public PDataTF(DICOMObject dicom, bool isLastItem, bool isCommandObject, PresentationContext context)
: this()
{
byte[] data;
using (var stream = new MemoryStream())
{
using (var dw = new DICOMBinaryWriter(stream))
{
var settings = new DICOMWriteSettings();
settings.TransferSyntax = isCommandObject
? TransferSyntax.IMPLICIT_VR_LITTLE_ENDIAN
: TransferSyntaxHelper.GetSyntax(context.TransferSyntaxes[0]);
DICOMObjectWriter.Write(dw, settings, dicom);
data = stream.ToArray();
}
}
var frag = new PDVItemFragment();
frag.Data = data;
frag.IsLastItem = isLastItem;
frag.IsCommandObject = isCommandObject;
var item = new PDVItem();
item.Fragment = frag;
item.PresentationContextID = context.Id;
Items.Add(item);
}
private static void WritePDVFragmentMessageHeader(DICOMBinaryWriter dw, PDVItemFragment frag)
{
var bits = new BitArray(8);
bits.Set(0, frag.IsCommandObject);
bits.Set(1, frag.IsLastItem);
var bytes = new byte[1];
bits.CopyTo(bytes, 0);
dw.Write(bytes[0]);
}
public static PDVItemFragment ReadPDVFragment(DICOMBinaryReader dr, int length)
{
var pif = new PDVItemFragment();
byte messageHeader = dr.Take(1)[0];
pif.IsCommandObject = messageHeader.GetBit(0);
pif.IsLastItem = messageHeader.GetBit(1);
pif.Data = dr.ReadBytes(length - 1);
return pif;
}
public static PDVItemFragment ReadPDVFragment(DICOMBinaryReader dr, int length)
{
var pif = new PDVItemFragment();
var messageHeader = dr.Take(1)[0];
pif.IsCommandObject = messageHeader.GetBit(0);
pif.IsLastItem = messageHeader.GetBit(1);
pif.Data = dr.ReadBytes(length - 1);
return(pif);
}
private static void WritePDVFragmentMessageHeader(DICOMBinaryWriter dw, PDVItemFragment frag)
{
var bits = new BitArray(8);
bits.Set(0, frag.IsCommandObject);
bits.Set(1, frag.IsLastItem);
var bytes = new byte[1];
((ICollection)bits).CopyTo(bytes, 0);
dw.Write(bytes[0]);
}
public PDataTF(byte[] data, bool isLastItem, bool isCommandObject, PresentationContext context)
: this()
{
var frag = new PDVItemFragment();
frag.Data = data;
frag.IsLastItem = isLastItem;
frag.IsCommandObject = isCommandObject;
var item = new PDVItem();
item.Fragment = frag;
item.PresentationContextID = context.Id;
Items.Add(item);
}
public static void WritePDVFragment(DICOMBinaryWriter dw, PDVItemFragment frag)
{
WritePDVFragmentMessageHeader(dw, frag);
dw.Write(frag.Data);
}
public static void WritePDVFragment(DICOMBinaryWriter dw, PDVItemFragment frag)
{
WritePDVFragmentMessageHeader(dw, frag);
dw.Write(frag.Data);
}
