public FileFormat(bool hasPreamble, bool hasFileMetaInfo, DcmDecodeParam decodeParam)
{
if (hasPreamble && !hasFileMetaInfo)
{
throw new System.ArgumentException("Preamble without FMI");
}
this.hasPreamble = hasPreamble;
this.hasFileMetaInfo = hasFileMetaInfo;
this.decodeParam = decodeParam;
}
public virtual void ReadDataset(Stream ins, DcmDecodeParam param, uint stopTag)
{
DcmParser Parser = new DcmParser(ins);
Parser.DcmHandler = DcmHandler;
Parser.ParseDataset(param, stopTag);
}
/// <summary>
/// Test if this is Implicit VR format
/// </summary>
/// <param name="decodeParam"></param>
/// <returns></returns>
private int TestIVRFormat(DcmDecodeParam decodeParam)
{
DcmDecodeParam = decodeParam;
ParseHeader();
if (rVR != VRs.UN && rLen <= 64)
{
if (rTag >= 0x00050000) // Should be 0x00080000
return 1;
if ((rTag>>16) == 2)
return 0;
}
return -1;
}
/// <summary>
/// Test if this is Explicit VR format
/// </summary>
/// <param name="decodeParam"></param>
/// <returns></returns>
private int TestEVRFormat(DcmDecodeParam decodeParam)
{
DcmDecodeParam = decodeParam;
ParseHeader();
if (rVR == VRs.GetVR(rTag))
{
if ((rTag>>16) == 2)
return 0;
if (rTag >= 0x00080000)
return 1;
}
return -1;
}
public long ParseFileMetaInfo(bool preamble, DcmDecodeParam param)
{
rPos = 0L;
byte[] data = preamble?ParsePreamble():null;
if (handler != null)
handler.StartFileMetaInfo(data);
DcmDecodeParam = param;
ParseGroup(2);
if (handler != null)
handler.EndFileMetaInfo();
return rPos;
}
public long ParseDataset(DcmDecodeParam param, uint stopTag)
{
DcmDecodeParam = param;
if (handler != null)
{
handler.StartDataset();
handler.DcmDecodeParam = decodeParam;
}
long read = DoParse(stopTag, -1);
if (handler != null)
handler.EndDataset();
return read;
}
public override void readDataset(System.IO.Stream in_Renamed, DcmDecodeParam param, int stopTag)
{
throw new UnsupportedOperationException();
}
