1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
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<mailto:webmaster.salome@opencascade.com>
20 #ifndef SketchSolver_ConstraintDistance_H_
21 #define SketchSolver_ConstraintDistance_H_
23 #include <SketchSolver_Constraint.h>
25 /** \class SketchSolver_ConstraintDistance
27 * \brief Convert distance constraint to SolveSpace structure
29 class SketchSolver_ConstraintDistance : public SketchSolver_Constraint
32 /// Constructor based on SketchPlugin constraint
33 SketchSolver_ConstraintDistance(ConstraintPtr theConstraint) :
34 SketchSolver_Constraint(theConstraint),
38 /// \brief Update constraint
39 virtual void update();
42 /// \brief Generate list of attributes of constraint in order useful for constraints
43 /// \param[out] theValue numerical characteristic of constraint (e.g. distance)
44 /// \param[out] theAttributes list of attributes to be filled
45 virtual void getAttributes(EntityWrapperPtr& theValue,
46 std::vector<EntityWrapperPtr>& theAttributes);
48 /// \brief This method is used in derived objects to check consistence of constraint.
49 /// E.g. the distance between line and point may be signed.
50 virtual void adjustConstraint();
53 double myPrevValue; ///< previous value of distance (for correct calculation of a distance sign)
55 /// \c true, if the point if placed rightside of line direction (SLVS_C_PT_LINE_DISTANCE only)