1 // Copyright (C) 2019-2023 CEA, EDF
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef SketchPlugin_BSplineBase_H_
21 #define SketchPlugin_BSplineBase_H_
23 #include <SketchPlugin.h>
24 #include <SketchPlugin_SketchEntity.h>
26 /**\class SketchPlugin_BSplineBase
28 * \brief Base class for B-spline curves in the sketch.
30 class SketchPlugin_BSplineBase : public SketchPlugin_SketchEntity
33 /// list of B-spline poles
34 inline static const std::string& POLES_ID()
36 static const std::string ID("poles");
40 /// list of B-spline weights
41 inline static const std::string& WEIGHTS_ID()
43 static const std::string ID("weights");
47 /// attribute to store the degree of B-spline
48 inline static const std::string& DEGREE_ID()
50 static const std::string ID("degree");
54 /// list of B-spline knots
55 inline static const std::string& KNOTS_ID()
57 static const std::string ID("knots");
61 /// list of B-spline multiplicities
62 inline static const std::string& MULTS_ID()
64 static const std::string ID("multiplicities");
68 /// name for add pole action
69 inline static const std::string& ADD_POLE_ACTION_ID()
71 static const std::string ID("AddPole");
75 /// Returns true is sketch element is under the rigid constraint
76 SKETCHPLUGIN_EXPORT virtual bool isFixed();
78 /// Called on change of any argument-attribute of this object
79 SKETCHPLUGIN_EXPORT virtual void attributeChanged(const std::string& theID);
81 /// Creates a new part document if needed
82 SKETCHPLUGIN_EXPORT virtual void execute();
84 /// Updates the B-spline curve.
85 /// \param[in] theActionId action key id (in following form: Action#Index)
86 /// \return \c false in case the action not performed.
87 SKETCHPLUGIN_EXPORT virtual bool customAction(const std::string& theActionId);
90 /// Called from the derived class
91 SketchPlugin_BSplineBase();
93 /// \brief Initializes attributes of derived class.
94 virtual void initDerivedClassAttributes();
96 /// \brief Return \c true if the B-spline curve is periodic
97 virtual bool isPeriodic() const = 0;
99 /// Add new pole after the pole with the given index
100 bool addPole(const int theAfter);