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 <InterfaceGraphic_Graphic3d.hxx>
20 #include <Graphic3d_Group.hxx>
21 #include <Graphic3d_Structure.hxx>
23 #include <NCollection_List.hxx>
24 #include <OpenGl_AspectLine.hxx>
25 #include <OpenGl_AspectFace.hxx>
26 #include <OpenGl_AspectMarker.hxx>
27 #include <OpenGl_AspectText.hxx>
28 #include <OpenGl_Element.hxx>
31 class OpenGl_Structure;
33 struct OpenGl_ElementNode
36 OpenGl_ElementNode* next;
40 //! Implementation of low-level graphic group.
41 class OpenGl_Group : public Graphic3d_Group
45 //! Create empty group.
46 //! Will throw exception if not created by OpenGl_Structure.
47 Standard_EXPORT OpenGl_Group (const Handle(Graphic3d_Structure)& theStruct);
49 Standard_EXPORT virtual void Clear (const Standard_Boolean theToUpdateStructureMgr);
51 //! Update line aspect
52 Standard_EXPORT virtual void UpdateAspectLine (const Standard_Boolean theIsGlobal);
54 //! Update fill aspect
55 Standard_EXPORT virtual void UpdateAspectFace (const Standard_Boolean theIsGlobal);
57 //! Update marker aspect
58 Standard_EXPORT virtual void UpdateAspectMarker (const Standard_Boolean theIsGlobal);
60 //! Update text aspect
61 Standard_EXPORT virtual void UpdateAspectText (const Standard_Boolean theIsGlobal);
63 //! Add primitive array element
64 Standard_EXPORT virtual void AddPrimitiveArray (const Graphic3d_TypeOfPrimitiveArray theType,
65 const Handle(Graphic3d_IndexBuffer)& theIndices,
66 const Handle(Graphic3d_Buffer)& theAttribs,
67 const Handle(Graphic3d_BoundBuffer)& theBounds,
68 const Standard_Boolean theToEvalMinMax);
71 Standard_EXPORT virtual void Text (const Standard_CString theTextUtf,
72 const Graphic3d_Vertex& thePoint,
73 const Standard_Real theHeight,
74 const Quantity_PlaneAngle theAngle,
75 const Graphic3d_TextPath theTp,
76 const Graphic3d_HorizontalTextAlignment theHta,
77 const Graphic3d_VerticalTextAlignment theVta,
78 const Standard_Boolean theToEvalMinMax);
80 //! Add text element in 3D space.
81 Standard_EXPORT virtual void Text (const Standard_CString theTextUtf,
82 const gp_Ax2& theOrientation,
83 const Standard_Real theHeight,
84 const Quantity_PlaneAngle theAngle,
85 const Graphic3d_TextPath theTp,
86 const Graphic3d_HorizontalTextAlignment theHTA,
87 const Graphic3d_VerticalTextAlignment theVTA,
88 const Standard_Boolean theToEvalMinMax) Standard_OVERRIDE;
90 //! Add flipping element
91 Standard_EXPORT virtual void SetFlippingOptions (const Standard_Boolean theIsEnabled,
92 const gp_Ax2& theRefPlane);
94 //! Add stencil test element
95 Standard_EXPORT virtual void SetStencilTestOptions (const Standard_Boolean theIsEnabled);
99 OpenGl_Structure* GlStruct() const { return (OpenGl_Structure* )(myStructure->CStructure().operator->()); }
101 Standard_EXPORT void AddElement (OpenGl_Element* theElem);
103 Standard_EXPORT virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
104 Standard_EXPORT virtual void Release (const Handle(OpenGl_Context)& theGlCtx);
106 //! Returns first OpenGL element node of the group.
107 const OpenGl_ElementNode* FirstNode() const { return myFirst; }
109 //! Returns OpenGL face aspect.
110 const OpenGl_AspectFace* AspectFace() const { return myAspectFace; }
112 //! Is the group ray-tracable (contains ray-tracable elements)?
113 Standard_Boolean IsRaytracable() const { return myIsRaytracable; }
115 //! Accessor to line aspect (to be removed)
116 CALL_DEF_CONTEXTLINE& ChangeContextLine() { return ContextLine; }
120 Standard_EXPORT virtual ~OpenGl_Group();
124 OpenGl_AspectLine* myAspectLine;
125 OpenGl_AspectFace* myAspectFace;
126 OpenGl_AspectMarker* myAspectMarker;
127 OpenGl_AspectText* myAspectText;
129 OpenGl_ElementNode* myFirst;
130 OpenGl_ElementNode* myLast;
132 Standard_Boolean myIsRaytracable;
136 DEFINE_STANDARD_RTTI(OpenGl_Group, Graphic3d_Group) // Type definition
140 DEFINE_STANDARD_HANDLE(OpenGl_Group, Graphic3d_Group)
142 #endif // _OpenGl_Group_Header