#ifndef IMAGESCROLLAREA_H #define IMAGESCROLLAREA_H #include #include class ImageScrollArea : public QScrollArea { Q_OBJECT QPoint m_lastPos; QLabel *m_label; QPixmap m_pixmap; float m_scale; public: explicit ImageScrollArea(QWidget *parent = 0); void setImage(const QPixmap &img); void setScale(float scale); public slots: void zoomIn(); void zoomOut(); void bestFit(); void oneToOne(); protected: void keyPressEvent(QKeyEvent *event); void keyReleaseEvent(QKeyEvent *event); void mouseMoveEvent(QMouseEvent *event); void mousePressEvent(QMouseEvent *event); void resizeEvent(QResizeEvent *event); void wheelEvent(QWheelEvent *event); }; #endif // IMAGESCROLLAREA_H