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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_CANVAS_ITEM_GROUP_H
#define SEEN_CANVAS_ITEM_GROUP_H
/**
* A CanvasItem that contains other CanvasItems.
*/
/*
* Author:
* Tavmjong Bah
*
* Copyright (C) 2020 Tavmjong Bah
*
* Rewrite of SPCanvasGroup
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "canvas-item.h"
namespace Inkscape {
class CanvasItemGroup final : public CanvasItem
{
public:
CanvasItemGroup(CanvasItemGroup *group);
CanvasItemGroup(CanvasItemContext *context);
// Geometry
void visit_page_rects(std::function<void(Geom::Rect const &)> const &) const override;
// Selection
CanvasItem *pick_item(Geom::Point const &p);
protected:
friend class CanvasItem; // access to items
friend class CanvasItemContext; // access to destructor
~CanvasItemGroup() override;
void _update(bool propagate) override;
void _mark_net_invisible() override;
void _render(Inkscape::CanvasItemBuffer &buf) const override;
/**
* Type for linked list storing CanvasItems.
* Used to speed deletion when a group contains a large number of items (as in nodes for a complex path).
*/
using CanvasItemList = boost::intrusive::list<
Inkscape::CanvasItem,
boost::intrusive::member_hook<Inkscape::CanvasItem, boost::intrusive::list_member_hook<>,
&Inkscape::CanvasItem::member_hook>>;
CanvasItemList items;
};
} // namespace Inkscape
#endif // SEEN_CANVAS_ITEM_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 :
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