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Diffstat (limited to 'src/pdfwidgets/qpdfview_p.h')
-rw-r--r-- | src/pdfwidgets/qpdfview_p.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/pdfwidgets/qpdfview_p.h b/src/pdfwidgets/qpdfview_p.h new file mode 100644 index 000000000..9fd54b4b6 --- /dev/null +++ b/src/pdfwidgets/qpdfview_p.h @@ -0,0 +1,119 @@ +/**************************************************************************** +** +** 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 |