labelled_image_pool_file.h

   1
   2 ///////////////////////////////////////////////////////////////////////////
   3 // This program is free software: you can redistribute it and/or modify  //
   4 // it under the terms of the version 3 of the GNU General Public License //
   5 // as published by the Free Software Foundation.                         //
   6 //                                                                       //
   7 // This program is distributed in the hope that it will be useful, but   //
   8 // WITHOUT ANY WARRANTY; without even the implied warranty of            //
   9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      //
  10 // General Public License for more details.                              //
  11 //                                                                       //
  12 // You should have received a copy of the GNU General Public License     //
  13 // along with this program. If not, see <http://www.gnu.org/licenses/>.  //
  14 //                                                                       //
  15 // Written by Francois Fleuret, (C) IDIAP                                //
  16 // Contact <francois.fleuret@idiap.ch> for comments & bug reports        //
  17 ///////////////////////////////////////////////////////////////////////////
  18
  19 #ifndef LABELLED_IMAGE_POOL_FILE_H
  20 #define LABELLED_IMAGE_POOL_FILE_H
  21
  22 #include "labelled_image_pool.h"
  23 #include "labelled_image.h"
  24
  25 #include <fstream>
  26
  27 class LabelledImagePoolFile : public LabelledImagePool {
  28   int _nb_images;
  29   LabelledImage **_images;
  30   streampos *_image_stream_positions;
  31   int *_image_nb_refs;
  32   ifstream *_stream;
  33
  34 public:
  35   LabelledImagePoolFile(char *file_name);
  36   virtual ~LabelledImagePoolFile();
  37
  38   virtual int nb_images();
  39
  40   // grab_image(n) does _NOT_ build the rich structure. One has to call
  41   // compute_rich_structure() for that!
  42   virtual LabelledImage *grab_image(int n_image);
  43   virtual void release_image(int n_image);
  44 };
  45
  46 #endif