1 // Created on: 2013-12-25
2 // Created by: Varvara POSKONINA
3 // Copyright (c) 1999-2014 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 #include <OpenGl_BVHClipPrimitiveSet.hxx>
18 #include <BVH_BinnedBuilder.hxx>
20 // =======================================================================
21 // function : OpenGl_BVHClipPrimitiveSet
23 // =======================================================================
24 OpenGl_BVHClipPrimitiveSet::OpenGl_BVHClipPrimitiveSet()
26 myBuilder = new BVH_BinnedBuilder<Standard_ShortReal, 4> (1, 32);
29 // =======================================================================
32 // =======================================================================
33 Standard_Integer OpenGl_BVHClipPrimitiveSet::Size() const
35 return myStructs.Size();
38 // =======================================================================
41 // =======================================================================
42 Graphic3d_BndBox4f OpenGl_BVHClipPrimitiveSet::Box (const Standard_Integer theIdx) const
44 return myStructs.FindKey (theIdx + 1)->BoundingBox();
47 // =======================================================================
50 // =======================================================================
51 Standard_ShortReal OpenGl_BVHClipPrimitiveSet::Center (const Standard_Integer theIdx,
52 const Standard_Integer theAxis) const
54 Graphic3d_BndBox4f aBndBox = myStructs.FindKey (theIdx + 1)->BoundingBox();
56 return (aBndBox.CornerMin()[theAxis] +
57 aBndBox.CornerMax()[theAxis]) * 0.5f;
60 // =======================================================================
63 // =======================================================================
64 void OpenGl_BVHClipPrimitiveSet::Swap (const Standard_Integer theIdx1,
65 const Standard_Integer theIdx2)
67 myStructs.Swap (theIdx1 + 1, theIdx2 + 1);
70 // =======================================================================
73 // =======================================================================
74 void OpenGl_BVHClipPrimitiveSet::Assign (const OpenGl_ArrayOfStructure& theStructs)
78 for (Standard_Integer aPriorityIdx = 0, aNbPriorities = theStructs.Length(); aPriorityIdx < aNbPriorities; ++aPriorityIdx)
80 for (OpenGl_SequenceOfStructure::Iterator aStructIter (theStructs (aPriorityIdx)); aStructIter.More(); aStructIter.Next())
82 const OpenGl_Structure* aStruct = aStructIter.Value();
84 if (!aStruct->IsAlwaysRendered())
86 myStructs.Add (aStruct);
94 // =======================================================================
97 // =======================================================================
98 void OpenGl_BVHClipPrimitiveSet::Add (const OpenGl_Structure* theStruct)
100 const Standard_Integer aSize = myStructs.Size();
102 if (myStructs.Add (theStruct) > aSize) // new structure?
108 // =======================================================================
111 // =======================================================================
112 void OpenGl_BVHClipPrimitiveSet::Remove (const OpenGl_Structure* theStruct)
114 const Standard_Integer anIndex = myStructs.FindIndex (theStruct);
118 myStructs.Swap (Size(), anIndex);
119 myStructs.RemoveLast();
124 // =======================================================================
127 // =======================================================================
128 void OpenGl_BVHClipPrimitiveSet::Clear()
134 // =======================================================================
135 // function : GetStructureById
137 // =======================================================================
138 const OpenGl_Structure* OpenGl_BVHClipPrimitiveSet::GetStructureById (Standard_Integer theId)
140 return myStructs.FindKey (theId + 1);