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/****************************************************************************
**
** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtPDF module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPDFVIEW_P_H
#define QPDFVIEW_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qpdfview.h"
#include <QHash>
#include <QPointer>
QT_BEGIN_NAMESPACE
class QPdfPageRenderer;
class QPdfViewPrivate
{
Q_DECLARE_PUBLIC(QPdfView)
public:
QPdfViewPrivate(QPdfView *q);
void init();
void documentStatusChanged();
void currentPageChanged(int currentPage);
void calculateViewport();
void setViewport(QRect viewport);
void updateScrollBars();
void pageRendered(int pageNumber, QSize imageSize, const QImage &image, quint64 requestId);
void invalidateDocumentLayout();
void invalidatePageCache();
qreal yPositionForPage(int page) const;
struct DocumentLayout
{
QSize documentSize;
QHash<int, QRect> pageGeometries;
};
DocumentLayout calculateDocumentLayout() const;
void updateDocumentLayout();
QPdfView *q_ptr;
QPointer<QPdfDocument> m_document;
QPdfPageNavigation* m_pageNavigation;
QPdfPageRenderer *m_pageRenderer;
QPdfView::PageMode m_pageMode;
QPdfView::ZoomMode m_zoomMode;
qreal m_zoomFactor;
int m_pageSpacing;
QMargins m_documentMargins;
bool m_blockPageScrolling;
QMetaObject::Connection m_documentStatusChangedConnection;
QRect m_viewport;
QHash<int, QImage> m_pageCache;
QList<int> m_cachedPagesLRU;
int m_pageCacheLimit;
DocumentLayout m_documentLayout;
qreal m_screenResolution; // pixels per point
};
Q_DECLARE_TYPEINFO(QPdfViewPrivate::DocumentLayout, Q_RELOCATABLE_TYPE);
QT_END_NAMESPACE
#endif // QPDFVIEW_P_H
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