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87 lines
2.4 KiB
87 lines
2.4 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard 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, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PDFRENDERER_H
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#define PDFRENDERER_H
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#include <QObject>
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#include <QSizeF>
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#include <QRect>
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#include <QByteArray>
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#include <QUuid>
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#include <QMap>
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#include <QPointer>
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class QPainter;
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class PDFRenderer : public QObject
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{
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Q_OBJECT
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public:
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static PDFRenderer* rendererForUuid(const QUuid &uuid, const QString &filename, bool importingFile = false);
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virtual ~PDFRenderer();
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virtual bool isValid() const = 0;
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virtual int pageCount() const = 0;
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virtual QSizeF pageSizeF(int pageNumber) const = 0;
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virtual int pageRotation(int pageNumber) const = 0;
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virtual QString title() const = 0;
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void attach();
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void detach();
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QUuid fileUuid() const { return mFileUuid; }
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QByteArray fileData() const { return mFileData; }
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void setDPI(int desiredDPI) { this->dpiForRendering = desiredDPI; }
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virtual void render(QPainter *p, int pageNumber, bool const cacheAllowed, const QRectF &bounds = QRectF()) = 0;
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private:
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QAtomicInt mRefCount;
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QByteArray mFileData;
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QUuid mFileUuid;
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void setRefCount(const QAtomicInt &refCount);
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void setFileData(const QByteArray &fileData);
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void setFileUuid(const QUuid &fileUuid);
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static QMap< QUuid, QPointer<PDFRenderer> > sRenderers;
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protected:
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int dpiForRendering;
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PDFRenderer();
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};
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#endif // PDFRENDERER_H
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