jdkmidi class library documentation
Copyright © 2004 J.D. Koftinoff Software, Ltd.
Released under the GNU General Public License (GPL)

---

include/jdkmidi/matrix.h

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/*
 *  libjdkmidi-2004 C++ Class Library for MIDI
 *
 *  Copyright (C) 2004  J.D. Koftinoff Software, Ltd.
 *  www.jdkoftinoff.com
 *  jeffk@jdkoftinoff.com
 *
 *  *** RELEASED UNDER THE GNU GENERAL PUBLIC LICENSE (GPL) April 27, 2004 ***
 *
 *  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; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
/*
**  Copyright 1986 to 1998 By J.D. Koftinoff Software, Ltd.
**
**  All rights reserved.
**
**  No one may duplicate this source code in any form for any reason
**  without the written permission given by J.D. Koftinoff Software, Ltd.
**
*/

#ifndef _JDKMIDI_MATRIX_H
#define _JDKMIDI_MATRIX_H


#include "jdkmidi/midi.h"
#include "jdkmidi/msg.h"

namespace jdkmidi
{
  
  class   MIDIMatrix
    {
    public:
      MIDIMatrix();
      virtual ~MIDIMatrix();
      
      virtual bool  Process( const MIDIMessage &m );
      
      virtual void  Clear();
      
      int GetTotalCount() const
        { 
          return total_count;           
        }
      int GetChannelCount( int channel ) const
        { 
          return channel_count[channel];    
        }
      
      int GetNoteCount( int channel, int note ) const
        { 
          return note_on_count[channel][note];  
        }
      
      bool GetHoldPedal( int channel ) const
        { 
          return hold_pedal[channel];       
        }
      
      
    protected:
      virtual void  DecNoteCount( const MIDIMessage &m, int channel, int note );
      virtual void  IncNoteCount( const MIDIMessage &m, int channel, int note );
      virtual void  ClearChannel( int channel );
      virtual void  OtherMessage( const MIDIMessage &m );
      
      void  SetNoteCount(unsigned char chan,unsigned char note,unsigned char val)
        { 
          note_on_count[chan][note]=val;  
        }
      void  SetChannelCount( unsigned char chan, int val )
        { 
          channel_count[chan]=val;    
        }
      
    private:
      unsigned char note_on_count[16][128];
      int channel_count[16];
      bool hold_pedal[16];
      int total_count;
    };
  
}


#endif