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kdelibs'NoteArray (./kdelibs/libkmid/notearray.h:37)

class NoteArray
{
  private:
    class NoteArrayPrivate;
    NoteArrayPrivate *d;

  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; 
  };

  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 @ref #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);
};

kdelibs'NoteArray::NoteArray() (./kdelibs/libkmid/notearray.cc:30)

NoteArray::NoteArray(void)
{
  totalAllocated=50;
  data=new noteCmd[totalAllocated];
  lastAdded=NULL;
}

kdelibs'NoteArray::~NoteArray() (./kdelibs/libkmid/notearray.cc:37)

NoteArray::~NoteArray()
{
  delete data;
  totalAllocated=0;
}

NoteArray::noteCmd *NoteArray::pointerTo(ulong pos)
{
  if (pos<totalAllocated) return &data[pos];
  while (pos>=totalAllocated)
  {
    noteCmd *tmp=new noteCmd[totalAllocated*2];
    memcpy(tmp,data,sizeof(noteCmd)*totalAllocated);
    delete data;
    data=tmp;
    totalAllocated*=2;
  }
  return &data[pos];
}

kdelibs'NoteArray::at() (./kdelibs/libkmid/notearray.cc:57)

void NoteArray::at(ulong pos, ulong ms,int chn,int cmd,int note)
{
  noteCmd *tmp=pointerTo(pos);
  tmp->ms=ms;
  tmp->chn=chn;
  tmp->cmd=cmd;
  tmp->note=note;
}

kdelibs'NoteArray::at() (./kdelibs/libkmid/notearray.cc:66)

void NoteArray::at(ulong pos, noteCmd s)
{
  noteCmd *tmp=pointerTo(pos);
  tmp->ms=s.ms;
  tmp->chn=s.chn;
  tmp->cmd=s.cmd;
  tmp->note=s.note;
}

NoteArray::noteCmd NoteArray::at(int pos)
{
  return *pointerTo(pos);
}

kdelibs'NoteArray::add() (./kdelibs/libkmid/notearray.cc:80)

void NoteArray::add(ulong ms,int chn,int cmd,int note)
{
  if (lastAdded==NULL)
  {
    lastAdded=data;
    last=0;
  }
  else
  {
    last++;
    if (last==totalAllocated) lastAdded=pointerTo(totalAllocated);
    else lastAdded++;
  }
  lastAdded->ms=ms;
  lastAdded->chn=chn;
  lastAdded->cmd=cmd;
  lastAdded->note=note;
}

kdelibs'NoteArray::next() (./kdelibs/libkmid/notearray.cc:99)

void NoteArray::next(void)
{
  if (it==lastAdded) {it=NULL;return;};
  it++;
}

kdelibs'NoteArray::moveIteratorTo() (./kdelibs/libkmid/notearray.cc:105)

void NoteArray::moveIteratorTo(ulong ms,int *pgm)
{
  noteCmd *ncmd;
  iteratorBegin();
  ncmd=get();
  int pgm2[16];
  for (int j=0;j<16;j++) pgm2[j]=0;
  while ((ncmd!=NULL)&&(ncmd->ms<ms))
  {
    if (ncmd->cmd==2) pgm2[ncmd->chn]=ncmd->note;
    next();
    ncmd=get();
  }
  if (pgm!=NULL)
  {
    for (int i=0;i<16;i++) pgm[i]=pgm2[i];
  }
}