private void DoWrite(DcmHandlerI handler, DcmEncodeParam param)
{
int grIndex = 0;
IEnumerator enu = GetEnumerator();
while( enu.MoveNext() )
{
DcmElement el = (DcmElement) enu.Current;
if (!param.skipGroupLen && grTags[grIndex] == (el.tag() & (int) (- (0x100000000 - 0xffff0000))))
{
byte[] b4 = new byte[4];
ByteBuffer.Wrap(b4, param.byteOrder).Write(grLens[grIndex]);
handler.StartElement( grTags[grIndex], VRs.UL, el.StreamPosition);
handler.Value(b4, 0, 4);
handler.EndElement();
++grIndex;
}
if (el is SQElement)
{
int len = param.undefSeqLen?- 1:el.length();
handler.StartElement(el.tag(), VRs.SQ, el.StreamPosition);
handler.StartSequence(len);
for (int j = 0, m = el.vm(); j < m; )
{
BaseDataset ds = (BaseDataset) el.GetItem(j);
int itemlen = param.undefItemLen?- 1:ds.length();
handler.StartItem(++j, ds.GetItemOffset(), itemlen);
ds.DoWrite(handler, param);
handler.EndItem(itemlen);
}
handler.EndSequence(len);
handler.EndElement();
}
else if (el is FragmentElement)
{
long offset = el.StreamPosition;
handler.StartElement(el.tag(), el.vr(), offset);
handler.StartSequence(- 1);
if (offset != - 1L)
{
offset += 12;
}
for (int j = 0, m = el.vm(); j < m; )
{
ByteBuffer bb = el.GetDataFragment(j, param.byteOrder);
handler.Fragment(++j, offset, bb.ToArray(), (int)bb.Position, bb.length());
if (offset != - 1L)
{
offset += (bb.length() + 9) & (~ 1);
}
}
handler.EndSequence(- 1);
handler.EndElement();
}
else
{
// int len = el.length();
handler.StartElement(el.tag(), el.vr(), el.StreamPosition);
ByteBuffer bb = el.GetByteBuffer(param.byteOrder);
handler.Value(bb);
handler.EndElement();
}
}
}
public virtual void WriteDataset(DcmHandlerI handler, DcmEncodeParam param)
{
if (!(param.skipGroupLen && param.undefItemLen && param.undefSeqLen))
CalcLength(param);
handler.StartDataset();
handler.DcmDecodeParam = param;
DoWrite(handler, param);
handler.EndDataset();
}
public void Write(DcmHandlerI handler)
{
handler.StartFileMetaInfo(preamble);
handler.DcmDecodeParam = DcmDecodeParam.EVR_LE;
Write(0x00020000, grLen(), handler);
handler.EndFileMetaInfo();
}
protected virtual void Write(uint grTag, int grLen, DcmHandlerI handler)
{
byte[] b4 = new byte[]{(byte) grLen, (byte)(grLen>>8), (byte)(grLen>>16), (byte)((grLen>>24))};
long el1Pos = ((DcmElement) m_list[0]).StreamPosition;
handler.StartElement(grTag, VRs.UL, el1Pos == - 1L?- 1L:el1Pos - 12);
handler.Value(b4, 0, 4);
handler.EndElement();
for (int i = 0, n = m_list.Count; i < n; ++i)
{
DcmElement el = (DcmElement) m_list[i];
int len = el.length();
handler.StartElement(el.tag(), el.vr(), el.StreamPosition);
ByteBuffer bb = el.GetByteBuffer(ByteOrder.LITTLE_ENDIAN);
handler.Value(bb.ToArray(), (int)bb.Position, bb.length());
handler.EndElement();
}
}
public void Write(DcmHandlerI handler)
{
handler.DcmDecodeParam = DcmDecodeParam.IVR_LE;
Write(0x00000000, grLen(), handler);
}
