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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef INKSCAPE_HELPER_GEOM_NODETYPE_H
#define INKSCAPE_HELPER_GEOM_NODETYPE_H
/**
* @file
* Specific nodetype geometry functions for Inkscape, not provided my lib2geom.
*/
/*
* Author:
* Johan Engelen <goejendaagh@zonnet.nl>
*
* Copyright (C) 2008 Johan Engelen
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <2geom/forward.h>
namespace Geom {
/**
* What kind of node is this? This is the value for the node->type
* field. NodeType indicates the degree of continuity required for
* the node. I think that the corresponding integer indicates which
* derivate is connected. (Thus 2 means that the node is continuous
* to the second derivative, i.e. has matching endpoints and tangents)
*/
enum NodeType {
/** Discontinuous node, usually either start or endpoint of a path */
NODE_NONE,
/** This node continuously joins two segments, but the unit tangent is discontinuous.*/
NODE_CUSP,
/** This node continuously joins two segments, with continuous *unit* tangent. */
NODE_SMOOTH,
/** This node is symmetric. I.e. continuously joins two segments with continuous derivative */
NODE_SYMM
};
NodeType get_nodetype(Curve const &c_incoming, Curve const &c_outgoing);
} // namespace Geom
#endif // INKSCAPE_HELPER_GEOM_NODETYPE_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:fileencoding=utf-8:textwidth=99 :
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