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/*
Copyright 2013 Adam Reichold
Copyright 2013 Alexander Volkov
This file is part of qpdfview.
The implementation is based on KDjVu by Pino Toscano.
qpdfview is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
qpdfview is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DJVUMODEL_H
#define DJVUMODEL_H
#include <QHash>
#include <QMutex>
typedef struct ddjvu_context_s ddjvu_context_t;
typedef struct ddjvu_format_s ddjvu_format_t;
typedef struct ddjvu_document_s ddjvu_document_t;
typedef struct ddjvu_pageinfo_s ddjvu_pageinfo_t;
#include "model.h"
namespace qpdfview
{
class DjVuPlugin;
namespace Model
{
class DjVuPage : public Page
{
friend class DjVuDocument;
public:
~DjVuPage();
QSizeF size() const;
QImage render(qreal horizontalResolution, qreal verticalResolution, Rotation rotation, QRect boundingRect) const;
QString label() const;
QList< Link* > links() const;
QString text(const QRectF& rect) const;
QList< QRectF > search(const QString& text, bool matchCase, bool wholeWords) const;
private:
Q_DISABLE_COPY(DjVuPage)
DjVuPage(const class DjVuDocument* parent, int index, const ddjvu_pageinfo_t& pageinfo);
const class DjVuDocument* m_parent;
int m_index;
QSizeF m_size;
int m_resolution;
};
class DjVuDocument : public Document
{
friend class DjVuPage;
friend class qpdfview::DjVuPlugin;
public:
~DjVuDocument();
int numberOfPages() const;
Page* page(int index) const;
QStringList saveFilter() const;
bool canSave() const;
bool save(const QString& filePath, bool withChanges) const;
Outline outline() const;
Properties properties() const;
private:
Q_DISABLE_COPY(DjVuDocument)
DjVuDocument(QMutex* globalMutex, ddjvu_context_t* context, ddjvu_document_t* document);
mutable QMutex m_mutex;
mutable QMutex* m_globalMutex;
ddjvu_context_t* m_context;
ddjvu_document_t* m_document;
ddjvu_format_t* m_format;
QHash< QString, int > m_pageByName;
QHash< int, QString > m_titleByIndex;
void prepareFileInfo();
};
}
class DjVuPlugin : public QObject, Plugin
{
Q_OBJECT
Q_INTERFACES(qpdfview::Plugin)
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
Q_PLUGIN_METADATA(IID "local.qpdfview.Plugin")
#endif // QT_VERSION
public:
DjVuPlugin(QObject* parent = 0);
Model::Document* loadDocument(const QString& filePath) const;
private:
mutable QMutex m_globalMutex;
};
} // qpdfview
#endif // DJVUMODEL_H
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