curve.h

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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_DISPLAY_CURVE_H
#define SEEN_DISPLAY_CURVE_H
 
#include <cstddef>
#include <optional>
#include <2geom/pathvector.h>
 
bool is_closed(Geom::PathVector const &pathv);
 
size_t node_count(Geom::PathVector const &pathv);
 
Geom::Curve const *get_last_segment(Geom::PathVector const &pathv);
Geom::Curve const *get_last_segment(Geom::Path const &) = delete;
 
Geom::Curve const *get_first_segment(Geom::PathVector const &pathv);
Geom::Curve const *get_first_segment(Geom::Path const &) = delete;
 
void stretch_endpoints(Geom::PathVector &pathv, Geom::Point const &new_p0, Geom::Point const &new_p1);
 
void move_endpoints(Geom::PathVector &pathv, Geom::Point const &new_p0, Geom::Point const &new_p1);
void move_endpoints(Geom::Path &pathv, Geom::Point const &new_p0, Geom::Point const &new_p1);
 
void last_point_additive_move(Geom::PathVector &pathv, Geom::Point const &p);
 
void pathvector_append(Geom::PathVector &to, Geom::PathVector const &pathv, bool use_lineto = false);
 
bool pathvector_append_continuous(Geom::PathVector &to, Geom::PathVector const &pathv, double tolerance = 0.0625);
 
Geom::Path rect_to_open_path(Geom::Rect const &rect);
 
void closepath_current(Geom::Path &path);
 
void backspace(Geom::PathVector &pathv);
void backspace(Geom::Path &path);
 
template <typename T>
auto ptr_to_opt(T const &p)
{
    return p ? std::make_optional(*p) : std::nullopt;
}
 
Geom::Path path_from_curve(std::unique_ptr<Geom::Curve> curve);
Geom::Path path_from_curve(Geom::Curve const &curve);
 
#endif // SEEN_DISPLAY_CURVE_H
 
/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8 :