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#include "importmidi_inner.h"
#include "importmidi_operations.h"
#include "importmidi_chord.h"
#include "mscore/preferences.h"
#include "libmscore/durationtype.h"
#include "midi/midifile.h"
namespace Ms {
MTrack::MTrack()
: program(0)
, staff(nullptr)
, mtrack(nullptr)
, hasKey(false)
, indexOfOperation(0)
, division(0)
, isDivisionInTps(false)
, hadInitialNotes(false)
{
}
MTrack::MTrack(const MTrack &other)
: program(other.program)
, staff(other.staff)
, mtrack(other.mtrack)
, name(other.name)
, hasKey(other.hasKey)
, indexOfOperation(other.indexOfOperation)
, division(other.division)
, isDivisionInTps(other.isDivisionInTps)
, hadInitialNotes(other.hadInitialNotes)
, volumes(other.volumes)
, chords(other.chords)
{
updateTupletsFromChords();
}
MTrack& MTrack::operator=(MTrack other)
{
std::swap(program, other.program);
std::swap(staff, other.staff);
std::swap(mtrack, other.mtrack);
std::swap(name, other.name);
std::swap(hasKey, other.hasKey);
std::swap(indexOfOperation, other.indexOfOperation);
std::swap(division, other.division);
std::swap(isDivisionInTps, other.isDivisionInTps);
std::swap(hadInitialNotes, other.hadInitialNotes);
std::swap(volumes, other.volumes);
std::swap(chords, other.chords);
updateTupletsFromChords();
return *this;
}
// chords of the MTrack are considered to be created/copied already;
// tuplets here are extracted and inserted to the tuplet map of the MTrack
// from tuplet iterators in chords/notes
void MTrack::updateTupletsFromChords()
{
for (auto &chord: chords) {
if (chord.second.isInTuplet)
updateTuplet(chord.second.tuplet);
for (auto ¬e: chord.second.notes) {
if (note.isInTuplet)
updateTuplet(note.tuplet);
}
}
}
void MTrack::updateTuplet(
std::multimap<ReducedFraction, MidiTuplet::TupletData>::iterator &tupletIt)
{
auto foundTuplet = tuplets.end();
const auto foundTupletsRange = tuplets.equal_range(tupletIt->first);
for (auto it = foundTupletsRange.first; it != foundTupletsRange.second; ++it) {
if (it->second.voice == tupletIt->second.voice) {
foundTuplet = it;
break;
}
}
if (foundTuplet != tuplets.end())
tupletIt = foundTuplet;
else
tupletIt = tuplets.insert({tupletIt->first, tupletIt->second});
}
namespace Meter {
ReducedFraction userTimeSigToFraction(
MidiOperations::TimeSigNumerator timeSigNumerator,
MidiOperations::TimeSigDenominator timeSigDenominator)
{
int numerator = 4;
int denominator = 4;
switch (timeSigNumerator) {
case MidiOperations::TimeSigNumerator::_2:
numerator = 2;
break;
case MidiOperations::TimeSigNumerator::_3:
numerator = 3;
break;
case MidiOperations::TimeSigNumerator::_4:
numerator = 4;
break;
case MidiOperations::TimeSigNumerator::_5:
numerator = 5;
break;
case MidiOperations::TimeSigNumerator::_6:
numerator = 6;
break;
case MidiOperations::TimeSigNumerator::_7:
numerator = 7;
break;
case MidiOperations::TimeSigNumerator::_9:
numerator = 9;
break;
case MidiOperations::TimeSigNumerator::_12:
numerator = 12;
break;
case MidiOperations::TimeSigNumerator::_15:
numerator = 15;
break;
case MidiOperations::TimeSigNumerator::_21:
numerator = 21;
break;
default:
break;
}
switch (timeSigDenominator) {
case MidiOperations::TimeSigDenominator::_2:
denominator = 2;
break;
case MidiOperations::TimeSigDenominator::_4:
denominator = 4;
break;
case MidiOperations::TimeSigDenominator::_8:
denominator = 8;
break;
case MidiOperations::TimeSigDenominator::_16:
denominator = 16;
break;
case MidiOperations::TimeSigDenominator::_32:
denominator = 32;
break;
default:
break;
}
return ReducedFraction(numerator, denominator);
}
MidiOperations::TimeSigNumerator fractionNumeratorToUserValue(int n)
{
MidiOperations::TimeSigNumerator numerator = MidiOperations::TimeSigNumerator::_4;
if (n == 2)
numerator = MidiOperations::TimeSigNumerator::_2;
else if (n == 3)
numerator = MidiOperations::TimeSigNumerator::_3;
else if (n == 4)
numerator = MidiOperations::TimeSigNumerator::_4;
else if (n == 5)
numerator = MidiOperations::TimeSigNumerator::_5;
else if (n == 6)
numerator = MidiOperations::TimeSigNumerator::_6;
else if (n == 7)
numerator = MidiOperations::TimeSigNumerator::_7;
else if (n == 9)
numerator = MidiOperations::TimeSigNumerator::_9;
else if (n == 12)
numerator = MidiOperations::TimeSigNumerator::_12;
else if (n == 15)
numerator = MidiOperations::TimeSigNumerator::_15;
else if (n == 21)
numerator = MidiOperations::TimeSigNumerator::_21;
else
{Q_ASSERT_X(false, "Meter::fractionNumeratorToUserValue", "Unknown numerator");}
return numerator;
}
MidiOperations::TimeSigDenominator fractionDenominatorToUserValue(int z)
{
MidiOperations::TimeSigDenominator denominator = MidiOperations::TimeSigDenominator::_4;
if (z == 2)
denominator = MidiOperations::TimeSigDenominator::_2;
else if (z == 4)
denominator = MidiOperations::TimeSigDenominator::_4;
else if (z == 8)
denominator = MidiOperations::TimeSigDenominator::_8;
else if (z == 16)
denominator = MidiOperations::TimeSigDenominator::_16;
else if (z == 32)
denominator = MidiOperations::TimeSigDenominator::_32;
else
{Q_ASSERT_X(false, "Meter::fractionDenominatorToUserValue", "Unknown denominator");}
return denominator;
}
} // namespace Meter
namespace MidiTuplet {
bool haveIntersection(const std::pair<ReducedFraction, ReducedFraction> &interval1,
const std::pair<ReducedFraction, ReducedFraction> &interval2,
bool strictComparison)
{
if (strictComparison)
return interval1.second > interval2.first && interval1.first < interval2.second;
return interval1.second >= interval2.first && interval1.first <= interval2.second;
}
bool haveIntersection(
const std::pair<ReducedFraction, ReducedFraction> &interval,
const std::vector<std::pair<ReducedFraction, ReducedFraction>> &intervals,
bool strictComparison)
{
for (const auto &i: intervals) {
if (haveIntersection(i, interval, strictComparison))
return true;
}
return false;
}
}
namespace MidiCharset {
QString convertToCharset(const std::string &text)
{
// charset for the current MIDI file
QString charset = midiImportOperations.data()->charset;
auto *codec = QTextCodec::codecForName(charset.toLatin1());
if (codec)
return codec->toUnicode(text.c_str());
else
return QString::fromUtf8(text.data(), int(text.size()));
}
QString defaultCharset()
{
return "UTF-8";
}
std::string fromUchar(const uchar *text)
{
return reinterpret_cast<const char*>(text);
}
} // namespace MidiCharset
namespace MidiBar {
ReducedFraction findBarStart(const ReducedFraction &time, const TimeSigMap *sigmap)
{
int barIndex, beat, tick;
sigmap->tickValues(time.ticks(), &barIndex, &beat, &tick);
return ReducedFraction::fromTicks(sigmap->bar2tick(barIndex, 0));
}
} // namespace MidiBar
namespace MidiDuration {
double durationCount(const QList<std::pair<ReducedFraction, TDuration> > &durations)
{
double count = durations.size();
for (const auto &d: durations) {
if (d.second.dots())
count += 0.5;
}
return count;
}
} // namespace MidiDuration
} // namespace Ms
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