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
24 //! Empty constructor.
25 Graphic3d_BoundBuffer (const Handle(NCollection_BaseAllocator)& theAlloc)
26 : NCollection_Buffer (theAlloc),
31 //! Allocates new empty array
32 bool Init (const Standard_Integer theNbBounds,
33 const Standard_Boolean theHasColors)
44 const size_t aBoundsSize = sizeof(Standard_Integer) * theNbBounds;
45 const size_t aColorsSize = theHasColors
46 ? sizeof(Graphic3d_Vec4) * theNbBounds
48 if (!Allocate (aColorsSize + aBoundsSize))
54 NbBounds = theNbBounds;
55 Colors = theHasColors ? reinterpret_cast<Graphic3d_Vec4* >(myData) : NULL;
56 Bounds = reinterpret_cast<Standard_Integer* >(theHasColors ? (myData + aColorsSize) : myData);
62 Graphic3d_Vec4* Colors; //!< pointer to facet color values
63 Standard_Integer* Bounds; //!< pointer to bounds array
64 Standard_Integer NbBounds; //!< number of bounds
68 DEFINE_STANDARD_RTTI_INLINE(Graphic3d_BoundBuffer,NCollection_Buffer) // Type definition
72 DEFINE_STANDARD_HANDLE(Graphic3d_BoundBuffer, NCollection_Buffer)
74 #endif // _Graphic3d_BoundBuffer_HeaderFile