Method zero

renderers/agg/include/agg_array.h:186–189

        void resize(unsigned new_size);

        void zero()
        {
            memset(m_array, 0, sizeof(T) * m_size);
        }

        void add(const T& v)         { m_array[m_size++] = v; }
        void push_back(const T& v)   { m_array[m_size++] = v; }