/// \brief Returns the type of constraint
virtual int getType() const = 0;
+ /// \brief The constraint is made temporary
+ void makeTemporary() const;
+
/// \brief Checks the constraint is used by current object
virtual bool hasConstraint(ConstraintPtr theConstraint) const
{ return theConstraint == myBaseConstraint; }
/// \brief Return identifier of SolveSpace entity relating to the attribute
Slvs_hEntity getId(AttributePtr theAttribute) const;
+ /// \brief Adds a feature to constraint and create its analogue in SolveSpace
+ virtual void addFeature(FeaturePtr theFeature);
+
/// \brief Shows error message
const std::string& error() const
{ return myErrorMsg; }
/// \param[out] theAttributes list of attributes to be filled
virtual void getAttributes(double& theValue, std::vector<Slvs_hEntity>& theAttributes);
+ /// \brief Verify the attributes of constraint are changed (and constraint need to rebuild)
+ /// \param[in] theConstraint constraint, which attributes should be checked (if NULL, the myBaseConstraint is used)
+ /// \return \c true if some attributes are changed
+ virtual bool checkAttributesChanged(ConstraintPtr theConstraint);
+
+ /// \brief This method is used in derived objects to check consistency of constraint.
+ /// E.g. the distance between line and point may be signed.
+ virtual void adjustConstraint()
+ {}
+
/// \brief Create or change SlveSpace entity according to the given attribute
/// \param[in] theAttribute reference to the entity to be changed
/// \param[out] theType type of created entity
/// \brief Create or change SlveSpace entity according to the given feature
Slvs_hEntity changeEntity(FeaturePtr theFeature, int& theType);
+ /// \brief Calculate middle point on the specified entity
+ /// \param[in] theEntity arc or line
+ /// \param[in] theCoeff is a value in [0.0, 1.0] which shows the position of the point on the entity (0.0 - start point, 1.0 - end point)
+ /// \param[out] theX X coordinate of middle point
+ /// \param[out] theY Y coordinate of middle point
+ void calculateMiddlePoint(const Slvs_Entity& theEntity, double theCoeff,
+ double& theX, double& theY) const;
+
/// \brief Removes the links to unused entities
void cleanRemovedEntities();
void cleanErrorMsg()
{ myErrorMsg.clear(); }
+private:
+ /// \brief Sets error, if the attribute is not initialized
+ bool isInitialized(AttributePtr theAttribute);
+
protected:
SketchSolver_Group* myGroup; ///< the group which contains current constraint
ConstraintPtr myBaseConstraint; ///< SketchPlugin constraint
-/** \class SketchSolver_ConstraintDistance
- * \ingroup Plugins
- * \brief Convert distance constraint to SolveSpace structure
- */
-class SketchSolver_ConstraintDistance : public SketchSolver_Constraint
-{
-public:
- SketchSolver_ConstraintDistance(ConstraintPtr theConstraint) :
- SketchSolver_Constraint(theConstraint)
- {}
-
- virtual int getType() const
- { return SLVS_C_PT_PT_DISTANCE; }
-};
-
-
/** \class SketchSolver_ConstraintParallel
* \ingroup Plugins
* \brief Convert Parallel constraint to SolveSpace structure
{ return SLVS_C_VERTICAL; }
};
+
+/** \class SketchSolver_ConstraintRadius
+ * \ingroup Plugins
+ * \brief Convert Radius constraint to SolveSpace structure
+ */
+class SketchSolver_ConstraintRadius : public SketchSolver_Constraint
+{
+public:
+ SketchSolver_ConstraintRadius(ConstraintPtr theConstraint) :
+ SketchSolver_Constraint(theConstraint)
+ {}
+
+ virtual int getType() const
+ { return SLVS_C_DIAMETER; }
+
+ virtual void adjustConstraint()
+ {
+ Slvs_Constraint aConstraint = myStorage->getConstraint(mySlvsConstraints.front());
+ aConstraint.valA *= 2.0;
+ myStorage->updateConstraint(aConstraint);
+ }
+};
+
#endif