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diff --git a/vcl/source/filter/idxf/dxfreprd.hxx b/vcl/source/filter/idxf/dxfreprd.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 .
+ */
+
+#ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFREPRD_HXX
+#define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFREPRD_HXX
+
+#include "dxfblkrd.hxx"
+#include "dxftblrd.hxx"
+#include <array>
+#include <string_view>
+
+//--------------------Other stuff---------------------------------------------
+
+
+//-------------------A 3D-Min/Max-Box-----------------------------------------
+
+class DXFBoundingBox {
+public:
+    bool bEmpty;
+    double fMinX;
+    double fMinY;
+    double fMinZ;
+    double fMaxX;
+    double fMaxY;
+    double fMaxZ;
+
+    DXFBoundingBox():bEmpty(true), fMinX(0.0), fMinY(0.0), fMinZ(0.0), fMaxX(0.0), fMaxY(0.0), fMaxZ(0.0) {}
+    void Union(const DXFVector & rVector);
+};
+
+
+//-------------------The (constant) palette for DXF-------------------------
+
+class DXFPalette {
+
+public:
+
+    DXFPalette();
+    ~DXFPalette();
+
+    sal_uInt8 GetRed(sal_uInt8 nIndex) const;
+    sal_uInt8 GetGreen(sal_uInt8 nIndex) const;
+    sal_uInt8 GetBlue(sal_uInt8 nIndex) const;
+
+private:
+    std::array<sal_uInt8, 256> pRed;
+    std::array<sal_uInt8, 256> pGreen;
+    std::array<sal_uInt8, 256> pBlue;
+    void SetColor(sal_uInt8 nIndex, sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue);
+};
+
+
+//-----------------read and represent DXF file--------------------------------
+
+
+class DXFRepresentation {
+
+public:
+
+    DXFPalette aPalette;
+        // The always equal DXF color palette
+
+    DXFBoundingBox aBoundingBox;
+        // is equal to the AutoCAD variables EXTMIN, EXTMAX if those exist
+        // within the DXF file. Otherwise the BoundingBox gets calculated (in Read())
+
+    DXFTables aTables;
+        // the tables of the DXF file
+
+    DXFBlocks aBlocks;
+        // the blocks of the DXF file
+
+    DXFEntities aEntities;
+        // the entities (from the Entities-Section) of the DXF file
+
+    rtl_TextEncoding mEnc;  // $DWGCODEPAGE
+
+    double mfGlobalLineTypeScale; // $LTSCALE
+
+    bool mbInCalc;  // guard for self-recursive bounding box calc
+
+    DXFRepresentation();
+    ~DXFRepresentation();
+
+    rtl_TextEncoding getTextEncoding() const;
+    void setTextEncoding(rtl_TextEncoding aEnc) { mEnc = aEnc; }
+    OUString ToOUString(std::string_view s) const;
+
+    double getGlobalLineTypeScale() const { return mfGlobalLineTypeScale; }
+    void setGlobalLineTypeScale(double fGlobalLineTypeScale) { mfGlobalLineTypeScale = fGlobalLineTypeScale; }
+
+    bool Read( SvStream & rIStream );
+        // Reads complete DXF file.
+
+private:
+    void ReadHeader(DXFGroupReader & rDGR);
+    void CalcBoundingBox(const DXFEntities & rEntities,
+                         DXFBoundingBox & rBox);
+
+    bool isTextEncodingSet() const { return mEnc != RTL_TEXTENCODING_DONTKNOW; }
+};
+
+
+//-------------------inlines--------------------------------------------------
+
+
+inline sal_uInt8 DXFPalette::GetRed(sal_uInt8 nIndex) const { return pRed[nIndex]; }
+inline sal_uInt8 DXFPalette::GetGreen(sal_uInt8 nIndex) const { return pGreen[nIndex]; }
+inline sal_uInt8 DXFPalette::GetBlue(sal_uInt8 nIndex) const { return pBlue[nIndex]; }
+
+#endif
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */