libkmid Library API Documentation

notearray.cc

00001 /************************************************************************** 00002 00003 notearray.cc - NoteArray class, which holds an array of notes 00004 This file is part of LibKMid 0.9.5 00005 Copyright (C) 1998,99,2000 Antonio Larrosa Jimenez 00006 LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html 00007 00008 This library is free software; you can redistribute it and/or 00009 modify it under the terms of the GNU Library General Public 00010 License as published by the Free Software Foundation; either 00011 version 2 of the License, or (at your option) any later version. 00012 00013 This library is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 Library General Public License for more details. 00017 00018 You should have received a copy of the GNU Library General Public License 00019 along with this library; see the file COPYING.LIB. If not, write to 00020 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00021 Boston, MA 02111-1307, USA. 00022 00023 Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org> 00024 00025 ***************************************************************************/ 00026 00027 #include "notearray.h" 00028 #include <string.h> 00029 00030 NoteArray::NoteArray(void) 00031 { 00032 totalAllocated=50; 00033 data=new noteCmd[totalAllocated]; 00034 lastAdded=0L; 00035 } 00036 00037 NoteArray::~NoteArray() 00038 { 00039 delete data; 00040 totalAllocated=0; 00041 } 00042 00043 NoteArray::noteCmd *NoteArray::pointerTo(ulong pos) 00044 { 00045 if (pos<totalAllocated) return &data[pos]; 00046 while (pos>=totalAllocated) 00047 { 00048 noteCmd *tmp=new noteCmd[totalAllocated*2]; 00049 memcpy(tmp,data,sizeof(noteCmd)*totalAllocated); 00050 delete data; 00051 data=tmp; 00052 totalAllocated*=2; 00053 } 00054 return &data[pos]; 00055 } 00056 00057 void NoteArray::at(ulong pos, ulong ms,int chn,int cmd,int note) 00058 { 00059 noteCmd *tmp=pointerTo(pos); 00060 tmp->ms=ms; 00061 tmp->chn=chn; 00062 tmp->cmd=cmd; 00063 tmp->note=note; 00064 } 00065 00066 void NoteArray::at(ulong pos, noteCmd s) 00067 { 00068 noteCmd *tmp=pointerTo(pos); 00069 tmp->ms=s.ms; 00070 tmp->chn=s.chn; 00071 tmp->cmd=s.cmd; 00072 tmp->note=s.note; 00073 } 00074 00075 NoteArray::noteCmd NoteArray::at(int pos) 00076 { 00077 return *pointerTo(pos); 00078 } 00079 00080 void NoteArray::add(ulong ms,int chn,int cmd,int note) 00081 { 00082 if (lastAdded==NULL) 00083 { 00084 lastAdded=data; 00085 last=0; 00086 } 00087 else 00088 { 00089 last++; 00090 if (last==totalAllocated) lastAdded=pointerTo(totalAllocated); 00091 else lastAdded++; 00092 } 00093 lastAdded->ms=ms; 00094 lastAdded->chn=chn; 00095 lastAdded->cmd=cmd; 00096 lastAdded->note=note; 00097 } 00098 00099 void NoteArray::next(void) 00100 { 00101 if (it==lastAdded) {it=NULL;return;}; 00102 it++; 00103 } 00104 00105 void NoteArray::moveIteratorTo(ulong ms,int *pgm) 00106 { 00107 noteCmd *ncmd; 00108 iteratorBegin(); 00109 ncmd=get(); 00110 int pgm2[16]; 00111 for (int j=0;j<16;j++) pgm2[j]=0; 00112 while ((ncmd!=NULL)&&(ncmd->ms<ms)) 00113 { 00114 if (ncmd->cmd==2) pgm2[ncmd->chn]=ncmd->note; 00115 next(); 00116 ncmd=get(); 00117 } 00118 if (pgm!=NULL) 00119 { 00120 for (int i=0;i<16;i++) pgm[i]=pgm2[i]; 00121 } 00122 }
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This file is part of the documentation for libkmid Library Version 3.3.1.
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