1 /* 2 * This file is part of Converseen, an open-source batch image converter 3 * and resizer. 4 * 5 * (C) Francesco Mondello 2009 - 2021 6 * 7 * This program is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * 20 * 21 * 22 */ 23 24 #ifndef CACHINGSYSTEM_H 25 #define CACHINGSYSTEM_H 26 27 #include <QCache> 28 #include <QImage> 29 30 class CachedImageObject 31 { 32 public: 33 QImage thumbnail; 34 QString id; 35 int orig_w; 36 int orig_h; 37 double orig_dens_x; 38 double orig_dens_y; 39 }; 40 41 class CachingSystem 42 { 43 public: 44 static void init(); 45 static void insert(QString id, QImage thumbnail, int orig_w, int orig_h, double orig_dens_x, double orig_dens_y); 46 static bool find(QString key); 47 static void clear(); 48 static void remove(QString key); 49 50 static QImage thumbnail(); 51 static int originalWidth(); 52 static int originalHeight(); 53 static double originalDensityX(); 54 static double originalDensityY(); 55 56 static QCache<QString, CachedImageObject> *imageCache; 57 private: 58 static CachedImageObject *currObj; 59 static int m_orig_w; 60 }; 61 62 #endif // CACHINGSYSTEM_H 63