1 // Created on: 2011-08-01
2 // Created by: Sergey ZERCHANINOV
3 // Copyright (c) 2011-2014 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 #ifndef _OpenGl_Group_Header
17 #define _OpenGl_Group_Header
19 #include <Graphic3d_Group.hxx>
20 #include <Graphic3d_Structure.hxx>
22 #include <NCollection_List.hxx>
23 #include <OpenGl_Aspects.hxx>
24 #include <OpenGl_Element.hxx>
27 class OpenGl_Structure;
29 struct OpenGl_ElementNode
32 OpenGl_ElementNode* next;
36 //! Implementation of low-level graphic group.
37 class OpenGl_Group : public Graphic3d_Group
41 //! Create empty group.
42 //! Will throw exception if not created by OpenGl_Structure.
43 Standard_EXPORT OpenGl_Group (const Handle(Graphic3d_Structure)& theStruct);
45 Standard_EXPORT virtual void Clear (const Standard_Boolean theToUpdateStructureMgr) Standard_OVERRIDE;
47 //! Return line aspect.
48 virtual Handle(Graphic3d_Aspects) Aspects() const Standard_OVERRIDE
50 return myAspects != NULL
52 : Handle(Graphic3d_Aspects)();
56 Standard_EXPORT virtual void SetGroupPrimitivesAspect (const Handle(Graphic3d_Aspects)& theAspect) Standard_OVERRIDE;
58 //! Append aspect as an element.
59 Standard_EXPORT virtual void SetPrimitivesAspect (const Handle(Graphic3d_Aspects)& theAspect) Standard_OVERRIDE;
61 //! Update presentation aspects after their modification.
62 Standard_EXPORT virtual void SynchronizeAspects() Standard_OVERRIDE;
64 //! Replace aspects specified in the replacement map.
65 Standard_EXPORT virtual void ReplaceAspects (const Graphic3d_MapOfAspectsToAspects& theMap) Standard_OVERRIDE;
67 //! Add primitive array element
68 Standard_EXPORT virtual void AddPrimitiveArray (const Graphic3d_TypeOfPrimitiveArray theType,
69 const Handle(Graphic3d_IndexBuffer)& theIndices,
70 const Handle(Graphic3d_Buffer)& theAttribs,
71 const Handle(Graphic3d_BoundBuffer)& theBounds,
72 const Standard_Boolean theToEvalMinMax) Standard_OVERRIDE;
74 //! Adds a text for display
75 Standard_EXPORT virtual void AddText (const Handle(Graphic3d_Text)& theTextParams,
76 const Standard_Boolean theToEvalMinMax) Standard_OVERRIDE;
77 //! Add flipping element
78 Standard_EXPORT virtual void SetFlippingOptions (const Standard_Boolean theIsEnabled,
79 const gp_Ax2& theRefPlane) Standard_OVERRIDE;
81 //! Add stencil test element
82 Standard_EXPORT virtual void SetStencilTestOptions (const Standard_Boolean theIsEnabled) Standard_OVERRIDE;
86 OpenGl_Structure* GlStruct() const { return (OpenGl_Structure* )(myStructure->CStructure().operator->()); }
88 Standard_EXPORT void AddElement (OpenGl_Element* theElem);
90 Standard_EXPORT virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
91 Standard_EXPORT virtual void Release (const Handle(OpenGl_Context)& theGlCtx);
93 //! Returns first OpenGL element node of the group.
94 const OpenGl_ElementNode* FirstNode() const { return myFirst; }
96 //! Returns OpenGL aspect.
97 const OpenGl_Aspects* GlAspects() const { return myAspects; }
99 //! Is the group ray-tracable (contains ray-tracable elements)?
100 Standard_Boolean IsRaytracable() const { return myIsRaytracable; }
102 //! Dumps the content of me into the stream
103 Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
107 Standard_EXPORT virtual ~OpenGl_Group();
111 OpenGl_Aspects* myAspects;
112 OpenGl_ElementNode* myFirst;
113 OpenGl_ElementNode* myLast;
114 Standard_Boolean myIsRaytracable;
118 DEFINE_STANDARD_RTTIEXT(OpenGl_Group,Graphic3d_Group) // Type definition
122 DEFINE_STANDARD_HANDLE(OpenGl_Group, Graphic3d_Group)
124 #endif // _OpenGl_Group_Header