public void Save()
{
if (stream != null)
{
stream.Close();
stream.Dispose();
stream = null;
}
try
{
// TODO if an exception is thrown, the old file is truncated
dicom.Write(filename);
}
catch (Exception ex)
{
MessageBox.Show(Logging.Log(ex));
}
finally
{
if (stream != null)
{
stream.Close();
stream.Dispose();
stream = null;
}
}
}
internal bool SendPdu(ServiceClass service, MessageType type, string message, DataSet dicom)
{
bool result = true;
if (State == State.Aborted)
{
throw AbortException;
}
if (service != null)
{
service.LastMessage = null;
}
dicom.Part10Header = false;
dicom.TransferSyntaxUID = MessageControl.IsCommand(type) ? Syntax.ImplicitVrLittleEndian : service.Syntaxes[0];
MemoryStream memory = new MemoryStream();
dicom.Write(memory);
byte[] bytes = memory.ToArray();
PresentationDataPdu pdu = null;
PresentationDataValue pdv = null;
int index = 0;
int remaining = (int)memory.Length;
int size = this.packetSize - 128;
State = (State != State.Closing) ? State.Waiting : State;
while (remaining > this.packetSize && result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], type, bytes, index, size);
pdu.Values.Add(pdv);
result = Send(message, pdu);
index += size;
remaining -= size;
}
if (result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], type + 2, bytes, index, remaining);
pdu.Values.Add(pdv);
result = Send(message, pdu);
}
return(result);
}
private void Shift(string filename)
{
using (FileStream stream = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Read, FileShare.Read))
{
EK.Capture.Dicom.DicomToolKit.DataSet dicom = new EK.Capture.Dicom.DicomToolKit.DataSet();
dicom.Read(stream);
stream.Close();
// apply the shift to the image pixels
ushort[] pixels = (ushort[])dicom[t.PixelData].Value;
for (int n = 0; n < pixels.Length; n++)
{
pixels[n] = lut[pixels[n]];
}
if (AddPixelValuesCheckBox.Checked)
{
pixels[0] = 0;
pixels[1] = (ushort)(maxvalue - 1);
}
dicom.Set(t.BitsStored, N);
dicom.Set(t.HighBit, N - 1);
if (AddPixelValuesCheckBox.Checked)
{
pixels[0] = 0;
pixels[1] = (ushort)(maxvalue - 1);
dicom.Set(t.SmallestImagePixelValue, (ushort)0);
dicom.Set(t.LargestImagePixelValue, (ushort)(maxvalue - 1));
}
else
{
dicom.Set(t.SmallestImagePixelValue, (ushort)(maxvalue / 4));
dicom.Set(t.LargestImagePixelValue, maxvalue - maxvalue / 4);
}
dicom.Set(t.WindowWidth, maxvalue / 2);
dicom.Set(t.WindowCenter, maxvalue / 2);
FileInfo info = new FileInfo(filename);
String text = filename.Replace(info.Extension, "");
text += "a" + info.Extension;
dicom.Write(text);
}
}
internal bool SendDataPdu(ServiceClass service, string message, DataSet dicom)
{
bool result = true;
dicom.Part10Header = false;
dicom.TransferSyntaxUID = service.Syntaxes[0];
MemoryStream memory = new MemoryStream();
dicom.Write(memory);
byte[] bytes = memory.ToArray();
PresentationDataPdu pdu = null;
PresentationDataValue pdv = null;
int index = 0;
int remaining = (int)memory.Length;
int size = this.packetSize - 128;
while (remaining > this.packetSize && result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], MessageType.DataSet, bytes, index, size);
pdu.Values.Add(pdv);
result = SendPdu(service, message, pdu);
index += size;
remaining -= size;
}
if (result)
{
pdu = new PresentationDataPdu(service.Syntaxes[0]);
pdv = new PresentationDataValue(service.PresentationContextId, service.Syntaxes[0], MessageType.LastDataSet, bytes, index, remaining);
pdu.Values.Add(pdv);
result = SendPdu(service, message, pdu);
}
return(result);
}
public void OnData(MessageType control, Message message)
{
Logging.Log("StorageServiceSCP.OnData");
DataSet dicom = message.Dicom;
if (MessageControl.IsCommand(control))
{
AffectedSOPInstanceUID = (string)dicom[t.AffectedSOPInstanceUID].Value;
MessageId = (ushort)dicom[t.MessageId].Value;
}
else
{
dicom.Add(t.GroupLength(2), (ulong)0);
dicom.Add(t.FileMetaInformationVersion, new byte[] { 0, 1 });
dicom.Add(t.MediaStorageSOPClassUID, this.SOPClassUId);
dicom.Add(t.MediaStorageSOPInstanceUID, this.AffectedSOPInstanceUID);
dicom.Add(t.TransferSyntaxUID, this.syntaxes[0]);
dicom.Add(t.ImplementationClassUID, "1.2.3.4");
dicom.Add(t.ImplementationVersionName, "not specified");
dicom.Part10Header = true;
dicom.TransferSyntaxUID = syntaxes[0];
int status = 0x0000;
ImageStoredEventArgs image = new ImageStoredEventArgs(dicom);
image.CallingAeTitle = association.CallingAeTitle;
image.CallingAeIpAddress = association.CallingAeIpAddress;
if (ImageStored != null)
{
try
{
ImageStored(this, image);
if (image.Cancel)
{
status = 0xC000;
}
}
catch (Exception ex)
{
status = 0xA700;
Logging.Log(LogLevel.Error, String.Format("Exception caught from ImageStored, {0}", ex.Message));
}
}
#if DEBUG
else
{
string uid = (string)dicom[t.SOPInstanceUID].Value;
dicom.Write(uid + ".dcm");
}
#endif
DataSet response = new DataSet();
response.Add(t.GroupLength(0), (uint)144); // the number is calculated later anyway
response.Add(t.AffectedSOPClassUID, this.SOPClassUId); //
response.Add(t.CommandField, (ushort)CommandType.C_STORE_RSP); //
response.Add(t.MessageIdBeingRespondedTo, MessageId);
response.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent); //
response.Add(t.Status, status);
response.Add(t.AffectedSOPInstanceUID, AffectedSOPInstanceUID);
SendCommand("C-STORE-RSP", response);
}
}
public void OnData(MessageType control, Message message)
{
Logging.Log("MppsServiceSCP.OnData");
DataSet dicom = message.Dicom;
if (MessageControl.IsCommand(control))
{
command = (ushort)dicom[t.CommandField].Value;
SOPInstanceUID = (command == (ushort)CommandType.N_CREATE_RQ) ?
(string)dicom[t.AffectedSOPInstanceUID].Value :
(string)dicom[t.RequestedSOPInstanceUID].Value;
MessageId = (ushort)dicom[t.MessageId].Value;
}
else
{
dicom.Add(t.GroupLength(2), (ulong)0);
dicom.Add(t.FileMetaInformationVersion, new byte[] { 0, 1 });
dicom.Add(t.MediaStorageSOPClassUID, this.SOPClassUId);
dicom.Add(t.MediaStorageSOPInstanceUID, this.SOPInstanceUID);
dicom.Add(t.TransferSyntaxUID, this.syntaxes[0]);
dicom.Add(t.ImplementationClassUID, "1.2.3.4");
dicom.Add(t.ImplementationVersionName, "not specified");
dicom.Part10Header = true;
dicom.TransferSyntaxUID = syntaxes[0];
MppsEventArgs mpps = new MppsEventArgs(SOPInstanceUID, command, dicom);
mpps.CallingAeTitle = association.CallingAeTitle;
mpps.CallingAeIpAddress = association.CallingAeIpAddress;
if (command == (ushort)CommandType.N_CREATE_RQ && MppsCreate != null)
{
MppsCreate(this, mpps);
}
else if (command == (ushort)CommandType.N_SET_RQ && MppsSet != null)
{
MppsSet(this, mpps);
}
else
{
string uid = (string)dicom[t.SOPInstanceUID].Value;
dicom.Write(uid + ".dcm");
}
PresentationDataValue pdv = new PresentationDataValue(PresentationContextId, Syntaxes[0], MessageType.LastCommand);
DataSet fragment = new DataSet();
fragment.Add(t.GroupLength(0), (uint)144); //
fragment.Add(t.AffectedSOPClassUID, this.SOPClassUId); //
fragment.Add(t.CommandField, (ushort)command | 0x8000); //
fragment.Add(t.MessageIdBeingRespondedTo, MessageId);
fragment.Add(t.CommandDataSetType, (ushort)DataSetType.DataSetNotPresent); //
fragment.Add(t.Status, (int)((mpps.Cancel) ? 0xC000 : 0));
fragment.Add(t.AffectedSOPInstanceUID, SOPInstanceUID);
pdv.Dicom = fragment;
PresentationDataPdu request = new PresentationDataPdu(syntaxes[0]);
request.Values.Add(pdv);
SendPdu((command == (ushort)CommandType.N_CREATE_RQ) ? "N-CREATE-RSP" : ">> N-SET-RSP", request);
}
}
public long Write(System.IO.Stream stream)
{
return(DataSet.Write(stream));
}
