private static List <VoiDataLut> Create(DicomElementSq voiLutSequence, int pixelRepresentation)
{
bool isFirstMappedPixelSigned = pixelRepresentation != 0;
List <DataLut> dataLuts = DataLut.Create(voiLutSequence, isFirstMappedPixelSigned, false);
return(Convert(dataLuts));
}
internal static ModalityDataLut Create(DicomElementSq modalityLutSequence, int pixelRepresentation)
{
List <DataLut> data = DataLut.Create(modalityLutSequence, pixelRepresentation != 0, false);
if (data.Count == 0)
{
return(null);
}
string modalityLutType = ((DicomSequenceItem[])modalityLutSequence.Values)[0][DicomTags.ModalityLutType].ToString();
return(new ModalityDataLut(data[0], modalityLutType));
}
private static List <VoiDataLut> Create(DicomElementSq voiLutSequence, int bitsStored, int pixelRepresentation, double rescaleSlope, double rescaleIntercept)
{
int minPixelValue;
int maxPixelValue;
bool isSigned = pixelRepresentation != 0;
GetMinMaxPixelValue(bitsStored, isSigned, out minPixelValue, out maxPixelValue);
double minModalityLutValue = minPixelValue * rescaleSlope + rescaleIntercept;
double maxModalityLutValue = maxPixelValue * rescaleSlope + rescaleIntercept;
bool isFirstMappedPixelValueSigned = minModalityLutValue < 0 || maxModalityLutValue < 0;
List <DataLut> dataLuts = DataLut.Create(voiLutSequence, isFirstMappedPixelValueSigned, false);
return(Convert(dataLuts));
}