1 /*
2 Copyright (C) 2001-2006, William Joseph.
3 All Rights Reserved.
4 
5 This file is part of GtkRadiant.
6 
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11 
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20 */
21 
22 #include "dds.h"
23 
24 #include <stdlib.h>
25 
26 #include "ifilesystem.h"
27 #include "iarchive.h"
28 #include "idatastream.h"
29 
30 #include "ddslib.h"
31 #include "imagelib.h"
32 
LoadDDSBuff(const byte * buffer)33 Image* LoadDDSBuff(const byte* buffer)
34 {
35   int width, height;
36   ddsPF_t pixelFormat;
37   if(DDSGetInfo(reinterpret_cast<ddsBuffer_t*>(const_cast<byte*>(buffer)), &width, &height, &pixelFormat) == -1)
38   {
39     return 0;
40   }
41 
42   RGBAImage* image = new RGBAImage(width, height);
43 
44   if(DDSDecompress(reinterpret_cast<ddsBuffer_t*>(const_cast<byte*>(buffer)), image->getRGBAPixels()) == -1)
45   {
46     image->release();
47     return 0;
48   }
49   return image;
50 }
51 
LoadDDS(ArchiveFile & file)52 Image* LoadDDS(ArchiveFile& file)
53 {
54   ScopedArchiveBuffer buffer(file);
55   return LoadDDSBuff(buffer.buffer);
56 }
57