diff options
Diffstat (limited to 'src/object/sp-conn-end-pair.h')
-rw-r--r-- | src/object/sp-conn-end-pair.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/object/sp-conn-end-pair.h b/src/object/sp-conn-end-pair.h new file mode 100644 index 0000000..c912432 --- /dev/null +++ b/src/object/sp-conn-end-pair.h @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef SEEN_SP_CONN_END_PAIR +#define SEEN_SP_CONN_END_PAIR + +/* + * A class for handling connector endpoint movement and libavoid interaction. + * + * Authors: + * Peter Moulder <pmoulder@mail.csse.monash.edu.au> + * + * * Copyright (C) 2004 Monash University + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <cstddef> +#include <sigc++/sigc++.h> + +#include "3rdparty/adaptagrams/libavoid/connector.h" +#include "attributes.h" + + +class SPConnEnd; +class SPCurve; +class SPPath; +class SPItem; +class SPObject; + +namespace Geom { class Point; } +namespace Inkscape { +namespace XML { +class Node; +} +} + +extern void recreateCurve(SPCurve *curve, Avoid::ConnRef *connRef, double curvature); + +class SPConnEndPair { +public: + SPConnEndPair(SPPath *); + ~SPConnEndPair(); + void release(); + void setAttr(const SPAttr key, char const *const value); + void writeRepr(Inkscape::XML::Node *const repr) const; + void getAttachedItems(SPItem *[2]) const; + void getEndpoints(Geom::Point endPts[]) const; + double getCurvature() const; + SPConnEnd** getConnEnds(); + bool isOrthogonal() const; + friend void recreateCurve(SPCurve *curve, Avoid::ConnRef *connRef, double curvature); + void tellLibavoidNewEndpoints(bool const processTransaction = false); + bool reroutePathFromLibavoid(); + void makePathInvalid(); + void update(); + bool isAutoRoutingConn() const; + void rerouteFromManipulation(); + +private: + void _updateEndPoints(); + + SPConnEnd *_connEnd[2]; + + SPPath *_path; + + // libavoid's internal representation of the item. + Avoid::ConnRef *_connRef; + + int _connType; + double _connCurvature; + + // A sigc connection for transformed signal. + sigc::connection _transformed_connection; +}; + + +void sp_conn_end_pair_build(SPObject *object); + + +// _connType options: +enum { + SP_CONNECTOR_NOAVOID, // Basic connector - a straight line. + SP_CONNECTOR_POLYLINE, // Object avoiding polyline. + SP_CONNECTOR_ORTHOGONAL // Object avoiding orthogonal polyline (only horizontal and vertical segments). +}; + + +#endif /* !SEEN_SP_CONN_END_PAIR */ + +/* + 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 : |