public static void Write(DICOMBinaryWriter dw, DICOMIOSettings settings, DICOMObject d,
bool isSequenceItem = false)
{
if (!isSequenceItem)
{
TransferSyntaxHelper.SetSyntax(d, settings.TransferSyntax);
}
for (var i = 0; i < d.Elements.Count; i++)
{
var el = d.Elements[i];
var currentSettings = IsFileMetaGroup(el) ? settings.GetFileMetaSettings() : settings;
if (GroupWriter.IsGroupHeader(el))
{
var skip = GroupWriter.WriteGroup(dw, currentSettings, d, el);
i += skip;
}
else
{
_logger.LogInformation($"Writing element ${el.Tag.CompleteID}");
try
{
DICOMElementWriter.Write(dw, currentSettings, el);
}
catch (Exception e)
{
_logger.LogError($"Error writing : ${el.Tag.CompleteID}\n{e}");
throw e;
}
}
}
}
public static int WriteGroup(DICOMBinaryWriter dw, DICOMIOSettings settings, DICOMObject d, IDICOMElement el)
{
var groupBytes = WriteGroupBytes(d, settings, el.Tag.Group);
var length = groupBytes.Length;
var ul = el as UnsignedLong;
ul.SetData((uint)length);
DICOMElementWriter.Write(dw, settings, ul);
dw.Write(groupBytes);
return(d.Elements.Where(elm => elm.Tag.Group == ul.Tag.Group).ToList().Count - 1);
}
public static int WriteGroupLittleEndian(DICOMBinaryWriter dw, DICOMWriteSettings settings, DICOMObject d, IDICOMElement el)
{
byte[] groupBytes = WriteGroupBytesLittleEndian(d, settings, el.Tag.Group);
int length = groupBytes.Length;
UnsignedLong ul = el as UnsignedLong;
ul.SetData((uint)length);
DICOMElementWriter.WriteLittleEndian(dw, settings, ul);
dw.Write(groupBytes);
return(d.Elements.Where(elm => elm.Tag.Group == ul.Tag.Group).ToList().Count - 1);
}
/// <summary>
/// Ignores the rule of writing metadata in explicit VR little endian and instead writes all elements with the same passed in syntax
/// Used in PData writing
/// </summary>
/// <param name="dw"></param>
/// <param name="settings"></param>
/// <param name="d"></param>
/// <param name="isSequenceItem"></param>
public static void WriteSameSyntax(DICOMBinaryWriter dw, DICOMIOSettings settings, DICOMObject d,
bool isSequenceItem = false)
{
for (var i = 0; i < d.Elements.Count; i++)
{
var el = d.Elements[i];
if (GroupWriter.IsGroupHeader(el))
{
var skip = GroupWriter.WriteGroup(dw, settings, d, el);
i += skip;
}
else
{
DICOMElementWriter.Write(dw, settings, el);
}
}
}
public static void WriteObjectLittleEndian(DICOMBinaryWriter dw, DICOMWriteSettings settings, DICOMObject d)
{
for (int i = 0; i < d.Elements.Count; i++)
{
IDICOMElement el = d.Elements[i];
DICOMWriteSettings currentSettings = IsFileMetaGroup(el) ? settings.GetFileMetaSettings() : settings;
if (GroupWriter.IsGroupHeader(el))
{
int skip = GroupWriter.WriteGroupLittleEndian(dw, currentSettings, d, el);
i += skip;
}
else
{
DICOMElementWriter.WriteLittleEndian(dw, currentSettings, el);
}
}
}
/// <summary>
/// Ignores the rule of writing metadata in explicit VR little endian and instead writes all elements with the passed in syntax
/// </summary>
/// <param name="dw"></param>
/// <param name="settings"></param>
/// <param name="d"></param>
/// <param name="isSequenceItem"></param>
public static void WriteSameSyntax(DICOMBinaryWriter dw, DICOMWriteSettings settings, DICOMObject d, bool isSequenceItem = false)
{
for (int i = 0; i < d.Elements.Count; i++)
{
IDICOMElement el = d.Elements[i];
if (!isSequenceItem)
{
TransferSyntaxHelper.SetSyntax(d, settings.TransferSyntax);
}
if (GroupWriter.IsGroupHeader(el))
{
int skip = GroupWriter.WriteGroup(dw, settings, d, el);
i += skip;
}
else
{
DICOMElementWriter.Write(dw, settings, el);
}
}
}
public static byte[] WriteGroupBytes(DICOMObject d, DICOMIOSettings settings, string groupId)
{
var groupElements = d.Elements.Where(el => el.Tag.Group == groupId).ToList();
byte[] groupBytes;
using (var stream = new MemoryStream())
{
using (var groupDW = new DICOMBinaryWriter(stream))
{
foreach (var el in groupElements)
{
if (!IsGroupHeader(el))
{
DICOMElementWriter.Write(groupDW, settings, el);
}
}
}
groupBytes = stream.ToArray();
}
return(groupBytes);
}
private static byte[] WriteGroupBytesLittleEndian(DICOMObject d, DICOMWriteSettings settings, string groupID)
{
List <IDICOMElement> groupElements = d.Elements.Where(el => el.Tag.Group == groupID).ToList();
byte[] groupBytes;
using (MemoryStream stream = new MemoryStream())
{
using (DICOMBinaryWriter groupDW = new DICOMBinaryWriter(stream))
{
foreach (IDICOMElement el in groupElements)
{
if (!IsGroupHeader(el))
{
DICOMElementWriter.WriteLittleEndian(groupDW, settings, el);
}
}
}
groupBytes = stream.ToArray();
}
return(groupBytes);
}
public static void Write(DICOMBinaryWriter dw, DICOMWriteSettings settings, DICOMObject d,
bool isSequenceItem = false)
{
for (var i = 0; i < d.Elements.Count; i++)
{
var el = d.Elements[i];
if (!isSequenceItem)
{
TransferSyntaxHelper.SetSyntax(d, settings.TransferSyntax);
}
var currentSettings = IsFileMetaGroup(el) ? settings.GetFileMetaSettings() : settings;
if (GroupWriter.IsGroupHeader(el))
{
var skip = GroupWriter.WriteGroup(dw, currentSettings, d, el);
i += skip;
}
else
{
DICOMElementWriter.Write(dw, currentSettings, el);
}
}
}
