File indexing completed on 2024-05-05 04:49:27
0001 /**************************************************************************************** 0002 * Copyright (c) 2005 Eyal Lotem <eyal.lotem@gmail.com> * 0003 * Copyright (c) 2007 Seb Ruiz <ruiz@kde.org> * 0004 * Copyright (c) 2009 Pascal Pollet <pascal@bongosoft.de> * 0005 * * 0006 * This program is free software; you can redistribute it and/or modify it under * 0007 * the terms of the GNU General Public License as published by the Free Software * 0008 * Foundation; either version 2 of the License, or (at your option) any later * 0009 * version. * 0010 * * 0011 * This program is distributed in the hope that it will be useful, but WITHOUT ANY * 0012 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A * 0013 * PARTICULAR PURPOSE. See the GNU General Public License for more details. * 0014 * * 0015 * You should have received a copy of the GNU General Public License along with * 0016 * this program. If not, see <http://www.gnu.org/licenses/>. * 0017 ****************************************************************************************/ 0018 0019 #ifndef PIXMAPVIEWER_H 0020 #define PIXMAPVIEWER_H 0021 0022 #include <QScrollArea> 0023 #include <QWidget> 0024 #include <QString> 0025 #include <QPixmap> 0026 0027 class QPixmap; 0028 0029 class PixmapViewer : public QWidget 0030 { 0031 Q_OBJECT 0032 Q_PROPERTY( qreal zoomFactor READ zoomFactor WRITE setZoomFactor NOTIFY zoomFactorChanged ) 0033 0034 public: 0035 explicit PixmapViewer( QWidget *parent, const QPixmap &pixmap, int screenNumber ); 0036 ~PixmapViewer() override; 0037 0038 qreal zoomFactor() const; 0039 0040 public Q_SLOTS: 0041 void setZoomFactor( qreal f ); 0042 0043 Q_SIGNALS: 0044 void zoomFactorChanged( qreal ); 0045 0046 protected: 0047 void paintEvent( QPaintEvent *event ) override; 0048 void wheelEvent( QWheelEvent *event ) override; 0049 0050 private: 0051 const QPixmap m_pixmap; 0052 qreal m_zoomFactor; 0053 }; 0054 0055 #endif