0027541: ShapeFix_ComposeShell allows usage of uninitialized value of the field myInv...
[occt.git] / src / OpenGl / OpenGl_BVHClipPrimitiveSet.cxx
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b7cd4ba7 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#include <OpenGl_BVHClipPrimitiveSet.hxx>
17
18#include <BVH_BinnedBuilder.hxx>
c04c30b3 19#include <Graphic3d_GraphicDriver.hxx>
b7cd4ba7 20
21// =======================================================================
22// function : OpenGl_BVHClipPrimitiveSet
23// purpose :
24// =======================================================================
25OpenGl_BVHClipPrimitiveSet::OpenGl_BVHClipPrimitiveSet()
26{
27 myBuilder = new BVH_BinnedBuilder<Standard_ShortReal, 4> (1, 32);
28}
29
30// =======================================================================
31// function : Size
32// purpose :
33// =======================================================================
34Standard_Integer OpenGl_BVHClipPrimitiveSet::Size() const
35{
36 return myStructs.Size();
37}
38
39// =======================================================================
40// function : Box
41// purpose :
42// =======================================================================
43Graphic3d_BndBox4f OpenGl_BVHClipPrimitiveSet::Box (const Standard_Integer theIdx) const
44{
385c43e7 45 return myStructs.FindKey (theIdx + 1)->BoundingBox();
b7cd4ba7 46}
47
48// =======================================================================
49// function : Center
50// purpose :
51// =======================================================================
52Standard_ShortReal OpenGl_BVHClipPrimitiveSet::Center (const Standard_Integer theIdx,
53 const Standard_Integer theAxis) const
54{
385c43e7 55 Graphic3d_BndBox4f aBndBox = myStructs.FindKey (theIdx + 1)->BoundingBox();
56
57 return (aBndBox.CornerMin()[theAxis] +
58 aBndBox.CornerMax()[theAxis]) * 0.5f;
b7cd4ba7 59}
60
61// =======================================================================
62// function : Swap
63// purpose :
64// =======================================================================
65void OpenGl_BVHClipPrimitiveSet::Swap (const Standard_Integer theIdx1,
66 const Standard_Integer theIdx2)
67{
385c43e7 68 myStructs.Swap (theIdx1 + 1, theIdx2 + 1);
b7cd4ba7 69}
70
71// =======================================================================
b7cd4ba7 72// function : Add
73// purpose :
74// =======================================================================
825aa485 75Standard_Boolean OpenGl_BVHClipPrimitiveSet::Add (const OpenGl_Structure* theStruct)
b7cd4ba7 76{
385c43e7 77 const Standard_Integer aSize = myStructs.Size();
78
79 if (myStructs.Add (theStruct) > aSize) // new structure?
80 {
81 MarkDirty();
825aa485 82
83 return Standard_True;
385c43e7 84 }
825aa485 85
86 return Standard_False;
b7cd4ba7 87}
88
89// =======================================================================
90// function : Remove
91// purpose :
92// =======================================================================
825aa485 93Standard_Boolean OpenGl_BVHClipPrimitiveSet::Remove (const OpenGl_Structure* theStruct)
b7cd4ba7 94{
385c43e7 95 const Standard_Integer anIndex = myStructs.FindIndex (theStruct);
96
97 if (anIndex != 0)
b7cd4ba7 98 {
385c43e7 99 myStructs.Swap (Size(), anIndex);
100 myStructs.RemoveLast();
101 MarkDirty();
825aa485 102
103 return Standard_True;
b7cd4ba7 104 }
825aa485 105
106 return Standard_False;
b7cd4ba7 107}
108
109// =======================================================================
110// function : Clear
111// purpose :
112// =======================================================================
113void OpenGl_BVHClipPrimitiveSet::Clear()
114{
115 myStructs.Clear();
116 MarkDirty();
117}
118
119// =======================================================================
120// function : GetStructureById
121// purpose :
122// =======================================================================
123const OpenGl_Structure* OpenGl_BVHClipPrimitiveSet::GetStructureById (Standard_Integer theId)
124{
385c43e7 125 return myStructs.FindKey (theId + 1);
b7cd4ba7 126}