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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/helper/geom-nodetype.h | |
parent | Initial commit. (diff) | |
download | inkscape-upstream/1.2.2.tar.xz inkscape-upstream/1.2.2.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/helper/geom-nodetype.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/helper/geom-nodetype.h b/src/helper/geom-nodetype.h new file mode 100644 index 0000000..d7d4d4c --- /dev/null +++ b/src/helper/geom-nodetype.h @@ -0,0 +1,57 @@ +// 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 : |