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