public GTrack Read(Stream MapStream)
{
var data = ReadBytes(MapStream, _recordLength);
var number = data[0];
var childrenCount = data[1];
var childrenStartAddress = SubInt(data, 2, 3);
if (childrenStartAddress == 0xffffff)
{
return(null);
}
var track = new GTrack(number);
if (childrenCount > 0)
{
if (childrenStartAddress == 0)
{
throw new IndexOutOfRangeException();
}
var previousPosition = MapStream.Position;
MapStream.Seek(childrenStartAddress, SeekOrigin.Begin);
for (var i = 0; i < childrenCount; i++)
{
var obj = _objectReader.Read(MapStream);
track.Objects.Add(obj);
}
MapStream.Seek(previousPosition, SeekOrigin.Begin);
}
return(track);
}
private string TrackName(GTrack Track)
{
if (Track.Number <= 15)
return string.Format("{0}П", Track.Number);
return string.Format("{0}Н", Track.Number - 15);
}
protected double PrintTrack(DrawingContext dc, GTrack Track)
{
var postLabel = new FormattedText(string.Format("Путь {0}", Track.Number), CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
new Typeface("Verdana"), 10, mainBrush);
dc.DrawText(postLabel, new Point());
return postLabel.Height;
}
