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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_SP_USE_H
#define SEEN_SP_USE_H
/*
* SVG <use> implementation
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 1999-2014 Authors
* 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 <cstddef>
#include <sigc++/sigc++.h>
#include "svg/svg-length.h"
#include "sp-dimensions.h"
#include "sp-item.h"
#include "enums.h"
class SPUseReference;
class SPUse : public SPItem, public SPDimensions {
public:
SPUse();
~SPUse() override;
// item built from the original's repr (the visible clone)
// relative to the SPUse itself, it is treated as a child, similar to a grouped item relative to its group
SPItem *child;
// SVG attrs
char *href;
// the reference to the original object
SPUseReference *ref;
// a sigc connection for delete notifications
sigc::connection _delete_connection;
sigc::connection _changed_connection;
// a sigc connection for transformed signal, used to do move compensation
sigc::connection _transformed_connection;
void build(SPDocument* doc, Inkscape::XML::Node* repr) override;
void release() override;
void set(SPAttr key, char const *value) override;
Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, unsigned int flags) override;
void update(SPCtx* ctx, unsigned int flags) override;
void modified(unsigned int flags) override;
Geom::OptRect bbox(Geom::Affine const &transform, SPItem::BBoxType bboxtype) const override;
const char* typeName() const override;
const char* displayName() const override;
char* description() const override;
void print(SPPrintContext *ctx) override;
Inkscape::DrawingItem* show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) override;
void hide(unsigned int key) override;
void snappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs) const override;
SPItem *root();
SPItem const *root() const;
int cloneDepth() const;
SPItem *unlink();
SPItem *get_original() const;
Geom::Affine get_parent_transform() const;
Geom::Affine get_root_transform() const;
bool anyInChain(bool (*predicate)(SPItem const *)) const;
private:
void href_changed();
void move_compensate(Geom::Affine const *mp);
void delete_self();
};
#endif
/*
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:textwidth=99 :
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