private static void Write7BitEncodedInt(this IBufferWriter <byte> output, int value)
{
var writer = new LengthWriter(output);
SevenBitEncodedInt.Encode(ref writer, (uint)value);
output.Advance(writer.Count);
}
public static void WriteMaxLength(DICOMBinaryWriter dw, int length)
{
dw.Write((byte)ItemType.MAXIMUM_LENGTH);
dw.WriteNullBytes(1); // Reserved Null Byte
LengthWriter.WriteBigEndian(dw, 4, 2);
LengthWriter.WriteBigEndian(dw, length, 4);
}
private byte[] WriteBody()
{
var body = new byte[0];
using (var stream = new MemoryStream())
{
using (var dw = new DICOMBinaryWriter(stream))
{
//Main body
LengthWriter.WriteBigEndian(dw, ProtocolVersion, 2); //Protocol Version
dw.WriteNullBytes(2); //Reserved Null bytes
dw.Write(CalledEntityTitle.PadRight(16));
dw.Write(CallingEntityTitle.PadRight(16));
dw.WriteNullBytes(32); //Reserved Null bytes
ItemWriter.WriteApplicationContext(dw, ApplicationContext);
foreach (var pc in PresentationContexts)
{
ItemWriter.WritePresentationCtxRequestType(dw, pc);
}
ItemWriter.WriteUserInfo(dw, UserInfo);
body = stream.ToArray();
}
}
return(body);
}
public void WriteBigEndianLength3()
{
var len = 10;
byte[] bytes;
using (var ms = new MemoryStream())
{
var dw = new DICOMBinaryWriter(ms);
VR vr = VR.CodeString;
DICOMIOSettings settings = new DICOMIOSettings()
{
TransferSyntax = TransferSyntax.EXPLICIT_VR_BIG_ENDIAN, DoWriteIndefiniteSequences = false
};
var data = new byte[10];
LengthWriter.Write(dw, vr, settings, data != null ? data.Length : 0);
bytes = ms.ToArray();
}
var read = LengthReader.ReadLittleEndian(bytes);
Assert.AreNotEqual(len, read);
read = LengthReader.ReadBigEndian(bytes);
Assert.AreEqual(len, read);
}
private static void WriteUIDItem(DICOMBinaryWriter dw, ItemType iType, string uid)
{
if (!string.IsNullOrEmpty(uid))
{
dw.Write((byte)iType);
dw.WriteNullBytes(1); // Reserved Null Byte
LengthWriter.WriteBigEndian(dw, uid.Length, 2);
dw.Write(uid);
}
}
public static void WriteAsyncOperations(DICOMBinaryWriter dw, AsyncOperations ao)
{
if (ao != null)
{
dw.Write((byte)ItemType.ASYNCHRONOUS_OPERATIONS_WINDOW);
dw.WriteNullBytes(1); // Reserved Null Byte
LengthWriter.WriteBigEndian(dw, 4, 2);
LengthWriter.WriteBigEndian(dw, ao.MaxInvokeOperations, 2);
LengthWriter.WriteBigEndian(dw, ao.MaxPerformOperations, 2);
}
}
public void WriteLittleEndian2()
{
var len = 2500;
byte[] bytes;
using (var ms = new MemoryStream())
{
var dw = new DICOMBinaryWriter(ms);
LengthWriter.WriteLittleEndian(dw, len, 2);
bytes = ms.ToArray();
}
var read = LengthReader.ReadLittleEndian(bytes);
Assert.AreEqual(len, read);
}
public static void WritePDVItem(DICOMBinaryWriter dw, PDVItem pdv)
{
//Write fragment first so we have length
var fragment = new byte[0];
using (var stream = new MemoryStream())
{
using (var fragDw = new DICOMBinaryWriter(stream))
{
WritePDVFragment(fragDw, pdv.Fragment);
fragment = stream.ToArray();
}
}
LengthWriter.WriteBigEndian(dw, fragment.Length + 1, 4);
dw.Write((byte)pdv.PresentationContextID);
dw.Write(fragment);
}
public byte[] Write()
{
var written = new byte[0];
var stream = new MemoryStream();
using (var dw = new DICOMBinaryWriter(stream))
{
dw.Write((byte)PDUType.A_ABORT);
dw.WriteNullBytes(1); //Reserved Null byte
LengthWriter.WriteBigEndian(dw, 4, 4);
dw.WriteNullBytes(2); //Reserved Null bytes
dw.Write((byte)Source);
dw.Write((byte)Reason);
written = stream.ToArray();
}
return(written);
}
public byte[] Write()
{
var written = new byte[0];
using (var stream = new MemoryStream())
{
using (var dw = new DICOMBinaryWriter(stream))
{
dw.Write((byte)PDUType.P_DATA_TRANSFER);
dw.WriteNullBytes(1); //Reserved Null byte
byte[] items = WriteItems();
LengthWriter.WriteBigEndian(dw, items.Length, 4);
dw.Write(items);
written = stream.ToArray();
}
}
return(written);
}
public byte[] Write()
{
var written = new byte[0];
using (var stream = new MemoryStream())
{
using (var dw = new DICOMBinaryWriter(stream))
{
dw.Write((byte)PDUType.A_ASSOC_REQUEST);
dw.WriteNullBytes(1); //Reserved Null byte
var body = WriteBody();
LengthWriter.WriteBigEndian(dw, body.Length, 4);
dw.Write(body);
written = stream.ToArray();
}
}
return(written);
}
public static void WritePresentationCtxAcceptType(DICOMBinaryWriter dw, PresentationContext pc)
{
dw.Write((byte)ItemType.PRESENTATION_CONTEXT_ACCEPT);
dw.WriteNullBytes(1); //Reserved Null Byte
byte[] internBytes; //Will use to get length
using (var stream = new MemoryStream())
{
using (var intern = new DICOMBinaryWriter(stream))
{
intern.Write((byte)pc.Id);
intern.WriteNullBytes(1);
intern.Write((byte)pc.Reason);
intern.WriteNullBytes(1);
WriteTransferSyntax(intern, pc.TransferSyntaxes.First());
internBytes = stream.ToArray();
}
}
LengthWriter.WriteBigEndian(dw, internBytes.Length, 2);
dw.Write(internBytes);
}
public static void WriteUserInfo(DICOMBinaryWriter dw, UserInfo info)
{
dw.Write((byte)ItemType.USER_INFO);
dw.WriteNullBytes(1); // Reserved Null Byte
var body = new byte[0];
using (var stream = new MemoryStream()) //Will write inner object to get length
{
using (var wr = new DICOMBinaryWriter(stream))
{
WriteMaxLength(wr, info.MaxPDULength);
WriteImplementationClassUID(wr, info.ImplementationUID);
WriteAsyncOperations(wr, info.AsynchronousOperations);
WriteImplementationVersion(wr, info.ImplementationVersion);
body = stream.ToArray();
}
}
LengthWriter.WriteBigEndian(dw, body.Length, 2);
dw.Write(body);
}
