Src/ImageScrollArea.h
00001 // ImagScrollArea.h 00002 // 00003 // Copyright 2010 Jérémy Laumon <jeremy.laumon@gmail.com> 00004 // 00005 // This program is free software; you can redistribute it and/or modify 00006 // it under the terms of the GNU General Public License as published by 00007 // the Free Software Foundation; either version 2 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program; if not, write to the Free Software 00017 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 00018 // MA 02110-1301, USA. 00019 00020 00021 #ifndef IMAGESCROLLAREA_H 00022 #define IMAGESCROLLAREA_H 00023 00024 #include <QtGui> 00025 00026 class ImageScrollArea : public QScrollArea 00027 { 00028 Q_OBJECT 00029 00030 public: 00031 ImageScrollArea(QWidget *parent=0); 00032 QLabel* image(); 00033 void scaleImage(double factor, bool relative=true); 00034 00035 signals: 00036 void scaleChanged(double scaleFactor); 00037 00038 protected: 00039 virtual void wheelEvent(QWheelEvent *event); 00040 00041 private: 00042 void adjustScrollBar(QScrollBar *scrollBar, double factor, bool relative); 00043 00044 QLabel *imageLabel; 00045 double scaleFactor; 00046 }; 00047 00048 #endif
