MuseScore/libmscore/pitchspelling.h
2012-08-06 21:55:51 +02:00

54 lines
1.8 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
// $Id: pitchspelling.h 5163 2011-12-30 09:57:08Z wschweer $
//
// 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__
class MidiNote;
class Note;
class Event;
//---------------------------------------------------------
// pitch2tpc
// Returns a default tpc for a given midi pitch.
// Midi pitch 60 is middle C.
//---------------------------------------------------------
inline static int pitch2tpc(int pitch)
{
return (((((pitch % 12) * 7) % 12) + 5) % 12) + 9;
}
int pitch2tpc2(int pitch, bool preferSharp);
const int INVALID_TPC = -2;
extern int pitch2tpc(int pitch, int key);
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 int pitch2line(int pitch);
extern QString tpc2name(int tpc, bool germanNames);
extern void tpc2name(int tpc, bool germanNames, QChar* name, int* acc);
extern int step2tpc(const QString& stepName, int alter);
extern int step2tpc(int step, int alter);
extern int tpc2pitch(int tpc);
extern int tpc2step(int tpc);
static inline int tpc2alter(int tpc) { return ((tpc+1) / 7) - 2; }
extern QString tpc2stepName(int tpc);
extern bool tpcIsValid(int val);
extern int computeLine(int tpc, int pitch);
#endif