void miaux_add_color(miColor *result, miColor *c)
{
    result->r += c->r;
    result->g += c->g;
    result->b += c->b;
    result->a += c->a;
}

void miaux_scale_color(miColor *result, miScalar scale)
{
    result->r *= scale;
    result->g *= scale;
    result->b *= scale;
}