| 30a1b24e |
1 | // Created on: 2018-12-12 |
| 2 | // Created by: Olga SURYANINOVA |
| 3 | // Copyright (c) 2018 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 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. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | #ifndef _AIS_CameraFrustum_HeaderFile |
| 17 | #define _AIS_CameraFrustum_HeaderFile |
| 18 | |
| 19 | #include <AIS_InteractiveObject.hxx> |
| 20 | |
| 21 | class Graphic3d_ArrayOfSegments; |
| 22 | class Graphic3d_ArrayOfTriangles; |
| 23 | |
| 24 | //! Presentation for drawing camera frustum. |
| 25 | //! Default configuration is built with filling and some transparency. |
| 26 | class AIS_CameraFrustum : public AIS_InteractiveObject |
| 27 | { |
| 28 | DEFINE_STANDARD_RTTIEXT(AIS_CameraFrustum, AIS_InteractiveObject) |
| 29 | public: |
| 30 | |
| 31 | //! Selection modes supported by this object |
| 32 | enum SelectionMode |
| 33 | { |
| 34 | SelectionMode_Edges = 0, //!< detect by edges (default) |
| 35 | SelectionMode_Volume = 1, //!< detect by volume |
| 36 | }; |
| 37 | |
| 38 | public: |
| 39 | |
| 40 | //! Constructs camera frustum with default configuration. |
| 41 | Standard_EXPORT AIS_CameraFrustum(); |
| 42 | |
| 43 | //! Sets camera frustum. |
| 44 | Standard_EXPORT void SetCameraFrustum (const Handle(Graphic3d_Camera)& theCamera); |
| 45 | |
| 46 | //! Setup custom color. |
| 47 | Standard_EXPORT virtual void SetColor (const Quantity_Color& theColor) Standard_OVERRIDE; |
| 48 | |
| 49 | //! Restore default color. |
| 50 | Standard_EXPORT virtual void UnsetColor() Standard_OVERRIDE; |
| 51 | |
| 52 | //! Restore transparency setting. |
| 53 | Standard_EXPORT virtual void UnsetTransparency() Standard_OVERRIDE; |
| 54 | |
| 55 | //! Return true if specified display mode is supported. |
| 56 | Standard_EXPORT virtual Standard_Boolean AcceptDisplayMode (const Standard_Integer theMode) const Standard_OVERRIDE; |
| 57 | |
| 58 | protected: |
| 59 | |
| 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; |
| 64 | |
| 65 | //! Compute selection. |
| 66 | Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& theSelection, |
| 67 | const Standard_Integer theMode) Standard_OVERRIDE; |
| 68 | |
| 69 | private: |
| 70 | |
| 71 | //! Fills triangles primitive array for camera frustum filling. |
| 72 | void fillTriangles(); |
| 73 | |
| 74 | //! Fills polylines primitive array for camera frustum borders. |
| 75 | void fillBorders(); |
| 76 | |
| 77 | protected: |
| 78 | |
| 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 |
| 82 | |
| 83 | }; |
| 84 | |
| 85 | #endif // _AIS_CameraFrustum_HeaderFile |
projects / occt.git / blame