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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_SP_MARKER_H
#define SEEN_SP_MARKER_H
/*
* SVG <marker> implementation
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 1999-2003 Lauris Kaplinski
* Copyright (C) 2008 Johan Engelen
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
/*
* This is quite similar in logic to <svg>
* Maybe we should merge them somehow (Lauris)
*/
#define SP_TYPE_MARKER (sp_marker_get_type ())
#define SP_MARKER(obj) (dynamic_cast<SPMarker*>((SPObject*)obj))
#define SP_IS_MARKER(obj) (dynamic_cast<const SPMarker*>((SPObject*)obj) != NULL)
class SPMarkerView;
#include <map>
#include <2geom/rect.h>
#include <2geom/affine.h>
#include "enums.h"
#include "svg/svg-length.h"
#include "svg/svg-angle.h"
#include "sp-item-group.h"
#include "uri-references.h"
#include "viewbox.h"
enum markerOrient {
MARKER_ORIENT_ANGLE,
MARKER_ORIENT_AUTO,
MARKER_ORIENT_AUTO_START_REVERSE
};
class SPMarker : public SPGroup, public SPViewBox {
public:
SPMarker();
~SPMarker() override;
/* units */
unsigned int markerUnits_set : 1;
unsigned int markerUnits : 1;
/* reference point */
SVGLength refX;
SVGLength refY;
/* dimensions */
SVGLength markerWidth;
SVGLength markerHeight;
/* orient */
unsigned int orient_set : 1;
markerOrient orient_mode : 2;
SVGAngle orient;
/* Private views indexed by key that corresponds to a
* particular marker type (start, mid, end) on a particular
* path. SPMarkerView is a wrapper for a vector of pointers to
* Inkscape::DrawingItem instances, one pointer for each
* rendered marker.
*/
std::map<unsigned int, SPMarkerView> views_map;
void build(SPDocument *document, Inkscape::XML::Node *repr) override;
void release() override;
void set(SPAttributeEnum key, gchar const* value) override;
void update(SPCtx *ctx, guint flags) override;
Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags) override;
Inkscape::DrawingItem* show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags) override;
virtual Inkscape::DrawingItem* private_show(Inkscape::Drawing &drawing, unsigned int key, unsigned int flags);
void hide(unsigned int key) override;
Geom::OptRect bbox(Geom::Affine const &transform, SPItem::BBoxType type) const override;
void print(SPPrintContext *ctx) override;
};
class SPMarkerReference : public Inkscape::URIReference {
SPMarkerReference(SPObject *obj) : URIReference(obj) {}
SPMarker *getObject() const {
return static_cast<SPMarker *>(URIReference::getObject());
}
protected:
bool _acceptObject(SPObject *obj) const override {
return SP_IS_MARKER(obj) && URIReference::_acceptObject(obj);
}
};
void sp_marker_show_dimension (SPMarker *marker, unsigned int key, unsigned int size);
Inkscape::DrawingItem *sp_marker_show_instance (SPMarker *marker, Inkscape::DrawingItem *parent,
unsigned int key, unsigned int pos,
Geom::Affine const &base, float linewidth);
void sp_marker_hide (SPMarker *marker, unsigned int key);
const char *generate_marker (std::vector<Inkscape::XML::Node*> &reprs, Geom::Rect bounds, SPDocument *document, Geom::Point center, Geom::Affine move);
SPObject *sp_marker_fork_if_necessary(SPObject *marker);
#endif
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