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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /libkmid/notearray.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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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 <kdelibs_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