midimapper.h

/*  midimapper.h  - The midi mapper object
    This file is part of LibKMid 0.9.5
    Copyright (C) 1997,98,99,2000  Antonio Larrosa Jimenez
    LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libtdemid.html
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 
    Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org>
 
***************************************************************************/
#ifndef _MIDIMAPPER_H
#define _MIDIMAPPER_H
 
#include <stdio.h>
#include <libtdemid/dattypes.h>
#include <tdelibs_export.h>
 
#define KM_NAME_SIZE 30
 
class KMID_EXPORT MidiMapper
{
  private:
    class MidiMapperPrivate;
    MidiMapperPrivate *d;
 
    struct Keymap
    {
      char name[KM_NAME_SIZE];
      uchar key[128];
      struct Keymap *next;
    };
 
    int _ok;
 
    uchar   channelmap[16]; 
    Keymap *channelKeymap[16]; 
 
    int channelPatchForced[16]; 
 
    uchar   patchmap[128];
 
    Keymap *patchKeymap[128];
 
    Keymap *keymaps; 
 
    char *_filename; 
 
    int mapExpressionToVolumeEvents; 
 
    int mapPitchBender;
 
    int pitchBenderRatio; 
 
    void getValue(char *s,char *v);
    void removeSpaces(char *s);
    int  countWords(char *s);
    void getWord(char *t,char *s,int w); 
    // get from s the word in position  w and store it in t
 
    void deallocateMaps(void);
    Keymap *createKeymap(char *name,uchar use_same_note=0,uchar note=0);
    void readPatchmap(FILE *fh);
    void readKeymap(FILE *fh,char *first_line);
    void readChannelmap(FILE *fh);
    void readOptions(FILE *fh);
 
    void addKeymap(Keymap *newkm);
    Keymap *keymap(char *n);
 
  public:
    MidiMapper(const char *name);
 
    ~MidiMapper();
 
    void loadFile(const char *name);    
 
    int  ok(void) { return _ok; }
 
    uchar channel(uchar chn) { return channelmap[chn];}
 
    uchar patch(uchar chn,uchar pgm);
 
    uchar key(uchar chn,uchar pgm, uchar note);
 
    void  pitchBender(uchar chn,uchar &lsb,uchar &msb);
 
    void  controller(uchar chn,uchar &ctl,uchar &v);
 
    const char *filename(void);
 
};
 
#endif