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/*
* Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
*
* Copyright (C) 2013 Open Education Foundation
*
* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
* l'Education Numérique en Afrique (GIP ENA)
*
* This file is part of OpenBoard.
*
* OpenBoard 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, version 3 of the License,
* with a specific linking exception for the OpenSSL project's
* "OpenSSL" library (or with modified versions of it that use the
* same license as the "OpenSSL" library).
*
* OpenBoard 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 OpenBoard. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QFile>
#include <QDesktopWidget>
#include "PDFRenderer.h"
#include "XPDFRenderer.h"
#include "core/UBApplication.h"
#include "core/memcheck.h"
QMap< QUuid, QPointer<PDFRenderer> > PDFRenderer::sRenderers;
PDFRenderer::PDFRenderer() : dpiForRendering(96)
{
}
PDFRenderer::~PDFRenderer()
{
// NOOP
}
PDFRenderer* PDFRenderer::rendererForUuid(const QUuid &uuid, const QString &filename, bool importingFile)
{
if (sRenderers.contains(uuid))
{
return sRenderers.value(uuid);
}
else
{
PDFRenderer *newRenderer = new XPDFRenderer(filename,importingFile);
newRenderer->setRefCount(0);
newRenderer->setFileUuid(uuid);
QFile file(filename);
file.open(QIODevice::ReadOnly);
newRenderer->setFileData(file.readAll());
file.close();
sRenderers.insert(newRenderer->fileUuid(), newRenderer);
QDesktopWidget* desktop = UBApplication::desktop();
int dpiCommon = (desktop->physicalDpiX() + desktop->physicalDpiY()) / 2;
newRenderer->setDPI(dpiCommon);
return newRenderer;
}
}
void PDFRenderer::setRefCount(const QAtomicInt &refCount)
{
mRefCount = refCount;
}
void PDFRenderer::setFileData(const QByteArray &fileData)
{
mFileData = fileData;
}
void PDFRenderer::setFileUuid(const QUuid &fileUuid)
{
mFileUuid = fileUuid;
}
void PDFRenderer::attach()
{
mRefCount.ref();
}
void PDFRenderer::detach()
{
mRefCount.deref();
if (mRefCount.loadAcquire() == 0)
{
sRenderers.remove(mFileUuid);
delete this;
}
}