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123 lines
2.9 KiB
123 lines
2.9 KiB
/**************************************************************************
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notearray.cc - NoteArray class, which holds an array of notes
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This file is part of LibKMid 0.9.5
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Copyright (C) 1998,99,2000 Antonio Larrosa Jimenez
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LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org>
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***************************************************************************/
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#include "notearray.h"
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#include <string.h>
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NoteArray::NoteArray(void)
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{
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totalAllocated=50;
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data=new noteCmd[totalAllocated];
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lastAdded=0L;
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}
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NoteArray::~NoteArray()
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{
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delete data;
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totalAllocated=0;
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}
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NoteArray::noteCmd *NoteArray::pointerTo(ulong pos)
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{
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if (pos<totalAllocated) return &data[pos];
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while (pos>=totalAllocated)
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{
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noteCmd *tmp=new noteCmd[totalAllocated*2];
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memcpy(tmp,data,sizeof(noteCmd)*totalAllocated);
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delete data;
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data=tmp;
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totalAllocated*=2;
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}
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return &data[pos];
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}
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void NoteArray::at(ulong pos, ulong ms,int chn,int cmd,int note)
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{
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noteCmd *tmp=pointerTo(pos);
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tmp->ms=ms;
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tmp->chn=chn;
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tmp->cmd=cmd;
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tmp->note=note;
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}
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void NoteArray::at(ulong pos, noteCmd s)
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{
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noteCmd *tmp=pointerTo(pos);
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tmp->ms=s.ms;
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tmp->chn=s.chn;
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tmp->cmd=s.cmd;
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tmp->note=s.note;
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}
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NoteArray::noteCmd NoteArray::at(int pos)
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{
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return *pointerTo(pos);
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}
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void NoteArray::add(ulong ms,int chn,int cmd,int note)
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{
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if (lastAdded==NULL)
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{
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lastAdded=data;
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last=0;
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}
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else
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{
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last++;
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if (last==totalAllocated) lastAdded=pointerTo(totalAllocated);
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else lastAdded++;
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}
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lastAdded->ms=ms;
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lastAdded->chn=chn;
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lastAdded->cmd=cmd;
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lastAdded->note=note;
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}
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void NoteArray::next(void)
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{
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if (it==lastAdded) {it=NULL;return;};
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it++;
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}
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void NoteArray::moveIteratorTo(ulong ms,int *pgm)
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{
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noteCmd *ncmd;
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iteratorBegin();
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ncmd=get();
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int pgm2[16];
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for (int j=0;j<16;j++) pgm2[j]=0;
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while ((ncmd!=NULL)&&(ncmd->ms<ms))
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{
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if (ncmd->cmd==2) pgm2[ncmd->chn]=ncmd->note;
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next();
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ncmd=get();
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}
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if (pgm!=NULL)
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{
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for (int i=0;i<16;i++) pgm[i]=pgm2[i];
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}
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}
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