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https://invent.kde.org/graphics/okular
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59 lines
1.9 KiB
C++
59 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 "core/observer.h"
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#include "core/page.h"
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#include <QWidget>
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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() override;
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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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