Sort constraints before adding it to the solver (issue #911)

[modules/shaper.git] / src / SketchSolver / SketchSolver_Constraint.h

diff --git a/src/SketchSolver/SketchSolver_Constraint.h b/src/SketchSolver/SketchSolver_Constraint.h
index 6a57f6b2182def8f4382a7d02a3a602f509bbc3f..8589dc19bb7d5b3d2e23e48a71950db084f71e5b 100644 (file)
--- a/src/SketchSolver/SketchSolver_Constraint.h
+++ b/src/SketchSolver/SketchSolver_Constraint.h
@@ -51,6 +51,9 @@ public:
   /// \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; }
@@ -63,6 +66,9 @@ public:
   /// \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; }
@@ -76,7 +82,12 @@ protected:
   /// \param[out] theAttributes list of attributes to be filled
   virtual void getAttributes(double& theValue, std::vector<Slvs_hEntity>& theAttributes);
 
-  /// \brief This method is used in derived objects to check consistence of constraint.
+  /// \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()
   {}
@@ -91,6 +102,14 @@ protected:
   /// \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();
 
@@ -98,6 +117,10 @@ protected:
   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
@@ -177,4 +200,27 @@ public:
   { 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