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();
}
}
/// <summary>
/// Does deep copy.
/// </summary>
/// <returns>A deep copy of this instance.</returns>
public object Clone()
{
TiffData temp = new TiffData(this.type, this.count);
temp.setContent(content);
return(temp);
}
/// <summary>
/// Construct an instance of TIFFinfo that contains a 16-bit integer. Type ID is 8.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="data">A 16-bit integer to be boxed in the info.</param>
public TiffInfo(ushort tag, string name, short data)
{
this.tag = tag;
this.name = string.Copy(name);
this.data = new TiffData(TiffData.TIFFdataType.SignedShort, 1);
this.data.setContent(new short[1] {
data
});
}
/// <summary>
/// Construct an instance of TIFFinfo that contains a double data. Type ID is 12.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="data">A double data to be boxed in the info.</param>
public TiffInfo(ushort tag, string name, double data)
{
this.tag = tag;
this.name = string.Copy(name);
this.data = new TiffData(TiffData.TIFFdataType.Double, 1);
this.data.setContent(new double[1] {
data
});
}
/// <summary>
/// Construct an instance of TIFFinfo that contains an unsigned rational number Type ID is 5.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="numerator">Numberator of the rational number.</param>
/// <param name="denominator">Denominator of the rational number.</param>
public TiffInfo(ushort tag, string name, uint numerator, uint denominator)
{
this.tag = tag;
this.name = string.Copy(name);
this.data = new TiffData(TiffData.TIFFdataType.Rational, 1);
this.data.setContent(new uint[2] {
numerator, denominator
});
}
/// <summary>
/// Construct an instance of TIFFinfo that contains a 32-bit unsigned integer. Type ID is 4.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="data">A 32-bit unsigned integer to be boxed in the info.</param>
public TiffInfo(ushort tag, string name, uint data)
{
this.tag = tag;
this.name = string.Copy(name);
this.data = new TiffData(TiffData.TIFFdataType.Long, 1);
this.data.setContent(new uint[1] {
data
});
}
/// <summary>
/// Construct an instance of TIFFinfo that contains a given instance of TIFFdata.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="data">Data to be wrapped into the info.</param>
internal TiffInfo(ushort tag, string name, TiffData data)
{
if (data == null)
{
return;
}
this.tag = tag;
this.name = string.Copy(name);
this.data = data.Clone() as TiffData;
}
/// <summary>
/// Construct an instance of TIFFinfo that contains a signed byte array. Type ID is 6.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="data">A byte array tobe wrapped into the info.</param>
public TiffInfo(ushort tag, string name, sbyte[] data)
{
this.tag = tag;
this.name = string.Copy(name);
if (data == null)
{
this.data = new TiffData(TiffData.TIFFdataType.SignedByte);
return;
}
this.data = new TiffData(TiffData.TIFFdataType.SignedByte);
this.data.setContent(data);
}
/// <summary>
/// Construct an instance of TIFFinfo that contains a string. Type ID is 2.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="data">A string tobe stored into the info.</param>
public TiffInfo(ushort tag, string name, string data)
{
this.tag = tag;
this.name = string.Copy(name);
if (data == null || data.Length == 0)
{
this.data = new TiffData(TiffData.TIFFdataType.Ascii);
return;
}
char[] temp1 = data.ToCharArray();
char[] temp2 = new char[data.Length + 1];
Array.Copy(temp1, temp2, data.Length);
temp2[data.Length] = '\0';
this.data = new TiffData(TiffData.TIFFdataType.Ascii);
this.data.setContent(temp2);
}
/// <summary>
/// Construct an instance of TIFFinfo that contains an unsigned rational array. Type ID is 5.
/// </summary>
/// <param name="tag">Tag of info.</param>
/// <param name="name">Name the info.</param>
/// <param name="numerator">Numberators.</param>
/// <param name="denominator">Denominators.</param>
public TiffInfo(ushort tag, string name, uint[] numerator, uint[] denominator)
{
this.tag = tag;
this.name = string.Copy(name);
if (numerator == null || denominator == null)
{
this.data = new TiffData(TiffData.TIFFdataType.Rational);
return;
}
int length = System.Math.Min(numerator.Length, denominator.Length);
uint[] temp = new uint[length * 2];
for (int i = 0; i < length; i++)
{
temp[2 * i] = numerator[i];
temp[2 * i + 1] = denominator[i];
}
this.data = new TiffData(TiffData.TIFFdataType.Rational);
this.data.setContent(temp);
}
