-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: SketchSolver_ConstraintDistance.h
-// Created: 31 Mar 2015
-// Author: Artem ZHIDKOV
+// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
#ifndef SketchSolver_ConstraintDistance_H_
#define SketchSolver_ConstraintDistance_H_
-#include "SketchSolver.h"
#include <SketchSolver_Constraint.h>
/** \class SketchSolver_ConstraintDistance
class SketchSolver_ConstraintDistance : public SketchSolver_Constraint
{
public:
+ /// Constructor based on SketchPlugin constraint
SketchSolver_ConstraintDistance(ConstraintPtr theConstraint) :
- SketchSolver_Constraint(theConstraint), myType(SLVS_C_UNKNOWN)
+ SketchSolver_Constraint(theConstraint),
+ myIsSigned(false),
+ mySignValue(0.0)
{}
- virtual int getType() const
- {return myType; }
+ /// \brief Update constraint
+ virtual void update();
protected:
- /// \brief Converts SketchPlugin constraint to a list of SolveSpace constraints
- virtual void process();
+ /// \brief Generate list of attributes of constraint in order useful for constraints
+ /// \param[out] theValue numerical characteristic of constraint (e.g. distance)
+ /// \param[out] theAttributes list of attributes to be filled
+ virtual void getAttributes(EntityWrapperPtr& theValue,
+ std::vector<EntityWrapperPtr>& theAttributes);
- /// \brief Verifies the sign of the distance between line and point and change it if necessary
+ /// \brief This method is used in derived objects to check consistence of constraint.
+ /// E.g. the distance between line and point may be signed.
virtual void adjustConstraint();
private:
- int myType; ///< type of constraint (applicable: SLVS_C_PT_PT_DISTANCE, SLVS_C_PT_LINE_DISTANCE)
+ void addConstraintsToKeepSign();
+ void removeConstraintsKeepingSign();
+
+private:
+ double myPrevValue; ///< previous value of distance (for correct calculation of a distance sign)
+ bool myIsSigned; ///< true if the sign of point-line distance should be kept everytime
+ GCSPointPtr myOddPoint; ///< auxiliary point to keep sign of distance
+ double mySignValue;
};
#endif