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diff --git a/sw/source/core/text/porrst.hxx b/sw/source/core/text/porrst.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#pragma once
+
+#include <tools/gen.hxx>
+
+#include <TextFrameIndex.hxx>
+#include <txttypes.hxx>
+#include <txtfrm.hxx>
+#include <svx/ctredlin.hxx>
+#include <scriptinfo.hxx>
+
+#include "porlin.hxx"
+#include "portxt.hxx"
+#include "possiz.hxx"
+
+class SwPortionHandler;
+class SwTextPaintInfo;
+class SwTextSizeInfo;
+class SwFont;
+
+#define LINE_BREAK_WIDTH        150
+#define SPECIAL_FONT_HEIGHT     200
+
+class SwTextFormatInfo;
+
+class SwTmpEndPortion : public SwLinePortion
+{
+    const FontLineStyle m_eUnderline;
+    const FontStrikeout m_eStrikeout;
+    Color m_aColor;
+
+public:
+    explicit SwTmpEndPortion( const SwLinePortion &rPortion,
+                    const FontLineStyle eUnderline,
+                    const FontStrikeout eStrikeout,
+                    const Color& rColor );
+    virtual void Paint( const SwTextPaintInfo &rInf ) const override;
+};
+
+enum class SwLineBreakClear;
+
+class SwBreakPortion : public SwLinePortion
+{
+    RedlineType m_eRedline;
+
+    /// Tracks the type of the breaking clear from SwTextLineBreak, if there is one.
+    SwLineBreakClear m_eClear;
+
+    /// Height of the line-break character itself, without spacing added for clearing.
+    SwTwips m_nTextHeight;
+
+public:
+    explicit SwBreakPortion(const SwLinePortion& rPortion, const SwTextAttr* pAttr);
+    // Returns 0 if we have no usable data
+    virtual SwLinePortion *Compress() override;
+    virtual void Paint( const SwTextPaintInfo &rInf ) const override;
+    virtual bool Format( SwTextFormatInfo &rInf ) override;
+    virtual sal_uInt16 GetViewWidth( const SwTextSizeInfo &rInf ) const override;
+    virtual TextFrameIndex GetModelPositionForViewPoint(sal_uInt16 nOfst) const override;
+
+    // Accessibility: pass information about this portion to the PortionHandler
+    virtual void HandlePortion( SwPortionHandler& rPH ) const override;
+
+    void dumpAsXml(xmlTextWriterPtr pWriter, const OUString& rText,
+                   TextFrameIndex& nOffset) const override;
+
+    static constexpr OUString S_NOBREAK_FOR_REDLINE = u"\u00A0"_ustr;
+    void SetRedline( const RedlineType eRedline ) { m_eRedline = eRedline; }
+
+    SwLineBreakClear GetClear() const;
+};
+
+class SwKernPortion : public SwLinePortion
+{
+    short m_nKern;
+    bool m_bBackground;
+    bool m_bGridKern;
+
+public:
+
+    // This constructor automatically appends the portion to rPortion
+    // bBG indicates, that the background of the kerning portion has to
+    // be painted, e.g., if the portion if positioned between to fields.
+    // bGridKern indicates, that the kerning portion is used to provide
+    // additional space in grid mode.
+    SwKernPortion( SwLinePortion &rPortion, short nKrn,
+                   bool bBG = false, bool bGridKern = false );
+
+    // This constructor only sets the height and ascent to the values
+    // of rPortion. It is only used for kerning portions for grid mode
+    explicit SwKernPortion( const SwLinePortion &rPortion );
+
+    virtual void FormatEOL( SwTextFormatInfo &rInf ) override;
+    virtual void Paint( const SwTextPaintInfo &rInf ) const override;
+};
+
+/// Indicator that the content does not fit into a fixed height frame (red triangle on the UI).
+class SwArrowPortion : public SwLinePortion
+{
+    Point m_aPos;
+    bool m_bLeft;
+public:
+    explicit SwArrowPortion( const SwLinePortion &rPortion );
+    explicit SwArrowPortion( const SwTextPaintInfo &rInf );
+    virtual void Paint( const SwTextPaintInfo &rInf ) const override;
+    virtual SwLinePortion *Compress() override;
+    bool IsLeft() const { return m_bLeft; }
+    const Point& GetPos() const { return m_aPos; }
+};
+
+// The characters which are forbidden at the start of a line like the dot and
+// other punctuation marks are allowed to display in the margin of the page
+// by a user option.
+// The SwHangingPortion is the corresponding textportion to do that.
+class SwHangingPortion : public SwTextPortion
+{
+    sal_uInt16 m_nInnerWidth;
+public:
+    explicit SwHangingPortion( SwPosSize aSize ) : m_nInnerWidth( aSize.Width() )
+    {
+        SetWhichPor( PortionType::Hanging );
+        SetLen(TextFrameIndex(1));
+        Height( aSize.Height() );
+    }
+
+    sal_uInt16 GetInnerWidth() const { return m_nInnerWidth; }
+};
+
+// Used to hide text
+class SwHiddenTextPortion : public SwLinePortion
+{
+public:
+    explicit SwHiddenTextPortion(TextFrameIndex const nLen)
+    {
+        SetWhichPor( PortionType::HiddenText );  SetLen( nLen );
+    }
+
+    virtual void Paint( const SwTextPaintInfo &rInf ) const override;
+    virtual bool Format( SwTextFormatInfo &rInf ) override;
+};
+
+class SwControlCharPortion : public SwLinePortion
+{
+
+private:
+    mutable sal_uInt16 mnViewWidth;            // used to cache a calculated value
+protected:
+    mutable sal_uInt16 mnHalfCharWidth;        // used to cache a calculated value
+    sal_Unicode mcChar;
+
+public:
+
+    explicit SwControlCharPortion( sal_Unicode cChar )
+        : mnViewWidth( 0 ), mnHalfCharWidth( 0 ), mcChar( cChar )
+    {
+        SetWhichPor( PortionType::ControlChar ); SetLen( TextFrameIndex(1) );
+    }
+
+    virtual bool DoPaint(SwTextPaintInfo const& rInf,
+        OUString & rOutString, SwFont & rTmpFont, int & rDeltaY) const;
+    virtual void Paint( const SwTextPaintInfo &rInf ) const override;
+    virtual bool Format( SwTextFormatInfo &rInf ) override;
+    virtual sal_uInt16 GetViewWidth( const SwTextSizeInfo& rInf ) const override;
+};
+
+/// for showing bookmark starts and ends; note that in contrast to
+/// SwControlCharPortion these do not have a character in the text.
+class SwBookmarkPortion : public SwControlCharPortion
+{
+    // custom colors defined by metadata
+    std::vector<std::tuple<SwScriptInfo::MarkKind, Color, OUString>> m_oColors;
+    // number of MarkKind marks
+    sal_Int16 m_nStart, m_nEnd, m_nPoint;
+    bool m_bHasCustomColor;
+
+public:
+    explicit SwBookmarkPortion(sal_Unicode const cChar, std::vector<std::tuple<SwScriptInfo::MarkKind, Color, OUString>>rColors)
+        : SwControlCharPortion(cChar), m_oColors(rColors), m_nStart(0), m_nEnd(0), m_nPoint(0), m_bHasCustomColor(false)
+    {
+        SetWhichPor(PortionType::Bookmark);
+        SetLen(TextFrameIndex(0));
+        for (const auto& it : m_oColors)
+        {
+            if (std::get<0>(it) == SwScriptInfo::MarkKind::Start)
+                m_nStart++;
+            else if (std::get<0>(it) == SwScriptInfo::MarkKind::End)
+                m_nEnd++;
+            else
+                m_nPoint++;
+
+            if (!m_bHasCustomColor && COL_TRANSPARENT != std::get<1>(it))
+                m_bHasCustomColor = true;
+        }
+    }
+
+    virtual bool DoPaint(SwTextPaintInfo const& rInf,
+        OUString & rOutString, SwFont & rTmpFont, int & rDeltaY) const override;
+    virtual void Paint( const SwTextPaintInfo &rInf ) const override;
+    virtual SwLinePortion * Compress() override { return this; }
+    virtual void HandlePortion(SwPortionHandler& rPH) const override;
+    void dumpAsXml(xmlTextWriterPtr pWriter, const OUString& rText,
+                   TextFrameIndex& rOffset) const override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */