solve_rgb_colorimetric()

bool fl::colorimetric_response::solve_rgb_colorimetric ( const RgbColorimetricCache & cache, float s_r, float s_g, float s_b, float out_rgb[3] )

inline

Definition at line 537 of file colorimetric_response.h.

                                                                  {
    float X_t[3];
    rgb_source_to_XYZ(cache, s_r, s_g, s_b, X_t);
    matvec3(cache.P_RGB_inv, X_t, out_rgb);
    out_rgb[0] = fl::max(out_rgb[0], 0.0f);
    out_rgb[1] = fl::max(out_rgb[1], 0.0f);
    out_rgb[2] = fl::max(out_rgb[2], 0.0f);
    const float m = fl::max(fl::max(out_rgb[0], out_rgb[1]), out_rgb[2]);
    if (m > 1.0f) {
        const float inv_m = 1.0f / m;
        out_rgb[0] *= inv_m;
        out_rgb[1] *= inv_m;
        out_rgb[2] *= inv_m;
    }
    return true;
}

References fl::FL_NO_EXCEPT, matvec3(), fl::max(), and rgb_source_to_XYZ().

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