/// <summary>Creates a collection from ISF data in the specified stream</summary>
/// <param name="stream">Stream of ISF data</param>
public StrokeCollection(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (!stream.CanRead)
{
throw new ArgumentException(SR.Get(SRID.Image_StreamRead), "stream");
}
Stream seekableStream = GetSeekableStream(stream);
if (seekableStream == null)
{
throw new ArgumentException(SR.Get(SRID.Invalid_isfData_Length), "stream");
}
//this will init our stroke collection
StrokeCollectionSerializer serializer = new StrokeCollectionSerializer(this);
serializer.DecodeISF(seekableStream);
}