4 * This file is part of CameraPlus.
6 * Copyright (C) 2012-2013 Mohammed Sameer <msameer@foolab.org>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef QT_CAM_VIEWFINDER_RENDERER_H
24 #define QT_CAM_VIEWFINDER_RENDERER_H
35 class QtCamViewfinderRenderer : public QObject {
39 static QtCamViewfinderRenderer *create(QtCamConfig *config, QObject *parent = 0);
40 static int registerRenderer(const QString& key, const QMetaObject& meta);
42 virtual ~QtCamViewfinderRenderer();
44 virtual void paint(QPainter *painter) = 0;
45 virtual void resize(const QSizeF& size) = 0;
46 virtual void reset() = 0;
47 virtual GstElement *sinkElement() = 0;
49 virtual QRectF renderArea() = 0;
50 virtual QSizeF videoResolution() = 0;
53 QtCamViewfinderRenderer(QtCamConfig *config, QObject *parent = 0);
56 void updateRequested();
57 void renderAreaChanged();
58 void videoResolutionChanged();
61 #define QT_CAM_VIEWFINDER_RENDERER(key, klass) \
62 static int klass_seq = QtCamViewfinderRenderer::registerRenderer(key, klass::staticMetaObject);
64 #endif /* QT_CAM_VIEWFINDER_RENDERER_H */