1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: SketchSolver_ConstraintMirror.h
5 // Author: Artem ZHIDKOV
7 #ifndef SketchSolver_ConstraintMirror_H_
8 #define SketchSolver_ConstraintMirror_H_
10 #include "SketchSolver.h"
11 #include <SketchSolver_Constraint.h>
13 /** \class SketchSolver_ConstraintMirror
15 * \brief Convert fillet constraint to SolveSpace structure
17 class SketchSolver_ConstraintMirror : public SketchSolver_Constraint
20 SketchSolver_ConstraintMirror(ConstraintPtr theConstraint) :
21 SketchSolver_Constraint(theConstraint),
23 myMirrorLineLength(0.0)
26 virtual int getType() const
27 { return SLVS_C_SYMMETRIC_LINE; }
29 /// \brief Update constraint
30 virtual void update(ConstraintPtr theConstraint = ConstraintPtr());
32 /// \brief Tries to remove constraint
33 /// \return \c false, if current constraint contains another SketchPlugin constraints (like for multiple coincidence)
34 virtual bool remove(ConstraintPtr theConstraint = ConstraintPtr());
37 /// \brief Converts SketchPlugin constraint to a list of SolveSpace constraints
38 virtual void process();
40 /// \brief Generate list of attributes of constraint in order useful for SolveSpace constraints
41 /// \param[out] theValue numerical characteristic of constraint (e.g. distance)
42 /// \param[out] theAttributes list of attributes to be filled
43 virtual void getAttributes(double& theValue, std::vector<Slvs_hEntity>& theAttributes)
44 { /* do nothing here */ }
46 /// \brief Verify the attributes of constraint are changed (and constraint need to rebuild)
47 /// \param[in] theConstraint constraint, which attributes should be checked (if NULL, the myBaseConstraint is used)
48 /// \return \c true if some attributes are changed
49 virtual bool checkAttributesChanged(ConstraintPtr theConstraint);
51 /// \brief Generate list of entities of mirror constraint
52 /// \param[out] theMirrorLine entity corresponding to mirror line
53 /// \param[out] theBaseEntities list of entities to mirror
54 /// \param[out] theMirrorEntities list of mirrored entities
55 void getAttributes(Slvs_Entity& theMirrorLine,
56 std::vector<Slvs_Entity>& theBaseEntities,
57 std::vector<Slvs_Entity>& theMirrorEntities);
59 /// \brief This method is used in derived objects to check consistence of constraint.
60 /// E.g. the distance between line and point may be signed.
61 virtual void adjustConstraint();
64 /// \brief Change parameters of entities to be symmetric relative a line,
65 /// given by array of parameters (coordinates of first and last points)
66 void makeMirrorEntity(const Slvs_Entity& theBase,
67 const Slvs_Entity& theMirror,
68 const double theMirrorLine[]) const;
70 /// \brief Precisely update last point to be on arc
71 void adjustArcPoints(const Slvs_Entity& theArc) const;
74 size_t myNumberOfObjects; ///< number of previously mirrored objects
75 double myMirrorLineLength; ///< length of mirror line (should be always greater than 0)