+ CURVECREATOR_EXPORT static gp_Pnt ConvertClickToPoint( int x, int y,
+ Handle(V3d_View) theView );
+
+ /**
+ * Generates shape on the curve
+ * \param theCurve a curve object, that contains data
+ * \param theShape a generated shape
+ */
+ CURVECREATOR_EXPORT static void constructShape( const CurveCreator_ICurve* theCurve,
+ TopoDS_Shape& theShape );
+
+ /**
+ * Find selected points in the context
+ * \param theContext the viewer context
+ * \param theCurve a curve object, that contains data
+ */
+ CURVECREATOR_EXPORT static void getSelectedPoints( Handle(AIS_InteractiveContext) theContext,
+ const CurveCreator_ICurve* theCurve,
+ CurveCreator_ICurve::SectionToPointList& thePoints );
+
+ /**
+ * Set selected points to the context
+ * \param theContext the viewer context
+ * \param theCurve a curve object, that contains data
+ * \param thePoints the curve point indices to be selected in the context
+ */
+ CURVECREATOR_EXPORT static void setSelectedPoints(
+ Handle(AIS_InteractiveContext) theContext,
+ const CurveCreator_ICurve* theCurve,
+ const CurveCreator_ICurve::SectionToPointList& thePoints =
+ CurveCreator_ICurve::SectionToPointList() );
+
+ /*!
+ * \brief Sets the local point context for the 3D viewer.
+ * \param theCurve a curve object, that contains data
+ * \param theContext the viewer context
+ * \param theOpen The flag to open or close the local context.
+ */
+ CURVECREATOR_EXPORT static void setLocalPointContext(
+ const CurveCreator_ICurve* theCurve,
+ Handle(AIS_InteractiveContext) theContext,
+ const bool theOpen );
+
+ /**
+ * Checks whether the point belongs to the OCC object
+ * \param theObject a line or shape with a bspline inside
+ * \param theX the X coordinate in the view.
+ * \param theY the Y coordinate in the view.
+ * \param thePoint the output point to be append to the model curve
+ * \param thePoint1 the output point to bound the line where a new point should be inserted
+ * \param thePoint2 the output point to bound the line where a new point should be inserted
+ */
+ CURVECREATOR_EXPORT static bool pointOnObject( Handle(V3d_View) theView,
+ Handle(AIS_InteractiveObject) theObject,
+ const int theX, const int theY,
+ gp_Pnt& thePoint, gp_Pnt& thePoint1,
+ gp_Pnt& thePoint2 );
+
+protected:
+ /*
+ * Returns whether the clicked point belong to the curve or has a very near projection
+ * \param theX the X coordinate of a point clicked in the OCC viewer
+ * \param theY the Y coordinate of a point clicked in the OCC viewer
+ * \param theCurve a geometry curve
+ * \param theOutPoint a found projected point on the curve
+ */
+ CURVECREATOR_EXPORT static bool hasProjectPointOnCurve(
+ Handle(V3d_View) theView,
+ const int theX, const int theY,
+ const Handle(Geom_Curve)& theCurve,
+ Standard_Real& theParameter,
+ int& theDelta );
+
+ /*
+ * Returns whether the X and Y coordinates is in the pixel tolerance
+ * \param theX the X coordinate of the first point
+ * \param theY the Y coordinate of the first point
+ * \param theOtherX the X coordinate of the second point
+ * \param theOtherY the Y coordinate of the second point
+ * \param theTolerance the tolerance to compare
+ * \param theDelta the sum of the a square of X and a square of Y
+ * \returns whether the points are provide to the pixel tolerance
+ */
+ CURVECREATOR_EXPORT static bool isEqualPixels( const int theX, const int theY,
+ const int theOtherX, const int theOtherY,
+ const double theTolerance, int& theDelta );
+