iipsrv  0.9.9
DSOImage.h
00001 
00002 /*  IIP fcgi server module
00003 
00004     Copyright (C) 2000-2003 Ruven Pillay.
00005 
00006     This program is free software; you can redistribute it and/or modify
00007     it under the terms of the GNU General Public License as published by
00008     the Free Software Foundation; either version 2 of the License, or
00009     (at your option) any later version.
00010 
00011     This program is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014     GNU General Public License for more details.
00015 
00016     You should have received a copy of the GNU General Public License
00017     along with this program; if not, write to the Free Software
00018     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019 */
00020 
00021 
00022 #ifdef ENABLE_DL
00023 
00024 #ifndef _DSOIMAGE_H
00025 #define _DSOIMAGE_H
00026 
00027 
00028 #include <string>
00029 #include "IIPImage.h"
00030 
00031 
00033 
00034 
00035 class DSOImage : public IIPImage{
00036 
00037  private:
00038 
00040   std::string modulePath;
00041 
00043   std::string description;
00044 
00046   void *libHandle;
00047 
00049   void loadLibrary() throw (std::string);
00050 
00052   void unloadLibrary() throw (std::string);
00053 
00055   std::string getError();
00056 
00057 
00058  public:
00059 
00061   DSOImage() : IIPImage() { 
00062     libHandle = NULL;
00063     tile_width = 0; tile_height = 0;
00064     numResolutions = 0;
00065   };
00066 
00068 
00070   DSOImage( const std::string& s ) : IIPImage( s ) { 
00071     libHandle = NULL;
00072     tile_width = 0; tile_height = 0;
00073     numResolutions = 0;
00074   };
00075 
00077 
00079   DSOImage( const IIPImage& image ) : IIPImage( image ) { 
00080     libHandle = NULL;
00081     tile_width = 0; tile_height = 0;
00082     numResolutions = 0;
00083   };
00084 
00086   ~DSOImage();
00087 
00088 
00090   const std::string& getDescription() { return description; };
00091 
00093 
00095   void Load( const std::string& p ) throw (std::string);
00096 
00098   void openImage() throw (std::string);
00099 
00101   void closeImage() throw (std::string);
00102 
00103 
00105 
00110   RawTile getTile( int x, int y, int r, int t ) throw (std::string);
00111 
00112 
00113 };
00114 
00115 
00116 #endif
00117 
00118 #endif