CuteLogger
Fast and simple logging solution for Qt based applications
thumbnailprovider.h
1 /*
2  * Copyright (c) 2013-2016 Meltytech, LLC
3  * Author: Dan Dennedy <dan@dennedy.org>
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 THUMBNAILPROVIDER_H
20 #define THUMBNAILPROVIDER_H
21 
22 #include <QQuickImageProvider>
23 #include <MltProducer.h>
24 #include <MltProfile.h>
25 
26 class ThumbnailProvider : public QQuickImageProvider
27 {
28 public:
29  explicit ThumbnailProvider();
30  QImage requestImage(const QString &id, QSize *size, const QSize &requestedSize);
31 
32 private:
33  QString cacheKey(Mlt::Properties& properties, const QString& service,
34  const QString& resource, const QString& hash, int frameNumber);
35  QImage makeThumbnail(Mlt::Producer&, int frameNumber, const QSize& requestedSize);
36  Mlt::Profile m_profile;
37 };
38 
39 #endif // THUMBNAILPROVIDER_H