1 /* 2 Scan Tailor - Interactive post-processing tool for scanned pages. 3 Copyright (C) Joseph Artsimovich <joseph.artsimovich@gmail.com> 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation, either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef THUMBNAILCOLLECTOR_H_ 20 #define THUMBNAILCOLLECTOR_H_ 21 22 #include <memory> 23 #include "AbstractFilterDataCollector.h" 24 25 class ThumbnailPixmapCache; 26 class QGraphicsItem; 27 class QSizeF; 28 29 class ThumbnailCollector : public AbstractFilterDataCollector { 30 public: 31 virtual void processThumbnail(std::unique_ptr<QGraphicsItem>) = 0; 32 33 virtual intrusive_ptr<ThumbnailPixmapCache> thumbnailCache() = 0; 34 35 virtual QSizeF maxLogicalThumbSize() const = 0; 36 }; 37 38 39 #endif 40