mirror of
https://invent.kde.org/graphics/okular
synced 2024-07-16 10:17:04 +00:00
170 lines
3.9 KiB
C++
170 lines
3.9 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 Tobias Koenig <tokoe@kde.org> *
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* *
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* This program 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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***************************************************************************/
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#ifndef OKULAR_THREADEDGENERATOR_P_H
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#define OKULAR_THREADEDGENERATOR_P_H
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#include "area.h"
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#include <QtCore/QSet>
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#include <QtCore/QThread>
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#include <QtGui/QImage>
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class QEventLoop;
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class QMutex;
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namespace Okular {
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class DocumentObserver;
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class DocumentPrivate;
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class FontInfo;
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class Generator;
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class Page;
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class PixmapGenerationThread;
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class PixmapRequest;
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class TextPage;
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class TextPageGenerationThread;
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class TilesManager;
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class GeneratorPrivate
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{
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public:
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GeneratorPrivate();
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virtual ~GeneratorPrivate();
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Q_DECLARE_PUBLIC( Generator )
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Generator *q_ptr;
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PixmapGenerationThread* pixmapGenerationThread();
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TextPageGenerationThread* textPageGenerationThread();
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void pixmapGenerationFinished();
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void textpageGenerationFinished();
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QMutex* threadsLock();
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virtual QVariant metaData( const QString &key, const QVariant &option ) const;
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virtual QImage image( PixmapRequest * );
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DocumentPrivate *m_document;
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// NOTE: the following should be a QSet< GeneratorFeature >,
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// but it is not to avoid #include'ing generator.h
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QSet< int > m_features;
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PixmapGenerationThread *mPixmapGenerationThread;
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TextPageGenerationThread *mTextPageGenerationThread;
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mutable QMutex *m_mutex;
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QMutex *m_threadsMutex;
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bool mPixmapReady : 1;
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bool mTextPageReady : 1;
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bool m_closing : 1;
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QEventLoop *m_closingLoop;
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QSizeF m_dpi;
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};
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class PixmapRequestPrivate
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{
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public:
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void swap();
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TilesManager *tilesManager() const;
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DocumentObserver *mObserver;
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int mPageNumber;
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int mWidth;
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int mHeight;
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int mPriority;
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int mFeatures;
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bool mForce : 1;
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bool mTile : 1;
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Page *mPage;
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NormalizedRect mNormalizedRect;
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};
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class PixmapGenerationThread : public QThread
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{
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Q_OBJECT
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public:
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PixmapGenerationThread( Generator *generator );
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void startGeneration( PixmapRequest *request, bool calcBoundingRect );
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void endGeneration();
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PixmapRequest *request() const;
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QImage image() const;
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bool calcBoundingBox() const;
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NormalizedRect boundingBox() const;
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protected:
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void run() override;
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private:
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Generator *mGenerator;
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PixmapRequest *mRequest;
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QImage mImage;
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NormalizedRect mBoundingBox;
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bool mCalcBoundingBox : 1;
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};
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class TextPageGenerationThread : public QThread
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{
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Q_OBJECT
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public:
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TextPageGenerationThread( Generator *generator );
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void startGeneration( Page *page );
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void endGeneration();
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Page *page() const;
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TextPage* textPage() const;
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protected:
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void run() override;
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private:
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Generator *mGenerator;
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Page *mPage;
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TextPage *mTextPage;
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};
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class FontExtractionThread : public QThread
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{
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Q_OBJECT
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public:
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FontExtractionThread( Generator *generator, int pages );
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void startExtraction( bool async );
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void stopExtraction();
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Q_SIGNALS:
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void gotFont( const Okular::FontInfo& );
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void progress( int page );
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protected:
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void run() override;
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private:
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Generator *mGenerator;
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int mNumOfPages;
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bool mGoOn;
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};
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}
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#endif
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