1 // Copyright (C) 2014-2023 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 SketchSolver_ConstraintTangent_H_
21 #define SketchSolver_ConstraintTangent_H_
23 #include <SketchSolver_Constraint.h>
25 /** \class SketchSolver_ConstraintTangent
27 * \brief Convert tangency constraint to SolveSpace structure
29 class SketchSolver_ConstraintTangent : public SketchSolver_Constraint
32 /// Constructor based on SketchPlugin constraint
33 SketchSolver_ConstraintTangent(ConstraintPtr theConstraint) :
34 SketchSolver_Constraint(theConstraint),
35 isArcArcInternal(false),
36 myCurveCurveAngle(0.0)
39 /// \brief Notify this object about the feature is changed somewhere
40 virtual void notify(const FeaturePtr& theFeature,
41 PlaneGCSSolver_Update* theUpdater);
43 /// \brief Tries to remove constraint
44 /// \return \c false, if current constraint contains another SketchPlugin constraints
45 /// (like for multiple coincidence)
46 virtual bool remove();
49 /// \brief Converts SketchPlugin constraint to a list of solver constraints
50 virtual void process();
52 /// \brief Remove current constraint from the storage and build is again
55 /// \brief This method is used in derived objects to check consistency of constraint.
56 /// E.g. the distance between line and point may be signed.
57 virtual void adjustConstraint();
60 bool isArcArcInternal;
61 double myCurveCurveAngle;
62 AttributePtr mySharedPoint;
63 EntityWrapperPtr myAuxPoint;
64 ScalarWrapperPtr myAuxParameters[2];