0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...
[occt.git] / src / PrsMgr / PrsMgr_Presentation.cxx
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b311480e 1// Copyright (c) 1998-1999 Matra Datavision
973c2be1 2// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 3//
973c2be1 4// This file is part of Open CASCADE Technology software library.
b311480e 5//
d5f74e42 6// This library is free software; you can redistribute it and/or modify it under
7// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 8// by the Free Software Foundation, with special exception defined in the file
9// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10// distribution for complete text of the license and disclaimer of any warranty.
b311480e 11//
973c2be1 12// Alternatively, this file may be used under the terms of Open CASCADE
13// commercial license or contractual agreement.
b311480e 14
2831708b 15#include <PrsMgr_Presentation.hxx>
7fd59977 16
42cf5bc1 17#include <Graphic3d_DataStructureManager.hxx>
af324faa 18#include <Precision.hxx>
f838dac4 19#include <Prs3d_Drawer.hxx>
42cf5bc1 20#include <PrsMgr_PresentableObject.hxx>
42cf5bc1 21#include <PrsMgr_PresentationManager.hxx>
42cf5bc1 22#include <Quantity_Color.hxx>
92efcf78 23#include <Graphic3d_CView.hxx>
24
7dd7c146 25IMPLEMENT_STANDARD_RTTIEXT(PrsMgr_Presentation, Graphic3d_Structure)
7fd59977 26
3ae59031 27namespace
28{
29 enum BeforeHighlightState
30 {
31 State_Empty,
32 State_Hidden,
33 State_Visible
34 };
35
7dd7c146 36 static BeforeHighlightState StructureState (const Graphic3d_Structure* theStructure)
3ae59031 37 {
38 return !theStructure->IsDisplayed() ?
39 State_Empty : !theStructure->IsVisible() ?
40 State_Hidden : State_Visible;
41 }
42}
43
af324faa 44//=======================================================================
45//function : PrsMgr_Presentation
46//purpose :
47//=======================================================================
48PrsMgr_Presentation::PrsMgr_Presentation (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
7dd7c146 49 const Handle(PrsMgr_PresentableObject)& thePrsObject,
50 const Standard_Integer theMode)
51: Graphic3d_Structure (thePrsMgr->StructureManager()),
52 myPresentationManager (thePrsMgr),
53 myPresentableObject (thePrsObject.get()),
54 myBeforeHighlightState (State_Empty),
55 myMode (theMode),
56 myMustBeUpdated (Standard_False)
af324faa 57{
7dd7c146 58 if (thePrsObject->TypeOfPresentation3d() == PrsMgr_TOP_ProjectorDependant)
59 {
60 SetVisual (Graphic3d_TOS_COMPUTED);
61 }
62 SetOwner (myPresentableObject);
63 SetMutable (myPresentableObject->IsMutable());
af324faa 64}
65
66//=======================================================================
67//function : Display
68//purpose :
69//=======================================================================
70void PrsMgr_Presentation::Display()
71{
a1954302 72 display (Standard_False);
3ae59031 73 myBeforeHighlightState = State_Visible;
af324faa 74}
75
76//=======================================================================
a1954302 77//function : display
af324faa 78//purpose :
79//=======================================================================
a1954302 80void PrsMgr_Presentation::display (const Standard_Boolean theIsHighlight)
af324faa 81{
7dd7c146 82 if (!base_type::IsDisplayed())
af324faa 83 {
49dfdb7a 84 base_type::SetIsForHighlight (theIsHighlight); // optimization - disable frustum culling for this presentation
7dd7c146 85 base_type::Display();
af324faa 86 }
7dd7c146 87 else if (!base_type::IsVisible())
af324faa 88 {
7dd7c146 89 base_type::SetVisible (Standard_True);
af324faa 90 }
91}
92
93//=======================================================================
94//function : Erase
95//purpose :
96//=======================================================================
97void PrsMgr_Presentation::Erase()
98{
7dd7c146 99 if (IsDeleted())
af324faa 100 {
101 return;
102 }
103
104 // Erase structure from structure manager
dad7fede 105 erase();
106 clear (true);
af324faa 107 // Disconnect other structures
dad7fede 108 DisconnectAll (Graphic3d_TOC_DESCENDANT);
af324faa 109 // Clear groups and remove graphic structure
dad7fede 110 Remove();
af324faa 111}
112
113//=======================================================================
114//function : Highlight
115//purpose :
116//=======================================================================
f838dac4 117void PrsMgr_Presentation::Highlight (const Handle(Prs3d_Drawer)& theStyle)
af324faa 118{
3ae59031 119 if (!IsHighlighted())
120 {
7dd7c146 121 myBeforeHighlightState = StructureState (this);
3ae59031 122 }
123
a1954302 124 display (Standard_True);
7dd7c146 125 base_type::Highlight (theStyle);
af324faa 126}
127
128//=======================================================================
129//function : Unhighlight
130//purpose :
131//=======================================================================
7dd7c146 132void PrsMgr_Presentation::Unhighlight()
af324faa 133{
7dd7c146 134 base_type::UnHighlight();
3ae59031 135 switch (myBeforeHighlightState)
af324faa 136 {
7dd7c146 137 case State_Visible:
138 return;
139 case State_Hidden:
140 base_type::SetVisible (Standard_False);
141 break;
142 case State_Empty:
dad7fede 143 base_type::erase();
7dd7c146 144 break;
af324faa 145 }
146}
147
148//=======================================================================
149//function : Clear
150//purpose :
151//=======================================================================
7dd7c146 152void PrsMgr_Presentation::Clear (const Standard_Boolean theWithDestruction)
af324faa 153{
154 // This modification remove the contain of the structure:
155 // Consequence:
156 // 1. The memory zone of the group is reused
157 // 2. The speed for animation is constant
158 //myPresentableObject = NULL;
159 SetUpdateStatus (Standard_True);
7dd7c146 160 if (IsDeleted())
af324faa 161 {
162 return;
163 }
164
dad7fede 165 clear (theWithDestruction);
166 DisconnectAll (Graphic3d_TOC_DESCENDANT);
af324faa 167}
168
169//=======================================================================
7dd7c146 170//function : Compute
af324faa 171//purpose :
172//=======================================================================
7dd7c146 173void PrsMgr_Presentation::Compute()
af324faa 174{
7dd7c146 175 Standard_Integer aDispMode = 0;
176 for (PrsMgr_Presentations::Iterator aPrsIter (myPresentableObject->myPresentations); aPrsIter.More(); aPrsIter.Next())
177 {
178 const Handle(PrsMgr_Presentation)& aModedPresentation = aPrsIter.Value();
179 if (aModedPresentation == this)
180 {
181 aDispMode = aModedPresentation->Mode();
182 break;
183 }
184 }
af324faa 185
7dd7c146 186 myPresentableObject->Compute (myPresentationManager, this, aDispMode);
af324faa 187}
188
189//=======================================================================
af324faa 190//function : Compute
af324faa 191//purpose :
192//=======================================================================
b5163d2f 193void PrsMgr_Presentation::computeHLR (const Handle(Graphic3d_Camera)& theProjector,
194 Handle(Graphic3d_Structure)& theStructToFill)
af324faa 195{
b5163d2f 196 if (theStructToFill.IsNull())
197 {
198 theStructToFill = new Prs3d_Presentation (myPresentationManager->StructureManager());
199 }
7dd7c146 200 Handle(Graphic3d_Structure) aPrs = theStructToFill;
af324faa 201 theStructToFill->Clear();
b5163d2f 202 myPresentableObject->computeHLR (theProjector, Transformation(), aPrs);
af324faa 203}
204
205//=======================================================================
e6f550da 206//function : ~PrsMgr_Presentation
af324faa 207//purpose :
208//=======================================================================
e6f550da 209PrsMgr_Presentation::~PrsMgr_Presentation()
af324faa 210{
a69a08ee 211 Erase();
af324faa 212}
bc73b006 213
214// =======================================================================
215// function : DumpJson
216// purpose :
217// =======================================================================
218void PrsMgr_Presentation::DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth) const
219{
220 OCCT_DUMP_TRANSIENT_CLASS_BEGIN (theOStream)
221 OCCT_DUMP_BASE_CLASS (theOStream, theDepth, Graphic3d_Structure)
222
223 OCCT_DUMP_FIELD_VALUE_POINTER (theOStream, myPresentableObject)
224
225 OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myBeforeHighlightState)
226 OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myMode)
227 OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myMustBeUpdated)
228}