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-/* notearray.h - NoteArray class, which holds an array of notes
- This file is part of LibKMid 0.9.5
- Copyright (C) 1998,99,2000 Antonio Larrosa Jimenez
- LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.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 NOTEARRAY_H
-#define NOTEARRAY_H
-
-#include <libkmid/dattypes.h>
-#include <tdelibs_export.h>
-
-/**
- * Holds a resizeable array of note on/off and patch change events. It can
- * increase it size, but it doesn't decreases (until destruction :-) )
- *
- * @short Stores an array of note on/off events
- * @version 0.9.5 17/01/2000
- * @author Antonio Larrosa Jimenez <larrosa@kde.org>
- */
-class KMID_EXPORT NoteArray
-{
- private:
- class NoteArrayPrivate;
- NoteArrayPrivate *d;
-
- public:
- struct noteCmd {
- /**
- * ms from beginning of song
- */
- ulong ms;
-
- /**
- * The channel
- */
- int chn;
-
- /**
- * 0 note off, 1 note on, 2 change patch
- */
- int cmd;
-
- /**
- * The note.
- *
- * If cmd==2, then the patch is stored in "note"
- */
- int note;
- };
-
- private:
- noteCmd *data;
- ulong totalAllocated;
-
- ulong last;
- noteCmd *lastAdded;
-
- /**
- * @internal
- * The iterator
- */
- noteCmd *it;
-
- noteCmd *pointerTo(ulong pos);
-
- public:
- /**
- * Constructor. Initializes internal variables.
- */
- NoteArray(void);
- /**
- * Destructor.
- */
- ~NoteArray();
-
- /**
- * Adds (or modifies) an event in the given position .
- *
- * Note that this has nothing to do with what is being played, this just
- * modifies an internal array.
- */
- void at(ulong pos, ulong ms,int chn,int cmd,int note);
-
- /**
- * A convenience function, which differs from the above in the parameters
- * it accepts.
- */
- void at(ulong pos, noteCmd s);
-
- /**
- * Returns the note event at a given position.
- */
- noteCmd at(int pos);
-
- /**
- * Adds a note/patch event at a given millisecond.
- *
- * Note: This method always appends at the end of the list.
- */
- void add(ulong ms,int chn,int cmd,int note);
-
- /**
- * Initializes the iterator.
- *
- * @see get()
- * @see next()
- */
- void iteratorBegin(void) { it=data; }
-
- /**
- * Get the command currently pointed to by the iterator.
- */
- noteCmd *get(void) { return it; }
-
- /**
- * Advances the iterator to the next position.
- */
- void next(void);
-
- /**
- * Calls next() until the next event is over ms milliseconds
- * and puts in @p pgm[16] the instruments used at this moment.
- */
- void moveIteratorTo(ulong ms,int *pgm=NULL);
-};
-
-#endif