843 lines
26 KiB
C++
843 lines
26 KiB
C++
//=============================================================================
|
|
// MuseScore
|
|
// Music Composition & Notation
|
|
//
|
|
// Copyright (C) 2002-2011 Werner Schweer
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License version 2
|
|
// as published by the Free Software Foundation and appearing in
|
|
// the file LICENCE.GPL
|
|
//=============================================================================
|
|
|
|
#include "config.h"
|
|
#include "score.h"
|
|
#include "page.h"
|
|
#include "segment.h"
|
|
#include "clef.h"
|
|
#include "utils.h"
|
|
#include "system.h"
|
|
#include "measure.h"
|
|
#include "pitchspelling.h"
|
|
#include "chordrest.h"
|
|
#include "part.h"
|
|
#include "staff.h"
|
|
#include "note.h"
|
|
#include "chord.h"
|
|
#include "key.h"
|
|
|
|
namespace Ms {
|
|
|
|
//---------------------------------------------------------
|
|
// handleRect
|
|
//---------------------------------------------------------
|
|
|
|
QRectF handleRect(const QPointF& pos)
|
|
{
|
|
return QRectF(pos.x()-4, pos.y()-4, 8, 8);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tick2measure
|
|
//---------------------------------------------------------
|
|
|
|
Measure* Score::tick2measure(int tick) const
|
|
{
|
|
if (tick == -1)
|
|
return lastMeasure();
|
|
Measure* lm = 0;
|
|
|
|
for (Measure* m = firstMeasure(); m; m = m->nextMeasure()) {
|
|
if (tick < m->tick())
|
|
return lm;
|
|
lm = m;
|
|
}
|
|
// check last measure
|
|
if (lm && (tick >= lm->tick()) && (tick <= lm->endTick()))
|
|
return lm;
|
|
qDebug("tick2measure %d (max %d) not found", tick, lm ? lm->tick() : -1);
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tick2measureMM
|
|
//---------------------------------------------------------
|
|
|
|
Measure* Score::tick2measureMM(int tick) const
|
|
{
|
|
if (tick == -1)
|
|
return lastMeasureMM();
|
|
Measure* lm = 0;
|
|
|
|
for (Measure* m = firstMeasureMM(); m; m = m->nextMeasureMM()) {
|
|
if (tick < m->tick())
|
|
return lm;
|
|
lm = m;
|
|
}
|
|
// check last measure
|
|
if (lm && (tick >= lm->tick()) && (tick <= lm->endTick()))
|
|
return lm;
|
|
qDebug("tick2measureMM %d (max %d) not found", tick, lm ? lm->tick() : -1);
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tick2measureBase
|
|
//---------------------------------------------------------
|
|
|
|
MeasureBase* Score::tick2measureBase(int tick) const
|
|
{
|
|
for (MeasureBase* mb = first(); mb; mb = mb->next()) {
|
|
int st = mb->tick();
|
|
int l = mb->ticks();
|
|
if (tick >= st && tick < (st+l))
|
|
return mb;
|
|
}
|
|
// qDebug("tick2measureBase %d not found", tick);
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tick2segment
|
|
//---------------------------------------------------------
|
|
|
|
Segment* Score::tick2segmentMM(int tick, bool first, Segment::Type st) const
|
|
{
|
|
return tick2segment(tick,first,st,true);
|
|
}
|
|
|
|
Segment* Score::tick2segment(int tick, bool first, Segment::Type st, bool useMMrest ) const
|
|
{
|
|
Measure* m;
|
|
if (useMMrest) {
|
|
m = tick2measureMM(tick);
|
|
// When mmRest force tick to the first segment of mmRest.
|
|
if (m && m->isMMRest())
|
|
tick = m->tick();
|
|
}
|
|
else
|
|
m = tick2measure(tick);
|
|
|
|
if (m == 0) {
|
|
qDebug(" no segment for tick %d", tick);
|
|
return 0;
|
|
}
|
|
for (Segment* segment = m->first(st); segment;) {
|
|
int t1 = segment->tick();
|
|
Segment* nsegment = segment->next(st);
|
|
int t2 = nsegment ? nsegment->tick() : INT_MAX;
|
|
if ((tick == t1) && (first || (tick < t2)))
|
|
return segment;
|
|
segment = nsegment;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tick2segmentEnd
|
|
//---------------------------------------------------------
|
|
|
|
/**
|
|
Find a segment containing a note or rest in \a track ending at \a tick
|
|
Return the segment or null
|
|
*/
|
|
|
|
Segment* Score::tick2segmentEnd(int track, int tick) const
|
|
{
|
|
Measure* m = tick2measure(tick);
|
|
if (m == 0) {
|
|
qDebug("tick2segment(): not found tick %d", tick);
|
|
return 0;
|
|
}
|
|
// loop over all segments
|
|
for (Segment* segment = m->first(Segment::Type::ChordRest); segment; segment = segment->next(Segment::Type::ChordRest)) {
|
|
ChordRest* cr = static_cast<ChordRest*>(segment->element(track));
|
|
if (!cr)
|
|
continue;
|
|
// TODO LVI: check if following is correct, see exceptions in
|
|
// ExportMusicXml::chord() and ExportMusicXml::rest()
|
|
int endTick = cr->tick() + cr->actualTicks();
|
|
if (endTick < tick)
|
|
continue; // not found yet
|
|
else if (endTick == tick) {
|
|
return segment; // found it
|
|
}
|
|
else {
|
|
// endTick > tick (beyond the tick we are looking for)
|
|
return 0;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tick2leftSegment
|
|
/// return the segment at this tick position if any or
|
|
/// the first segment *before* this tick position
|
|
//---------------------------------------------------------
|
|
|
|
Segment* Score::tick2leftSegment(int tick) const
|
|
{
|
|
Measure* m = tick2measure(tick);
|
|
if (m == 0) {
|
|
qDebug("tick2leftSegment(): not found tick %d", tick);
|
|
return 0;
|
|
}
|
|
// loop over all segments
|
|
Segment* ps = 0;
|
|
for (Segment* s = m->first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
|
|
if (tick < s->tick())
|
|
return ps;
|
|
else if (tick == s->tick())
|
|
return s;
|
|
ps = s;
|
|
}
|
|
return ps;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tick2rightSegment
|
|
/// return the segment at this tick position if any or
|
|
/// the first segment *after* this tick position
|
|
//---------------------------------------------------------
|
|
|
|
Segment* Score::tick2rightSegment(int tick) const
|
|
{
|
|
Measure* m = tick2measure(tick);
|
|
if (m == 0) {
|
|
qDebug("tick2nearestSegment(): not found tick %d", tick);
|
|
return 0;
|
|
}
|
|
// loop over all segments
|
|
for (Segment* s = m->first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
|
|
if (tick <= s->tick())
|
|
return s;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// getStaff
|
|
//---------------------------------------------------------
|
|
|
|
int getStaff(System* system, const QPointF& p)
|
|
{
|
|
QPointF pp = p - system->page()->pos() - system->pos();
|
|
for (int i = 0; i < system->page()->score()->nstaves(); ++i) {
|
|
qreal sp = system->spatium();
|
|
QRectF r = system->bboxStaff(i).adjusted(0.0, -sp, 0.0, sp);
|
|
if (r.contains(pp))
|
|
return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// nextSeg
|
|
//---------------------------------------------------------
|
|
|
|
int Score::nextSeg(int tick, int track)
|
|
{
|
|
Segment* seg = tick2segment(tick);
|
|
while (seg) {
|
|
seg = seg->next1(Segment::Type::ChordRest);
|
|
if (seg == 0)
|
|
break;
|
|
if (seg->element(track))
|
|
break;
|
|
}
|
|
return seg ? seg->tick() : -1;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// nextSeg1
|
|
//---------------------------------------------------------
|
|
|
|
Segment* nextSeg1(Segment* seg, int& track)
|
|
{
|
|
int staffIdx = track / VOICES;
|
|
int startTrack = staffIdx * VOICES;
|
|
int endTrack = startTrack + VOICES;
|
|
while ((seg = seg->next1(Segment::Type::ChordRest))) {
|
|
for (int t = startTrack; t < endTrack; ++t) {
|
|
if (seg->element(t)) {
|
|
track = t;
|
|
return seg;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// prevSeg1
|
|
//---------------------------------------------------------
|
|
|
|
Segment* prevSeg1(Segment* seg, int& track)
|
|
{
|
|
int staffIdx = track / VOICES;
|
|
int startTrack = staffIdx * VOICES;
|
|
int endTrack = startTrack + VOICES;
|
|
while ((seg = seg->prev1(Segment::Type::ChordRest))) {
|
|
for (int t = startTrack; t < endTrack; ++t) {
|
|
if (seg->element(t)) {
|
|
track = t;
|
|
return seg;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// pitchKeyAdjust
|
|
// change entered note to sounding pitch dependend
|
|
// on key.
|
|
// Example: if F is entered in G-major, a Fis is played
|
|
// key -7 ... +7
|
|
//---------------------------------------------------------
|
|
|
|
int pitchKeyAdjust(int step, Key key)
|
|
{
|
|
static int ptab[15][7] = {
|
|
// c d e f g a b
|
|
{ -1, 1, 3, 4, 6, 8, 10 }, // Bes
|
|
{ -1, 1, 3, 5, 6, 8, 10 }, // Ges
|
|
{ 0, 1, 3, 5, 6, 8, 10 }, // Des
|
|
{ 0, 1, 3, 5, 7, 8, 10 }, // As
|
|
{ 0, 2, 3, 5, 7, 8, 10 }, // Es
|
|
{ 0, 2, 3, 5, 7, 9, 10 }, // B
|
|
{ 0, 2, 4, 5, 7, 9, 10 }, // F
|
|
{ 0, 2, 4, 5, 7, 9, 11 }, // C
|
|
{ 0, 2, 4, 6, 7, 9, 11 }, // G
|
|
{ 1, 2, 4, 6, 7, 9, 11 }, // D
|
|
{ 1, 2, 4, 6, 8, 9, 11 }, // A
|
|
{ 1, 3, 4, 6, 8, 9, 11 }, // E
|
|
{ 1, 3, 4, 6, 8, 10, 11 }, // H
|
|
{ 1, 3, 5, 6, 8, 10, 11 }, // Fis
|
|
{ 1, 3, 5, 6, 8, 10, 12 }, // Cis
|
|
};
|
|
return ptab[int(key)+7][step];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// y2pitch
|
|
//---------------------------------------------------------
|
|
|
|
int y2pitch(qreal y, ClefType clef, qreal _spatium)
|
|
{
|
|
int l = lrint(y / _spatium * 2.0);
|
|
return line2pitch(l, clef, Key::C);
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// line2pitch
|
|
// key -7 ... +7
|
|
//---------------------------------------------------------
|
|
|
|
int line2pitch(int line, ClefType clef, Key key)
|
|
{
|
|
int l = ClefInfo::pitchOffset(clef) - line;
|
|
int octave = 0;
|
|
while (l < 0) {
|
|
l += 7;
|
|
octave++;
|
|
}
|
|
octave += l / 7;
|
|
l = l % 7;
|
|
|
|
int pitch = pitchKeyAdjust(l, key) + octave * 12;
|
|
|
|
if (pitch > 127)
|
|
pitch = 127;
|
|
else if (pitch < 0)
|
|
pitch = 0;
|
|
return pitch;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// quantizeLen
|
|
//---------------------------------------------------------
|
|
|
|
int quantizeLen(int len, int raster)
|
|
{
|
|
if (raster == 0)
|
|
return len;
|
|
return int( ((float)len/raster) + 0.5 ) * raster; //round to the closest multiple of raster
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// selectNoteMessage
|
|
//---------------------------------------------------------
|
|
|
|
void selectNoteMessage()
|
|
{
|
|
if (!MScore::noGui)
|
|
QMessageBox::information(0,
|
|
QMessageBox::tr("MuseScore"),
|
|
QMessageBox::tr("No note selected:\n"
|
|
"Please select a single note and retry operation\n"),
|
|
QMessageBox::Ok, QMessageBox::NoButton);
|
|
}
|
|
|
|
void selectNoteRestMessage()
|
|
{
|
|
if (!MScore::noGui)
|
|
QMessageBox::information(0,
|
|
QMessageBox::tr("MuseScore"),
|
|
QMessageBox::tr("No note or rest selected:\n"
|
|
"Please select a single note or rest and retry operation\n"),
|
|
QMessageBox::Ok, QMessageBox::NoButton);
|
|
}
|
|
|
|
void selectNoteSlurMessage()
|
|
{
|
|
if (!MScore::noGui)
|
|
QMessageBox::information(0,
|
|
QMessageBox::tr("MuseScore"),
|
|
QMessageBox::tr("Please select a single note or slur and retry operation\n"),
|
|
QMessageBox::Ok, QMessageBox::NoButton);
|
|
}
|
|
|
|
void selectStavesMessage()
|
|
{
|
|
if (!MScore::noGui)
|
|
QMessageBox::information(0,
|
|
QMessageBox::tr("MuseScore"),
|
|
QMessageBox::tr("Please select one or more staves and retry operation\n"),
|
|
QMessageBox::Ok, QMessageBox::NoButton);
|
|
}
|
|
|
|
static const char* vall[] = {
|
|
QT_TRANSLATE_NOOP("utils", "c"),
|
|
QT_TRANSLATE_NOOP("utils", "c#"),
|
|
QT_TRANSLATE_NOOP("utils", "d"),
|
|
QT_TRANSLATE_NOOP("utils", "d#"),
|
|
QT_TRANSLATE_NOOP("utils", "e"),
|
|
QT_TRANSLATE_NOOP("utils", "f"),
|
|
QT_TRANSLATE_NOOP("utils", "f#"),
|
|
QT_TRANSLATE_NOOP("utils", "g"),
|
|
QT_TRANSLATE_NOOP("utils", "g#"),
|
|
QT_TRANSLATE_NOOP("utils", "a"),
|
|
QT_TRANSLATE_NOOP("utils", "a#"),
|
|
QT_TRANSLATE_NOOP("utils", "b")
|
|
};
|
|
static const char* valu[] = {
|
|
QT_TRANSLATE_NOOP("utils", "C"),
|
|
QT_TRANSLATE_NOOP("utils", "C#"),
|
|
QT_TRANSLATE_NOOP("utils", "D"),
|
|
QT_TRANSLATE_NOOP("utils", "D#"),
|
|
QT_TRANSLATE_NOOP("utils", "E"),
|
|
QT_TRANSLATE_NOOP("utils", "F"),
|
|
QT_TRANSLATE_NOOP("utils", "F#"),
|
|
QT_TRANSLATE_NOOP("utils", "G"),
|
|
QT_TRANSLATE_NOOP("utils", "G#"),
|
|
QT_TRANSLATE_NOOP("utils", "A"),
|
|
QT_TRANSLATE_NOOP("utils", "A#"),
|
|
QT_TRANSLATE_NOOP("utils", "B")
|
|
};
|
|
|
|
/*!
|
|
* Returns the string representation of the given pitch.
|
|
*
|
|
* Returns the latin letter name, accidental, and octave numeral.
|
|
* Uses upper case only for pitches 0-24.
|
|
*
|
|
* @param v
|
|
* The pitch number of the note.
|
|
*
|
|
* @return
|
|
* The string representation of the note.
|
|
*/
|
|
QString pitch2string(int v)
|
|
{
|
|
if (v < 0 || v > 127)
|
|
return QString("----");
|
|
int octave = (v / 12) - 2;
|
|
QString o;
|
|
o.sprintf("%d", octave);
|
|
int i = v % 12;
|
|
return qApp->translate("utils", octave < 0 ? valu[i] : vall[i]) + o;
|
|
}
|
|
|
|
/*!
|
|
* An array of all supported interval sorted by size.
|
|
*
|
|
* Because intervals can be spelled differently, this array
|
|
* tracks all the different valid intervals. They are arranged
|
|
* in diatonic then chromatic order.
|
|
*/
|
|
Interval intervalList[26] = {
|
|
// 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, _updateVersion;
|
|
|
|
/*!
|
|
* Returns the program version
|
|
*
|
|
* @return
|
|
* Version in the format: MMmmuu
|
|
* Where M=Major, m=minor, and u=update
|
|
*/
|
|
|
|
int version()
|
|
{
|
|
QRegExp re("(\\d+)\\.(\\d+)\\.(\\d+)");
|
|
if (re.indexIn(VERSION) != -1) {
|
|
QStringList sl = re.capturedTexts();
|
|
if (sl.size() == 4) {
|
|
_majorVersion = sl[1].toInt();
|
|
_minorVersion = sl[2].toInt();
|
|
_updateVersion = sl[3].toInt();
|
|
return _majorVersion * 10000 + _minorVersion * 100 + _updateVersion;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// majorVersion
|
|
//---------------------------------------------------------
|
|
|
|
int majorVersion()
|
|
{
|
|
version();
|
|
return _majorVersion;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// minorVersion
|
|
//---------------------------------------------------------
|
|
|
|
int minorVersion()
|
|
{
|
|
version();
|
|
return _minorVersion;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// updateVersion
|
|
//---------------------------------------------------------
|
|
|
|
int updateVersion()
|
|
{
|
|
version();
|
|
return _updateVersion;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// 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 }, // Ces
|
|
{ -1, 1, 3, 5, 6, 8, 10 }, // Ges
|
|
{ 0, 1, 3, 5, 6, 8, 10 }, // Des
|
|
{ 0, 1, 3, 5, 7, 8, 10 }, // As
|
|
{ 0, 2, 3, 5, 7, 8, 10 }, // Es
|
|
{ 0, 2, 3, 5, 7, 9, 10 }, // B
|
|
{ 0, 2, 4, 5, 7, 9, 10 }, // F
|
|
|
|
{ 0, 2, 4, 5, 7, 9, 11 }, // C
|
|
|
|
{ 0, 2, 4, 6, 7, 9, 11 }, // G
|
|
{ 1, 2, 4, 6, 7, 9, 11 }, // D
|
|
{ 1, 2, 4, 6, 8, 9, 11 }, // A
|
|
{ 1, 3, 4, 6, 8, 9, 11 }, // E
|
|
{ 1, 3, 4, 6, 8, 10, 11 }, // H
|
|
{ 1, 3, 5, 6, 8, 10, 11 }, // Fis
|
|
{ 1, 3, 5, 6, 8, 10, 12 }, // 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)
|
|
{
|
|
Note* note2 = 0;
|
|
Chord* chord = note->chord();
|
|
Segment* seg = chord->segment();
|
|
Part* part = chord->staff()->part();
|
|
int strack = part->staves()->front()->idx() * VOICES;
|
|
int etrack = strack + part->staves()->size() * VOICES;
|
|
|
|
while ((seg = seg->next1(Segment::Type::ChordRest))) {
|
|
for (int track = strack; track < etrack; ++track) {
|
|
Chord* c = static_cast<Chord*>(seg->element(track));
|
|
if (c == 0 || c->type() != Element::Type::CHORD)
|
|
continue;
|
|
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;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// 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->staff()->part();
|
|
int strack = part->staves()->front()->idx() * VOICES;
|
|
int etrack = strack + part->staves()->size() * VOICES;
|
|
|
|
while ((seg = seg->next1(Segment::Type::ChordRest))) {
|
|
for (int track = strack; track < etrack; ++track) {
|
|
Chord* c = static_cast<Chord*>(seg->element(track));
|
|
if (c == 0 || (c->type() != Element::Type::CHORD) || (c->track() != chord->track()))
|
|
continue;
|
|
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
|
|
//---------------------------------------------------------
|
|
|
|
int pitch2step(int pitch)
|
|
{
|
|
static const char tab[12] = { 0, 0, 1, 1, 2, 3, 3, 4, 4, 5, 5, 6 };
|
|
return tab[pitch%12];
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// step2pitch
|
|
//---------------------------------------------------------
|
|
|
|
int step2pitch(int step)
|
|
{
|
|
static const char tab[7] = { 0, 2, 4, 5, 7, 9, 11 };
|
|
return tab[step % 7];
|
|
}
|
|
|
|
}
|
|
|