X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_Arc.h;h=37d1d8ff63a9bd62f22352da08949a847ab8d03a;hb=3f1a42a51c7de1911c75453ff7134593d7d2c6b1;hp=47a9f9dd45d2d089d1f2c469478ba1631d2b1b17;hpb=93c7fa6135463fb0a202cf94f30da60316795a04;p=modules%2Fshaper.git

diff --git a/src/SketchPlugin/SketchPlugin_Arc.h b/src/SketchPlugin/SketchPlugin_Arc.h
index 47a9f9dd4..37d1d8ff6 100644
--- a/src/SketchPlugin/SketchPlugin_Arc.h
+++ b/src/SketchPlugin/SketchPlugin_Arc.h
@@ -24,6 +24,11 @@ class SketchPlugin_Arc : public SketchPlugin_SketchEntity, public GeomAPI_IPrese
   /// to avoid cyclic dependencies in automatic updates: they mean that 
   /// update is performed right now and automatic updates are not needed
   bool myStartUpdate, myEndUpdate;
+  /// to avoid (if possible) additional modification of changed coordinate (issue #855)
+  double myXEndBefore, myYEndBefore;
+
+  /// to define in which direction draw arc
+  double myParamBefore;
 
  public:
   /// Arc feature kind
@@ -33,6 +38,24 @@ class SketchPlugin_Arc : public SketchPlugin_SketchEntity, public GeomAPI_IPrese
     return MY_SKETCH_ARC_ID;
   }
 
+  inline static const std::string& ARC_TYPE()
+  {
+    static const std::string TYPE("ArcType");
+    return TYPE;
+  }
+
+  inline static const std::string& ARC_TYPE_TANGENT()
+  {
+    static const std::string TYPE("Tangent");
+    return TYPE;
+  }
+
+  static const std::string& TANGENT_POINT_ID()
+  {
+    static const std::string TANGENT_PNT("ArcTangentPoint");
+    return TANGENT_PNT;
+  }
+
   /// Central 2D point of the circle which contains the arc
   inline static const std::string& CENTER_ID()
   {
@@ -52,6 +75,13 @@ class SketchPlugin_Arc : public SketchPlugin_SketchEntity, public GeomAPI_IPrese
     return MY_END_ID;
   }
 
+  /// Inversed flag
+  inline static const std::string& INVERSED_ID()
+  {
+    static const std::string MY_INVERSED_ID("InversedArc");
+    return MY_INVERSED_ID;
+  }
+
   /// Returns the kind of a feature
   SKETCHPLUGIN_EXPORT virtual const std::string& getKind()
   {
@@ -65,9 +95,6 @@ class SketchPlugin_Arc : public SketchPlugin_SketchEntity, public GeomAPI_IPrese
   /// Creates an arc-shape
   SKETCHPLUGIN_EXPORT virtual void execute();
 
-  /// Request for initialization of data model of the feature: adding all attributes
-  SKETCHPLUGIN_EXPORT virtual void initAttributes();
-
   /// Called on change of any argument-attribute of this object
   /// \param theID identifier of changed attribute
   SKETCHPLUGIN_EXPORT virtual void attributeChanged(const std::string& theID);
@@ -80,16 +107,31 @@ class SketchPlugin_Arc : public SketchPlugin_SketchEntity, public GeomAPI_IPrese
   /// \param theDeltaY the delta for Y coordinate is moved
   SKETCHPLUGIN_EXPORT virtual void move(const double theDeltaX, const double theDeltaY);
 
-  /// Return the distance between the feature and the point
-  /// \param thePoint the point
-  virtual double distanceToPoint(const std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
+  /// Updates the "reversed" flag
+  /// \param isReversed  whether the arc will be reversed
+  void setReversed(bool isReversed);
+  /// Returns \c true is the arc is reversed
+  bool isReversed();
 
   /// Use plugin manager for features creation
   SketchPlugin_Arc();
 
+protected:
+  /// \brief Initializes attributes of derived class.
+  virtual void initDerivedClassAttributes();
+
 private:
   /// Returns true if all obligatory attributes are initialized
   bool isFeatureValid();
+
+  /// Update attributes like passed point, radius and angle of the arc
+  void updateDependentAttributes();
+
+  /// Compose constraints to build tangency arc
+  void tangencyArcConstraints();
+
+  /// Project end point of arc to the circle
+  void projectEndPoint();
 };
 
 #endif