+
+///////////////////////////////////////////////////////////////////////////
+// This program is free software: you can redistribute it and/or modify //
+// it under the terms of the version 3 of the GNU General Public License //
+// as published by the Free Software Foundation. //
+// //
+// This program is distributed in the hope that it will be useful, but //
+// WITHOUT ANY WARRANTY; without even the implied warranty of //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
+// General Public License for more details. //
+// //
+// You should have received a copy of the GNU General Public License //
+// along with this program. If not, see <http://www.gnu.org/licenses/>. //
+// //
+// Written by Francois Fleuret, (C) IDIAP //
+// Contact <francois.fleuret@idiap.ch> for comments & bug reports //
+///////////////////////////////////////////////////////////////////////////
+
+#include "labelled_image_pool_subset.h"
+
+LabelledImagePoolSubset::LabelledImagePoolSubset(LabelledImagePool *mother_pool,
+ bool *used) {
+ _mother_pool = mother_pool;
+ _nb_images = 0;
+ for(int n = 0; n < _mother_pool->nb_images(); n++)
+ if(used[n]) _nb_images++;
+ _indexes = new int[_nb_images];
+ int k = 0;
+ for(int n = 0; n < _mother_pool->nb_images(); n++)
+ if(used[n]) _indexes[k++] = n;
+}
+
+LabelledImagePoolSubset::~LabelledImagePoolSubset() {
+ delete[] _indexes;
+}
+
+int LabelledImagePoolSubset::nb_images() {
+ return _nb_images;
+}
+
+LabelledImage *LabelledImagePoolSubset::grab_image(int n_image) {
+ return _mother_pool->grab_image(_indexes[n_image]);
+}
+
+void LabelledImagePoolSubset::release_image(int n_image) {
+ _mother_pool->release_image(_indexes[n_image]);
+}