root/trunk/libjdkmidi/trunk/include/jdkmidi/edittrack.h

/*
 *  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_EDITTRACK_H
#define JDKMIDI_EDITTRACK_H

#include "jdkmidi/track.h"
#include "jdkmidi/matrix.h"
#include "jdkmidi/process.h"

namespace jdkmidi
{

  class MIDIEditTrackEventMatcher
  {
    public:
      MIDIEditTrackEventMatcher();
      virtual ~MIDIEditTrackEventMatcher();
      
      virtual bool Match ( const MIDITimedBigMessage &ev ) =0;
  };
  
  
  class  MIDIEditTrack
  {
    public:
      MIDIEditTrack ( MIDITrack *track_ );
      virtual ~MIDIEditTrack();
      
      //
      // Process applies a MIDI process to all events that are matched
      //
      
      void  Process (
        MIDIClockTime start_time,
        MIDIClockTime end_time,
        MIDIProcessor *process,
        MIDIEditTrackEventMatcher *match
      );
      
      //
      // Truncate erases all events after a certain time. then
      // adds appropriate note off's
      //
      void    Truncate ( MIDIClockTime start_time );
      
      
      //
      // this merge function merges two other tracks into this track.
      // this is the faster form of merge
      //
      void Merge (
        MIDITrack *trk1, MIDITrack *trk2,
        MIDIEditTrackEventMatcher *match1,
        MIDIEditTrackEventMatcher *match2 );
        
        
      //
      // this erase function will erase all events from start to end time
      // and can be jagged or not.
      //
      void Erase (
        MIDIClockTime start,
        MIDIClockTime end,
        bool jagged=true,
        MIDIEditTrackEventMatcher *match=0
      );
      
      
      
      //
      // this delete function will delete all events like erase and then
      // shift the events over
      //
      void    Delete (
        MIDIClockTime start,
        MIDIClockTime end,
        bool jagged=true,
        MIDIEditTrackEventMatcher *match=0
      );
      
      
      //
      // this insert function will insert 'length' clicks starting at
      // the events at start time.
      //
      void Insert (
        MIDIClockTime start,
        MIDIClockTime length
      );
      
      
      //
      // this shift function will shift all event times by an offset.
      //
      void Shift (
        signed long offset,
        MIDIEditTrackEventMatcher *match=0
      );
      
    protected:
    
      MIDIMatrix matrix;
      MIDITrack *track;
      
    private:
    
  };
  
  
}

#endif