171 lines
3.8 KiB
C
171 lines
3.8 KiB
C
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#include "mapping.H"
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#include "stdlib.h"
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#include "common.h"
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#include <MIDI/midievent.H>
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using namespace MIDI;
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/* Is C++'s dispatching useless or what? */
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#define IS_INSTRUMENT ( _type == INSTRUMENT )
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Mapping::Mapping ( )
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{
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_key = 0;
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_type = NONE;
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}
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bool
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Mapping::open ( enum map_type type, const char *name )
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{
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switch ( type )
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{
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case INSTRUMENT:
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_instrument = Instrument::open( name );
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break;
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case SCALE:
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_scale = Scale::open( name );
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break;
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default:
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ASSERTION( "invalid mapping type ");
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break;
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}
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if ( ! _scale )
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return false;
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_type = type;
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return true;
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}
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Mapping::Mapping ( const Mapping &rhs )
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{
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_key = rhs._key;
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_type = rhs._type;
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_instrument = rhs._instrument;
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}
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const char *
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Mapping::name ( void ) const
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{
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switch ( _type )
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{
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case INSTRUMENT:
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return _instrument->name();
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case SCALE:
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return _scale->name();
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}
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return NULL;
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}
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int
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Mapping::height ( void ) const
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{
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if ( IS_INSTRUMENT )
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return _instrument->height();
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else
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return 0;
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}
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void
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Mapping::key ( int n )
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{
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if ( n > 11 || n < 0 )
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ASSERTION( "key selection out of range: %d", n );
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_key = n;
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}
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int
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Mapping::key ( void ) const
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{
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return _type == INSTRUMENT ? -1 : _key;
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}
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bool
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Mapping::translate ( midievent *e ) const
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{
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switch ( _type )
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{
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case INSTRUMENT:
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return _instrument->translate( e );
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case SCALE:
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return _scale->translate( _key, e );
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}
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return false;
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}
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int
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Mapping::velocity ( int n ) const
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{
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switch ( _type )
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{
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case INSTRUMENT:
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return _instrument->velocity( n );
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case SCALE:
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return 0;
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}
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return 0;
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}
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const char *
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Mapping::note_name ( int n ) const
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{
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switch ( _type )
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{
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case INSTRUMENT:
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return _instrument->note_name( n );
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case SCALE:
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return _scale->note_name( _key, n );
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}
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return NULL;
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}
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/* For the instrument editor... */
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Instrument *
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Mapping::instrument ( void ) const
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{
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if ( IS_INSTRUMENT )
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return _instrument;
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else
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return NULL;
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}
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/** return a string describing the type of this mapping */
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const char *
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Mapping::type ( void ) const
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{
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return IS_INSTRUMENT ? "Instrument" : "Scale";
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}
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bool
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Mapping::editable ( void ) const
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{
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return IS_INSTRUMENT ? true : false;
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}
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