nevrax.org : docs

00001 
00007 /* Copyright, 2000 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #include "std3d.h"
00027 
00028 #include "3d/texture_mem.h"
00029 #include "nel/misc/mem_stream.h"
00030 
00031 #include <memory>
00032 
00033 
00034 namespace NL3D 
00035 {
00036 
00037 
00038 /*==================================================================*\
00039                                                         CTEXTUREMEM
00040 \*==================================================================*/
00041 
00042 /*------------------------------------------------------------------*\
00043                                                         doGenerate()
00044 \*------------------------------------------------------------------*/
00045 void CTextureMem::doGenerate()
00046 {       
00047         if (_Data)
00048         {
00049                 if (_IsFile)
00050                 {
00051                         NLMISC::CMemStream m (true);
00052                         m.fill (_Data, _Length);
00053                         load (m);
00054                 }
00055                 else
00056                 {
00057                         resize(_TexWidth, _TexHeight, _TexType);                        
00058                         ::memcpy(&getPixels(0)[0], _Data, _Length);
00059                         buildMipMaps();
00060                 }
00061         }
00062         else
00063         {
00064                 makeDummy();
00065         }
00066 }
00067 
00068 
00069 static NLMISC::CRGBA WhitePix(255, 255, 255, 255); // the texture datas ... :)
00070 
00072 ITexture *CTextureMem::Create1x1WhiteTex()
00073 {
00074         std::auto_ptr<CTextureMem> tex(new CTextureMem((uint8 *) &WhitePix,
00075                                                                                                    sizeof(WhitePix),
00076                                                                                                    false, /* dont delete */
00077                                                                                                    false, /* not a file */
00078                                                                                                    1, 1)
00079                                                                   );
00080         tex->setShareName("#WhitePix1x1");      
00081         return tex.release();
00082 }
00083 
00085 void    CTextureMem::setAllowDegradation(bool allow)
00086 {
00087         _AllowDegradation= allow;
00088 }
00089 
00090 
00091 } // NL3D
texture_mem.cpp
