File indexing completed on 2024-04-28 15:51:45 

0001 /*
0002     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0003 
0004 */
0005 
0006 #ifndef MAGNIFIERVIEW_H
0007 #define MAGNIFIERVIEW_H
0008 
0009 #include "core/observer.h"
0010 #include "core/page.h"
0011 #include <QWidget>
0012 
0013 class MagnifierView : public QWidget, public Okular::DocumentObserver
0014 {
0015     Q_OBJECT
0016 
0017 public:
0018     explicit MagnifierView(Okular::Document *document, QWidget *parent = nullptr);
0019     ~MagnifierView() override;
0020 
0021     void notifySetup(const QVector<Okular::Page *> &pages, int setupFlags) override;
0022     void notifyPageChanged(int page, int flags) override;
0023     void notifyCurrentPageChanged(int previous, int current) override;
0024     bool canUnloadPixmap(int page) const override;
0025 
0026     void updateView(const Okular::NormalizedPoint &p, const Okular::Page *page);
0027     void move(int x, int y);
0028 
0029 protected:
0030     void paintEvent(QPaintEvent *e) override;
0031 
0032 private:
0033     Okular::NormalizedRect normalizedView() const;
0034     void requestPixmap();
0035     void drawTicks(QPainter *p);
0036 
0037 private:
0038     Okular::Document *m_document;
0039     Okular::NormalizedPoint m_viewpoint;
0040     const Okular::Page *m_page;
0041     int m_current;
0042     QVector<Okular::Page *> m_pages;
0043 };
0044 
0045 #endif // MAGNIFIERVIEW_H