Class DicomPixelModule

src/imageio/DicomImageLoader.cpp:156–171

Holds the bits we need to (optionally) reproduce the DICOM display pipeline. Each member maps directly to a DICOM attribute.

// Holds the bits we need to (optionally) reproduce the DICOM display pipeline. Each member maps directly to a DICOM attribute.
struct DicomPixelModule {
    uint16_t bitsAllocated = 16;
    uint16_t bitsStored = 16;
    uint16_t highBit = 15;
    uint16_t pixelRepresentation = 0; // 0 = unsigned, 1 = signed
    uint16_t samplesPerPixel = 1;
    uint16_t planarConfiguration = 0; // 0 = interleaved (RGBRGB), 1 = planar (RRR..GGG..BBB)

    // Modality LUT / rescale (stage 2). Identity by default.
    double rescaleSlope = 1.0;
    double rescaleIntercept = 0.0;

    // VOI / windowing (stage 3). Optional.
    optional<double> windowCenter;
    optional<double> windowWidth;
};

DicomPixelModule readPixelModule(const gdcm::DataSet& ds, const gdcm::Image& image) {
    DicomPixelModule m;