Method sub

renderers/agg/include/agg_blur.h:285–290

        }

        template<class ArgT> AGG_INLINE void sub(const ArgT& v)
        {
            r -= v.r;
            g -= v.g;
            b -= v.b;
        }

        template<class ArgT> AGG_INLINE void calc_pix(ArgT& v, unsigned div)
        {