141 líneas
3.1 KiB
C++
141 líneas
3.1 KiB
C++
/*
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Copyright 2013 Adam Reichold
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Copyright 2013 Alexander Volkov
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This file is part of qpdfview.
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The implementation is based on KDjVu by Pino Toscano.
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qpdfview is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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qpdfview 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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You should have received a copy of the GNU General Public License
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along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef DJVUMODEL_H
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#define DJVUMODEL_H
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#include <QHash>
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#include <QMutex>
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typedef struct ddjvu_context_s ddjvu_context_t;
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typedef struct ddjvu_format_s ddjvu_format_t;
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typedef struct ddjvu_document_s ddjvu_document_t;
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typedef struct ddjvu_pageinfo_s ddjvu_pageinfo_t;
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#include "model.h"
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namespace qpdfview
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{
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class DjVuPlugin;
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namespace Model
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{
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class DjVuPage : public Page
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{
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friend class DjVuDocument;
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public:
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~DjVuPage();
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QSizeF size() const;
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QImage render(qreal horizontalResolution, qreal verticalResolution, Rotation rotation, QRect boundingRect) const;
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QString label() const;
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QList< Link* > links() const;
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QString text(const QRectF& rect) const;
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QList< QRectF > search(const QString& text, bool matchCase, bool wholeWords) const;
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private:
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Q_DISABLE_COPY(DjVuPage)
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DjVuPage(const class DjVuDocument* parent, int index, const ddjvu_pageinfo_t& pageinfo);
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const class DjVuDocument* m_parent;
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int m_index;
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QSizeF m_size;
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int m_resolution;
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};
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class DjVuDocument : public Document
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{
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friend class DjVuPage;
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friend class qpdfview::DjVuPlugin;
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public:
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~DjVuDocument();
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int numberOfPages() const;
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Page* page(int index) const;
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QStringList saveFilter() const;
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bool canSave() const;
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bool save(const QString& filePath, bool withChanges) const;
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Outline outline() const;
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Properties properties() const;
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private:
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Q_DISABLE_COPY(DjVuDocument)
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DjVuDocument(QMutex* globalMutex, ddjvu_context_t* context, ddjvu_document_t* document);
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mutable QMutex m_mutex;
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mutable QMutex* m_globalMutex;
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ddjvu_context_t* m_context;
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ddjvu_document_t* m_document;
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ddjvu_format_t* m_format;
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QHash< QString, int > m_pageByName;
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QHash< int, QString > m_titleByIndex;
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void prepareFileInfo();
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};
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}
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class DjVuPlugin : public QObject, Plugin
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{
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Q_OBJECT
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Q_INTERFACES(qpdfview::Plugin)
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#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
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Q_PLUGIN_METADATA(IID "local.qpdfview.Plugin")
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#endif // QT_VERSION
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public:
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DjVuPlugin(QObject* parent = 0);
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Model::Document* loadDocument(const QString& filePath) const;
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private:
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mutable QMutex m_globalMutex;
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};
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} // qpdfview
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#endif // DJVUMODEL_H
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