Function has_color_diff

libop/image/ImageSearchAlgorithms.cpp:33–35

}

bool has_color_diff(const color_t &df) {
    return df.b != 0 || df.g != 0 || df.r != 0;
}

bool color_matches(const color_t &color, const color_df_t &expected, double sim) {
    const color_t df = has_color_diff(expected.df) ? expected.df : sim_to_color_diff(sim);