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#ifndef __SP_USE_H__
#define __SP_USE_H__
/*
* SVG <use> implementation
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 1999-2002 Lauris Kaplinski
* Copyright (C) 2000-2001 Ximian, Inc.
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <stddef.h>
#include <sigc++/sigc++.h>
#include "svg/svg-length.h"
#include "sp-item.h"
#define SP_USE(obj) (dynamic_cast<SPUse*>((SPObject*)obj))
#define SP_IS_USE(obj) (dynamic_cast<const SPUse*>((SPObject*)obj) != NULL)
class SPUseReference;
class SPUse : public SPItem {
public:
SPUse();
virtual ~SPUse();
// 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
SPObject *child;
// SVG attrs
SVGLength x;
SVGLength y;
SVGLength width;
SVGLength height;
gchar *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;
virtual void build(SPDocument* doc, Inkscape::XML::Node* repr);
virtual void release();
virtual void set(unsigned key, gchar const *value);
virtual Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags);
virtual void update(SPCtx* ctx, unsigned int flags);
virtual void modified(unsigned int flags);
virtual Geom::OptRect bbox(Geom::Affine const &transform, SPItem::BBoxType bboxtype);
virtual gchar* description();
virtual void print(SPPrintContext *ctx);
virtual Inkscape::DrawingItem* show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags);
virtual void hide(unsigned int key);
virtual void snappoints(std::vector<Inkscape::SnapCandidatePoint> &p, Inkscape::SnapPreferences const *snapprefs);
};
SPItem *sp_use_unlink (SPUse *use);
SPItem *sp_use_get_original (SPUse *use);
Geom::Affine sp_use_get_parent_transform (SPUse *use);
Geom::Affine sp_use_get_root_transform(SPUse *use);
SPItem *sp_use_root(SPUse *use);
#endif
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