qtextodfwriter_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QTEXTODFWRITER_H
#define QTEXTODFWRITER_H
 
#include <QtGui/private/qtguiglobal_p.h>
 
#ifndef QT_NO_TEXTODFWRITER
 
//
//  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 <QtCore/qhash.h>
#include <QtCore/qlist.h>
#include <QtCore/qset.h>
#include <QtCore/qstack.h>
 
#include "qtextdocument_p.h"
#include "qtextdocumentwriter.h"
 
QT_BEGIN_NAMESPACE
 
class QTextBlock;
class QIODevice;
class QTextBlockFormat;
class QTextCharFormat;
class QTextListFormat;
class QTextFrameFormat;
class QTextTableCellFormat;
class QTextFrame;
class QTextFragment;
class QOutputStrategy;
class QXmlStreamWriter;
 
class Q_AUTOTEST_EXPORT QTextOdfWriter {
public:
    QTextOdfWriter(const QTextDocument &document, QIODevice *device);
    bool writeAll();
 
    void setCreateArchive(bool on) { m_createArchive = on; }
    bool createArchive() const { return m_createArchive; }
 
    void writeBlock(QXmlStreamWriter &writer, const QTextBlock &block);
    void writeFormats(QXmlStreamWriter &writer, const QSet<int> &formatIds) const;
    void writeBlockFormat(QXmlStreamWriter &writer, const QTextBlockFormat &format, int formatIndex) const;
    void writeCharacterFormat(QXmlStreamWriter &writer, const QTextCharFormat &format, int formatIndex) const;
    void writeListFormat(QXmlStreamWriter &writer, const QTextListFormat &format, int formatIndex) const;
    void writeFrameFormat(QXmlStreamWriter &writer, const QTextFrameFormat &format, int formatIndex) const;
    void writeTableFormat(QXmlStreamWriter &writer, const QTextTableFormat &format, int formatIndex) const;
    void writeTableCellFormat(QXmlStreamWriter &writer, const QTextTableCellFormat &format,
                              int formatIndex, const QList<QTextFormat> &styles) const;
    void writeFrame(QXmlStreamWriter &writer, const QTextFrame *frame);
    void writeInlineCharacter(QXmlStreamWriter &writer, const QTextFragment &fragment) const;
 
    const QString officeNS, textNS, styleNS, foNS, tableNS, drawNS, xlinkNS, svgNS;
    const int defaultImageResolution = 11811; // 11811 dots per meter = (about) 300 dpi
 
protected:
    static QTextTableCellFormat mergeFormats(const QTextTableCellFormat &cell, const QTextTableFormat &table);
    void tableCellStyleElement(QXmlStreamWriter &writer, int formatIndex,
                               const QTextTableCellFormat &format, bool hasBorder) const;
 
private:
    const QTextDocument *m_document;
    QIODevice *m_device;
 
    QOutputStrategy *m_strategy;
    bool m_createArchive;
 
    QStack<QTextList *> m_listStack;
 
    QHash<int, QList<int>> m_cellFormatsInTablesWithBorders;
    QSet<int> m_tableFormatsWithBorders;
    mutable QSet<int> m_tableFormatsWithColWidthConstraints;
};
 
QT_END_NAMESPACE
 
#endif // QT_NO_TEXTODFWRITER
#endif // QTEXTODFWRITER_H