non/mapping.H

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2007-12-18 05:09:02 +01:00
/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU General Public License as published by the */
/* Free Software Foundation; either version 2 of the License, or (at your */
/* option) any later version. */
/* */
/* 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 for */
/* more details. */
/* */
/* You should have received a copy of the GNU General Public License along */
/* with This program; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#pragma once
#include "scale.H"
#include "instrument.H"
/* C++'s inheritance system falls down dead for this application, so we
have to do it backwards, using the base class (Mapping) as an interface
to Instrument and Scale */
class Mapping
{
public:
enum map_type { NONE, INSTRUMENT, SCALE };
private:
union {
Instrument *_instrument;
Scale *_scale;
};
int _key; /* used for scales, 0 == A */
int _type;
public:
Mapping ( );
Mapping ( const Mapping &rhs );
bool open ( map_type type, const char *name );
const char * name ( void ) const;
int height ( void ) const;
Instrument * instrument ( void ) const;
/* mutation */
void note ( int from, int to );
void velocity ( int n, int v );
void note_name ( int n, char *s );
void key ( int n );
/* inspection */
bool translate ( midievent *e ) const;
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const char * note_name ( int n ) const;
int velocity ( int n ) const;
int key ( void ) const;
bool editable ( void ) const;
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const char * type ( void ) const;
};