vcl/source/filter/idxf/dxfreprd.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include "dxfblkrd.hxx"
  23 #include "dxftblrd.hxx"
  24 #include <array>
  25 #include <string_view>
  26
  27 //--------------------Other stuff---------------------------------------------
  28
  29
  30 //-------------------A 3D-Min/Max-Box-----------------------------------------
  31
  32 class DXFBoundingBox {
  33 public:
  34     bool bEmpty;
  35     double fMinX;
  36     double fMinY;
  37     double fMinZ;
  38     double fMaxX;
  39     double fMaxY;
  40     double fMaxZ;
  41
  42     DXFBoundingBox():bEmpty(true), fMinX(0.0), fMinY(0.0), fMinZ(0.0), fMaxX(0.0), fMaxY(0.0), fMaxZ(0.0) {}
  43     void Union(const DXFVector & rVector);
  44 };
  45
  46
  47 //-------------------The (constant) palette for DXF-------------------------
  48
  49 class DXFPalette {
  50
  51 public:
  52
  53     DXFPalette();
  54
  55     sal_uInt8 GetRed(sal_uInt8 nIndex) const;
  56     sal_uInt8 GetGreen(sal_uInt8 nIndex) const;
  57     sal_uInt8 GetBlue(sal_uInt8 nIndex) const;
  58
  59 private:
  60     std::array<sal_uInt8, 256> pRed;
  61     std::array<sal_uInt8, 256> pGreen;
  62     std::array<sal_uInt8, 256> pBlue;
  63     void SetColor(sal_uInt8 nIndex, sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue);
  64 };
  65
  66
  67 //-----------------read and represent DXF file--------------------------------
  68
  69
  70 class DXFRepresentation {
  71
  72 public:
  73
  74     DXFPalette aPalette;
  75         // The always equal DXF color palette
  76
  77     DXFBoundingBox aBoundingBox;
  78         // is equal to the AutoCAD variables EXTMIN, EXTMAX if those exist
  79         // within the DXF file. Otherwise the BoundingBox gets calculated (in Read())
  80
  81     DXFTables aTables;
  82         // the tables of the DXF file
  83
  84     DXFBlocks aBlocks;
  85         // the blocks of the DXF file
  86
  87     DXFEntities aEntities;
  88         // the entities (from the Entities-Section) of the DXF file
  89
  90     rtl_TextEncoding mEnc;  // $DWGCODEPAGE
  91
  92     double mfGlobalLineTypeScale; // $LTSCALE
  93
  94     bool mbInCalc;  // guard for self-recursive bounding box calc
  95
  96     DXFRepresentation();
  97     ~DXFRepresentation();
  98
  99     rtl_TextEncoding getTextEncoding() const;
 100     void setTextEncoding(rtl_TextEncoding aEnc) { mEnc = aEnc; }
 101     OUString ToOUString(std::string_view s) const;
 102
 103     double getGlobalLineTypeScale() const { return mfGlobalLineTypeScale; }
 104     void setGlobalLineTypeScale(double fGlobalLineTypeScale) { mfGlobalLineTypeScale = fGlobalLineTypeScale; }
 105
 106     bool Read( SvStream & rIStream );
 107         // Reads complete DXF file.
 108
 109 private:
 110     void ReadHeader(DXFGroupReader & rDGR);
 111     void CalcBoundingBox(const DXFEntities & rEntities,
 112                          DXFBoundingBox & rBox);
 113
 114     bool isTextEncodingSet() const { return mEnc != RTL_TEXTENCODING_DONTKNOW; }
 115 };
 116
 117
 118 //-------------------inlines--------------------------------------------------
 119
 120
 121 inline sal_uInt8 DXFPalette::GetRed(sal_uInt8 nIndex) const { return pRed[nIndex]; }
 122 inline sal_uInt8 DXFPalette::GetGreen(sal_uInt8 nIndex) const { return pGreen[nIndex]; }
 123 inline sal_uInt8 DXFPalette::GetBlue(sal_uInt8 nIndex) const { return pBlue[nIndex]; }
 124
 125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */