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 (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 (theIdx + 1)->BoundingBox();
55 Standard_ShortReal aCenter = theAxis == 0 ? (aBndBox.CornerMin().x() + aBndBox.CornerMax().x()) * 0.5f
56 : (theAxis == 1 ? (aBndBox.CornerMin().y() + aBndBox.CornerMax().y()) * 0.5f
57 : (theAxis == 2 ? (aBndBox.CornerMin().z() + aBndBox.CornerMax().z()) * 0.5f
58 : (aBndBox.CornerMin().w() + aBndBox.CornerMax().w()) * 0.5f));
62 // =======================================================================
65 // =======================================================================
66 void OpenGl_BVHClipPrimitiveSet::Swap (const Standard_Integer theIdx1,
67 const Standard_Integer theIdx2)
69 const OpenGl_Structure* aStruct1 = myStructs (theIdx1 + 1);
70 const OpenGl_Structure* aStruct2 = myStructs (theIdx2 + 1);
71 myStructs.ChangeValue (theIdx1 + 1) = aStruct2;
72 myStructs.ChangeValue (theIdx2 + 1) = aStruct1;
75 // =======================================================================
78 // =======================================================================
79 void OpenGl_BVHClipPrimitiveSet::Assign (const OpenGl_ArrayOfStructure& theStructs)
83 const Standard_Integer aNbPriorities = theStructs.Length();
84 OpenGl_SequenceOfStructure::Iterator aStructIter;
85 for (Standard_Integer aPriorityIdx = 0; aPriorityIdx < aNbPriorities; ++aPriorityIdx)
87 const OpenGl_SequenceOfStructure& aSeq = theStructs (aPriorityIdx);
88 for (aStructIter.Init (aSeq); aStructIter.More(); aStructIter.Next())
90 const OpenGl_Structure* aStruct = aStructIter.Value();
91 if (!aStruct->IsAlwaysRendered())
92 myStructs.Append (aStruct);
99 // =======================================================================
102 // =======================================================================
103 void OpenGl_BVHClipPrimitiveSet::Add (const OpenGl_Structure* theStruct)
105 myStructs.Append (theStruct);
109 // =======================================================================
112 // =======================================================================
113 void OpenGl_BVHClipPrimitiveSet::Remove (const OpenGl_Structure* theStruct)
115 for (Standard_Integer anIdx = 1; anIdx <= myStructs.Size(); ++anIdx)
117 if (myStructs (anIdx) == theStruct)
119 myStructs.Remove (anIdx);
126 // =======================================================================
129 // =======================================================================
130 void OpenGl_BVHClipPrimitiveSet::Clear()
136 // =======================================================================
137 // function : GetStructureById
139 // =======================================================================
140 const OpenGl_Structure* OpenGl_BVHClipPrimitiveSet::GetStructureById (Standard_Integer theId)
142 return myStructs (theId + 1);