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OgreTGACodec.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004 (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright © 2000-2002 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef _TGACodec_H__
00026 #define _TGACodec_H__
00027 
00028 #include "OgreILImageCodec.h"
00029 
00030 namespace Ogre {
00031 
00034     class _OgreExport TGACodec : public ILImageCodec
00035     {
00036     protected:
00037 
00038     // We're mapping onto raw file data, so ensure members are packed with no gaps 
00039     //    by using uchars all the way (more portable than #pragma pack
00040     typedef struct {
00041         uchar id_length;
00042         uchar color_map_type;
00043         uchar image_type;
00044         uchar first_entry_index[2];
00045         uchar color_map_length[2];
00046         uchar color_map_entry_size;
00047         uchar x_origin[2];
00048         uchar y_origin[2];
00049         uchar image_width[2];
00050         uchar image_height[2];
00051         uchar pixel_depth;
00052         uchar image_descriptor;
00053     } TgaHeader;
00054 
00055     public:
00056         void code( const DataChunk& input, DataChunk* output, ... ) const;
00057         CodecData * decode( const DataChunk& input, DataChunk* output, ... ) const;
00058 
00059         String getType() const { return "tga"; }
00060 
00061         unsigned int getILType(void) const;
00062     };
00063 
00064 }
00065 
00066 #endif

Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:22:53 2004