MuseScore/libmscore/pitchspelling.h
Joachim Schmitz 93a60e8944 convert unnamed enum into enum Key
but converting into enum class requires some more work. And mostly for
that reason can't yet get rid of the "KEY_", as it clashes with enum Tpc
(which too hasn't yet been converted into en enum class)
2014-05-26 12:27:31 +02:00

90 lines
3.3 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
//=============================================================================
#ifndef __PITCHSPELLING_H__
#define __PITCHSPELLING_H__
#include "mscore.h"
namespace Ms {
class MidiNote;
class Note;
class Event;
const int INVALID_PITCH = -1;
// a list of tpc's, with legal ranges
enum Tpc : signed char {
INVALID = -2,
F_BB, C_BB, G_BB, D_BB, A_BB, E_BB, B_BB,
F_B, C_B, G_B, D_B, A_B, E_B, B_B,
F, C, G, D, A, E, B,
F_S, C_S, G_S, D_S, A_S, E_S, B_S,
F_SS, C_SS, G_SS, D_SS, A_SS, E_SS, B_SS,
MIN = F_BB,
MAX = B_SS
};
const int TPC_DELTA_SEMITONE = 7; // the delta in tpc value to go 1 semitone up or down
const int TPC_DELTA_ENHARMONIC = 12; // the delta in tpc value to reach the next (or prev) enharmonic spelling
const int TPC_FIRST_STEP = 3; // the step of the first valid tpc (= F = step 3)
const int PITCH_DELTA_OCTAVE = 12; // the delta in pitch value to go 1 octave up or down
const int STEP_DELTA_OCTAVE = 7; // the number of steps in an octave
const int STEP_DELTA_TPC = 4; // the number of steps in a tpc step (= a fifth = 4 steps)
//---------------------------------------------------------
// pitch2tpc
// Returns a default tpc for a given midi pitch.
// Midi pitch 60 is middle C.
//---------------------------------------------------------
// pitch2tpc(pitch) replaced by pitch2tpc(pitch, Key::KEY_C, Prefer::NEAREST)
enum class Prefer : char { FLATS=8, NEAREST=11, SHARPS=13 };
enum class NoteSpellingType : char { STANDARD = 0, GERMAN, SOLFEGGIO };
extern int pitch2tpc(int pitch, int key, Prefer prefer);
extern void spell(QList<Event>& notes, int);
extern void spell(QList<Note*>& notes);
extern int computeWindow(const QList<Note*>& notes, int start, int end);
extern int tpc(int idx, int pitch, int opt);
extern QString tpc2name(int tpc, NoteSpellingType spelling, bool lowerCase);
extern void tpc2name(int tpc, NoteSpellingType spelling, bool lowerCase, QString& s, QString& acc);
extern void tpc2name(int tpc, NoteSpellingType spelling, bool lowerCase, QString& s, int& acc);
extern int step2tpc(const QString& stepName, AccidentalVal alter);
extern int step2tpc(int step);
extern int step2tpc(int step, AccidentalVal alter);
extern int step2tpcByKey(int step, int key);
extern int tpc2pitch(int tpc);
extern int tpc2step(int tpc);
extern int tpc2stepByKey(int tpc, int key, int* pAlter);
extern int tpc2alterByKey(int tpc, int key);
extern int pitch2absStepByKey(int pitch, int tpc, int key, int* pAlter);
extern int absStep2pitchByKey(int step, int key);
//---------------------------------------------------------
// tpc2alter
//---------------------------------------------------------
inline static AccidentalVal tpc2alter(int tpc) {
return AccidentalVal(((tpc+1) / 7) - 2);
}
extern QString tpc2stepName(int tpc);
extern bool tpcIsValid(int val);
} // namespace Ms
#endif