1120 lines
33 KiB
C++
1120 lines
33 KiB
C++
/*
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* SPDX-License-Identifier: GPL-3.0-only
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* MuseScore-CLA-applies
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*
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* MuseScore
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* Music Composition & Notation
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*
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* Copyright (C) 2021 MuseScore BVBA and others
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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 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "utils.h"
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#include <cmath>
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#include <QtMath>
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#include <QRegularExpression>
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#include "translation.h"
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#include "config.h"
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#include "score.h"
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#include "page.h"
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#include "segment.h"
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#include "clef.h"
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#include "system.h"
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#include "measure.h"
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#include "pitchspelling.h"
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#include "chordrest.h"
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#include "part.h"
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#include "staff.h"
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#include "note.h"
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#include "chord.h"
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#include "key.h"
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#include "sig.h"
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#include "tuplet.h"
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#include "symid.h"
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using namespace mu;
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namespace Ms {
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//---------------------------------------------------------
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// handleRect
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//---------------------------------------------------------
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RectF handleRect(const PointF& pos)
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{
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return RectF(pos.x() - 4, pos.y() - 4, 8, 8);
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}
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//---------------------------------------------------------
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// tick2measure
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//---------------------------------------------------------
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Measure* Score::tick2measure(const Fraction& tick) const
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{
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if (tick == Fraction(-1, 1)) { // special number
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return lastMeasure();
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}
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if (tick <= Fraction(0, 1)) {
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return firstMeasure();
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}
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Measure* lm = 0;
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for (Measure* m = firstMeasure(); m; m = m->nextMeasure()) {
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if (tick < m->tick()) {
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Q_ASSERT(lm);
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return lm;
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}
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lm = m;
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}
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// check last measure
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if (lm && (tick >= lm->tick()) && (tick <= lm->endTick())) {
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return lm;
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}
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qDebug("tick2measure %d (max %d) not found", tick.ticks(), lm ? lm->tick().ticks() : -1);
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return 0;
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}
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//---------------------------------------------------------
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// tick2measureMM
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//---------------------------------------------------------
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Measure* Score::tick2measureMM(const Fraction& t) const
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{
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Fraction tick(t);
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if (tick == Fraction(-1, 1)) {
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return lastMeasureMM();
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}
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if (tick < Fraction(0, 1)) {
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tick = Fraction(0, 1);
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}
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Measure* lm = 0;
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for (Measure* m = firstMeasureMM(); m; m = m->nextMeasureMM()) {
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if (tick < m->tick()) {
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Q_ASSERT(lm);
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return lm;
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}
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lm = m;
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}
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// check last measure
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if (lm && (tick >= lm->tick()) && (tick <= lm->endTick())) {
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return lm;
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}
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qDebug("tick2measureMM %d (max %d) not found", tick.ticks(), lm ? lm->tick().ticks() : -1);
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return 0;
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}
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//---------------------------------------------------------
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// tick2measureBase
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//---------------------------------------------------------
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MeasureBase* Score::tick2measureBase(const Fraction& tick) const
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{
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for (MeasureBase* mb = first(); mb; mb = mb->next()) {
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Fraction st = mb->tick();
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Fraction l = mb->ticks();
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if (tick >= st && tick < (st + l)) {
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return mb;
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}
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}
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// qDebug("tick2measureBase %d not found", tick);
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return 0;
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}
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//---------------------------------------------------------
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// tick2segment
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//---------------------------------------------------------
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Segment* Score::tick2segmentMM(const Fraction& tick, bool first, SegmentType st) const
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{
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return tick2segment(tick, first, st, true);
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}
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Segment* Score::tick2segmentMM(const Fraction& tick) const
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{
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return tick2segment(tick, false, SegmentType::All, true);
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}
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Segment* Score::tick2segmentMM(const Fraction& tick, bool first) const
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{
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return tick2segment(tick, first, SegmentType::All, true);
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}
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Segment* Score::tick2segment(const Fraction& t, bool first, SegmentType st, bool useMMrest) const
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{
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Fraction tick(t);
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Measure* m;
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if (useMMrest) {
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m = tick2measureMM(tick);
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// When mmRest force tick to the first segment of mmRest.
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if (m && m->isMMRest() && tick != m->endTick()) {
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tick = m->tick();
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}
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} else {
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m = tick2measure(tick);
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}
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if (m == 0) {
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qDebug("no measure for tick %d", tick.ticks());
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return 0;
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}
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for (Segment* segment = m->first(st); segment;) {
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Fraction t1 = segment->tick();
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Segment* nsegment = segment->next(st);
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if (tick == t1) {
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if (first) {
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return segment;
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} else {
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if (!nsegment || tick < nsegment->tick()) {
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return segment;
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}
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}
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}
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segment = nsegment;
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}
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qDebug("no segment for tick %d (start search at %d (measure %d))", tick.ticks(), t.ticks(), m->tick().ticks());
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return 0;
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}
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Segment* Score::tick2segment(const Fraction& tick) const
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{
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return tick2segment(tick, false, SegmentType::All, false);
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}
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Segment* Score::tick2segment(const Fraction& tick, bool first) const
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{
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return tick2segment(tick, first, SegmentType::All, false);
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}
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//---------------------------------------------------------
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// tick2leftSegment
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/// return the segment at this tick position if any or
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/// the first segment *before* this tick position
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//---------------------------------------------------------
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Segment* Score::tick2leftSegment(const Fraction& tick, bool useMMrest) const
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{
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Measure* m = useMMrest ? tick2measureMM(tick) : tick2measure(tick);
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if (m == 0) {
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qDebug("tick2leftSegment(): not found tick %d", tick.ticks());
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return 0;
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}
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// loop over all segments
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Segment* ps = 0;
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for (Segment* s = m->first(SegmentType::ChordRest); s; s = s->next(SegmentType::ChordRest)) {
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if (tick < s->tick()) {
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return ps;
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} else if (tick == s->tick()) {
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return s;
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}
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ps = s;
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}
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return ps;
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}
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//---------------------------------------------------------
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// tick2rightSegment
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/// return the segment at this tick position if any or
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/// the first segment *after* this tick position
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//---------------------------------------------------------
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Segment* Score::tick2rightSegment(const Fraction& tick, bool useMMrest) const
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{
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Measure* m = useMMrest ? tick2measureMM(tick) : tick2measure(tick);
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if (m == 0) {
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qDebug("tick2nearestSegment(): not found tick %d", tick.ticks());
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return 0;
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}
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// loop over all segments
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for (Segment* s = m->first(SegmentType::ChordRest); s; s = s->next1(SegmentType::ChordRest)) {
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if (tick <= s->tick()) {
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return s;
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}
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}
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return 0;
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}
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//---------------------------------------------------------
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// tick2beatType
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//---------------------------------------------------------
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BeatType Score::tick2beatType(const Fraction& tick)
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{
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Measure* m = tick2measure(tick);
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Fraction msrTick = m->tick();
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TimeSigFrac timeSig = sigmap()->timesig(msrTick).nominal();
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int rtick = (tick - msrTick).ticks();
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if (m->isAnacrusis()) { // measure is incomplete (anacrusis)
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rtick += timeSig.ticksPerMeasure() - m->ticks().ticks();
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}
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return timeSig.rtick2beatType(rtick);
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}
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//---------------------------------------------------------
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// getStaff
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//---------------------------------------------------------
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int getStaff(System* system, const PointF& p)
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{
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PointF pp = p - system->page()->pos() - system->pos();
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for (int i = 0; i < system->page()->score()->nstaves(); ++i) {
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qreal sp = system->spatium();
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RectF r = system->bboxStaff(i).adjusted(0.0, -sp, 0.0, sp);
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if (r.contains(pp)) {
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return i;
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}
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}
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return -1;
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}
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//---------------------------------------------------------
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// nextSeg
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//---------------------------------------------------------
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Fraction Score::nextSeg(const Fraction& tick, int track)
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{
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Segment* seg = tick2segment(tick);
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while (seg) {
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seg = seg->next1(SegmentType::ChordRest);
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if (seg == 0) {
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break;
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}
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if (seg->element(track)) {
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break;
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}
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}
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return seg ? seg->tick() : Fraction(-1, 1);
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}
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//---------------------------------------------------------
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// nextSeg1
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//---------------------------------------------------------
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Segment* nextSeg1(Segment* seg, int& track)
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{
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int staffIdx = track / VOICES;
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int startTrack = staffIdx * VOICES;
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int endTrack = startTrack + VOICES;
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while ((seg = seg->next1(SegmentType::ChordRest))) {
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for (int t = startTrack; t < endTrack; ++t) {
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if (seg->element(t)) {
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track = t;
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return seg;
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}
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}
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}
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return 0;
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}
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//---------------------------------------------------------
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// prevSeg1
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//---------------------------------------------------------
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Segment* prevSeg1(Segment* seg, int& track)
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{
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int staffIdx = track / VOICES;
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int startTrack = staffIdx * VOICES;
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int endTrack = startTrack + VOICES;
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while ((seg = seg->prev1(SegmentType::ChordRest))) {
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for (int t = startTrack; t < endTrack; ++t) {
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if (seg->element(t)) {
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track = t;
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return seg;
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}
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}
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}
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return 0;
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}
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//---------------------------------------------------------
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// next/prevChordNote
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//
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// returns the top note of the next/previous chord. If a
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// chord exists in the same track as note,
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// it is used. If not, the topmost existing chord is used.
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// May return nullptr if there is no next/prev note
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//---------------------------------------------------------
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Note* nextChordNote(Note* note)
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{
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int track = note->track();
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int fromTrack = (track / VOICES) * VOICES;
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int toTrack = fromTrack + VOICES;
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// TODO : limit to same instrument, not simply to same staff!
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Segment* seg = note->chord()->segment()->nextCR(track, true);
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while (seg) {
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Element* targetElement = seg->elementAt(track);
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// if a chord exists in the same track, return its top note
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if (targetElement && targetElement->isChord()) {
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return toChord(targetElement)->upNote();
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}
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// if not, return topmost chord in track range
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for (int i = fromTrack; i < toTrack; i++) {
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targetElement = seg->elementAt(i);
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if (targetElement && targetElement->isChord()) {
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return toChord(targetElement)->upNote();
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}
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}
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seg = seg->nextCR(track, true);
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}
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return nullptr;
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}
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Note* prevChordNote(Note* note)
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{
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int track = note->track();
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int fromTrack = (track / VOICES) * VOICES;
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int toTrack = fromTrack + VOICES;
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// TODO : limit to same instrument, not simply to same staff!
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Segment* seg = note->chord()->segment()->prev1();
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while (seg) {
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if (seg->segmentType() == SegmentType::ChordRest) {
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Element* targetElement = seg->elementAt(track);
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// if a chord exists in the same track, return its top note
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if (targetElement && targetElement->isChord()) {
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return toChord(targetElement)->upNote();
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}
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// if not, return topmost chord in track range
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for (int i = fromTrack; i < toTrack; i++) {
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targetElement = seg->elementAt(i);
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if (targetElement && targetElement->isChord()) {
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return toChord(targetElement)->upNote();
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}
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}
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}
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seg = seg->prev1();
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}
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return nullptr;
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}
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//---------------------------------------------------------
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// pitchKeyAdjust
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// change entered note to sounding pitch dependent
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// on key.
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// Example: if F is entered in G-major, a Fis is played
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// key -7 ... +7
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//---------------------------------------------------------
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int pitchKeyAdjust(int step, Key key)
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{
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static int ptab[15][7] = {
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// c d e f g a b
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{ -1, 1, 3, 4, 6, 8, 10 }, // Bes
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{ -1, 1, 3, 5, 6, 8, 10 }, // Ges
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{ 0, 1, 3, 5, 6, 8, 10 }, // Des
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{ 0, 1, 3, 5, 7, 8, 10 }, // As
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{ 0, 2, 3, 5, 7, 8, 10 }, // Es
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{ 0, 2, 3, 5, 7, 9, 10 }, // B
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{ 0, 2, 4, 5, 7, 9, 10 }, // F
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{ 0, 2, 4, 5, 7, 9, 11 }, // C
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{ 0, 2, 4, 6, 7, 9, 11 }, // G
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{ 1, 2, 4, 6, 7, 9, 11 }, // D
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{ 1, 2, 4, 6, 8, 9, 11 }, // A
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{ 1, 3, 4, 6, 8, 9, 11 }, // E
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{ 1, 3, 4, 6, 8, 10, 11 }, // H
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{ 1, 3, 5, 6, 8, 10, 11 }, // Fis
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{ 1, 3, 5, 6, 8, 10, 12 }, // Cis
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};
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return ptab[int(key) + 7][step];
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}
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//---------------------------------------------------------
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// y2pitch
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//---------------------------------------------------------
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int y2pitch(qreal y, ClefType clef, qreal _spatium)
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{
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int l = lrint(y / _spatium * 2.0);
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return line2pitch(l, clef, Key::C);
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}
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//---------------------------------------------------------
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// line2pitch
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// key -7 ... +7
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//---------------------------------------------------------
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int line2pitch(int line, ClefType clef, Key key)
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{
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int l = ClefInfo::pitchOffset(clef) - line;
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int octave = 0;
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while (l < 0) {
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l += 7;
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octave++;
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}
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octave += l / 7;
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l = l % 7;
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int pitch = pitchKeyAdjust(l, key) + octave * 12;
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if (pitch > 127) {
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pitch = 127;
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} else if (pitch < 0) {
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pitch = 0;
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}
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return pitch;
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}
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//---------------------------------------------------------
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// quantizeLen
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//---------------------------------------------------------
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int quantizeLen(int len, int raster)
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{
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if (raster == 0) {
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return len;
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}
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return int(((float)len / raster) + 0.5) * raster; //round to the closest multiple of raster
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}
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static const char* vall[] = {
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QT_TRANSLATE_NOOP("utils", "c"),
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QT_TRANSLATE_NOOP("utils", "c♯"),
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QT_TRANSLATE_NOOP("utils", "d"),
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QT_TRANSLATE_NOOP("utils", "d♯"),
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QT_TRANSLATE_NOOP("utils", "e"),
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QT_TRANSLATE_NOOP("utils", "f"),
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QT_TRANSLATE_NOOP("utils", "f♯"),
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QT_TRANSLATE_NOOP("utils", "g"),
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QT_TRANSLATE_NOOP("utils", "g♯"),
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QT_TRANSLATE_NOOP("utils", "a"),
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QT_TRANSLATE_NOOP("utils", "a♯"),
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QT_TRANSLATE_NOOP("utils", "b")
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};
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static const char* valu[] = {
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QT_TRANSLATE_NOOP("utils", "C"),
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QT_TRANSLATE_NOOP("utils", "C♯"),
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QT_TRANSLATE_NOOP("utils", "D"),
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QT_TRANSLATE_NOOP("utils", "D♯"),
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QT_TRANSLATE_NOOP("utils", "E"),
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QT_TRANSLATE_NOOP("utils", "F"),
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QT_TRANSLATE_NOOP("utils", "F♯"),
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QT_TRANSLATE_NOOP("utils", "G"),
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QT_TRANSLATE_NOOP("utils", "G♯"),
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QT_TRANSLATE_NOOP("utils", "A"),
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QT_TRANSLATE_NOOP("utils", "A♯"),
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QT_TRANSLATE_NOOP("utils", "B")
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};
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/*!
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* Returns the string representation of the given pitch.
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*
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* Returns the latin letter name, accidental, and octave numeral.
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* Uses upper case only for pitches 0-24.
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*
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* @param v
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* The pitch number of the note.
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*
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* @return
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* The string representation of the note.
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*/
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QString pitch2string(int v)
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{
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if (v < 0 || v > 127) {
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return QString("----");
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}
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int octave = (v / 12) - 1;
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QString o;
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o = QString::asprintf("%d", octave);
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int i = v % 12;
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return qtrc("utils", octave < 0 ? valu[i] : vall[i]) + o;
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}
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|
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/*!
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* An array of all supported interval sorted by size.
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*
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* Because intervals can be spelled differently, this array
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* tracks all the different valid intervals. They are arranged
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* in diatonic then chromatic order.
|
|
*/
|
|
Interval intervalList[intervalListSize] = {
|
|
// diatonic - chromatic
|
|
Interval(0, 0), // 0 Perfect Unison
|
|
Interval(0, 1), // 1 Augmented Unison
|
|
|
|
Interval(1, 0), // 2 Diminished Second
|
|
Interval(1, 1), // 3 Minor Second
|
|
Interval(1, 2), // 4 Major Second
|
|
Interval(1, 3), // 5 Augmented Second
|
|
|
|
Interval(2, 2), // 6 Diminished Third
|
|
Interval(2, 3), // 7 Minor Third
|
|
Interval(2, 4), // 8 Major Third
|
|
Interval(2, 5), // 9 Augmented Third
|
|
|
|
Interval(3, 4), // 10 Diminished Fourth
|
|
Interval(3, 5), // 11 Perfect Fourth
|
|
Interval(3, 6), // 12 Augmented Fourth
|
|
|
|
Interval(4, 6), // 13 Diminished Fifth
|
|
Interval(4, 7), // 14 Perfect Fifth
|
|
Interval(4, 8), // 15 Augmented Fifth
|
|
|
|
Interval(5, 7), // 16 Diminished Sixth
|
|
Interval(5, 8), // 17 Minor Sixth
|
|
Interval(5, 9), // 18 Major Sixth
|
|
Interval(5, 10), // 19 Augmented Sixth
|
|
|
|
Interval(6, 9), // 20 Diminished Seventh
|
|
Interval(6, 10), // 21 Minor Seventh
|
|
Interval(6, 11), // 22 Major Seventh
|
|
Interval(6, 12), // 23 Augmented Seventh
|
|
|
|
Interval(7, 11), // 24 Diminshed Octave
|
|
Interval(7, 12) // 25 Perfect Octave
|
|
};
|
|
|
|
/*!
|
|
* Finds the most likely diatonic interval for a semitone distance.
|
|
*
|
|
* Uses the most common diatonic intervals.
|
|
*
|
|
* @param
|
|
* The number of semitones in the chromatic interval.
|
|
* Negative semitones will simply be made positive.
|
|
*
|
|
* @return
|
|
* The number of diatonic steps in the interval.
|
|
*/
|
|
|
|
int chromatic2diatonic(int semitones)
|
|
{
|
|
static int il[12] = {
|
|
0, // Perfect Unison
|
|
3, // Minor Second
|
|
4, // Major Second
|
|
7, // Minor Third
|
|
8, // Major Third
|
|
11, // Perfect Fourth
|
|
12, // Augmented Fourth
|
|
14, // Perfect Fifth
|
|
17, // Minor Sixth
|
|
18, // Major Sixth
|
|
21, // Minor Seventh
|
|
22, // Major Seventh
|
|
// 25 Perfect Octave
|
|
};
|
|
bool down = semitones < 0;
|
|
if (down) {
|
|
semitones = -semitones;
|
|
}
|
|
int val = semitones % 12;
|
|
int octave = semitones / 12;
|
|
int intervalIndex = il[val];
|
|
int steps = intervalList[intervalIndex].diatonic;
|
|
steps = steps + octave * 7;
|
|
return down ? -steps : steps;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// searchInterval
|
|
//---------------------------------------------------------
|
|
|
|
int searchInterval(int steps, int semitones)
|
|
{
|
|
unsigned n = sizeof(intervalList) / sizeof(*intervalList);
|
|
for (unsigned i = 0; i < n; ++i) {
|
|
if ((intervalList[i].diatonic == steps) && (intervalList[i].chromatic == semitones)) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int _majorVersion, _minorVersion, _patchVersion;
|
|
|
|
/*!
|
|
* Returns the program version
|
|
*
|
|
* @return
|
|
* Version in the format: MMmmpp
|
|
* Where M=Major, m=minor, and p=patch
|
|
*/
|
|
|
|
int version()
|
|
{
|
|
QRegularExpression versionRegEx("(\\d+)\\.(\\d+)\\.(\\d+)");
|
|
QRegularExpressionMatch versionMatch = versionRegEx.match(VERSION);
|
|
if (versionMatch.hasMatch()) {
|
|
QStringList versionStringList = versionMatch.capturedTexts();
|
|
if (versionStringList.size() == 4) {
|
|
_majorVersion = versionStringList[1].toInt();
|
|
_minorVersion = versionStringList[2].toInt();
|
|
_patchVersion = versionStringList[3].toInt();
|
|
return _majorVersion * 10000 + _minorVersion * 100 + _patchVersion;
|
|
}
|
|
}
|
|
qDebug() << "Could not parse version:" << VERSION;
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// majorVersion
|
|
//---------------------------------------------------------
|
|
|
|
int majorVersion()
|
|
{
|
|
version();
|
|
return _majorVersion;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// minorVersion
|
|
//---------------------------------------------------------
|
|
|
|
int minorVersion()
|
|
{
|
|
version();
|
|
return _minorVersion;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// patchVersion
|
|
//---------------------------------------------------------
|
|
|
|
int patchVersion()
|
|
{
|
|
version();
|
|
return _patchVersion;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// compareVersion
|
|
/// Up to 4 digits X.X.X.X
|
|
/// Each digit can be double XX.XX.XX.XX
|
|
/// return true if v1 < v2
|
|
//---------------------------------------------------------
|
|
|
|
bool compareVersion(QString v1, QString v2)
|
|
{
|
|
auto v1l = v1.split(".");
|
|
auto v2l = v2.split(".");
|
|
int ma = qPow(100, qMax(v1l.size(), v2l.size()));
|
|
int m = ma;
|
|
int vv1 = 0;
|
|
for (int i = 0; i < v1l.size(); i++) {
|
|
vv1 += (m * v1l[i].toInt());
|
|
m /= 100;
|
|
}
|
|
m = ma;
|
|
int vv2 = 0;
|
|
for (int i = 0; i < v2l.size(); i++) {
|
|
vv2 += (m * v2l[i].toInt());
|
|
m /= 100;
|
|
}
|
|
|
|
return vv1 < vv2;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// diatonicUpDown
|
|
// used to find the second note of a trill, mordent etc.
|
|
// key -7 ... +7
|
|
//---------------------------------------------------------
|
|
|
|
int diatonicUpDown(Key k, int pitch, int steps)
|
|
{
|
|
static int ptab[15][7] = {
|
|
// c c# d d# e f f# g g# a a# b
|
|
{ -1, 1, 3, 4, 6, 8, 10 }, // Cb Ces
|
|
{ -1, 1, 3, 5, 6, 8, 10 }, // Gb Ges
|
|
{ 0, 1, 3, 5, 6, 8, 10 }, // Db Des
|
|
{ 0, 1, 3, 5, 7, 8, 10 }, // Ab As
|
|
{ 0, 2, 3, 5, 7, 8, 10 }, // Eb Es
|
|
{ 0, 2, 3, 5, 7, 9, 10 }, // Bb B
|
|
{ 0, 2, 4, 5, 7, 9, 10 }, // F F
|
|
|
|
{ 0, 2, 4, 5, 7, 9, 11 }, // C C
|
|
|
|
{ 0, 2, 4, 6, 7, 9, 11 }, // G G
|
|
{ 1, 2, 4, 6, 7, 9, 11 }, // D D
|
|
{ 1, 2, 4, 6, 8, 9, 11 }, // A A
|
|
{ 1, 3, 4, 6, 8, 9, 11 }, // E E
|
|
{ 1, 3, 4, 6, 8, 10, 11 }, // B H
|
|
{ 1, 3, 5, 6, 8, 10, 11 }, // F# Fis
|
|
{ 1, 3, 5, 6, 8, 10, 12 }, // C# Cis
|
|
};
|
|
|
|
int key = int(k) + 7;
|
|
int step = pitch % 12;
|
|
int octave = pitch / 12;
|
|
|
|
// loop through the diatonic steps of the key looking for the given note
|
|
// or the gap where it would fit
|
|
int i = 0;
|
|
while (i < 7) {
|
|
if (ptab[key][i] >= step) {
|
|
break;
|
|
}
|
|
++i;
|
|
}
|
|
|
|
// neither step nor gap found
|
|
// reset to beginning
|
|
if (i == 7) {
|
|
++octave;
|
|
i = 0;
|
|
}
|
|
// if given step not found (gap found instead), and we are stepping up
|
|
// then we've already accounted for one step
|
|
if (ptab[key][i] > step && steps > 0) {
|
|
--steps;
|
|
}
|
|
|
|
// now start counting diatonic steps up or down
|
|
if (steps > 0) {
|
|
// count up
|
|
while (steps--) {
|
|
++i;
|
|
if (i == 7) {
|
|
// hit last step; reset to beginning
|
|
++octave;
|
|
i = 0;
|
|
}
|
|
}
|
|
} else if (steps < 0) {
|
|
// count down
|
|
while (steps++) {
|
|
--i;
|
|
if (i < 0) {
|
|
// hit first step; reset to end
|
|
--octave;
|
|
i = 6;
|
|
}
|
|
}
|
|
}
|
|
|
|
// convert step to pitch
|
|
step = ptab[key][i];
|
|
pitch = octave * 12 + step;
|
|
if (pitch < 0) {
|
|
pitch = 0;
|
|
}
|
|
if (pitch > 127) {
|
|
pitch = 128;
|
|
}
|
|
return pitch;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// searchTieNote
|
|
// search Note to tie to "note"
|
|
//---------------------------------------------------------
|
|
|
|
Note* searchTieNote(Note* note)
|
|
{
|
|
if (!note) {
|
|
return nullptr;
|
|
}
|
|
|
|
Note* note2 = 0;
|
|
Chord* chord = note->chord();
|
|
Segment* seg = chord->segment();
|
|
Part* part = chord->part();
|
|
int strack = part->staves()->front()->idx() * VOICES;
|
|
int etrack = strack + part->staves()->size() * VOICES;
|
|
|
|
if (chord->isGraceBefore()) {
|
|
chord = toChord(chord->parent());
|
|
|
|
// try to tie to next grace note
|
|
|
|
int index = note->chord()->graceIndex();
|
|
for (Chord* c : chord->graceNotes()) {
|
|
if (c->graceIndex() == index + 1) {
|
|
note2 = c->findNote(note->pitch());
|
|
if (note2) {
|
|
//printf("found grace-grace tie\n");
|
|
return note2;
|
|
}
|
|
}
|
|
}
|
|
|
|
// try to tie to note in parent chord
|
|
note2 = chord->findNote(note->pitch());
|
|
if (note2) {
|
|
return note2;
|
|
}
|
|
} else if (chord->isGraceAfter()) {
|
|
// grace after
|
|
// we will try to tie to note in next normal chord, below
|
|
// meanwhile, set chord to parent chord so the endTick calculation will make sense
|
|
chord = toChord(chord->parent());
|
|
} else {
|
|
// normal chord
|
|
// try to tie to grace note after if present
|
|
QVector<Chord*> gna = chord->graceNotesAfter();
|
|
if (!gna.empty()) {
|
|
Chord* gc = gna[0];
|
|
note2 = gc->findNote(note->pitch());
|
|
if (note2) {
|
|
return note2;
|
|
}
|
|
}
|
|
}
|
|
// at this point, chord is a regular chord, not a grace chord
|
|
// and we are looking for a note in the *next* chord (grace or regular)
|
|
|
|
// calculate end of current note duration
|
|
// but err on the safe side in case there is roundoff in tick count
|
|
Fraction endTick = chord->tick() + chord->actualTicks() - Fraction(1, 4 * 480);
|
|
|
|
int idx1 = note->unisonIndex();
|
|
while ((seg = seg->next1(SegmentType::ChordRest))) {
|
|
// skip ahead to end of current note duration as calculated above
|
|
// but just in case, stop if we find element in current track
|
|
if (seg->tick() < endTick && !seg->element(chord->track())) {
|
|
continue;
|
|
}
|
|
for (int track = strack; track < etrack; ++track) {
|
|
Element* e = seg->element(track);
|
|
if (e == 0 || !e->isChord()) {
|
|
continue;
|
|
}
|
|
Chord* c = toChord(e);
|
|
const int staffIdx = c->staffIdx() + c->staffMove();
|
|
if (staffIdx != chord->staffIdx() + chord->staffMove()) {
|
|
// this check is needed as we are iterating over all staves to capture cross-staff chords
|
|
continue;
|
|
}
|
|
// if there are grace notes before, try to tie to first one
|
|
QVector<Chord*> gnb = c->graceNotesBefore();
|
|
if (!gnb.empty()) {
|
|
Chord* gc = gnb[0];
|
|
Note* gn2 = gc->findNote(note->pitch());
|
|
if (gn2) {
|
|
return gn2;
|
|
}
|
|
}
|
|
int idx2 = 0;
|
|
for (Note* n : c->notes()) {
|
|
if (n->pitch() == note->pitch()) {
|
|
if (idx1 == idx2) {
|
|
if (note2 == 0 || c->track() == chord->track()) {
|
|
note2 = n;
|
|
break;
|
|
}
|
|
} else {
|
|
++idx2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (note2) {
|
|
break;
|
|
}
|
|
}
|
|
return note2;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// searchTieNote114
|
|
// search Note to tie to "note", tie to next note in
|
|
// same voice
|
|
//---------------------------------------------------------
|
|
|
|
Note* searchTieNote114(Note* note)
|
|
{
|
|
Note* note2 = 0;
|
|
Chord* chord = note->chord();
|
|
Segment* seg = chord->segment();
|
|
Part* part = chord->part();
|
|
int strack = part->staves()->front()->idx() * VOICES;
|
|
int etrack = strack + part->staves()->size() * VOICES;
|
|
|
|
while ((seg = seg->next1(SegmentType::ChordRest))) {
|
|
for (int track = strack; track < etrack; ++track) {
|
|
Element* e = seg->element(track);
|
|
if (e == 0 || (!e->isChord()) || (e->track() != chord->track())) {
|
|
continue;
|
|
}
|
|
Chord* c = toChord(e);
|
|
int staffIdx = c->staffIdx() + c->staffMove();
|
|
if (staffIdx != chord->staffIdx() + chord->staffMove()) { // cannot happen?
|
|
continue;
|
|
}
|
|
for (Note* n : c->notes()) {
|
|
if (n->pitch() == note->pitch()) {
|
|
if (note2 == 0 || c->track() == chord->track()) {
|
|
note2 = n;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (note2) {
|
|
break;
|
|
}
|
|
}
|
|
return note2;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// absStep
|
|
/// Compute absolute step.
|
|
/// C D E F G A B ....
|
|
//---------------------------------------------------------
|
|
|
|
int absStep(int tpc, int pitch)
|
|
{
|
|
int line = tpc2step(tpc) + (pitch / 12) * 7;
|
|
int tpcPitch = tpc2pitch(tpc);
|
|
|
|
if (tpcPitch < 0) {
|
|
line += 7;
|
|
} else {
|
|
line -= (tpcPitch / 12) * 7;
|
|
}
|
|
return line;
|
|
}
|
|
|
|
int absStep(int pitch)
|
|
{
|
|
// TODO - does this need to be key-aware?
|
|
int tpc = pitch2tpc(pitch, Key::C, Prefer::NEAREST);
|
|
return absStep(tpc, pitch);
|
|
}
|
|
|
|
int absStep(int line, ClefType clef)
|
|
{
|
|
return ClefInfo::pitchOffset(clef) - line;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// relStep
|
|
/// Compute relative step from absolute step
|
|
/// which depends on actual clef. Step 0 starts on the
|
|
/// first (top) staff line.
|
|
//---------------------------------------------------------
|
|
|
|
int relStep(int line, ClefType clef)
|
|
{
|
|
return ClefInfo::pitchOffset(clef) - line;
|
|
}
|
|
|
|
int relStep(int pitch, int tpc, ClefType clef)
|
|
{
|
|
return relStep(absStep(tpc, pitch), clef);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// pitch2step
|
|
// returns one of { 0, 1, 2, 3, 4, 5, 6 }
|
|
//---------------------------------------------------------
|
|
|
|
int pitch2step(int pitch)
|
|
{
|
|
// C C# D D# E F F# G G# A A# B
|
|
static const char tab[12] = { 0, 0, 1, 1, 2, 3, 3, 4, 4, 5, 5, 6 };
|
|
return tab[pitch % 12];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// step2pitch
|
|
// returns one of { 0, 2, 4, 5, 7, 9, 11 }
|
|
//---------------------------------------------------------
|
|
|
|
int step2pitch(int step)
|
|
{
|
|
static const char tab[7] = { 0, 2, 4, 5, 7, 9, 11 };
|
|
return tab[step % 7];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// skipTuplet
|
|
// return segment of rightmost chord/rest in a
|
|
// (possible nested) tuplet
|
|
//---------------------------------------------------------
|
|
|
|
Segment* skipTuplet(Tuplet* tuplet)
|
|
{
|
|
DurationElement* nde = tuplet->elements().back();
|
|
while (nde->isTuplet()) {
|
|
tuplet = toTuplet(nde);
|
|
nde = tuplet->elements().back();
|
|
}
|
|
return toChordRest(nde)->segment();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// toTimeSigString
|
|
// replace ascii with bravura symbols
|
|
//---------------------------------------------------------
|
|
|
|
std::vector<SymId> toTimeSigString(const QString& s)
|
|
{
|
|
struct Dict {
|
|
QChar code;
|
|
SymId id;
|
|
};
|
|
static const std::vector<Dict> dict = {
|
|
{ 43, SymId::timeSigPlusSmall }, // '+'
|
|
{ 48, SymId::timeSig0 }, // '0'
|
|
{ 49, SymId::timeSig1 }, // '1'
|
|
{ 50, SymId::timeSig2 }, // '2'
|
|
{ 51, SymId::timeSig3 }, // '3'
|
|
{ 52, SymId::timeSig4 }, // '4'
|
|
{ 53, SymId::timeSig5 }, // '5'
|
|
{ 54, SymId::timeSig6 }, // '6'
|
|
{ 55, SymId::timeSig7 }, // '7'
|
|
{ 56, SymId::timeSig8 }, // '8'
|
|
{ 57, SymId::timeSig9 }, // '9'
|
|
{ 67, SymId::timeSigCommon }, // 'C'
|
|
{ 40, SymId::timeSigParensLeftSmall }, // '('
|
|
{ 41, SymId::timeSigParensRightSmall }, // ')'
|
|
{ 162, SymId::timeSigCutCommon }, // '¢'
|
|
{ 189, SymId::timeSigFractionHalf },
|
|
{ 188, SymId::timeSigFractionQuarter },
|
|
{ 59664, SymId::mensuralProlation1 },
|
|
{ 79, SymId::mensuralProlation2 }, // 'O'
|
|
{ 59665, SymId::mensuralProlation2 },
|
|
{ 216, SymId::mensuralProlation3 }, // 'Ø'
|
|
{ 59666, SymId::mensuralProlation3 },
|
|
{ 59667, SymId::mensuralProlation4 },
|
|
{ 59668, SymId::mensuralProlation5 },
|
|
{ 59670, SymId::mensuralProlation7 },
|
|
{ 59671, SymId::mensuralProlation8 },
|
|
{ 59673, SymId::mensuralProlation10 },
|
|
{ 59674, SymId::mensuralProlation11 },
|
|
};
|
|
|
|
std::vector<SymId> d;
|
|
for (auto c : s) {
|
|
for (const Dict& e : dict) {
|
|
if (c == e.code) {
|
|
d.push_back(e.id);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return d;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// actualTicks
|
|
//---------------------------------------------------------
|
|
|
|
Fraction actualTicks(Fraction duration, Tuplet* tuplet, Fraction timeStretch)
|
|
{
|
|
Fraction f = duration / timeStretch;
|
|
for (Tuplet* t = tuplet; t; t = t->tuplet()) {
|
|
f /= t->ratio();
|
|
}
|
|
return f;
|
|
}
|
|
}
|