mirror of
https://invent.kde.org/graphics/okular
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190 lines
3.7 KiB
C++
190 lines
3.7 KiB
C++
/*
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SPDX-FileCopyrightText: 2007 Tobias Koenig <tokoe@kde.org>
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Work sponsored by the LiMux project of the city of Munich:
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SPDX-FileCopyrightText: 2017 Klarälvdalens Datakonsult AB a KDAB Group company <info@kdab.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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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 <QImage>
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#include <QMutex>
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#include <QSet>
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#include <QThread>
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class QEventLoop;
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#include "generator.h"
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#include "page.h"
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namespace Okular
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{
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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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static PixmapRequestPrivate *get(const PixmapRequest *req);
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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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bool mPartialUpdatesWanted : 1;
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Page *mPage;
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NormalizedRect mNormalizedRect;
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QAtomicInt mShouldAbortRender;
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QImage mResultImage;
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};
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class TextRequestPrivate
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{
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public:
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static TextRequestPrivate *get(const TextRequest *req);
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Page *mPage;
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QAtomicInt mShouldAbortExtraction;
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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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explicit PixmapGenerationThread(Generator *generator);
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void startGeneration(PixmapRequest *request, bool calcBoundingBox);
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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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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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explicit TextPageGenerationThread(Generator *generator);
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void endGeneration();
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void setPage(Page *page);
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Page *page() const;
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TextPage *textPage() const;
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void abortExtraction();
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bool shouldAbortExtraction() const;
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public Q_SLOTS:
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void startGeneration();
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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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TextPage *mTextPage;
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TextRequest mTextRequest;
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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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Q_DECLARE_METATYPE(Okular::Page *)
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#endif
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