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// Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 "qpdflinkmodel.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;
QTransform screenScaleTransform() const; // points to pixels
struct DocumentLayout
{
QSize documentSize;
QHash<int, QRect> pageGeometries;
};
DocumentLayout calculateDocumentLayout() const;
void updateDocumentLayout();
QPdfView *q_ptr;
QPointer<QPdfDocument> m_document;
QPointer<QPdfSearchModel> m_searchModel;
QPdfPageNavigator* m_pageNavigator;
QPdfPageRenderer *m_pageRenderer;
QPdfLinkModel m_linkModel;
QPdfView::PageMode m_pageMode;
QPdfView::ZoomMode m_zoomMode;
qreal m_zoomFactor;
int m_currentSearchResult = -1;
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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