1 // Copyright (c) 2014 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
14 #ifndef _Graphic3d_BoundBuffer_HeaderFile
15 #define _Graphic3d_BoundBuffer_HeaderFile
17 #include <Graphic3d_Buffer.hxx>
20 class Graphic3d_BoundBuffer : public NCollection_Buffer
22 DEFINE_STANDARD_RTTIEXT(Graphic3d_BoundBuffer, NCollection_Buffer)
25 //! Empty constructor.
26 Graphic3d_BoundBuffer (const Handle(NCollection_BaseAllocator)& theAlloc)
27 : NCollection_Buffer (theAlloc),
33 //! Allocates new empty array
34 bool Init (const Standard_Integer theNbBounds,
35 const Standard_Boolean theHasColors)
47 const size_t aBoundsSize = sizeof(Standard_Integer) * theNbBounds;
48 const size_t aColorsSize = theHasColors
49 ? sizeof(Graphic3d_Vec4) * theNbBounds
51 if (!Allocate (aColorsSize + aBoundsSize))
57 NbBounds = theNbBounds;
58 NbMaxBounds = theNbBounds;
59 Colors = theHasColors ? reinterpret_cast<Graphic3d_Vec4* >(myData) : NULL;
60 Bounds = reinterpret_cast<Standard_Integer* >(theHasColors ? (myData + aColorsSize) : myData);
66 Graphic3d_Vec4* Colors; //!< pointer to facet color values
67 Standard_Integer* Bounds; //!< pointer to bounds array
68 Standard_Integer NbBounds; //!< number of bounds
69 Standard_Integer NbMaxBounds; //!< number of allocated bounds
73 DEFINE_STANDARD_HANDLE(Graphic3d_BoundBuffer, NCollection_Buffer)
75 #endif // _Graphic3d_BoundBuffer_HeaderFile