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/*
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) 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 MICROTONAL_H
#define MICROTONAL_H
#include "../globals.h"
#include "XMLwrapper.h"
#define MAX_OCTAVE_SIZE 128
#define MICROTONAL_MAX_NAME_LEN 120
#include <stdio.h>
class Microtonal{
public:
Microtonal();
~Microtonal();
void defaults();
REALTYPE getnotefreq(int note,int keyshift);
//Parameters
//if the keys are inversed (the pitch is lower to keys from the right direction)
unsigned char Pinvertupdown;
//the central key of the inversion
unsigned char Pinvertupdowncenter;
//0 for 12 key temperate scale, 1 for microtonal
unsigned char Penabled;
//the note of "A" key
unsigned char PAnote;
//the frequency of the "A" note
REALTYPE PAfreq;
//if the scale is "tuned" to a note, you can tune to other note
unsigned char Pscaleshift;
//first and last key (to retune)
unsigned char Pfirstkey;
unsigned char Plastkey;
//The middle note where scale degree 0 is mapped to
unsigned char Pmiddlenote;
//Map size
unsigned char Pmapsize;
//Mapping ON/OFF
unsigned char Pmappingenabled;
//Mapping (keys)
short int Pmapping[128];
unsigned char Pglobalfinedetune;
// Functions
unsigned char getoctavesize();
void tuningtoline(int n,char *line,int maxn);
int loadscl(const char *filename);//load the tunnings from a .scl file
int loadkbm(const char *filename);//load the mapping from .kbm file
int texttotunings(const char *text);
void texttomapping(const char *text);
unsigned char *Pname;
unsigned char *Pcomment;
void add2XML(XMLwrapper *xml);
void getfromXML(XMLwrapper *xml);
int saveXML(char *filename);
int loadXML(char *filename);
private:
int linetotunings(unsigned int nline,const char *line);
int loadline(FILE *file,char *line);//loads a line from the text file, while ignoring the lines beggining with "!"
unsigned char 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
REALTYPE tuning;
//the real tunning is x1/x2
unsigned int x1,x2;
} octave[MAX_OCTAVE_SIZE],tmpoctave[MAX_OCTAVE_SIZE];
};
#endif
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