| 87 | //------------------------------------------------------------------------ |
| 88 | template<class VertexSource, class Generator, class Markers> |
| 89 | unsigned conv_adaptor_vcgen<VertexSource, Generator, Markers>::vertex(double* x, double* y) |
| 90 | { |
| 91 | unsigned cmd = path_cmd_stop; |
| 92 | bool done = false; |
| 93 | while(!done) |
| 94 | { |
| 95 | switch(m_status) |
| 96 | { |
| 97 | case initial: |
| 98 | m_markers.remove_all(); |
| 99 | m_last_cmd = m_source->vertex(&m_start_x, &m_start_y); |
| 100 | m_status = accumulate; |
| 101 | |
| 102 | case accumulate: |
| 103 | if(is_stop(m_last_cmd)) return path_cmd_stop; |
| 104 | |
| 105 | m_generator.remove_all(); |
| 106 | m_generator.add_vertex(m_start_x, m_start_y, path_cmd_move_to); |
| 107 | m_markers.add_vertex(m_start_x, m_start_y, path_cmd_move_to); |
| 108 | |
| 109 | for(;;) |
| 110 | { |
| 111 | cmd = m_source->vertex(x, y); |
| 112 | if(is_vertex(cmd)) |
| 113 | { |
| 114 | m_last_cmd = cmd; |
| 115 | if(is_move_to(cmd)) |
| 116 | { |
| 117 | m_start_x = *x; |
| 118 | m_start_y = *y; |
| 119 | break; |
| 120 | } |
| 121 | m_generator.add_vertex(*x, *y, cmd); |
| 122 | m_markers.add_vertex(*x, *y, path_cmd_line_to); |
| 123 | } |
| 124 | else |
| 125 | { |
| 126 | if(is_stop(cmd)) |
| 127 | { |
| 128 | m_last_cmd = path_cmd_stop; |
| 129 | break; |
| 130 | } |
| 131 | if(is_end_poly(cmd)) |
| 132 | { |
| 133 | m_generator.add_vertex(*x, *y, cmd); |
| 134 | break; |
| 135 | } |
| 136 | } |
| 137 | } |
| 138 | m_generator.rewind(0); |
| 139 | m_status = generate; |
| 140 | |
| 141 | case generate: |
| 142 | cmd = m_generator.vertex(x, y); |
| 143 | if(is_stop(cmd)) |
| 144 | { |
| 145 | m_status = accumulate; |
| 146 | break; |
nothing calls this directly
no test coverage detected