70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
#ifndef IMPORTMIDI_METER_H
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#define IMPORTMIDI_METER_H
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namespace Ms {
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class ReducedFraction;
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class TDuration;
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namespace MidiTuplet {
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struct TupletData;
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}
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namespace Meter {
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enum class DurationType : char
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{
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NOTE,
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REST
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};
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bool isSimple(const ReducedFraction &barFraction);
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bool isCompound(const ReducedFraction &barFraction);
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bool isComplex(const ReducedFraction &barFraction);
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bool isDuple(const ReducedFraction &barFraction);
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bool isTriple(const ReducedFraction &barFraction);
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bool isQuadruple(const ReducedFraction &barFraction);
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bool isQuintuple(const ReducedFraction &barFraction);
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bool isSeptuple(const ReducedFraction &barFraction);
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ReducedFraction beatLength(const ReducedFraction &barFraction);
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struct DivisionInfo;
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DivisionInfo metricDivisionsOfBar(const ReducedFraction &barFraction);
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DivisionInfo metricDivisionsOfTuplet(const MidiTuplet::TupletData &tuplet,
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int tupletStartLevel);
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// result in vector: first elements - all tuplets info, one at the end - bar division info
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std::vector<DivisionInfo> divisionInfo(const ReducedFraction &barFraction,
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const std::vector<MidiTuplet::TupletData> &tupletsInBar);
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// tick is counted from the beginning of bar
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int levelOfTick(const ReducedFraction &tick, const std::vector<DivisionInfo> &divsInfo);
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std::vector<int> metricLevelsOfBar(const ReducedFraction &barFraction,
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const std::vector<DivisionInfo> &divsInfo,
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const ReducedFraction &minDuration);
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bool isSimpleNoteDuration(const ReducedFraction &duration); // quarter, half, eighth, 16th ...
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// division lengths of bar, each can be a tuplet length
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std::vector<ReducedFraction> divisionsOfBarForTuplets(const ReducedFraction &barFraction);
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// duration and all tuplets should belong to the same voice
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// nested tuplets are not allowed
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QList<std::pair<ReducedFraction, TDuration> >
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toDurationList(const ReducedFraction &startTickInBar,
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const ReducedFraction &endTickInBar,
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const ReducedFraction &barFraction,
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const std::vector<MidiTuplet::TupletData> &tupletsInBar,
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DurationType durationType,
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bool useDots,
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bool printRestRemains = true);
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} // namespace Meter
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} // namespace Ms
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#endif // IMPORTMIDI_METER_H
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