satdump/src-core/image/image_lut.cpp

#include "image_lut.h"
#include <limits>

namespace satdump
{
    namespace image
    {
        template <typename T>
        Image create_lut(int channels, int width, int points, std::vector<T> data)
        {
            Image out(data.data(), sizeof(T) * 8, points, 1, channels);
            out.resize_bilinear(width, 1, false);
            return out;
        }

        template <typename T>
        Image LUT_jet()
        {
            return create_lut<T>(3, 256, 4,
                                 {0, 0, std::numeric_limits<T>::max(), std::numeric_limits<T>::max(), 0, std::numeric_limits<T>::max(), std::numeric_limits<T>::max(), 0, std::numeric_limits<T>::max(),
                                  std::numeric_limits<T>::max(), 0, 0});
        }

        template Image create_lut<uint8_t>(int, int, int, std::vector<uint8_t>);
        template Image create_lut<uint16_t>(int, int, int, std::vector<uint16_t>);
        template Image LUT_jet<uint8_t>();
        template Image LUT_jet<uint16_t>();
    } // namespace image
} // namespace satdump