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[folded-ctf.git] / labelled_image_pool_subset.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                                           //
16 // (C) Idiap Research Institute                                          //
17 //                                                                       //
18 // Contact <francois.fleuret@idiap.ch> for comments & bug reports        //
19 ///////////////////////////////////////////////////////////////////////////
20
21 /*
22
23   This is a LabelledImagePool which corresponds to a subset of another
24   pool. We use that to extract the training, validation and test pool
25   from the global pool. It is mainly necessary to have such a class to
26   avoid unnecessary memory usage.
27
28  */
29
30 #ifndef LABELLED_IMAGE_POOL_SUBSET_H
31 #define LABELLED_IMAGE_POOL_SUBSET_H
32
33 #include "labelled_image_pool.h"
34
35 class LabelledImagePoolSubset : public LabelledImagePool {
36   LabelledImagePool *_mother_pool;
37   int _nb_images;
38   int *_indexes;
39 public:
40   LabelledImagePoolSubset(LabelledImagePool *mother_pool, bool *used);
41   virtual ~LabelledImagePoolSubset();
42   virtual int nb_images();
43   virtual LabelledImage *grab_image(int n_image);
44   virtual void release_image(int n_image);
45 };
46
47 #endif