include/opencascade/Image_CompressedFormat.hxx

0001 // Copyright (c) 2020 OPEN CASCADE SAS
0002 //
0003 // This file is part of Open CASCADE Technology software library.
0004 //
0005 // This library is free software; you can redistribute it and/or modify it under
0006 // the terms of the GNU Lesser General Public License version 2.1 as published
0007 // by the Free Software Foundation, with special exception defined in the file
0008 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0009 // distribution for complete text of the license and disclaimer of any warranty.
0010 //
0011 // Alternatively, this file may be used under the terms of Open CASCADE
0012 // commercial license or contractual agreement.
0013
0014 #ifndef _Image_CompressedFormat_HeaderFile
0015 #define _Image_CompressedFormat_HeaderFile
0016
0017 #include <Image_Format.hxx>
0018
0019 //! List of compressed pixel formats natively supported by various graphics hardware (e.g. for
0020 //! efficient decoding on-the-fly). It is defined as extension of Image_Format.
0021 enum Image_CompressedFormat
0022 {
0023   Image_CompressedFormat_UNKNOWN       = Image_Format_UNKNOWN,
0024   Image_CompressedFormat_RGB_S3TC_DXT1 = Image_Format_NB,
0025   Image_CompressedFormat_RGBA_S3TC_DXT1,
0026   Image_CompressedFormat_RGBA_S3TC_DXT3,
0027   Image_CompressedFormat_RGBA_S3TC_DXT5
0028 };
0029
0030 enum
0031 {
0032   Image_CompressedFormat_NB = Image_CompressedFormat_RGBA_S3TC_DXT5 + 1
0033 };
0034
0035 #endif // _Image_CompressedFormat_HeaderFile