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108 lines
2.6 KiB
108 lines
2.6 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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#include <QFile>
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#include <QDesktopWidget>
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#include "PDFRenderer.h"
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#include "XPDFRenderer.h"
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#include "core/UBApplication.h"
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#include "core/memcheck.h"
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QMap< QUuid, QPointer<PDFRenderer> > PDFRenderer::sRenderers;
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PDFRenderer::PDFRenderer() : dpiForRendering(96)
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{
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}
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PDFRenderer::~PDFRenderer()
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{
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// NOOP
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}
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PDFRenderer* PDFRenderer::rendererForUuid(const QUuid &uuid, const QString &filename, bool importingFile)
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{
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if (sRenderers.contains(uuid))
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{
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return sRenderers.value(uuid);
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}
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else
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{
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PDFRenderer *newRenderer = new XPDFRenderer(filename,importingFile);
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newRenderer->setRefCount(0);
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newRenderer->setFileUuid(uuid);
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QFile file(filename);
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file.open(QIODevice::ReadOnly);
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newRenderer->setFileData(file.readAll());
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file.close();
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sRenderers.insert(newRenderer->fileUuid(), newRenderer);
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QDesktopWidget* desktop = UBApplication::desktop();
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int dpiCommon = (desktop->physicalDpiX() + desktop->physicalDpiY()) / 2;
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newRenderer->setDPI(dpiCommon);
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return newRenderer;
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}
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}
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void PDFRenderer::setRefCount(const QAtomicInt &refCount)
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{
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mRefCount = refCount;
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}
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void PDFRenderer::setFileData(const QByteArray &fileData)
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{
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mFileData = fileData;
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}
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void PDFRenderer::setFileUuid(const QUuid &fileUuid)
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{
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mFileUuid = fileUuid;
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}
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void PDFRenderer::attach()
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{
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mRefCount.ref();
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}
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void PDFRenderer::detach()
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{
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mRefCount.deref();
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if (mRefCount.loadAcquire() == 0)
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{
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sRenderers.remove(mFileUuid);
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delete this;
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}
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}
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