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1 | // Created on: 2013-12-25 |
2 | // Created by: Varvara POSKONINA |
3 | // Copyright (c) 1999-2014 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 _OpenGl_BVHClipPrimitiveSet_HeaderFile |
17 | #define _OpenGl_BVHClipPrimitiveSet_HeaderFile |
18 | |
19 | #include <BVH_PrimitiveSet.hxx> |
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20 | #include <NCollection_Array1.hxx> |
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21 | #include <NCollection_IndexedMap.hxx> |
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22 | |
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23 | #include <OpenGl_Structure.hxx> |
24 | |
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25 | //! Set of OpenGl_Structures for building BVH tree. |
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26 | class OpenGl_BVHClipPrimitiveSet : public BVH_PrimitiveSet<Standard_Real, 3> |
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27 | { |
28 | protected: |
29 | |
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30 | using BVH_PrimitiveSet<Standard_Real, 3>::Box; |
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31 | |
32 | public: |
33 | |
34 | //! Creates an empty primitive set for BVH clipping. |
35 | OpenGl_BVHClipPrimitiveSet(); |
36 | |
37 | //! Returns total number of structures. |
38 | virtual Standard_Integer Size() const; |
39 | |
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40 | //! Returns AABB of the structure. |
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41 | virtual Graphic3d_BndBox3d Box (const Standard_Integer theIdx) const; |
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42 | |
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43 | //! Calculates center of the AABB along given axis. |
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44 | virtual Standard_Real Center (const Standard_Integer theIdx, |
45 | const Standard_Integer theAxis) const; |
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46 | |
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47 | //! Swaps structures with the given indices. |
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48 | virtual void Swap (const Standard_Integer theIdx1, |
49 | const Standard_Integer theIdx2); |
50 | |
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51 | //! Adds structure to the set. |
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52 | //! @return true if structure added, otherwise returns false (structure already in the set). |
53 | Standard_Boolean Add (const OpenGl_Structure* theStruct); |
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54 | |
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55 | //! Removes the given structure from the set. |
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56 | //! @return true if structure removed, otherwise returns false (structure is not in the set). |
57 | Standard_Boolean Remove (const OpenGl_Structure* theStruct); |
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58 | |
59 | //! Cleans the whole primitive set. |
60 | void Clear(); |
61 | |
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62 | //! Returns the structure corresponding to the given ID. |
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63 | const OpenGl_Structure* GetStructureById (Standard_Integer theId); |
64 | |
65 | private: |
66 | |
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67 | NCollection_IndexedMap<const OpenGl_Structure*> myStructs; //!< Indexed map of structures. |
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68 | |
69 | }; |
70 | |
71 | #endif // _OpenGl_BVHClipPrimitiveSet_HeaderFile |