src/Dummy/Platform.cpp

#include <FCam/processing/Color.h>
#include <FCam/Dummy/Platform.h>


namespace FCam {
namespace Dummy {

void Platform::rawToRGBColorMatrix(int kelvin, float *matrix) const {

    // Utterly made up matrix - a bit of crosstalk and non-zero black level
    static float RawToRGBColorMatrix3200K[] = {
        1.20, -0.1, -0.1, -10,
        -0.1, 1.20, -0.1, -10,
        -0.1, -0.1, 1.20, -10
    };

    // Utterly made up matrix - a bit of crosstalk and non-zero black level
    static float RawToRGBColorMatrix7000K[] = {
        1.40, -0.2, -0.2, -10,
        -0.15, 1.30, -0.15, -10,
        0.1, 0.1, 1.00, -10
    };

    // Linear interpolation with inverse color temperature
    float alpha = (1./kelvin-1./3200)/(1./7000-1./3200);
    colorMatrixInterpolate(RawToRGBColorMatrix3200K,
                           RawToRGBColorMatrix7000K,
                           alpha, matrix);
}

const Platform &Platform::instance() {
    static Platform plat;
    return plat;
}

}
}