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texture.h

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00001 /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-
00002 
00003    this file is part of rcssserver3D
00004    Fri May 9 2003
00005    Copyright (C) 2002,2003 Koblenz University
00006    Copyright (C) 2003 RoboCup Soccer Server 3D Maintenance Group
00007    $Id: texture.h,v 1.3 2003/11/14 14:05:52 fruit Exp $
00008 
00009    This program is free software; you can redistribute it and/or modify
00010    it under the terms of the GNU General Public License as published by
00011    the Free Software Foundation; version 2 of the License.
00012 
00013    This program is distributed in the hope that it will be useful,
00014    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016    GNU General Public License for more details.
00017 
00018    You should have received a copy of the GNU General Public License
00019    along with this program; if not, write to the Free Software
00020    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00021 */
00022 #ifndef KEROSIN_TEXTURE_H
00023 #define KEROSIN_TEXTURE_H
00024 
00025 #include <boost/weak_ptr.hpp>
00026 #include <boost/shared_ptr.hpp>
00027 
00028 namespace kerosin
00029 {
00030 
00031 class TextureServer;
00032 
00033 /*      \class Texture
00034 
00035         This is the base class of all OpenGL based textures. In OpenGL a texture
00036         is represented by a so-called texture ID. This is a simple handle. The
00037         basic operations for creating/deleting this handle are contained in this
00038         class.
00039 
00040         Usually, textures are created via the texture server.
00041 
00042         NOTE:
00043 
00044         HISTORY:
00045                 14.10.02 - MK
00046                         - Initial version
00047 
00048         TODO:
00049                 - support mipmap building (currently done only when SGIS_generate_mipmap is supported)
00050 
00051         TOFIX:
00052 */
00053 class Texture
00054 {
00055     //
00056     // functions
00057     //
00058 public:
00059     Texture(const boost::shared_ptr<TextureServer> &textureServer);
00060     virtual ~Texture();
00061 
00063     void Reset();
00064 
00066     void Acquire();
00067 
00069     virtual void Bind() const = 0;
00071     virtual void Enable() const = 0;
00073     virtual void Disable() const = 0;
00074     virtual void Clamp() const = 0;
00075     virtual void ClampToEdge() const = 0;
00076     virtual void Repeat() const = 0;
00077 
00078     // accessors
00079     unsigned int GetWidth() const;
00080     unsigned int GetHeight() const;
00081 
00082     boost::shared_ptr<TextureServer>    GetTextureServer() const;
00083     //
00084     // members
00085     //
00086 protected:
00087     unsigned int                                        mTexID;                         // OpenGL texture handle (initialized to 0)
00088     unsigned int                                        mWidth;                         // width of texture
00089     unsigned int                                        mHeight;                        // height of texture
00090 private:
00091     boost::weak_ptr<TextureServer>      mTextureServer;         // texture server, which created this object
00092 };
00093 
00094 }
00095 
00096 #endif //KEROSIN_TEXTURE_H

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