Exemple #1
0
        private void InvertPolygon(uint start, uint end)
        {
            uint i;
            uint tmp_PathAndFlags = m_vertices.Command(start);

            --end; // Make "end" inclusive

            // Shift all commands to one position
            for (i = start; i < end; i++)
            {
                m_vertices.ModifyCommand(i, m_vertices.Command(i + 1));
            }

            // Assign starting command to the ending command
            m_vertices.ModifyCommand(end, tmp_PathAndFlags);

            // Reverse the polygon
            while (end > start)
            {
                m_vertices.SwapVertices(start++, end--);
            }
        }