public void read(System.IO.BinaryReader reader)
{
tag = reader.ReadUInt16();
int typeID = reader.ReadUInt16();
int count = reader.ReadInt32();
TiffData.TIFFdataType tifType;
if (Enum.IsDefined(typeof(TiffData.TIFFdataType), typeID))
{
tifType = (TiffData.TIFFdataType)typeID;
}
else
{
tifType = TiffData.TIFFdataType.Undefined;
}
data = new TiffData(tifType, count);
if (data.dataLength() <= 4)
{
readData(reader);
offset = -1;
}
else
{
offset = reader.ReadUInt32();
}
}
public void write(System.IO.BinaryWriter writer, ref uint currPos)
{
writer.Write(Convert.ToUInt16(tag));
writer.Write(Convert.ToUInt16(data.TiffType));
writer.Write(data.Count);
uint length = (uint)(data.dataLength());
if (length <= 4)
{
data.write(writer);
for (int i = 0; i < 4 - (int)length; i++)
{
writer.Write((byte)0);
}
}
else
{
writer.Write(currPos);
currPos += length;
}
}
