MuseScore/fluid/tuning.h
2012-05-26 14:49:10 +02:00

77 lines
2.7 KiB
C++

/*
ZynAddSubFX - a software synthesizer
Microtonal.h - Tuning settings and microtonal capabilities
Copyright (C) 2002-2005 Nasca Octavian Paul
Author: Nasca Octavian Paul
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License (version 2 or later) for more details.
You should have received a copy of the GNU General Public License (version 2)
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __TUNING_H__
#define __TUNING_H__
#define MAX_OCTAVE_SIZE 128
//---------------------------------------------------------
// Tuning
//---------------------------------------------------------
class Tuning {
bool linetotunings(int nline, const char *line);
QByteArray loadLine(QFile* file);
int octavesize;
struct {
unsigned char type; //1 for cents or 2 for division
// the real tuning (eg. +1.05946 for one halftone)
// or 2.0 for one octave
float tuning;
//the real tuning is x1/x2
unsigned int x1, x2;
} octave[MAX_OCTAVE_SIZE], tmpoctave[MAX_OCTAVE_SIZE];
public:
Tuning();
float getnotefreq(int note, int keyshift);
bool invertupdown; // if the keys are inversed (the pitch is lower to keys from the right direction)
int invertupdowncenter; // the central key of the inversion
bool enabled; // false for 12 key temperate scale, true for microtonal
unsigned char aNote; // the note of "A" key
float aFreq; // the frequency of the "A" note
int scaleshift; // if the scale is "tuned" to a note, you can tune to other note
unsigned char firstkey, lastkey; //first and last key (to retune)
unsigned char middlenote; //The middle note where scale degree 0 is mapped to
unsigned char mapsize; // Map size
bool mappingenabled; // Mapping ON/OFF
short int mapping[128]; // Mapping (keys)
unsigned char globalfinedetune;
int getoctavesize(); // Return the current octave size
bool loadscl(const QString& filename); //load the tunnings from a .scl file
bool loadkbm(const QString& filename); //load the mapping from .kbm file
QString name;
QString comment;
};
#endif