--- /dev/null
+// File : FrontTrack_Projector.hxx
+// Created : Wed Apr 26 20:12:13 2017
+// Author : Edward AGAPOV (eap)
+
+#ifndef __FrontTrack_Projector_HXX__
+#define __FrontTrack_Projector_HXX__
+
+#include <TopoDS_Shape.hxx>
+#include <Bnd_Box.hxx>
+
+struct FT_RealProjector;
+
+/*!
+ * \brief Projector of a point to a boundary shape. Wrapper of a real projection algo
+ */
+class FT_Projector
+{
+public:
+
+ FT_Projector(const TopoDS_Shape& shape = TopoDS_Shape());
+ FT_Projector(const FT_Projector& other);
+ ~FT_Projector();
+
+ // initialize with a boundary shape, compute the bounding box
+ void setBoundaryShape(const TopoDS_Shape& shape);
+
+ // return the boundary shape
+ const TopoDS_Shape& getShape() const { return _shape; }
+
+ // return the bounding box
+ const Bnd_Box getBoundingBox() const { return _bndBox; }
+
+
+ // create a real projector
+ void prepareForProjection();
+
+ // return true if a previously found solution can be used to speed up the projection
+ bool canUsePrevSolution() const;
+
+ // return true if projection is not needed
+ bool isPlanarBoundary() const;
+
+ // project a point to the boundary shape
+ bool project( const gp_Pnt& point,
+ const double maxDist2,
+ gp_Pnt& projection,
+ double* newSolution,
+ const double* prevSolution = 0);
+
+ // project a point to the boundary shape and check if the projection is within the shape boundary
+ bool projectAndClassify( const gp_Pnt& point,
+ const double maxDist2,
+ gp_Pnt& projection,
+ double* newSolution,
+ const double* prevSolution = 0);
+
+ // check if a point lies on the boundary shape
+ bool isOnShape( const gp_Pnt& point,
+ const double tol2,
+ double* newSolution,
+ const double* prevSolution = 0);
+
+private:
+
+ FT_RealProjector* _realProjector;
+ Bnd_Box _bndBox;
+ TopoDS_Shape _shape;
+};
+
+#endif
