1 // Created on: 1995-03-15
2 // Created by: Robert COUBLANC
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _StdSelect_ViewerSelector3d_HeaderFile
18 #define _StdSelect_ViewerSelector3d_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
22 #include <Standard_Type.hxx>
24 #include <Graphic3d_SequenceOfStructure.hxx>
25 #include <Graphic3d_SequenceOfHClipPlane.hxx>
26 #include <SelectMgr_ViewerSelector.hxx>
27 #include <SelectMgr_Selection.hxx>
28 #include <NCollection_Handle.hxx>
30 class Graphic3d_Group;
31 class Graphic3d_Structure;
32 class Graphic3d_TransformPers;
34 class SelectMgr_EntityOwner;
35 class SelectMgr_SelectableObjectSet;
38 //! Selector Usable by Viewers from V3d
39 class StdSelect_ViewerSelector3d : public SelectMgr_ViewerSelector
44 //! Constructs an empty 3D selector object.
45 Standard_EXPORT StdSelect_ViewerSelector3d();
47 //! Sets the pixel tolerance <theTolerance>.
48 Standard_EXPORT void SetPixelTolerance (const Standard_Integer theTolerance);
50 //! Returns the pixel tolerance.
51 inline Standard_Integer PixelTolerance() const;
53 //! Picks the sensitive entity at the pixel coordinates of
54 //! the mouse <theXPix> and <theYPix>. The selector looks for touched areas and owners.
55 Standard_EXPORT void Pick (const Standard_Integer theXPix,
56 const Standard_Integer theYPix,
57 const Handle(V3d_View)& theView);
59 //! Picks the sensitive entity according to the minimum
60 //! and maximum pixel values <theXPMin>, <theYPMin>, <theXPMax>
61 //! and <theYPMax> defining a 2D area for selection in the 3D view aView.
62 Standard_EXPORT void Pick (const Standard_Integer theXPMin,
63 const Standard_Integer theYPMin,
64 const Standard_Integer theXPMax,
65 const Standard_Integer theYPMax,
66 const Handle(V3d_View)& theView);
68 //! pick action - input pixel values for polyline selection for selection.
69 Standard_EXPORT void Pick (const TColgp_Array1OfPnt2d& thePolyline,
70 const Handle(V3d_View)& theView);
72 //! Displays sensitives in view <theView>.
73 Standard_EXPORT void DisplaySensitive (const Handle(V3d_View)& theView);
75 Standard_EXPORT void ClearSensitive (const Handle(V3d_View)& theView);
77 Standard_EXPORT void DisplaySensitive (const Handle(SelectMgr_Selection)& theSel,
78 const gp_Trsf& theTrsf,
79 const Handle(V3d_View)& theView,
80 const Standard_Boolean theToClearOthers = Standard_True);
82 Standard_EXPORT virtual Standard_Boolean HasDepthClipping (const Handle(SelectMgr_EntityOwner)& theOwner) const Standard_OVERRIDE;
84 DEFINE_STANDARD_RTTIEXT(StdSelect_ViewerSelector3d,SelectMgr_ViewerSelector)
88 Standard_EXPORT void computeSensitivePrs (const Handle(Graphic3d_Structure)& theStructure,
89 const Handle(SelectMgr_Selection)& theSel,
90 const gp_Trsf& theLoc,
91 const Handle(Graphic3d_TransformPers)& theTrsfPers);
93 //! Update z-layers order map.
94 Standard_EXPORT void updateZLayers (const Handle(V3d_View)& theView);
98 Graphic3d_SequenceOfStructure myStructs;
101 DEFINE_STANDARD_HANDLE(StdSelect_ViewerSelector3d, SelectMgr_ViewerSelector)
103 #include <StdSelect_ViewerSelector3d.lxx>