1 // Created on: 2018-12-12
2 // Created by: Olga SURYANINOVA
3 // Copyright (c) 2018 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _AIS_CameraFrustum_HeaderFile
17 #define _AIS_CameraFrustum_HeaderFile
19 #include <AIS_InteractiveObject.hxx>
21 class Graphic3d_ArrayOfSegments;
22 class Graphic3d_ArrayOfTriangles;
24 //! Presentation for drawing camera frustum.
25 //! Default configuration is built with filling and some transparency.
26 class AIS_CameraFrustum : public AIS_InteractiveObject
28 DEFINE_STANDARD_RTTIEXT(AIS_CameraFrustum, AIS_InteractiveObject)
31 //! Selection modes supported by this object
34 SelectionMode_Edges = 0, //!< detect by edges (default)
35 SelectionMode_Volume = 1, //!< detect by volume
40 //! Constructs camera frustum with default configuration.
41 Standard_EXPORT AIS_CameraFrustum();
43 //! Sets camera frustum.
44 Standard_EXPORT void SetCameraFrustum (const Handle(Graphic3d_Camera)& theCamera);
46 //! Setup custom color.
47 Standard_EXPORT virtual void SetColor (const Quantity_Color& theColor) Standard_OVERRIDE;
49 //! Restore default color.
50 Standard_EXPORT virtual void UnsetColor() Standard_OVERRIDE;
52 //! Restore transparency setting.
53 Standard_EXPORT virtual void UnsetTransparency() Standard_OVERRIDE;
55 //! Return true if specified display mode is supported.
56 Standard_EXPORT virtual Standard_Boolean AcceptDisplayMode (const Standard_Integer theMode) const Standard_OVERRIDE;
60 //! Computes presentation of camera frustum.
61 Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
62 const Handle(Prs3d_Presentation)& thePrs,
63 const Standard_Integer theMode) Standard_OVERRIDE;
65 //! Compute selection.
66 Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
67 const Standard_Integer theMode) Standard_OVERRIDE;
71 //! Fills triangles primitive array for camera frustum filling.
74 //! Fills polylines primitive array for camera frustum borders.
79 NCollection_Array1<Graphic3d_Vec3d> myPoints; //!< Array of points
80 Handle(Graphic3d_ArrayOfTriangles) myTriangles; //!< Triangles for camera frustum filling
81 Handle(Graphic3d_ArrayOfSegments) myBorders; //!< Segments for camera frustum borders
85 #endif // _AIS_CameraFrustum_HeaderFile