#ifndef VIEWER_H #define VIEWER_H #include #include #include #include #include "image.h" using namespace cv; class Viewer : public QGLWidget { Q_OBJECT public: explicit Viewer(QWidget *parent = 0); protected: enum MouseMode { MOUSE_NONE, MOUSE_ZOOMING, MOUSE_DRAGGING } mouseMode; void paintEvent(QPaintEvent *pe); void resizeEvent(QResizeEvent *re); void wheelEvent(QWheelEvent *we); void mousePressEvent(QMouseEvent *me); void mouseMoveEvent(QMouseEvent *me); void mouseReleaseEvent(QMouseEvent *me); QPoint map(const QPoint &p) const; QPoint unmap(const QPoint &p) const; void updateTransform(); void updateWindow(const QRect &r); Image *img; QImage qimg; QRect viewport; QRect window; QPoint first, last; QTransform transform; public slots: void showImage(Image *img); void reset(); }; #endif // VIEWER_H