public void ReadTag(ushort tag, ExifHeader headerType, ExifPhoto photo)
{
var currentPos = _jpegFileReader.BaseStream.Position;
var fieldtype = (ExifFieldType)_binaryReader.ReadUInt16();
var length = _binaryReader.ReadUInt32();
var value = _binaryReader.ReadUInt32();
switch (fieldtype)
{
case ExifFieldType.AsciiStrings:
SeekToTiffHeaderRelativeOffset(value);
photo.SetMatchingProperty(tag, headerType, _binaryReader.ReadString((int)length));
break;
case ExifFieldType.UnsignedRational:
SeekToTiffHeaderRelativeOffset(value);
photo.SetMatchingProperty(tag, headerType, _binaryReader.ReadUnsignedRational());
break;
case ExifFieldType.UnsignedLong:
photo.SetMatchingProperty(tag, headerType, value);
break;
}
_jpegFileReader.BaseStream.Seek(currentPos + 2 + 4 + 4, SeekOrigin.Begin);
}
