0024751: Performance improvements in the Edge/Edge intersection algorithm
[occt.git] / src / Graphic3d / Graphic3d_Group_1.cxx
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b311480e 1// Created by: NW,JPB,CAL
2// Copyright (c) 1991-1999 Matra Datavision
973c2be1 3// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 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
973c2be1 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.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
7fd59977 15
7fd59977 16//-Version
17
18//-Design Declaration des variables specifiques aux groupes
19// de primitives
20
21//-Warning Un groupe est defini dans une structure
22// Il s'agit de la plus petite entite editable
23
24//-References
25
26//-Language C++ 2.0
27
28//-Declarations
29
30// for the class
31#include <Graphic3d_Group.jxx>
32#include <Graphic3d_Group.pxx>
33
34//-Methods, in order
35
6c8126b5
A
36void Graphic3d_Group::Clear (Standard_Boolean theUpdateStructureMgr)
37{
38 if (IsDeleted ()) return;
39
40 MyCGroup.ContextLine.IsSet = 0,
41 MyCGroup.ContextText.IsSet = 0,
42 MyCGroup.ContextMarker.IsSet = 0,
43 MyCGroup.ContextFillArea.IsSet = 0;
44
45 MyCGroup.ContextLine.IsDef = 0,
46 MyCGroup.ContextText.IsDef = 0,
47 MyCGroup.ContextMarker.IsDef = 0,
48 MyCGroup.ContextFillArea.IsDef = 0;
49
50 MyCGroup.PickId.IsDef = 0,
51 MyCGroup.PickId.IsSet = 0,
52 MyCGroup.PickId.Value = 0;
53
54 MyBounds.XMin = ShortRealLast (),
55 MyBounds.YMin = ShortRealLast (),
56 MyBounds.ZMin = ShortRealLast ();
57
58 MyBounds.XMax = ShortRealFirst (),
59 MyBounds.YMax = ShortRealFirst (),
60 MyBounds.ZMax = ShortRealFirst ();
61
62 if (MyContainsFacet) MyStructure->GroupsWithFacet (-1);
63 MyContainsFacet = Standard_False,
64 MyIsEmpty = Standard_True;
65
66 MyGraphicDriver->ClearGroup (MyCGroup);
67
68 // clear method could be used on Graphic3d_Structure destruction,
69 // and its structure manager could be already destroyed, in that
70 // case we don't need to update it;
71 if (theUpdateStructureMgr)
72 Update ();
7fd59977 73}
74
b8ddfc2f 75void Graphic3d_Group::Destroy ()
76{
98178592
A
77 // tell graphics driver to clear internal resources of the group
78 if (!IsEmpty () && !MyGraphicDriver.IsNull ())
79 MyGraphicDriver->ClearGroup (MyCGroup);
80
7fd59977 81}
82
b8ddfc2f 83void Graphic3d_Group::Remove ()
84{
7fd59977 85 if (IsDeleted ()) return;
86
7fd59977 87 MyGraphicDriver->RemoveGroup (MyCGroup);
88 MyStructure->Remove (this);
b8ddfc2f 89 MyCGroup.ptrGroup = NULL;
90
7fd59977 91 Update ();
92
93 MyBounds.XMin = ShortRealLast (),
94 MyBounds.YMin = ShortRealLast (),
95 MyBounds.ZMin = ShortRealLast ();
96
97 MyBounds.XMax = ShortRealFirst (),
98 MyBounds.YMax = ShortRealFirst (),
99 MyBounds.ZMax = ShortRealFirst ();
100
101 if (MyContainsFacet) MyStructure->GroupsWithFacet (-1);
102 MyContainsFacet = Standard_False,
103 MyIsEmpty = Standard_True;
7fd59977 104}