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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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#include "GraphicsPDFItem.h"
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#include <qglobal.h>
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#include <QStyleOptionGraphicsItem>
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#include "core/memcheck.h"
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GraphicsPDFItem::GraphicsPDFItem(PDFRenderer *renderer, int pageNumber, QGraphicsItem *parentItem)
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: QObject(0), QGraphicsItem(parentItem)
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, mRenderer(renderer)
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, mPageNumber(pageNumber)
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, mIsCacheAllowed(true)
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{
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setCacheMode(QGraphicsItem::DeviceCoordinateCache);
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mRenderer->attach();
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connect(mRenderer, SIGNAL(signalUpdateParent()), this, SLOT(OnRequireUpdate()));
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}
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GraphicsPDFItem::~GraphicsPDFItem()
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{
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disconnect(mRenderer, SIGNAL(signalUpdateParent()), this, SLOT(OnRequireUpdate()));
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mRenderer->detach();
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}
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QRectF GraphicsPDFItem::boundingRect() const
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{
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if (!mRenderer->isValid())
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{
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return QRectF();
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}
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return QRectF(QPointF(0, 0), mRenderer->pageSizeF(mPageNumber));
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}
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void GraphicsPDFItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(widget)
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if (!mRenderer || !mRenderer->isValid())
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{
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qWarning("GraphicsPDFItem::paint: Invalid renderer");
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return;
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}
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if (option)
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{
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mRenderer->render(painter, mPageNumber, mIsCacheAllowed, option->exposedRect);
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} else
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qWarning("GraphicsPDFItem::paint: option is null, ignoring painting");
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}
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void GraphicsPDFItem::OnRequireUpdate()
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{
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updateChild();
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}
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