0025180: Visualization - Homogeneous transformation API in TKV3d
[occt.git] / src / OpenGl / OpenGl_StructureShadow.cxx
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2bd4bfac 1// Created on: 2014-09-01
2// Created by: Ivan SAZONOV
3// Copyright (c) 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_StructureShadow.hxx>
17
c04c30b3 18#include <Graphic3d_GraphicDriver.hxx>
3e05329c 19#include <Standard_ProgramError.hxx>
2bd4bfac 20
92efcf78 21IMPLEMENT_STANDARD_RTTIEXT(OpenGl_StructureShadow,OpenGl_Structure)
22
2bd4bfac 23//=======================================================================
24//function : OpenGl_StructureShadow
25//purpose :
26//=======================================================================
27OpenGl_StructureShadow::OpenGl_StructureShadow (const Handle(Graphic3d_StructureManager)& theManager,
28 const Handle(OpenGl_Structure)& theStructure)
29: OpenGl_Structure (theManager)
30{
31 Handle(OpenGl_StructureShadow) aShadow = Handle(OpenGl_StructureShadow)::DownCast (theStructure);
32 myParent = aShadow.IsNull() ? theStructure : aShadow->myParent;
33
2bd4bfac 34 ContainsFacet = myParent->ContainsFacet;
35 IsInfinite = myParent->IsInfinite;
1f7f5a90 36 myBndBox = myParent->BoundingBox();
2bd4bfac 37
1f7f5a90 38 OpenGl_Structure::SetTransformation (myParent->Transformation());
c3282ec1 39 myInstancedStructure = const_cast<OpenGl_Structure*> (myParent->InstancedStructure());
778cd667 40 myTrsfPers = myParent->TransformPersistence();
3e05329c 41
42 // reuse instanced structure API
43 myInstancedStructure = myParent.operator->();
44}
45
46// =======================================================================
47// function : Connect
48// purpose :
49// =======================================================================
50void OpenGl_StructureShadow::Connect (Graphic3d_CStructure& )
51{
52 Standard_ProgramError::Raise ("Error! OpenGl_StructureShadow::Connect() should not be called!");
53}
54
55// =======================================================================
56// function : Disconnect
57// purpose :
58// =======================================================================
59void OpenGl_StructureShadow::Disconnect (Graphic3d_CStructure& )
60{
61 Standard_ProgramError::Raise ("Error! OpenGl_StructureShadow::Disconnect() should not be called!");
2bd4bfac 62}