sp-star.h

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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_SP_STAR_H
#define SEEN_SP_STAR_H
 
/*
 * <sodipodi:star> implementation
 *
 * Authors:
 *   Mitsuru Oka <oka326@parkcity.ne.jp>
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *
 * Copyright (C) 1999-2002 Lauris Kaplinski
 * Copyright (C) 2000-2001 Ximian, Inc.
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
 
#include "sp-polygon.h"
 
enum SPStarPoint {
    SP_STAR_POINT_KNOT1,
    SP_STAR_POINT_KNOT2
};
 
class SPStar final : public SPShape {
public:
    SPStar();
    ~SPStar() override;
    int tag() const override { return tag_of<decltype(*this)>; }
 
    int sides;
 
    Geom::Point center;
    double r[2];
    double arg[2];
    bool flatsided;
 
    double rounded;
    double randomized;
 
    void build(SPDocument *document, Inkscape::XML::Node *repr) override;
    Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, unsigned int flags) override;
    void set(SPAttr key, char const* value) override;
    void update(SPCtx* ctx, unsigned int flags) override;
 
        const char* typeName() const override;
        const char* displayName() const override;
    char* description() const override;
    void snappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const override;
    void update_patheffect(bool write) override;
    void set_shape() override;
    Geom::Affine set_transform(Geom::Affine const& xform) override;
    double getSideLength() const;
    void setSideLength(double length);
};
 
void sp_star_position_set (SPStar *star, int sides, Geom::Point center, double r1, double r2, double arg1, double arg2, bool isflat, double rounded, double randomized);
 
Geom::Point sp_star_get_xy (SPStar const *star, SPStarPoint point, int index, bool randomized = false);
 
#endif