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//=============================================================================
// 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;
enum class Key;
const int INVALID_PITCH = -1;
#if 0
enum {
STEP_NONE = -1,
STEP_C,
STEP_D,
STEP_E,
STEP_F,
STEP_G,
STEP_A,
STEP_B
};
#endif
// a list of tpc's, with legal ranges, not really an enum, so no way to cnvert into a class
enum Tpc : signed char {
TPC_INVALID = -2,
TPC_F_BB, TPC_C_BB, TPC_G_BB, TPC_D_BB, TPC_A_BB, TPC_E_BB, TPC_B_BB,
TPC_F_B, TPC_C_B, TPC_G_B, TPC_D_B, TPC_A_B, TPC_E_B, TPC_B_B,
TPC_F, TPC_C, TPC_G, TPC_D, TPC_A, TPC_E, TPC_B,
TPC_F_S, TPC_C_S, TPC_G_S, TPC_D_S, TPC_A_S, TPC_E_S, TPC_B_S,
TPC_F_SS, TPC_C_SS, TPC_G_SS, TPC_D_SS, TPC_A_SS, TPC_E_SS, TPC_B_SS,
TPC_MIN = TPC_F_BB,
TPC_MAX = TPC_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::C, Prefer::NEAREST)
enum class Prefer : char { FLATS=8, NEAREST=11, SHARPS=13 };
enum class NoteSpellingType : char { STANDARD = 0, GERMAN, GERMAN_PURE, SOLFEGGIO, FRENCH };
enum class NoteCaseType : signed char { AUTO = -1, CAPITAL = 0, LOWER, UPPER };
extern int pitch2tpc(int pitch, Key, Prefer prefer);
extern int computeWindow(const std::vector<Note*>& notes, int start, int end);
extern int tpc(int idx, int pitch, int opt);
extern QString tpc2name(int tpc, NoteSpellingType spelling, NoteCaseType noteCase, bool explicitAccidental = false);
extern void tpc2name(int tpc, NoteSpellingType noteSpelling, NoteCaseType noteCase, QString& s, QString& acc, bool explicitAccidental = false);
extern void tpc2name(int tpc, NoteSpellingType noteSpelling, NoteCaseType noteCase, 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, Key);
extern int tpc2pitch(int tpc);
extern int tpc2step(int tpc);
extern int tpc2stepByKey(int tpc, Key, int* pAlter);
extern int tpc2alterByKey(int tpc, Key);
extern int pitch2absStepByKey(int pitch, int tpc, Key, int* pAlter);
extern int absStep2pitchByKey(int step, Key);
extern int tpc2degree(int tpc, Key key);
//---------------------------------------------------------
// tpc2alter
//---------------------------------------------------------
inline static AccidentalVal tpc2alter(int tpc) {
return AccidentalVal(((tpc+1) / 7) - 2);
}
extern QString tpc2stepName(int tpc);
extern bool tpcIsValid(int val);
inline bool pitchIsValid(int pitch) { return pitch >= 0 && pitch <= 127; }
} // namespace Ms
#endif
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