mirror of
https://invent.kde.org/graphics/okular
synced 2024-08-24 18:35:37 +00:00
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef MAGNIFIERVIEW_H
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#define MAGNIFIERVIEW_H
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#include <QWidget>
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#include "core/observer.h"
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#include "core/page.h"
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class MagnifierView : public QWidget, public Okular::DocumentObserver
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{
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Q_OBJECT
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public:
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explicit MagnifierView( Okular::Document *document, QWidget *parent = nullptr );
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~MagnifierView();
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void notifySetup( const QVector< Okular::Page * > & pages, int setupFlags ) override;
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void notifyPageChanged( int page, int flags ) override;
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void notifyCurrentPageChanged( int previous, int current ) override;
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bool canUnloadPixmap( int page ) const override;
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void updateView( const Okular::NormalizedPoint &p, const Okular::Page * page );
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void move( int x, int y );
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protected:
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void paintEvent( QPaintEvent *e ) override;
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private:
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Okular::NormalizedRect normalizedView() const;
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void requestPixmap();
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void drawTicks( QPainter *p );
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private:
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Okular::Document *m_document;
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Okular::NormalizedPoint m_viewpoint;
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const Okular::Page *m_page;
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int m_current;
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QVector<Okular::Page *> m_pages;
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};
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#endif // MAGNIFIERVIEW_H
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