| 734 | // it behaves as if the pen of a plotter was always down (drawing) |
| 735 | template<class VertexSource> |
| 736 | void join_path(VertexSource& vs, unsigned path_id = 0) |
| 737 | { |
| 738 | double x, y; |
| 739 | unsigned cmd; |
| 740 | vs.rewind(path_id); |
| 741 | cmd = vs.vertex(&x, &y); |
| 742 | if(!is_stop(cmd)) |
| 743 | { |
| 744 | if(is_vertex(cmd)) |
| 745 | { |
| 746 | double x0, y0; |
| 747 | unsigned cmd0 = last_vertex(&x0, &y0); |
| 748 | if(is_vertex(cmd0)) |
| 749 | { |
| 750 | if(calc_distance(x, y, x0, y0) > vertex_dist_epsilon) |
| 751 | { |
| 752 | if(is_move_to(cmd)) cmd = path_cmd_line_to; |
| 753 | m_vertices.add_vertex(x, y, cmd); |
| 754 | } |
| 755 | } |
| 756 | else |
| 757 | { |
| 758 | if(is_stop(cmd0)) |
| 759 | { |
| 760 | cmd = path_cmd_move_to; |
| 761 | } |
| 762 | else |
| 763 | { |
| 764 | if(is_move_to(cmd)) cmd = path_cmd_line_to; |
| 765 | } |
| 766 | m_vertices.add_vertex(x, y, cmd); |
| 767 | } |
| 768 | } |
| 769 | while(!is_stop(cmd = vs.vertex(&x, &y))) |
| 770 | { |
| 771 | m_vertices.add_vertex(x, y, is_move_to(cmd) ? |
| 772 | unsigned(path_cmd_line_to) : |
| 773 | cmd); |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | // Concatenate polygon/polyline. |
| 779 | //-------------------------------------------------------------------- |
nothing calls this directly
no test coverage detected