|
|
qreal yo = py1 + bl * _beamDist * _grow1;
|
|
qreal yoo = py1 + bl * _beamDist * _grow2;
|
|
qreal ly1 = (x2 - x1) * slope + yo;
|
|
qreal ly2 = (x3 - x1) * slope + yoo;
|
|
|
|
if (!qIsFinite(x2) || !qIsFinite(ly1)
|
|
|| !qIsFinite(x3) || !qIsFinite(ly2)) {
|
|
qDebug("bad beam segment: slope %f", slope);
|
|
}
|
|
else {
|
|
beamSegments.push_back(new QLineF(x2, ly1, x3, ly2));
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// calculate stem length
|
|
//
|
|
for (ChordRest* cr : crl) {
|
|
if (!cr->isChord())
|
|
continue;
|
|
Chord* c = toChord(cr);
|
|
if (c->hook())
|
|
score()->undoRemoveElement(c->hook());
|
|
|
|
QPointF stemPos(c->stemPos());
|
|
qreal x2 = stemPos.x() - _pagePos.x();
|
|
qreal y1 = (x2 - x1) * slope + py1 + _pagePos.y();
|
|
qreal y2 = stemPos.y();
|
|
qreal fuzz = _spatium * .1;
|
|
|
|
qreal by = y2 < y1 ? -1000000 : 1000000;
|
|
for (const QLineF* l : beamSegments) {
|
|
if ((x2+fuzz) >= l->x1() && (x2-fuzz) <= l->x2()) {
|
|
qreal y = (x2 - l->x1()) * slope + l->y1();
|
|
by = y2 < y1 ? qMax(by, y) : qMin(by, y);
|
|
}
|
|
}
|
|
if (by == -1000000 || by == 1000000) {
|
|
if (beamSegments.empty())
|
|
qDebug("no BeamSegments");
|
|
else {
|
|
qDebug("BeamSegment not found: x %f %f-%f",
|
|
x2, beamSegments.front()->x1(),
|
|
beamSegments.back()->x2());
|
|
}
|
|
by = 0;
|
|
}
|
|
|
|
Stem* stem = c->stem();
|
|
Shape& shape = c->segment()->staffShape(c->vStaffIdx());
|
|
|
|
if (stem) {
|
|
shape.remove(stem->shape());
|
|
|
|
qreal sw2 = stem->lineWidth() * .5;
|
|
if (c->up())
|
|
sw2 = -sw2;
|
|
stem->rxpos() = c->stemPosX() + sw2;
|
|
stem->setLen(y2 - (by + _pagePos.y()));
|
|
|
|
shape.add(stem->shape());
|
|
}
|
|
|
|
StemSlash* stemSlash = c->stemSlash();
|
|
if (stemSlash)
|
|
stemSlash->layout();
|
|
Tremolo* tremolo = c->tremolo();
|
|
if (tremolo)
|
|
tremolo->layout();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// spatiumChanged
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::spatiumChanged(qreal oldValue, qreal newValue)
|
|
{
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
if (_userModified[idx]) {
|
|
qreal diff = newValue / oldValue;
|
|
for (BeamFragment* f : fragments) {
|
|
f->py1[idx] = f->py1[idx] * diff;
|
|
f->py2[idx] = f->py2[idx] * diff;
|
|
}
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// write
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::write(XmlWriter& xml) const
|
|
{
|
|
if (_elements.empty())
|
|
return;
|
|
xml.stag(QString("Beam id=\"%1\"").arg(_id));
|
|
Element::writeProperties(xml);
|
|
|
|
writeProperty(xml, P_ID::STEM_DIRECTION);
|
|
writeProperty(xml, P_ID::DISTRIBUTE);
|
|
writeProperty(xml, P_ID::BEAM_NO_SLOPE);
|
|
writeProperty(xml, P_ID::GROW_LEFT);
|
|
writeProperty(xml, P_ID::GROW_RIGHT);
|
|
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
if (_userModified[idx]) {
|
|
qreal _spatium = spatium();
|
|
for (BeamFragment* f : fragments) {
|
|
xml.stag("Fragment");
|
|
xml.tag("y1", f->py1[idx] / _spatium);
|
|
xml.tag("y2", f->py2[idx] / _spatium);
|
|
xml.etag();
|
|
}
|
|
}
|
|
|
|
// this info is used for regression testing
|
|
// l1/l2 is the beam position of the layout engine
|
|
if (MScore::testMode) {
|
|
qreal _spatium4 = spatium() * .25;
|
|
for (BeamFragment* f : fragments) {
|
|
xml.tag("l1", int(lrint(f->py1[idx] / _spatium4)));
|
|
xml.tag("l2", int(lrint(f->py2[idx] / _spatium4)));
|
|
}
|
|
}
|
|
|
|
xml.etag();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// read
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::read(XmlReader& e)
|
|
{
|
|
QPointF p1, p2;
|
|
qreal _spatium = spatium();
|
|
_id = e.intAttribute("id");
|
|
while (e.readNextStartElement()) {
|
|
const QStringRef& tag(e.name());
|
|
if (tag == "StemDirection") {
|
|
setProperty(P_ID::STEM_DIRECTION, Ms::getProperty(P_ID::STEM_DIRECTION, e));
|
|
e.readNext();
|
|
}
|
|
else if (tag == "distribute")
|
|
setDistribute(e.readInt());
|
|
else if (tag == "noSlope") {
|
|
setNoSlope(e.readInt());
|
|
noSlopeStyle = PropertyStyle::UNSTYLED;
|
|
}
|
|
else if (tag == "growLeft")
|
|
setGrowLeft(e.readDouble());
|
|
else if (tag == "growRight")
|
|
setGrowRight(e.readDouble());
|
|
else if (tag == "y1") {
|
|
if (fragments.empty())
|
|
fragments.append(new BeamFragment);
|
|
BeamFragment* f = fragments.back();
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
_userModified[idx] = true;
|
|
f->py1[idx] = e.readDouble() * _spatium;
|
|
}
|
|
else if (tag == "y2") {
|
|
if (fragments.empty())
|
|
fragments.append(new BeamFragment);
|
|
BeamFragment* f = fragments.back();
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
_userModified[idx] = true;
|
|
f->py2[idx] = e.readDouble() * _spatium;
|
|
}
|
|
else if (tag == "Fragment") {
|
|
BeamFragment* f = new BeamFragment;
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
_userModified[idx] = true;
|
|
qreal _spatium = spatium();
|
|
|
|
while (e.readNextStartElement()) {
|
|
const QStringRef& tag(e.name());
|
|
if (tag == "y1")
|
|
f->py1[idx] = e.readDouble() * _spatium;
|
|
else if (tag == "y2")
|
|
f->py2[idx] = e.readDouble() * _spatium;
|
|
else
|
|
e.unknown();
|
|
}
|
|
fragments.append(f);
|
|
}
|
|
else if (tag == "l1" || tag == "l2") // ignore
|
|
e.skipCurrentElement();
|
|
else if (tag == "subtype") // obsolete
|
|
e.skipCurrentElement();
|
|
else if (!Element::readProperties(e))
|
|
e.unknown();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// editDrag
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::editDrag(const EditData& ed)
|
|
{
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
qreal dy = ed.delta.y();
|
|
BeamFragment* f = fragments[editFragment];
|
|
if (ed.curGrip == Grip::START)
|
|
f->py1[idx] += dy;
|
|
f->py2[idx] += dy;
|
|
_userModified[idx] = true;
|
|
setGenerated(false);
|
|
if (_elements.front()->isGrace())
|
|
layoutGraceNotes();
|
|
else
|
|
layout1();
|
|
layout();
|
|
for (ChordRest* cr : _elements) {
|
|
if (cr->tuplet())
|
|
cr->tuplet()->layout();
|
|
// TODO: would be nice to redraw stems while dragging beam,
|
|
// the following is not sufficient - a full (?) relayout would still be needed
|
|
//if (cr->type() == Element::Type::CHORD)
|
|
// static_cast<Chord*>(cr)->layoutStem();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// updateGrips
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::updateGrips(Grip* defaultGrip, QVector<QRectF>& grip) const
|
|
{
|
|
*defaultGrip = Grip::END;
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
BeamFragment* f = fragments[editFragment];
|
|
|
|
ChordRest* c1 = nullptr;
|
|
ChordRest* c2 = nullptr;
|
|
int n = _elements.size();
|
|
for (int i = 0; i < n; ++i) {
|
|
if (_elements[i]->isChordRest1()) {
|
|
c1 = static_cast<ChordRest*>(_elements[i]);
|
|
break;
|
|
}
|
|
}
|
|
for (int i = n-1; i >= 0; --i) {
|
|
if (_elements[i]->isChordRest1()) {
|
|
c2 = static_cast<ChordRest*>(_elements[i]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
int y = pagePos().y();
|
|
grip[0].translate(QPointF(c1->stemPosX() + c1->pageX(), f->py1[idx] + y));
|
|
grip[1].translate(QPointF(c2->stemPosX() + c2->pageX(), f->py2[idx] + y));
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// setBeamDirection
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::setBeamDirection(Direction d)
|
|
{
|
|
_direction = d;
|
|
if (d != Direction::AUTO)
|
|
_up = d == Direction::UP;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// reset
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::reset()
|
|
{
|
|
if (distribute())
|
|
undoChangeProperty(P_ID::DISTRIBUTE, false);
|
|
if (growLeft() != 1.0)
|
|
undoChangeProperty(P_ID::GROW_LEFT, 1.0);
|
|
if (growRight() != 1.0)
|
|
undoChangeProperty(P_ID::GROW_RIGHT, 1.0);
|
|
if (userModified()) {
|
|
undoChangeProperty(P_ID::BEAM_POS, QVariant(beamPos()));
|
|
undoChangeProperty(P_ID::USER_MODIFIED, false);
|
|
}
|
|
if (beamDirection() != Direction::AUTO)
|
|
undoChangeProperty(P_ID::STEM_DIRECTION, Direction(Direction::AUTO));
|
|
if (noSlopeStyle == PropertyStyle::UNSTYLED)
|
|
undoChangeProperty(P_ID::BEAM_NO_SLOPE, propertyDefault(P_ID::BEAM_NO_SLOPE), PropertyStyle::STYLED);
|
|
|
|
setGenerated(true);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// startEdit
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::startEdit(MuseScoreView*, const QPointF& p)
|
|
{
|
|
undoPushProperty(P_ID::BEAM_POS);
|
|
undoPushProperty(P_ID::USER_MODIFIED);
|
|
undoPushProperty(P_ID::GENERATED);
|
|
|
|
QPointF pt(p - pagePos());
|
|
qreal ydiff = 100000000.0;
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
int i = 0;
|
|
editFragment = 0;
|
|
for (BeamFragment* f : fragments) {
|
|
qreal d = fabs(f->py1[idx] - pt.y());
|
|
if (d < ydiff) {
|
|
ydiff = d;
|
|
editFragment = i;
|
|
}
|
|
++i;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// endEdit
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::endEdit()
|
|
{
|
|
Element::endEdit();
|
|
editFragment = -1;
|
|
triggerLayout();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// triggerLayout
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::triggerLayout() const
|
|
{
|
|
if (!_elements.empty()) {
|
|
_elements.front()->triggerLayout();
|
|
_elements.back()->triggerLayout();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// acceptDrop
|
|
//---------------------------------------------------------
|
|
|
|
bool Beam::acceptDrop(const DropData& data) const
|
|
{
|
|
return (data.element->type() == Element::Type::ICON)
|
|
&& ((static_cast<Icon*>(data.element)->iconType() == IconType::FBEAM1)
|
|
|| (static_cast<Icon*>(data.element)->iconType() == IconType::FBEAM2));
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// drop
|
|
//---------------------------------------------------------
|
|
|
|
Element* Beam::drop(const DropData& data)
|
|
{
|
|
Icon* e = static_cast<Icon*>(data.element);
|
|
if (e->type() != Element::Type::ICON)
|
|
return 0;
|
|
qreal g1;
|
|
qreal g2;
|
|
|
|
if (e->iconType() == IconType::FBEAM1) {
|
|
g1 = 1.0;
|
|
g2 = 0.0;
|
|
}
|
|
else if (e->iconType() == IconType::FBEAM2) {
|
|
g1 = 0.0;
|
|
g2 = 1.0;
|
|
}
|
|
else
|
|
return 0;
|
|
if (g1 != growLeft())
|
|
undoChangeProperty(P_ID::GROW_LEFT, g1);
|
|
if (g2 != growRight())
|
|
undoChangeProperty(P_ID::GROW_RIGHT, g2);
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// beamPos
|
|
// misuse QPointF for y1-y2 real values
|
|
//---------------------------------------------------------
|
|
|
|
QPointF Beam::beamPos() const
|
|
{
|
|
if (fragments.empty())
|
|
return QPointF(0.0, 0.0);
|
|
BeamFragment* f = fragments.back();
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
qreal _spatium = spatium();
|
|
return QPointF(f->py1[idx] / _spatium, f->py2[idx] / _spatium);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// setBeamPos
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::setBeamPos(const QPointF& bp)
|
|
{
|
|
if (fragments.empty())
|
|
fragments.append(new BeamFragment);
|
|
BeamFragment* f = fragments.back();
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
_userModified[idx] = true;
|
|
setGenerated(false);
|
|
qreal _spatium = spatium();
|
|
f->py1[idx] = bp.x() * _spatium;
|
|
f->py2[idx] = bp.y() * _spatium;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// userModified
|
|
//---------------------------------------------------------
|
|
|
|
bool Beam::userModified() const
|
|
{
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
return _userModified[idx];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// setUserModified
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::setUserModified(bool val)
|
|
{
|
|
int idx = (_direction == Direction::AUTO || _direction == Direction::DOWN) ? 0 : 1;
|
|
_userModified[idx] = val;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// getProperty
|
|
//---------------------------------------------------------
|
|
|
|
QVariant Beam::getProperty(P_ID propertyId) const
|
|
{
|
|
switch (propertyId) {
|
|
case P_ID::STEM_DIRECTION: return beamDirection();
|
|
case P_ID::DISTRIBUTE: return distribute();
|
|
case P_ID::GROW_LEFT: return growLeft();
|
|
case P_ID::GROW_RIGHT: return growRight();
|
|
case P_ID::USER_MODIFIED: return userModified();
|
|
case P_ID::BEAM_POS: return beamPos();
|
|
case P_ID::BEAM_NO_SLOPE: return noSlope();
|
|
default:
|
|
return Element::getProperty(propertyId);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// setProperty
|
|
//---------------------------------------------------------
|
|
|
|
bool Beam::setProperty(P_ID propertyId, const QVariant& v)
|
|
{
|
|
switch (propertyId) {
|
|
case P_ID::STEM_DIRECTION:
|
|
setBeamDirection(v.value<Direction>());
|
|
break;
|
|
case P_ID::DISTRIBUTE:
|
|
setDistribute(v.toBool());
|
|
break;
|
|
case P_ID::GROW_LEFT:
|
|
setGrowLeft(v.toDouble());
|
|
break;
|
|
case P_ID::GROW_RIGHT:
|
|
setGrowRight(v.toDouble());
|
|
break;
|
|
case P_ID::USER_MODIFIED:
|
|
setUserModified(v.toBool());
|
|
break;
|
|
case P_ID::BEAM_POS:
|
|
if (userModified())
|
|
setBeamPos(v.toPointF());
|
|
break;
|
|
case P_ID::BEAM_NO_SLOPE:
|
|
setNoSlope(v.toBool());
|
|
noSlopeStyle = PropertyStyle::UNSTYLED;
|
|
break;
|
|
default:
|
|
if (!Element::setProperty(propertyId, v))
|
|
return false;
|
|
break;
|
|
}
|
|
if (!_elements.empty()) {
|
|
score()->setLayout(_elements.front()->tick());
|
|
score()->setLayout(_elements.back()->tick());
|
|
}
|
|
setGenerated(false);
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// propertyDefault
|
|
//---------------------------------------------------------
|
|
|
|
QVariant Beam::propertyDefault(P_ID id) const
|
|
{
|
|
switch (id) {
|
|
case P_ID::STEM_DIRECTION: return Direction(Direction::AUTO);
|
|
case P_ID::DISTRIBUTE: return false;
|
|
case P_ID::GROW_LEFT: return 1.0;
|
|
case P_ID::GROW_RIGHT: return 1.0;
|
|
case P_ID::USER_MODIFIED: return false;
|
|
case P_ID::BEAM_POS: return beamPos();
|
|
case P_ID::BEAM_NO_SLOPE: return score()->styleB(StyleIdx::beamNoSlope);
|
|
default: return Element::propertyDefault(id);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// propertyStyle
|
|
//---------------------------------------------------------
|
|
|
|
PropertyStyle Beam::propertyStyle(P_ID id) const
|
|
{
|
|
switch (id) {
|
|
case P_ID::BEAM_NO_SLOPE:
|
|
return noSlopeStyle;
|
|
|
|
default:
|
|
return Element::propertyStyle(id);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// resetProperty
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::resetProperty(P_ID id)
|
|
{
|
|
switch (id) {
|
|
case P_ID::BEAM_NO_SLOPE:
|
|
setNoSlope(score()->styleB(StyleIdx::beamNoSlope));
|
|
noSlopeStyle = PropertyStyle::STYLED;
|
|
break;
|
|
|
|
default:
|
|
return Element::resetProperty(id);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// styleChanged
|
|
// reset all styled values to actual style
|
|
//---------------------------------------------------------
|
|
|
|
void Beam::styleChanged()
|
|
{
|
|
if (noSlopeStyle == PropertyStyle::STYLED)
|
|
setNoSlope(score()->styleB(StyleIdx::beamNoSlope));
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// shape
|
|
//---------------------------------------------------------
|
|
|
|
Shape Beam::shape() const
|
|
{
|
|
Shape shape;
|
|
shape.add(bbox());
|
|
return shape;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// getPropertyStyle
|
|
//---------------------------------------------------------
|
|
|
|
StyleIdx Beam::getPropertyStyle(P_ID id) const
|
|
{
|
|
switch (id) {
|
|
case P_ID::BEAM_NO_SLOPE:
|
|
return StyleIdx::beamNoSlope;
|
|
default:
|
|
break;
|
|
}
|
|
return StyleIdx::NOSTYLE;
|
|
}
|
|
|
|
}
|
|
|