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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:50:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 11:50:49 +0000 |
commit | c853ffb5b2f75f5a889ed2e3ef89b818a736e87a (patch) | |
tree | 7d13a0883bb7936b84d6ecdd7bc332b41ed04bee /src/display/curve.h | |
parent | Initial commit. (diff) | |
download | inkscape-c853ffb5b2f75f5a889ed2e3ef89b818a736e87a.tar.xz inkscape-c853ffb5b2f75f5a889ed2e3ef89b818a736e87a.zip |
Adding upstream version 1.3+ds.upstream/1.3+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/display/curve.h')
-rw-r--r-- | src/display/curve.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/display/curve.h b/src/display/curve.h new file mode 100644 index 0000000..9e99620 --- /dev/null +++ b/src/display/curve.h @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** + * Authors: + * Lauris Kaplinski <lauris@kaplinski.com> + * + * Copyright (C) 2000 Lauris Kaplinski + * Copyright (C) 2000-2001 Ximian, Inc. + * Copyright (C) 2002 Lauris Kaplinski + * Copyright (C) 2008 Johan Engelen + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#ifndef SEEN_DISPLAY_CURVE_H +#define SEEN_DISPLAY_CURVE_H + +#include <2geom/pathvector.h> +#include <cstddef> +#include <optional> +#include <vector> +#include <utility> + +/** + * Wrapper around a Geom::PathVector object. + */ +class SPCurve { +public: + explicit SPCurve() = default; + explicit SPCurve(Geom::PathVector pathv) : _pathv(std::move(pathv)) {} + explicit SPCurve(Geom::Rect const &rect, bool all_four_sides = false); + + void set_pathvector(Geom::PathVector const &new_pathv); + Geom::PathVector const &get_pathvector() const; + + size_t get_segment_count() const; + size_t nodes_in_path() const; + + bool is_empty() const; + bool is_unset() const; + bool is_closed() const; + bool is_equal(SPCurve const *other) const; + bool is_similar(SPCurve const *other, double precision = 0.001) const; + Geom::Curve const *last_segment() const; + Geom::Path const *last_path() const; + Geom::Curve const *first_segment() const; + Geom::Path const *first_path() const; + std::optional<Geom::Point> first_point() const; + std::optional<Geom::Point> last_point() const; + std::optional<Geom::Point> second_point() const; + std::optional<Geom::Point> penultimate_point() const; + + void reset(); + + void moveto(Geom::Point const &p); + void moveto(double x, double y); + void lineto(Geom::Point const &p); + void lineto(double x, double y); + void quadto(Geom::Point const &p1, Geom::Point const &p2); + void quadto(double x1, double y1, double x2, double y2); + void curveto(Geom::Point const &p0, Geom::Point const &p1, Geom::Point const &p2); + void curveto(double x0, double y0, double x1, double y1, double x2, double y2); + void closepath(); + void closepath_current(); + void backspace(); + + void transform(Geom::Affine const &m); + SPCurve transformed(Geom::Affine const &m) const; + void stretch_endpoints(Geom::Point const &, Geom::Point const &); + void move_endpoints(Geom::Point const &, Geom::Point const &); + void last_point_additive_move(Geom::Point const &p); + + void append(Geom::PathVector const &, bool use_lineto = false); + void append(SPCurve const &curve2, bool use_lineto = false); + bool append_continuous(SPCurve const &c1, double tolerance = 0.0625); + + void reverse(); + SPCurve reversed() const; + + std::vector<SPCurve> split() const; + std::vector<SPCurve> split_non_overlapping() const; + + template <typename T> + static std::optional<SPCurve> ptr_to_opt(T const &p) + { + if (p) { + return *p; + } else { + return {}; + } + } + +protected: + Geom::PathVector _pathv; +}; + +#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 : |