private void SendOnPresentationContext(DicomClient client, ClientAssociationParameters association, byte pcid, StorageInstance fileToSend, DicomMessage msg)
{
var presContext = association.GetPresentationContext(pcid);
if (msg.TransferSyntax.Encapsulated &&
presContext.AcceptedTransferSyntax.Encapsulated &&
!msg.TransferSyntax.Equals(presContext.AcceptedTransferSyntax))
{
// Compressed in different syntaxes, decompress here first, ChangeTransferSyntax does not convert syntaxes properly in this case.
msg.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian);
}
fileToSend.SentMessageId = client.NextMessageID();
if (_moveOriginatorAe == null)
{
client.SendCStoreRequest(pcid, fileToSend.SentMessageId, DicomPriority.Medium, msg);
}
else
{
client.SendCStoreRequest(pcid, fileToSend.SentMessageId, DicomPriority.Medium, _moveOriginatorAe,
_moveOriginatorMessageId, msg);
}
}
/// <summary>
/// Method to send a DICOM C-STORE-RQ message.
/// </summary>
/// <param name="presentationID"></param>
/// <param name="messageID"></param>
/// <param name="priority"></param>
/// <param name="moveAE"></param>
/// <param name="moveMessageID"></param>
/// <param name="message"></param>
/// <param name="overrideParameters"></param>
public void SendCStoreRequest(byte presentationID, ushort messageID,
DicomPriority priority, string moveAE, ushort moveMessageID, DicomMessage message,
DicomCodecParameters overrideParameters)
{
DicomUid affectedClass = _assoc.GetAbstractSyntax(presentationID);
if (!affectedClass.UID.Equals(message.SopClass.Uid))
throw new DicomException(
String.Format(
"SOP Class Uid in the message {0} does not match SOP Class UID for presentation context {1}",
message.SopClass.Uid, affectedClass.UID));
DicomAttributeCollection command = message.MetaInfo;
message.MessageId = messageID;
message.CommandField = DicomCommandField.CStoreRequest;
message.AffectedSopClassUid = message.SopClass.Uid;
message.DataSetType = 0x0202;
message.Priority = priority;
String sopInstanceUid;
bool ok = message.DataSet[DicomTags.SopInstanceUid].TryGetString(0, out sopInstanceUid);
if (!ok)
throw new DicomException("SOP Instance UID unexpectedly not set in CStore Message being sent.");
message.AffectedSopInstanceUid = sopInstanceUid;
if (!string.IsNullOrEmpty(moveAE))
{
message.MoveOriginatorApplicationEntityTitle = moveAE;
message.MoveOriginatorMessageId = moveMessageID;
}
// Handle compress/decompress if necessary
TransferSyntax contextSyntax = _assoc.GetAcceptedTransferSyntax(presentationID);
if ((contextSyntax != message.TransferSyntax)
&& (contextSyntax.Encapsulated || message.TransferSyntax.Encapsulated))
{
if (overrideParameters != null)
message.ChangeTransferSyntax(contextSyntax, null, overrideParameters);
else
message.ChangeTransferSyntax(contextSyntax);
}
SendDimse(presentationID, command, message.DataSet);
}
private byte SelectPresentationContext(ClientAssociationParameters association, DicomFile file, out DicomMessage message)
{
byte pcid = 0;
message = new DicomMessage(file);
// If Lossy compressed & we have a matching context, send
// If we don't have a codec, just return
if (message.TransferSyntax.Encapsulated && message.TransferSyntax.LossyCompressed)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, message.TransferSyntax);
if (pcid != 0)
{
return(pcid);
}
if (DicomCodecRegistry.GetCodec(message.TransferSyntax) == null)
{
return(0);
}
}
// If the image is lossless compressed & we don't have a codec, send if we
// can as is.
if (message.TransferSyntax.Encapsulated && message.TransferSyntax.LosslessCompressed)
{
if (DicomCodecRegistry.GetCodec(message.TransferSyntax) == null)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, message.TransferSyntax);
return(pcid);
}
}
// If lossless compressed & requesting lossless syntax, just send as is
if (message.TransferSyntax.Encapsulated &&
message.TransferSyntax.LosslessCompressed &&
((_sendRequest.CompressionType == CompressionType.Rle ||
_sendRequest.CompressionType == CompressionType.JpegLossless ||
_sendRequest.CompressionType == CompressionType.J2KLossless)))
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, message.TransferSyntax);
if (pcid != 0)
{
return(pcid);
}
}
if (_sendRequest.CompressionType == CompressionType.Rle)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.RleLossless);
if (pcid != 0)
{
return(pcid);
}
}
else if (_sendRequest.CompressionType == CompressionType.JpegLossless)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.JpegLosslessNonHierarchicalFirstOrderPredictionProcess14SelectionValue1);
if (pcid != 0)
{
return(pcid);
}
}
else if (_sendRequest.CompressionType == CompressionType.J2KLossless)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.Jpeg2000ImageCompressionLosslessOnly);
if (pcid != 0)
{
return(pcid);
}
}
else if (_sendRequest.CompressionType == CompressionType.J2KLossy)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass, TransferSyntax.Jpeg2000ImageCompression);
if (pcid != 0)
{
var doc = new XmlDocument();
XmlElement element = doc.CreateElement("compress");
doc.AppendChild(element);
XmlAttribute syntaxAttribute = doc.CreateAttribute("syntax");
syntaxAttribute.Value = TransferSyntax.Jpeg2000ImageCompressionUid;
element.Attributes.Append(syntaxAttribute);
decimal ratio = 100.0m / _sendRequest.CompressionLevel;
XmlAttribute ratioAttribute = doc.CreateAttribute("ratio");
ratioAttribute.Value = ratio.ToString(CultureInfo.InvariantCulture);
element.Attributes.Append(ratioAttribute);
syntaxAttribute = doc.CreateAttribute("convertFromPalette");
syntaxAttribute.Value = true.ToString(CultureInfo.InvariantCulture);
element.Attributes.Append(syntaxAttribute);
IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories();
foreach (IDicomCodecFactory codec in codecs)
{
if (codec.CodecTransferSyntax.Equals(TransferSyntax.Jpeg2000ImageCompression))
{
try
{
if (message.TransferSyntax.Encapsulated)
{
message.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian);
message.TransferSyntax = TransferSyntax.ExplicitVrLittleEndian;
}
message.ChangeTransferSyntax(TransferSyntax.Jpeg2000ImageCompression,
codec.GetDicomCodec(),
codec.GetCodecParameters(doc));
message.TransferSyntax = TransferSyntax.Jpeg2000ImageCompression;
return(pcid);
}
catch (Exception e)
{
Platform.Log(LogLevel.Warn, e, "Unexpected exception changing transfer syntax to {0}.",
TransferSyntax.Jpeg2000ImageCompression.Name);
}
}
}
}
}
else if (_sendRequest.CompressionType == CompressionType.JpegLossy)
{
var iod = new ImagePixelMacroIod(message.DataSet);
if (iod.BitsStored == 8)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass,
TransferSyntax.JpegBaselineProcess1);
if (pcid != 0)
{
var doc = new XmlDocument();
XmlElement element = doc.CreateElement("compress");
doc.AppendChild(element);
XmlAttribute syntaxAttribute = doc.CreateAttribute("syntax");
syntaxAttribute.Value = TransferSyntax.JpegBaselineProcess1Uid;
element.Attributes.Append(syntaxAttribute);
syntaxAttribute = doc.CreateAttribute("quality");
syntaxAttribute.Value = _sendRequest.CompressionLevel.ToString(CultureInfo.InvariantCulture);
element.Attributes.Append(syntaxAttribute);
syntaxAttribute = doc.CreateAttribute("convertFromPalette");
syntaxAttribute.Value = true.ToString(CultureInfo.InvariantCulture);
element.Attributes.Append(syntaxAttribute);
IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories();
foreach (IDicomCodecFactory codec in codecs)
{
if (codec.CodecTransferSyntax.Equals(TransferSyntax.JpegBaselineProcess1))
{
try
{
if (message.TransferSyntax.Encapsulated)
{
message.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian);
message.TransferSyntax = TransferSyntax.ExplicitVrLittleEndian;
}
message.ChangeTransferSyntax(TransferSyntax.JpegBaselineProcess1,
codec.GetDicomCodec(),
codec.GetCodecParameters(doc));
message.TransferSyntax = TransferSyntax.JpegBaselineProcess1;
return(pcid);
}
catch (Exception e)
{
Platform.Log(LogLevel.Warn, e,
"Unexpected exception changing transfer syntax to {0}.",
TransferSyntax.JpegBaselineProcess1.Name);
}
}
}
}
}
else if (iod.BitsStored == 12)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass,
TransferSyntax.JpegExtendedProcess24);
if (pcid != 0)
{
var doc = new XmlDocument();
XmlElement element = doc.CreateElement("compress");
doc.AppendChild(element);
XmlAttribute syntaxAttribute = doc.CreateAttribute("syntax");
syntaxAttribute.Value = TransferSyntax.JpegExtendedProcess24Uid;
element.Attributes.Append(syntaxAttribute);
syntaxAttribute = doc.CreateAttribute("quality");
syntaxAttribute.Value = _sendRequest.CompressionLevel.ToString(CultureInfo.InvariantCulture);
element.Attributes.Append(syntaxAttribute);
syntaxAttribute = doc.CreateAttribute("convertFromPalette");
syntaxAttribute.Value = true.ToString(CultureInfo.InvariantCulture);
element.Attributes.Append(syntaxAttribute);
IDicomCodecFactory[] codecs = DicomCodecRegistry.GetCodecFactories();
foreach (IDicomCodecFactory codec in codecs)
{
if (codec.CodecTransferSyntax.Equals(TransferSyntax.JpegExtendedProcess24))
{
try
{
if (message.TransferSyntax.Encapsulated)
{
message.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian);
message.TransferSyntax = TransferSyntax.ExplicitVrLittleEndian;
}
message.ChangeTransferSyntax(TransferSyntax.JpegExtendedProcess24,
codec.GetDicomCodec(),
codec.GetCodecParameters(doc));
message.TransferSyntax = TransferSyntax.JpegExtendedProcess24;
return(pcid);
}
catch (Exception e)
{
Platform.Log(LogLevel.Warn, e,
"Unexpected exception changing transfer syntax to {0}.",
TransferSyntax.JpegExtendedProcess24.Name);
}
}
}
}
}
}
if (pcid == 0)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass,
TransferSyntax.ExplicitVrLittleEndian);
}
if (pcid == 0)
{
pcid = association.FindAbstractSyntaxWithTransferSyntax(message.SopClass,
TransferSyntax.ImplicitVrLittleEndian);
}
return(pcid);
}
private void SendOnPresentationContext(DicomClient client, ClientAssociationParameters association, byte pcid, StorageInstance fileToSend, DicomMessage msg)
{
var presContext = association.GetPresentationContext(pcid);
if (msg.TransferSyntax.Encapsulated
&& presContext.AcceptedTransferSyntax.Encapsulated
&& !msg.TransferSyntax.Equals(presContext.AcceptedTransferSyntax))
{
// Compressed in different syntaxes, decompress here first, ChangeTransferSyntax does not convert syntaxes properly in this case.
msg.ChangeTransferSyntax(TransferSyntax.ExplicitVrLittleEndian);
}
fileToSend.SentMessageId = client.NextMessageID();
if (_moveOriginatorAe == null)
client.SendCStoreRequest(pcid, fileToSend.SentMessageId, DicomPriority.Medium, msg);
else
client.SendCStoreRequest(pcid, fileToSend.SentMessageId, DicomPriority.Medium, _moveOriginatorAe,
_moveOriginatorMessageId, msg);
}
