KoSvgTextShapeMarkupConverter.h

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/*
 *  SPDX-FileCopyrightText: 2017 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KOSVGTEXTSHAPEMARKUPCONVERTER_H
#define KOSVGTEXTSHAPEMARKUPCONVERTER_H
 
#include "kritaflake_export.h"
 
#include <QScopedPointer>
#include <QTextDocument>
#include <QTextCharFormat>
 
#include <optional>
 
class QRectF;
class KoSvgTextShape;
class KoShape;
class KoColorSpace;
 
class KRITAFLAKE_EXPORT KoSvgTextShapeMarkupConverter
{
public:
    KoSvgTextShapeMarkupConverter(KoSvgTextShape *shape);
    ~KoSvgTextShapeMarkupConverter();
 
    bool convertToSvg(QString *svgText, QString *stylesText);
 
    bool convertFromSvg(const QString &svgText, const QString &stylesText, const QRectF &boundsInPixels, qreal pixelsPerInch);
 
    bool convertToHtml(QString *htmlText);
 
    bool convertFromHtml(const QString &htmlText, QString *svgText, QString *styles);
 
    bool convertDocumentToSvg(const QTextDocument *doc, QString *svgText);
 
    bool convertSvgToDocument(const QString &svgText, QTextDocument *doc);
 
 
    QStringList errors() const;
    QStringList warnings() const;
 
    QString style(QTextCharFormat format, QTextBlockFormat blockFormat, QTextCharFormat mostCommon = QTextCharFormat(), bool includeLineHeight = false);
 
    struct ExtraStyles;
 
    static QVector<QTextFormat> stylesFromString(QStringList styles, QTextCharFormat currentCharFormat, QTextBlockFormat currentBlockFormat, ExtraStyles &extraStyles);
    QTextFormat formatDifference(QTextFormat test, QTextFormat reference);
 
private:
    struct Private;
    const QScopedPointer<Private> d;
 
public:
    /*
     * Members for dealing with special document-level properties not supported
     * by Qt: We abuse QTextFormat a bit to store our special properties in the
     * top-level root QTextFrame of the QTextDocument.
     */
 
    enum class WrappingMode {
        QtLegacy = 0,
        WhiteSpacePre,
        WhiteSpacePreWrap,
    };
 
    static constexpr QTextFormat::Property WrappingModeProperty =
        static_cast<QTextFormat::Property>(QTextFormat::UserProperty + 56784);
    static constexpr QTextFormat::Property InlineSizeProperty =
        static_cast<QTextFormat::Property>(WrappingModeProperty + 1);
 
    static WrappingMode getWrappingMode(const QTextFrameFormat &frameFormat);
    static void setWrappingMode(QTextFrameFormat *frameFormat, WrappingMode wrappingMode);
 
    static std::optional<double> getInlineSize(const QTextFrameFormat &frameFormat);
    static void setInlineSize(QTextFrameFormat *frameFormat, double inlineSize);
};
 
#endif // KOSVGTEXTSHAPEMARKUPCONVERTER_H