Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 1089 insertions, 0 deletions

diff --git a/emfio/inc/emfiodllapi.h b/emfio/inc/emfiodllapi.h
new file mode 100644
index 000000000..af672949d
--- /dev/null
+++ b/emfio/inc/emfiodllapi.h
@@ -0,0 +1,33 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_EMFIO_INC_EMFIODLLAPI_H
+#define INCLUDED_EMFIO_INC_EMFIODLLAPI_H
+
+#include <sal/types.h>
+
+#if defined(EMFIO_DLLIMPLEMENTATION)
+#define EMFIO_DLLPUBLIC SAL_DLLPUBLIC_EXPORT
+#else
+#define EMFIO_DLLPUBLIC SAL_DLLPUBLIC_IMPORT
+#endif
+
+#endif // INCLUDED_EMFIO_INC_EMFIODLLAPI_H
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/emfio/inc/emfreader.hxx b/emfio/inc/emfreader.hxx
new file mode 100644
index 000000000..a09ad6fa2
--- /dev/null
+++ b/emfio/inc/emfreader.hxx
@@ -0,0 +1,68 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_EMFIO_INC_EMFREADER_HXX
+#define INCLUDED_EMFIO_INC_EMFREADER_HXX
+
+#include "mtftools.hxx"
+
+namespace emfio
+{
+    class EmfReader : public MtfTools
+    {
+    private:
+        sal_uInt32   mnRecordCount;
+
+        bool        mbRecordPath : 1;
+        bool        mbEMFPlus : 1;
+        bool        mbEMFPlusDualMode : 1;
+        /// Another format is read already, can ignore actual EMF data.
+        bool mbReadOtherGraphicFormat = false;
+        basegfx::B2DTuple maSizeHint;
+        bool mbEnableEMFPlus = true;
+
+        bool        ReadHeader();
+        // reads and converts the rectangle
+        static tools::Rectangle ReadRectangle(sal_Int32, sal_Int32, sal_Int32, sal_Int32);
+
+    public:
+        EmfReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile);
+        ~EmfReader();
+
+        bool ReadEnhWMF();
+        void ReadGDIComment(sal_uInt32 nCommentId);
+        /// Parses EMR_COMMENT_MULTIFORMATS.
+        void ReadMultiformatsComment();
+        void SetSizeHint(const basegfx::B2DTuple& rSizeHint) { maSizeHint = rSizeHint; }
+        void SetEnableEMFPlus(bool bEnableEMFPlus) { mbEnableEMFPlus = bEnableEMFPlus; }
+
+    private:
+        template <class T> void ReadAndDrawPolyPolygon(sal_uInt32 nNextPos);
+        template <class T> void ReadAndDrawPolyLine(sal_uInt32 nNextPos);
+        template <class T> tools::Polygon ReadPolygon(sal_uInt32 nStartIndex, sal_uInt32 nPoints, sal_uInt32 nNextPos);
+        template <class T> tools::Polygon ReadPolygonWithSkip(const bool skipFirst, sal_uInt32 nNextPos);
+
+        tools::Rectangle ReadRectangle();
+        void ReadEMFPlusComment(sal_uInt32 length, bool& bHaveDC);
+    };
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/emfio/inc/mtftools.hxx b/emfio/inc/mtftools.hxx
new file mode 100644
index 000000000..997f2287f
--- /dev/null
+++ b/emfio/inc/mtftools.hxx
@@ -0,0 +1,842 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_EMFIO_INC_MTFTOOLS_HXX
+#define INCLUDED_EMFIO_INC_MTFTOOLS_HXX
+
+#include <config_options.h>
+#include <basegfx/utils/b2dclipstate.hxx>
+#include <tools/poly.hxx>
+#include <vcl/font.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/lineinfo.hxx>
+#include <vcl/rendercontext/State.hxx>
+#include <vcl/metaact.hxx>
+#include <rtl/ref.hxx>
+
+#include "emfiodllapi.h"
+
+namespace emfio
+{
+    /* [MS-EMF] - v20210625 - pages 43, 107 */
+    enum class RegionMode : sal_uInt32
+    {
+        RGN_AND  = 0x01,
+        RGN_OR   = 0x02,
+        RGN_XOR  = 0x03,
+        RGN_DIFF = 0x04,
+        RGN_COPY = 0x05
+    };
+
+    /* [MS-EMF] - v20210625 - pages 40, 198 */
+    enum class BackgroundMode : sal_uInt32
+    {
+        NONE = 0,
+        Transparent = 1,
+        OPAQUE = 2,
+    };
+
+    /* [MS-EMF] - v20210625 - pages 40, 210 */
+    /* xform stuff */
+    enum class ModifyWorldTransformMode : sal_uInt32
+    {
+        MWT_IDENTITY      = 0x01,
+        MWT_LEFTMULTIPLY  = 0x02,
+        MWT_RIGHTMULTIPLY = 0x03,
+        MWT_SET           = 0x04
+    };
+
+    constexpr sal_uInt32 ENHMETA_STOCK_OBJECT = 0x80000000;
+
+    /* [MS-EMF] - v20210625 - pages 44, 45, 182 */
+    /* Stock Logical Objects */
+    enum class StockObject : sal_uInt32
+    {
+        WHITE_BRUSH       = 0,
+        LTGRAY_BRUSH      = 1,
+        GRAY_BRUSH        = 2,
+        DKGRAY_BRUSH      = 3,
+        BLACK_BRUSH       = 4,
+        NULL_BRUSH        = 5,
+        WHITE_PEN         = 6,
+        BLACK_PEN         = 7,
+        NULL_PEN          = 8,
+        ANSI_FIXED_FONT   = 11,
+        ANSI_VAR_FONT     = 12,
+        SYSTEM_FIXED_FONT = 16
+    };
+
+    /* Note: This enum is incomplete compared to the specification */
+    /* [MS-WMF] - v20210625 - pages 25-26 */
+    enum class WMFRasterOp : sal_uInt16
+    {
+        NONE = 0,
+        Black = 1,
+        Not = 6,
+        XorPen = 7,
+        Nop = 11,
+        CopyPen = 13
+    };
+
+    /* Note: We have MapMode elsewhere, so we use MappingMode instead */
+    /* [MS-EMF] - v20210625 - pages 38-50, 202 */
+    /* Mapping modes */
+    enum MappingMode : sal_uInt32
+    {
+        MM_TEXT        = 0x01,
+        MM_LOMETRIC    = 0x02,
+        MM_HIMETRIC    = 0x03,
+        MM_LOENGLISH   = 0x04,
+        MM_HIENGLISH   = 0x05,
+        MM_TWIPS       = 0x06,
+        MM_ISOTROPIC   = 0x07,
+        MM_ANISOTROPIC = 0x08
+    };
+
+    /* Note: No type is specified, but 32-bit unsigned is used to provide
+     * to match the number of bits in the binary literal, and also the
+     * previous definition of SetGfxMode() and GetGfxMode() functions */
+    /* [MS-EMF] - v20210625 - pages 35 */
+    /* Graphics modes */
+    enum class GraphicsMode : sal_uInt32
+    {
+        GM_COMPATIBLE = 0x00000001,
+        GM_ADVANCED   = 0x00000002
+    } ;
+
+    /* [MS-WMF] - v20210625 - pages 46 */
+    /* StretchBlt() modes */
+    enum class StretchMode : sal_uInt16
+    {
+        BLACKONWHITE        = 0x0001,
+        WHITEONBLACK        = 0x0002,
+        COLORONCOLOR        = 0x0003,
+        HALFTONE            = 0x0004,
+        STRETCH_ANDSCANS    = BLACKONWHITE,
+        STRETCH_ORSCANS     = WHITEONBLACK,
+        STRETCH_DELETESCANS = COLORONCOLOR
+    };
+
+    constexpr sal_Int32 LF_FACESIZE = 32;
+
+    struct LOGFONTW
+    {
+        sal_Int32       lfHeight;
+        sal_Int32       lfWidth;
+        sal_Int32       lfEscapement;
+        sal_Int32       lfOrientation;
+        sal_Int32       lfWeight;
+        sal_uInt8       lfItalic;
+        sal_uInt8       lfUnderline;
+        sal_uInt8       lfStrikeOut;
+        sal_uInt8       lfCharSet;
+        sal_uInt8       lfOutPrecision;
+        sal_uInt8       lfClipPrecision;
+        sal_uInt8       lfQuality;
+        sal_uInt8       lfPitchAndFamily;
+        OUString        alfFaceName;
+        LOGFONTW()
+            : lfHeight(0)
+            , lfWidth(0)
+            , lfEscapement(0)
+            , lfOrientation(0)
+            , lfWeight(0)
+            , lfItalic(0)
+            , lfUnderline(0)
+            , lfStrikeOut(0)
+            , lfCharSet(0)
+            , lfOutPrecision(0)
+            , lfClipPrecision(0)
+            , lfQuality(0)
+            , lfPitchAndFamily(0)
+        {
+        }
+    };
+
+    /* [MS-WMF] - v20210625 - pages 153 */
+    enum TextAlignmentMode : sal_uInt16
+    {
+        TA_NOUPDATECP   = 0x0000,
+        TA_UPDATECP     = 0x0001,
+        TA_LEFT         = 0x0000,
+        TA_RIGHT        = 0x0002,
+        TA_CENTER       = 0x0006,
+        TA_RIGHT_CENTER = (TA_RIGHT | TA_CENTER),
+        TA_TOP          = 0x0000,
+        TA_BOTTOM       = 0x0008,
+        TA_BASELINE     = 0x0018,
+        TA_RTLREADING   = 0x0100
+    };
+
+    /* Note: This enum is incomplete compared to the specification */
+    /* [MS-EMF] - v20210625 - pages 47-50, 126 */
+    /* Ternary raster operations */
+    enum TernaryRasterOperation : sal_uInt32
+    {
+        SRCCOPY   = 0x00CC0020L,
+        SRCPAINT  = 0x00EE0086L,
+        SRCAND    = 0x008800C6L,
+        SRCINVERT = 0x00660046L,
+        SRCERASE  = 0x00440328L,
+        PATCOPY   = 0x00F00021L,
+        PATINVERT = 0x005A0049L,
+        BLACKNESS = 0x00000042L,
+        WHITENESS = 0x00FF0062L
+    };
+
+    /* [MS-EMF] - v20210625 - pages 40, 41, 65 */
+    enum PenStyle : sal_uInt32
+    {
+        PS_COSMETIC          = 0x00000000,
+        PS_SOLID             = 0x00000000,
+        PS_DASH              = 0x00000001,
+        PS_DOT               = 0x00000002,
+        PS_DASHDOT           = 0x00000003,
+        PS_DASHDOTDOT        = 0x00000004,
+        PS_NULL              = 0x00000005,
+        PS_INSIDEFRAME       = 0x00000006,
+        PS_USERSTYLE         = 0x00000007,
+        PS_ALTERNATE         = 0x00000008,
+        PS_STYLE_MASK        = 0x0000000F,
+
+        PS_ENDCAP_ROUND      = 0x00000000,
+        PS_ENDCAP_SQUARE     = 0x00000100,
+        PS_ENDCAP_FLAT       = 0x00000200,
+        PS_ENDCAP_STYLE_MASK = 0x00000F00,
+
+        PS_JOIN_ROUND        = 0x00000000,
+        PS_JOIN_BEVEL        = 0x00001000,
+        PS_JOIN_MITER        = 0x00002000,
+        PS_JOIN_STYLE_MASK   = 0x0000F000,
+
+        PS_GEOMETRIC         = 0x00010000
+    };
+
+    /* [MS-WMF] - v20210625 - pages 30, 82 */
+    /* Character Sets */
+    enum CharacterSet : sal_uInt8
+    {
+        ANSI_CHARSET        = 0x00000000,
+        DEFAULT_CHARSET     = 0x00000001,
+        SYMBOL_CHARSET      = 0x00000002,
+        SHIFTJIS_CHARSET    = 0x00000080,
+        HANGUL_CHARSET      = 0x00000081,
+        GB2312_CHARSET      = 0x00000086,
+        CHINESEBIG5_CHARSET = 0x00000088,
+        OEM_CHARSET         = 0x000000FF,
+        /* WINVER >= 0x0400 */
+        MAC_CHARSET         = 0x0000004D,
+        JOHAB_CHARSET       = 0x00000082,
+        GREEK_CHARSET       = 0x000000A1,
+        TURKISH_CHARSET     = 0x000000A2,
+        VIETNAMESE_CHARSET  = 0x000000A3,
+        HEBREW_CHARSET      = 0x000000B1,
+        ARABIC_CHARSET      = 0x000000B2,
+        BALTIC_CHARSET      = 0x000000BA,
+        RUSSIAN_CHARSET     = 0x000000CC,
+        THAI_CHARSET        = 0x000000DE,
+        EASTEUROPE_CHARSET  = 0x000000EE
+    };
+
+    /* Note: This enum is incomplete compared to the specification */
+    /* [MS-EMF] - v20210625 - pages 32, 283 */
+    enum ExtTextOutOptions : sal_uInt32
+    {
+        ETO_OPAQUE      = 0x0002,
+        ETO_CLIPPED     = 0x0004,
+        /* WINVER >= 0x0400 */
+        ETO_GLYPH_INDEX = 0x0010,
+        ETO_RTLREADING  = 0x0080,
+        /* _WIN32_WINNT >= 0x0500 */
+        ETO_NO_RECT     = 0x0100,
+        ETO_PDY         = 0x2000
+    };
+
+    /* [MS-WMF] - v20210625 - pages 44, 96 */
+    /* This is packed into a byte as 2 bits */
+    enum PitchFont : sal_uInt8
+    {
+        DEFAULT_PITCH  = 0,
+        FIXED_PITCH    = 1,
+        VARIABLE_PITCH = 2
+    };
+
+    /* [MS-WMF] - v20210625 - pages 33,  */
+    enum FamilyFont : sal_uInt8
+    {
+        FF_DONTCARE   = 0x00,
+        FF_ROMAN      = 0x01,
+        FF_SWISS      = 0x02,
+        FF_MODERN     = 0x03,
+        FF_SCRIPT     = 0x04,
+        FF_DECORATIVE = 0x05
+    };
+
+    enum WeightFont
+    {
+        FW_THIN       = 100,
+        FW_EXTRALIGHT = 200,
+        FW_LIGHT      = 300,
+        FW_NORMAL     = 400,
+        FW_MEDIUM     = 500,
+        FW_SEMIBOLD   = 600,
+        FW_BOLD       = 700,
+        FW_EXTRABOLD  = 800,
+        FW_ULTRALIGHT = 200,
+        FW_ULTRABOLD  = 800,
+        FW_BLACK      = 900
+    };
+
+    /* [MS-WMF] - v20210625 - pages 29, 30, 182 */
+    enum class BrushStyle : sal_uInt16
+    {
+        BS_SOLID         = 0,
+        BS_NULL          = 1,
+        BS_HOLLOW        = 1,
+        BS_HATCHED       = 2,
+        BS_PATTERN       = 3,
+        BS_INDEXED       = 4,
+        BS_DIBPATTERN    = 5,
+        BS_DIBPATTERNPT  = 6,
+        BS_PATTERN8X8    = 7,
+        BS_DIBPATTERN8X8 = 8,
+        BS_MONOPATTERN   = 9
+    };
+
+    constexpr sal_Int32 RDH_RECTANGLES = 1;
+    constexpr sal_Int32 W_MFCOMMENT = 15;
+    constexpr sal_Int32 PRIVATE_ESCAPE_UNICODE = 2;
+
+    //Scalar constants
+    constexpr sal_Int32 UNDOCUMENTED_WIN_RCL_RELATION = 32;
+    constexpr sal_Int32 MS_FIXPOINT_BITCOUNT_28_4 = 4;
+}
+
+//============================ WmfReader ==================================
+
+namespace emfio
+{
+    class WinMtfClipPath
+    {
+        basegfx::utils::B2DClipState maClip;
+
+    public:
+        WinMtfClipPath() : maClip() {};
+
+        void        setClipPath(const basegfx::B2DPolyPolygon&, RegionMode nClippingMode);
+        void        intersectClip(const basegfx::B2DPolyPolygon& rPolyPolygon);
+        void        excludeClip(const basegfx::B2DPolyPolygon& rPolyPolygon);
+        void        moveClipRegion(const Size& rSize);
+        void        setDefaultClipPath();
+
+        bool        isEmpty() const { return maClip.isCleared(); }
+
+        basegfx::utils::B2DClipState const & getClip() const { return maClip; }
+        basegfx::B2DPolyPolygon const & getClipPath() const;
+
+        bool        operator==(const WinMtfClipPath& rPath) const
+        {
+            return maClip == rPath.maClip;
+        };
+    };
+
+    class WinMtfPathObj : public tools::PolyPolygon
+    {
+        bool    bClosed;
+
+    public:
+
+        WinMtfPathObj() :
+            bClosed(true)
+        {}
+
+        void        Init()
+        {
+            Clear();
+            bClosed = true;
+        }
+
+        void        ClosePath();
+        void        AddPoint(const Point& rPoint);
+        void        AddPolygon(const tools::Polygon& rPoly);
+        void        AddPolyLine(const tools::Polygon& rPoly);
+        void        AddPolyPolygon(const tools::PolyPolygon& rPolyPolygon);
+    };
+
+    struct EMFIO_DLLPUBLIC GDIObj
+    {
+        GDIObj() = default;
+        GDIObj(GDIObj const &) = default;
+        virtual ~GDIObj() = default; // Polymorphic base class
+        GDIObj & operator =(GDIObj const &) = default;
+    };
+
+    struct UNLESS_MERGELIBS(EMFIO_DLLPUBLIC) WinMtfFontStyle final : GDIObj
+    {
+        vcl::Font    aFont;
+
+        explicit WinMtfFontStyle(LOGFONTW const & rLogFont);
+    };
+
+    enum class WinMtfFillStyleType
+    {
+        Solid, Pattern
+    };
+
+    struct WinMtfFillStyle final : GDIObj
+    {
+        Color               aFillColor;
+        bool                bTransparent;
+        WinMtfFillStyleType aType;
+        Bitmap              aBmp;
+
+        WinMtfFillStyle()
+            : aFillColor(COL_BLACK)
+            , bTransparent(false)
+            , aType(WinMtfFillStyleType::Solid)
+        {}
+
+        WinMtfFillStyle(const Color& rColor, bool bTrans = false)
+            : aFillColor(rColor)
+            , bTransparent(bTrans)
+            , aType(WinMtfFillStyleType::Solid)
+        {}
+
+        explicit WinMtfFillStyle(Bitmap const & rBmp)
+            : bTransparent(false)
+            , aType(WinMtfFillStyleType::Pattern)
+            , aBmp(rBmp)
+        {}
+
+        bool operator==(const WinMtfFillStyle& rStyle) const
+        {
+            return aFillColor == rStyle.aFillColor
+                && bTransparent == rStyle.bTransparent
+                && aType == rStyle.aType;
+        }
+    };
+
+
+    struct WinMtfPalette final : GDIObj
+    {
+        std::vector< Color > aPaletteColors;
+
+        WinMtfPalette()
+            : aPaletteColors(std::vector< Color >{})
+        {}
+
+        WinMtfPalette(const std::vector< Color > rPaletteColors)
+            : aPaletteColors(rPaletteColors)
+        {}
+
+    };
+
+
+    struct WinMtfLineStyle final : GDIObj
+    {
+        Color       aLineColor;
+        LineInfo    aLineInfo;
+        bool        bTransparent;
+
+        WinMtfLineStyle()
+            : aLineColor(COL_BLACK)
+            , bTransparent(false)
+        {}
+
+        WinMtfLineStyle(const Color& rColor, bool bTrans = false)
+            : aLineColor(rColor)
+            , bTransparent(bTrans)
+        {}
+
+        WinMtfLineStyle(const Color& rColor, const sal_uInt32 nStyle, const sal_Int32 nPenWidth)
+            : aLineColor(rColor)
+        {
+            // According to documentation: nStyle = PS_COSMETIC = 0x0 - line with a width of one logical unit and a style that is a solid color
+            // tdf#140271 Based on observed behaviour the line width is not constant with PS_COSMETIC
+
+            // Width 0 means default width for LineInfo (HairLine) with 1 pixel wide
+            aLineInfo.SetWidth(nPenWidth);
+            switch (nStyle & PS_STYLE_MASK)
+            {
+                case PS_DASHDOTDOT:
+                    aLineInfo.SetStyle(LineStyle::Dash);
+                    aLineInfo.SetDashCount(1);
+                    aLineInfo.SetDotCount(2);
+                    break;
+                case PS_DASHDOT:
+                    aLineInfo.SetStyle(LineStyle::Dash);
+                    aLineInfo.SetDashCount(1);
+                    aLineInfo.SetDotCount(1);
+                    break;
+                case PS_DOT:
+                    aLineInfo.SetStyle(LineStyle::Dash);
+                    aLineInfo.SetDashCount(0);
+                    aLineInfo.SetDotCount(1);
+                    break;
+                case PS_DASH:
+                    aLineInfo.SetStyle(LineStyle::Dash);
+                    aLineInfo.SetDashCount(1);
+                    aLineInfo.SetDotCount(0);
+                    break;
+                case PS_NULL:
+                    aLineInfo.SetStyle(LineStyle::NONE);
+                    break;
+                case PS_INSIDEFRAME: // TODO Implement PS_INSIDEFRAME
+                case PS_SOLID:
+                default:
+                    aLineInfo.SetStyle(LineStyle::Solid);
+            }
+            if (nPenWidth)
+                switch (nStyle & PS_ENDCAP_STYLE_MASK)
+                {
+                    case PS_ENDCAP_ROUND:
+                        aLineInfo.SetLineCap(css::drawing::LineCap_ROUND);
+                        break;
+                    case PS_ENDCAP_SQUARE:
+                        aLineInfo.SetLineCap(css::drawing::LineCap_SQUARE);
+                        break;
+                    case PS_ENDCAP_FLAT:
+                    default:
+                        aLineInfo.SetLineCap(css::drawing::LineCap_BUTT);
+                }
+            else
+                aLineInfo.SetLineCap(css::drawing::LineCap_BUTT);
+            switch (nStyle & PS_JOIN_STYLE_MASK)
+            {
+                case PS_JOIN_ROUND:
+                    aLineInfo.SetLineJoin(basegfx::B2DLineJoin::Round);
+                    break;
+                case PS_JOIN_BEVEL:
+                    aLineInfo.SetLineJoin(basegfx::B2DLineJoin::Bevel);
+                    break;
+                // Undocumented but based on experiments with MS Paint and MS Word,
+                // the default Join Style is PS_JOIN_MITER
+                case PS_JOIN_MITER:
+                default:
+                    aLineInfo.SetLineJoin(basegfx::B2DLineJoin::Miter);
+            }
+            bTransparent = aLineInfo.GetStyle() == LineStyle::NONE;
+        }
+
+        bool operator==(const WinMtfLineStyle& rStyle) const
+        {
+            return aLineColor == rStyle.aLineColor
+                && bTransparent == rStyle.bTransparent
+                && aLineInfo == rStyle.aLineInfo;
+        }
+    };
+
+    struct XForm
+    {
+        float   eM11;
+        float   eM12;
+        float   eM21;
+        float   eM22;
+        float   eDx;
+        float   eDy;
+
+        XForm()
+            : eM11(1.0f)
+            , eM12(0.0f)
+            , eM21(0.0f)
+            , eM22(1.0f)
+            , eDx(0.0f)
+            , eDy(0.0f)
+        {}
+    };
+
+    SvStream& operator >> (SvStream& rInStream, XForm& rXForm);
+
+    struct SaveStruct
+    {
+        BackgroundMode              nBkMode;
+        MappingMode         eMapMode;
+        GraphicsMode        eGfxMode;
+        vcl::text::ComplexTextLayoutFlags nTextLayoutMode;
+        sal_Int32           nWinOrgX, nWinOrgY, nWinExtX, nWinExtY;
+        sal_Int32           nDevOrgX, nDevOrgY, nDevWidth, nDevHeight;
+
+        WinMtfLineStyle     aLineStyle;
+        WinMtfFillStyle     aFillStyle;
+
+        vcl::Font           aFont;
+        Color               aBkColor;
+        Color               aTextColor;
+        sal_uInt32          nTextAlign;
+        RasterOp            eRasterOp;
+
+        Point               aActPos;
+        WinMtfPathObj       maPathObj;
+        WinMtfClipPath      maClipPath;
+        XForm               aXForm;
+
+        bool                bClockWiseArcDirection;
+        bool                bFillStyleSelected;
+    };
+
+    struct BSaveStruct
+    {
+        BitmapEx            aBmpEx;
+        tools::Rectangle    aOutRect;
+        sal_uInt32          nWinRop;
+        bool m_bForceAlpha = false;
+
+        BSaveStruct(const Bitmap& rBmp, const tools::Rectangle& rOutRect, sal_uInt32 nRop)
+            : aBmpEx(rBmp)
+            , aOutRect(rOutRect)
+            , nWinRop(nRop)
+        {}
+
+        BSaveStruct(const BitmapEx& rBmpEx, const tools::Rectangle& rOutRect, sal_uInt32 nRop,
+                    bool bForceAlpha = false)
+            : aBmpEx(rBmpEx)
+            , aOutRect(rOutRect)
+            , nWinRop(nRop)
+            , m_bForceAlpha(bForceAlpha)
+        {}
+    };
+
+    // tdf#127471 implement detection and correction of wrongly scaled
+    // fonts in own-written, old (before this fix) EMF/WMF files
+    class ScaledFontDetectCorrectHelper
+    {
+    private:
+        rtl::Reference<MetaFontAction>                                  maCurrentMetaFontAction;
+        std::vector<double>                                             maAlternativeFontScales;
+        std::vector<std::pair<rtl::Reference<MetaFontAction>, double>>  maPositiveIdentifiedCases;
+        std::vector<std::pair<rtl::Reference<MetaFontAction>, double>>  maNegativeIdentifiedCases;
+
+    public:
+        ScaledFontDetectCorrectHelper();
+        void endCurrentMetaFontAction();
+        void newCurrentMetaFontAction(const rtl::Reference<MetaFontAction>& rNewMetaFontAction);
+        void evaluateAlternativeFontScale(OUString const & rText, tools::Long nImportedTextLength);
+        void applyAlternativeFontScale();
+    };
+
+    class MtfTools
+    {
+        MtfTools(MtfTools const &) = delete;
+        MtfTools& operator =(MtfTools const &) = delete;
+
+    protected:
+        WinMtfPathObj       maPathObj;
+        WinMtfClipPath      maClipPath;
+
+        WinMtfLineStyle     maLatestLineStyle;
+        WinMtfLineStyle     maLineStyle;
+        WinMtfLineStyle     maNopLineStyle;
+        WinMtfFillStyle     maLatestFillStyle;
+        WinMtfFillStyle     maFillStyle;
+        WinMtfFillStyle     maNopFillStyle;
+        WinMtfPalette       maPalette;
+
+        vcl::Font           maLatestFont;
+        vcl::Font           maFont;
+        sal_uInt32          mnLatestTextAlign;
+        sal_uInt32          mnTextAlign;
+        Color               maLatestTextColor;
+        Color               maTextColor;
+        Color               maLatestBkColor;
+        Color               maBkColor;
+        vcl::text::ComplexTextLayoutFlags  mnLatestTextLayoutMode;
+        vcl::text::ComplexTextLayoutFlags  mnTextLayoutMode;
+        BackgroundMode      mnLatestBkMode;
+        BackgroundMode      mnBkMode;
+        RasterOp            meLatestRasterOp;
+        RasterOp            meRasterOp;
+
+        std::vector< std::unique_ptr<GDIObj> > mvGDIObj;
+        Point               maActPos;
+        WMFRasterOp         mnRop;
+        std::vector< std::shared_ptr<SaveStruct> > mvSaveStack;
+
+        GraphicsMode        meGfxMode;
+        MappingMode         meMapMode;
+
+        XForm               maXForm;
+        sal_Int32           mnDevOrgX;
+        sal_Int32           mnDevOrgY;
+        sal_Int32           mnDevWidth;
+        sal_Int32           mnDevHeight;
+        sal_Int32           mnWinOrgX;
+        sal_Int32           mnWinOrgY;
+        sal_Int32           mnWinExtX;
+        sal_Int32           mnWinExtY;
+
+        sal_Int32           mnPixX;            // Reference Device in pixel
+        sal_Int32           mnPixY;            // Reference Device in pixel
+        sal_Int32           mnMillX;           // Reference Device in Mill
+        sal_Int32           mnMillY;           // Reference Device in Mill
+        tools::Rectangle    mrclFrame;
+        tools::Rectangle    mrclBounds;
+
+        GDIMetaFile*        mpGDIMetaFile;
+
+        SvStream*           mpInputStream;               // the WMF/EMF file to be read
+        sal_uInt32          mnStartPos;
+        sal_uInt32          mnEndPos;
+        std::vector<BSaveStruct> maBmpSaveList;
+
+        // tdf#127471 always try to detect - only used with ScaledText
+        ScaledFontDetectCorrectHelper maScaledFontHelper;
+
+        bool                mbNopMode : 1;
+        bool                mbClockWiseArcDirection : 1;
+        bool                mbFillStyleSelected : 1;
+        bool                mbClipNeedsUpdate : 1;
+        bool                mbComplexClip : 1;
+        bool                mbIsMapWinSet : 1;
+        bool                mbIsMapDevSet : 1;
+
+        void                UpdateLineStyle();
+        void                UpdateFillStyle();
+
+        Point               ImplMap(const Point& rPt);
+        Point               ImplScale(const Point& rPt);
+        Size                ImplMap(const Size& rSize, bool bDoWorldTransform = true);
+        tools::Rectangle    ImplMap(const tools::Rectangle& rRectangle);
+        void                ImplMap(vcl::Font& rFont);
+        tools::Polygon&     ImplMap(tools::Polygon& rPolygon);
+        tools::PolyPolygon& ImplMap(tools::PolyPolygon& rPolyPolygon);
+        void                ImplScale(tools::Polygon& rPolygon);
+        tools::PolyPolygon& ImplScale(tools::PolyPolygon& rPolyPolygon);
+        void                ImplResizeObjectArry(sal_uInt32 nNewEntry);
+        void                ImplSetNonPersistentLineColorTransparenz();
+        void                ImplDrawClippedPolyPolygon(const tools::PolyPolygon& rPolyPoly);
+        void                ImplDrawBitmap(const Point& rPos, const Size& rSize, const BitmapEx& rBitmap);
+
+    public:
+
+        void                SetDevByWin(); //Hack to set varying defaults for incompletely defined files.
+        void                SetDevOrg(const Point& rPoint);
+        void                SetDevOrgOffset(sal_Int32 nXAdd, sal_Int32 nYAdd);
+        void                SetDevExt(const Size& rSize, bool regular = true);
+        void                ScaleDevExt(double fX, double fY);
+
+        void                SetWinOrg(const Point& rPoint, bool bIsEMF = false);
+        void                SetWinOrgOffset(sal_Int32 nX, sal_Int32 nY);
+        void                SetWinExt(const Size& rSize, bool bIsEMF = false);
+        void                ScaleWinExt(double fX, double fY);
+
+        void                SetrclBounds(const tools::Rectangle& rRect);
+        void                SetrclFrame(const tools::Rectangle& rRect);
+        void                SetRefPix(const Size& rSize);
+        void                SetRefMill(const Size& rSize);
+
+        void                SetMapMode(MappingMode mnMapMode);
+        void                SetWorldTransform(const XForm& rXForm);
+        void                ModifyWorldTransform(const XForm& rXForm, ModifyWorldTransformMode nMode);
+
+        void                Push();
+        void                Pop( const sal_Int32 nSavedDC = -1 );
+
+        WMFRasterOp         SetRasterOp(WMFRasterOp nRasterOp);
+        void                StrokeAndFillPath(bool bStroke, bool bFill);
+
+        void                SetArcDirection(bool bCounterClockWise);
+        bool                IsArcDirectionClockWise() { return mbClockWiseArcDirection; };
+        void                SetGfxMode(GraphicsMode nGfxMode) { meGfxMode = nGfxMode; };
+        GraphicsMode        GetGfxMode() const { return meGfxMode; };
+        void                SetBkMode(BackgroundMode nMode);
+        void                SetBkColor(const Color& rColor);
+        void                SetTextColor(const Color& rColor);
+        void                SetTextAlign(sal_uInt32 nAlign);
+
+        void                CreateObject(std::unique_ptr<GDIObj> pObject);
+        void                CreateObjectIndexed(sal_uInt32 nIndex, std::unique_ptr<GDIObj> pObject);
+        void                CreateObject();
+
+        void                DeleteObject(sal_uInt32 nIndex);
+        void                SelectObject(sal_uInt32 nIndex);
+        rtl_TextEncoding    GetCharSet() const { return maFont.GetCharSet(); };
+        const vcl::Font&    GetFont() const { return maFont; }
+        void                SetTextLayoutMode(vcl::text::ComplexTextLayoutFlags nLayoutMode);
+
+        void                ClearPath() { maPathObj.Init(); };
+        void                ClosePath() { maPathObj.ClosePath(); };
+        const tools::PolyPolygon& GetPathObj() const { return maPathObj; };
+
+        void                MoveTo(const Point& rPoint, bool bRecordPath = false);
+        void                LineTo(const Point& rPoint, bool bRecordPath = false);
+        void                DrawPixel(const Point& rSource, const Color& rColor);
+        void                DrawRect(const tools::Rectangle& rRect, bool bEdge = true);
+        void                DrawRectWithBGColor(const tools::Rectangle& rRect);
+        void                DrawRoundRect(const tools::Rectangle& rRect, const Size& rSize);
+        void                DrawEllipse(const tools::Rectangle& rRect);
+        void                DrawArc(
+            const tools::Rectangle& rRect,
+            const Point& rStartAngle,
+            const Point& rEndAngle,
+            bool bDrawTo = false
+        );
+        void                DrawPie(
+            const tools::Rectangle& rRect,
+            const Point& rStartAngle,
+            const Point& rEndAngle
+        );
+        void                DrawChord(
+            const tools::Rectangle& rRect,
+            const Point& rStartAngle,
+            const Point& rEndAngle
+        );
+        void                DrawPolygon(tools::Polygon rPolygon, bool bRecordPath);
+        void                DrawPolyPolygon(tools::PolyPolygon& rPolyPolygon, bool bRecordPath = false);
+        void                DrawPolyLine(tools::Polygon rPolygon,
+            bool bDrawTo = false,
+            bool bRecordPath = false
+        );
+        void                DrawPolyBezier(tools::Polygon rPolygon,
+            bool bDrawTo,
+            bool bRecordPath
+        );
+        void                DrawText(Point& rPosition,
+            OUString const & rString,
+            std::vector<sal_Int32>* pDXArry = nullptr,
+            tools::Long* pDYArry = nullptr,
+            bool bRecordPath = false,
+            GraphicsMode nGraphicsMode = GraphicsMode::GM_COMPATIBLE);
+
+        void                ResolveBitmapActions(std::vector<BSaveStruct>& rSaveList);
+
+        void                IntersectClipRect(const tools::Rectangle& rRect);
+        void                ExcludeClipRect(const tools::Rectangle& rRect);
+        void                MoveClipRegion(const Size& rSize);
+        void                SetClipPath(
+            const tools::PolyPolygon& rPolyPoly,
+            RegionMode nClippingMode,
+            bool bIsMapped
+        );
+        void                SetDefaultClipPath();
+        void                UpdateClipRegion();
+        void                AddFromGDIMetaFile(GDIMetaFile& rGDIMetaFile);
+
+        void                PassEMFPlus(void const * pBuffer, sal_uInt32 nLength);
+        void                PassEMFPlusHeaderInfo();
+
+        Color               ReadColor();
+
+        explicit            MtfTools(GDIMetaFile& rGDIMetaFile, SvStream& rStreamWMF);
+        ~MtfTools() COVERITY_NOEXCEPT_FALSE;
+    };
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/emfio/inc/pch/precompiled_emfio.cxx b/emfio/inc/pch/precompiled_emfio.cxx
new file mode 100644
index 000000000..d87142820
--- /dev/null
+++ b/emfio/inc/pch/precompiled_emfio.cxx
@@ -0,0 +1,12 @@
+/* -*- 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/.
+ */
+
+#include "precompiled_emfio.hxx"
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/emfio/inc/pch/precompiled_emfio.hxx b/emfio/inc/pch/precompiled_emfio.hxx
new file mode 100644
index 000000000..4c258670a
--- /dev/null
+++ b/emfio/inc/pch/precompiled_emfio.hxx
@@ -0,0 +1,52 @@
+/* -*- 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 has been autogenerated by update_pch.sh. It is possible to edit it
+ manually (such as when an include file has been moved/renamed/removed). All such
+ manual changes will be rewritten by the next run of update_pch.sh (which presumably
+ also fixes all possible problems, so it's usually better to use it).
+
+ Generated on 2021-03-08 13:13:45 using:
+ ./bin/update_pch emfio emfio --cutoff=8 --exclude:system --exclude:module --include:local
+
+ If after updating build fails, use the following command to locate conflicting headers:
+ ./bin/update_pch_bisect ./emfio/inc/pch/precompiled_emfio.hxx "make emfio.build" --find-conflicts
+*/
+
+#include <sal/config.h>
+#if PCH_LEVEL >= 1
+#include <memory>
+#include <vector>
+#endif // PCH_LEVEL >= 1
+#if PCH_LEVEL >= 2
+#include <osl/diagnose.h>
+#include <osl/endian.h>
+#include <osl/mutex.hxx>
+#include <osl/thread.h>
+#include <rtl/bootstrap.hxx>
+#include <rtl/crc.h>
+#include <rtl/instance.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/string.hxx>
+#include <rtl/tencinfo.h>
+#include <sal/log.hxx>
+#include <sal/macros.h>
+#include <sal/types.h>
+#include <vcl/bitmapex.hxx>
+#include <vcl/dllapi.h>
+#endif // PCH_LEVEL >= 2
+#if PCH_LEVEL >= 3
+#include <salhelper/simplereferenceobject.hxx>
+#include <tools/gen.hxx>
+#endif // PCH_LEVEL >= 3
+#if PCH_LEVEL >= 4
+#endif // PCH_LEVEL >= 4
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/emfio/inc/wmfreader.hxx b/emfio/inc/wmfreader.hxx
new file mode 100644
index 000000000..5c6979550
--- /dev/null
+++ b/emfio/inc/wmfreader.hxx
@@ -0,0 +1,82 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_EMFIO_INC_WMFREADER_HXX
+#define INCLUDED_EMFIO_INC_WMFREADER_HXX
+
+#include "mtftools.hxx"
+#include <tools/stream.hxx>
+
+// predefines
+struct WmfExternal;
+
+namespace emfio
+{
+    class WmfReader : public MtfTools
+    {
+    private:
+        sal_uInt16      mnUnitsPerInch;
+        sal_uInt32      mnRecSize;
+        bool            mbPlaceable;
+
+        // embedded EMF data
+        std::optional<std::vector<sal_uInt8>> mpEMFStream;
+
+        // total number of comment records containing EMF data
+        sal_uInt32      mnEMFRecCount;
+
+        // number of EMF records read
+        sal_uInt32      mnEMFRec;
+
+        // total size of embedded EMF data
+        sal_uInt32      mnEMFSize;
+
+        sal_uInt32      mnSkipActions;
+
+        // eventually handed over external header
+        const WmfExternal* mpExternalHeader;
+
+        bool mbEnableEMFPlus = true;
+
+        // reads header of the WMF-Datei
+        bool            ReadHeader();
+
+        // reads parameters of the record with the functionnumber nFunction.
+        void            ReadRecordParams(sal_uInt32 nRecordSize, sal_uInt16 nFunction);
+
+        Point           ReadPoint();                // reads and converts a point (first X then Y)
+        Point           ReadYX();                   // reads and converts a point (first Y then X)
+        tools::Rectangle       ReadRectangle();            // reads and converts a rectangle
+        Size            ReadYXExt();
+        void            GetPlaceableBound(tools::Rectangle& rSize, SvStream* pStrm);
+
+    public:
+        WmfReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile, const WmfExternal* pExternalHeader);
+
+        // read WMF file from stream and fill the GDIMetaFile
+        void ReadWMF();
+
+        // Allows disabling EMF+ if EMF is embedded in this WMF.
+        void SetEnableEMFPlus(bool bEnableEMFPlus) { mbEnableEMFPlus = bEnableEMFPlus; }
+    };
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */