| /**************************************************************************** |
| ** |
| ** 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 <QPointer> |
| #include <QtWidgets/private/qabstractscrollarea_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QPdfPageRenderer; |
| |
| class QPdfViewPrivate : public QAbstractScrollAreaPrivate |
| { |
| Q_DECLARE_PUBLIC(QPdfView) |
| |
| public: |
| QPdfViewPrivate(); |
| 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(); |
| |
| 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; |
| QVector<int> m_cachedPagesLRU; |
| int m_pageCacheLimit; |
| |
| DocumentLayout m_documentLayout; |
| |
| qreal m_screenResolution; // pixels per point |
| }; |
| |
| Q_DECLARE_TYPEINFO(QPdfViewPrivate::DocumentLayout, Q_MOVABLE_TYPE); |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPDFVIEW_P_H |