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[modules/hydro.git] / src / HYDROCurveCreator / CurveCreator_Utils.h
1 // Copyright (C) 2013  CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License.
7 //
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11 // Lesser General Public License for more details.
12 //
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
16 //
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
18 //
19
20 #ifndef CURVECREATOR_UTILS_H
21 #define CURVECREATOR_UTILS_H
22
23 #include "CurveCreator_Macro.hxx"
24
25 #include <AIS_InteractiveContext.hxx>
26 #include <AIS_InteractiveObject.hxx> // TODO: remove
27 #include <V3d_View.hxx>
28 #include <gp_Pnt.hxx>
29 #include <Geom_Curve.hxx>
30 #include <TopoDS_Shape.hxx>
31
32 #include <list>
33 #include <vector> // TODO: remove
34
35 class CurveCreator_ICurve;
36
37 class CurveCreator_Utils
38 {
39 public:
40
41     /*!
42    * \brief Returns the point clicked in 3D view.
43    *
44    * \param x The X coordinate in the view.
45    * \param y The Y coordinate in the view.
46    * \param theView View where the given point takes place.
47    * \retval gp_Pnt Returns the point clicked in 3D view
48    */
49   CURVECREATOR_EXPORT static void ConvertPointToClick( const gp_Pnt& thePoint,
50                                                        Handle(V3d_View) theView,
51                                                        int& x, int& y );
52
53   /*!
54    * \brief Returns the point clicked in 3D view.
55    *
56    * \param x The X coordinate in the view.
57    * \param y The Y coordinate in the view.
58    * \param theView View where the given point takes place.
59    * \retval gp_Pnt Returns the point clicked in 3D view
60    */
61   CURVECREATOR_EXPORT static gp_Pnt ConvertClickToPoint( int x, int y,
62                                                          Handle(V3d_View) theView );
63
64   /**
65    * Generates shape on the curve
66    * \param theCurve a curve object, that contains data
67    * \param theISection a curve section index
68    * \param theShape a generated shape
69    */
70   CURVECREATOR_EXPORT static void constructShape( const CurveCreator_ICurve* theCurve,
71                                                   const int theISection,
72                                                   TopoDS_Shape& theShape,
73                                                   std::vector<Handle_AIS_InteractiveObject>& theAdditional );
74
75   /**
76    * Find selected points in the context
77    * \param theContext the viewer context
78    */
79   CURVECREATOR_EXPORT static std::list<float> getSelectedPoints(
80                                         Handle(AIS_InteractiveContext) theContext );
81
82   /*!
83    * \brief Sets the local point context for the 3D viewer.
84    * \param theOpen The flag to open or close the local context.
85    */
86   CURVECREATOR_EXPORT static void setLocalPointContext(
87                                         Handle(AIS_InteractiveContext) theContext,
88                                         const bool theOpen );
89
90   /**
91    * Find the neighbour points by the clicked coordinates
92    * \param theContext the viewer context.
93    * \param theContext the V3D view.
94    * \param theX the X coordinate in the view.
95    * \param theY the Y coordinate in the view.
96    * \param thePoint the output point to be append to the model curve
97    * \param thePoint1 the output point to bound the line where a new point should be inserted
98    * \param thePoint2 the output point to bound the line where a new point should be inserted
99    */
100   CURVECREATOR_EXPORT static bool getNeighbourPoints(
101                                         Handle(AIS_InteractiveContext) theContext,
102                                         Handle(V3d_View) theView,
103                                         const int theX, const int theY,
104                                         gp_Pnt& thePoint, gp_Pnt& thePoint1,
105                                         gp_Pnt& thePoint2 );
106
107 protected:
108   /**
109    * Checks whether the point belongs to the OCC object
110    * \param theObject a line or shape with a bspline inside
111    * \param theX the X coordinate in the view.
112    * \param theY the Y coordinate in the view.
113    * \param thePoint the output point to be append to the model curve
114    * \param thePoint1 the output point to bound the line where a new point should be inserted
115    * \param thePoint2 the output point to bound the line where a new point should be inserted
116    */
117   CURVECREATOR_EXPORT static bool pointOnObject( Handle(V3d_View) theView,
118                                                  Handle(AIS_InteractiveObject) theObject,
119                                                  const int theX, const int theY,
120                                                  gp_Pnt& thePoint, gp_Pnt& thePoint1,
121                                                  gp_Pnt& thePoint2 );
122
123   /*
124    * Returns whether the clicked point belong to the curve or has a very near projection
125    * \param theX the X coordinate of a point clicked in the OCC viewer
126    * \param theY the Y coordinate of a point clicked in the OCC viewer
127    * \param theCurve a geometry curve
128    * \param theOutPoint a found projected point on the curve
129   */
130   CURVECREATOR_EXPORT static bool hasProjectPointOnCurve(
131                                                  Handle(V3d_View) theView,
132                                                  const int theX, const int theY,
133                                                  const Handle(Geom_Curve)& theCurve,
134                                                  Standard_Real& theParameter );
135
136 };
137
138 #endif // CURVECREATOR_UTILS_H