------------------------------------------------------------------------
| 100 | |
| 101 | //------------------------------------------------------------------------ |
| 102 | unsigned vcgen_smooth_poly1::vertex(double* x, double* y) |
| 103 | { |
| 104 | unsigned cmd = path_cmd_line_to; |
| 105 | while(!is_stop(cmd)) |
| 106 | { |
| 107 | switch(m_status) |
| 108 | { |
| 109 | case initial: |
| 110 | rewind(0); |
| 111 | |
| 112 | case ready: |
| 113 | if(m_src_vertices.size() < 2) |
| 114 | { |
| 115 | cmd = path_cmd_stop; |
| 116 | break; |
| 117 | } |
| 118 | |
| 119 | if(m_src_vertices.size() == 2) |
| 120 | { |
| 121 | *x = m_src_vertices[m_src_vertex].x; |
| 122 | *y = m_src_vertices[m_src_vertex].y; |
| 123 | m_src_vertex++; |
| 124 | if(m_src_vertex == 1) return path_cmd_move_to; |
| 125 | if(m_src_vertex == 2) return path_cmd_line_to; |
| 126 | cmd = path_cmd_stop; |
| 127 | break; |
| 128 | } |
| 129 | |
| 130 | cmd = path_cmd_move_to; |
| 131 | m_status = polygon; |
| 132 | m_src_vertex = 0; |
| 133 | |
| 134 | case polygon: |
| 135 | if(m_closed) |
| 136 | { |
| 137 | if(m_src_vertex >= m_src_vertices.size()) |
| 138 | { |
| 139 | *x = m_src_vertices[0].x; |
| 140 | *y = m_src_vertices[0].y; |
| 141 | m_status = end_poly; |
| 142 | return path_cmd_curve4; |
| 143 | } |
| 144 | } |
| 145 | else |
| 146 | { |
| 147 | if(m_src_vertex >= m_src_vertices.size() - 1) |
| 148 | { |
| 149 | *x = m_src_vertices[m_src_vertices.size() - 1].x; |
| 150 | *y = m_src_vertices[m_src_vertices.size() - 1].y; |
| 151 | m_status = end_poly; |
| 152 | return path_cmd_curve3; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | calculate(m_src_vertices.prev(m_src_vertex), |
| 157 | m_src_vertices.curr(m_src_vertex), |
| 158 | m_src_vertices.next(m_src_vertex), |
| 159 | m_src_vertices.next(m_src_vertex + 1)); |