void _cleanup_path(PathIterator& path, const agg::trans_affine& trans, bool remove_nans, bool do_clip, const agg::rect_base<double>& rect, e_snap_mode snap_mode, double stroke_width, bool do_simplify, bool return_curves, std::vector<double>& vertices, std::vector<npy_uint8>& codes) { typedef agg::conv_transform<PathIterator> transformed_path_t; typedef PathNanRemover<transformed_path_t> nan_removal_t; typedef PathClipper<nan_removal_t> clipped_t; typedef PathSnapper<clipped_t> snapped_t; typedef PathSimplifier<snapped_t> simplify_t; typedef agg::conv_curve<simplify_t> curve_t; transformed_path_t tpath(path, trans); nan_removal_t nan_removed(tpath, remove_nans, path.has_curves()); clipped_t clipped(nan_removed, do_clip, rect); snapped_t snapped(clipped, snap_mode, path.total_vertices(), stroke_width); simplify_t simplified(snapped, do_simplify, path.simplify_threshold()); vertices.reserve(path.total_vertices() * 2); codes.reserve(path.total_vertices()); if (return_curves) { __cleanup_path(simplified, vertices, codes); } else { curve_t curve(simplified); __cleanup_path(curve, vertices, codes); } }
PathCleanupIterator(PyObject* path, agg::trans_affine trans, bool remove_nans, bool do_clip, const agg::rect_base<double>& rect, e_snap_mode snap_mode, double stroke_width, bool do_simplify) : m_path_obj(path, true), m_path_iter(m_path_obj), m_transform(trans), m_transformed(m_path_iter, m_transform), m_nan_removed(m_transformed, remove_nans, m_path_iter.has_curves()), m_clipped(m_nan_removed, do_clip, rect), m_snapped(m_clipped, snap_mode, m_path_iter.total_vertices(), stroke_width), m_simplify(m_snapped, do_simplify && m_path_iter.should_simplify(), m_path_iter.simplify_threshold()) { Py_INCREF(path); m_path_iter.rewind(0); }