private void SetOffsets(DicomDirectoryRecord record)
{
if (record.NextDirectoryRecord != null)
{
record.Add <uint>(DicomTag.OffsetOfTheNextDirectoryRecord, record.NextDirectoryRecord.Offset);
SetOffsets(record.NextDirectoryRecord);
}
else
{
record.Add <uint>(DicomTag.OffsetOfTheNextDirectoryRecord, 0);
}
if (record.LowerLevelDirectoryRecord != null)
{
record.Add <uint>(DicomTag.OffsetOfReferencedLowerLevelDirectoryEntity, record.LowerLevelDirectoryRecord.Offset);
SetOffsets(record.LowerLevelDirectoryRecord);
}
else
{
record.Add <uint>(DicomTag.OffsetOfReferencedLowerLevelDirectoryEntity, 0);
}
}
private DicomDirectoryRecord CreateRecordSequenceItem(DicomDirectoryRecordType recordType, DicomDataset dataset)
{
if (recordType == null)
{
throw new ArgumentNullException("recordType");
}
if (dataset == null)
{
throw new ArgumentNullException("dataset");
}
var sequenceItem = new DicomDirectoryRecord();
//add record item attributes
sequenceItem.Add <uint>(DicomTag.OffsetOfTheNextDirectoryRecord, 0);
sequenceItem.Add <ushort>(DicomTag.RecordInUseFlag, 0xFFFF);
sequenceItem.Add <uint>(DicomTag.OffsetOfReferencedLowerLevelDirectoryEntity, 0);
sequenceItem.Add <string>(DicomTag.DirectoryRecordType, recordType.ToString());
//copy the current dataset character set
sequenceItem.Add(dataset.FirstOrDefault(d => d.Tag == DicomTag.SpecificCharacterSet));
foreach (var tag in recordType.Tags)
{
if (dataset.Contains(tag))
{
sequenceItem.Add(dataset.Get <DicomItem>(tag));
}
else
{
System.Diagnostics.Debug.WriteLine("Cannot find tag {0} for record type {1}", tag, recordType);
}
}
return(sequenceItem);
}
private DicomDirectoryRecord CreateRecordSequenceItem(DicomDirectoryRecordType recordType, DicomDataset dataset) {
if (recordType == null)
throw new ArgumentNullException("recordType");
if (dataset == null)
throw new ArgumentNullException("dataset");
var sequenceItem = new DicomDirectoryRecord();
//add record item attributes
sequenceItem.Add<uint>(DicomTag.OffsetOfTheNextDirectoryRecord, 0);
sequenceItem.Add<ushort>(DicomTag.RecordInUseFlag, 0xFFFF);
sequenceItem.Add<uint>(DicomTag.OffsetOfReferencedLowerLevelDirectoryEntity, 0);
sequenceItem.Add<string>(DicomTag.DirectoryRecordType, recordType.ToString());
//copy the current dataset character set
sequenceItem.Add(dataset.FirstOrDefault(d => d.Tag == DicomTag.SpecificCharacterSet));
foreach (var tag in recordType.Tags) {
if (dataset.Contains(tag)) {
sequenceItem.Add(dataset.Get<DicomItem>(tag));
} else {
System.Diagnostics.Debug.WriteLine("Cannot find tag {0} for record type {1}", tag, recordType);
}
}
return sequenceItem;
}
private void SetOffsets(DicomDirectoryRecord record) {
if (record.NextDirectoryRecord != null) {
record.Add<uint>(DicomTag.OffsetOfTheNextDirectoryRecord, record.NextDirectoryRecord.Offset);
SetOffsets(record.NextDirectoryRecord);
} else {
record.Add<uint>(DicomTag.OffsetOfTheNextDirectoryRecord, 0);
}
if (record.LowerLevelDirectoryRecord != null) {
record.Add<uint>(DicomTag.OffsetOfReferencedLowerLevelDirectoryEntity, record.LowerLevelDirectoryRecord.Offset);
SetOffsets(record.LowerLevelDirectoryRecord);
} else {
record.Add<uint>(DicomTag.OffsetOfReferencedLowerLevelDirectoryEntity, 0);
}
}