1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
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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
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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 #ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFREPRD_HXX
21 #define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFREPRD_HXX
22
23 #include "dxfblkrd.hxx"
24 #include "dxftblrd.hxx"
25 #include <array>
26 #include <string_view>
27
28 //--------------------Other stuff---------------------------------------------
29
30
31 //-------------------A 3D-Min/Max-Box-----------------------------------------
32
33 class DXFBoundingBox {
34 public:
35 bool bEmpty;
36 double fMinX;
37 double fMinY;
38 double fMinZ;
39 double fMaxX;
40 double fMaxY;
41 double fMaxZ;
42
DXFBoundingBox()43 DXFBoundingBox():bEmpty(true), fMinX(0.0), fMinY(0.0), fMinZ(0.0), fMaxX(0.0), fMaxY(0.0), fMaxZ(0.0) {}
44 void Union(const DXFVector & rVector);
45 };
46
47
48 //-------------------The (constant) palette for DXF-------------------------
49
50 class DXFPalette {
51
52 public:
53
54 DXFPalette();
55 ~DXFPalette();
56
57 sal_uInt8 GetRed(sal_uInt8 nIndex) const;
58 sal_uInt8 GetGreen(sal_uInt8 nIndex) const;
59 sal_uInt8 GetBlue(sal_uInt8 nIndex) const;
60
61 private:
62 std::array<sal_uInt8, 256> pRed;
63 std::array<sal_uInt8, 256> pGreen;
64 std::array<sal_uInt8, 256> pBlue;
65 void SetColor(sal_uInt8 nIndex, sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue);
66 };
67
68
69 //-----------------read and represent DXF file--------------------------------
70
71
72 class DXFRepresentation {
73
74 public:
75
76 DXFPalette aPalette;
77 // The always equal DXF color palette
78
79 DXFBoundingBox aBoundingBox;
80 // is equal to the AutoCAD variables EXTMIN, EXTMAX if those exist
81 // within the DXF file. Otherwise the BoundingBox gets calculated (in Read())
82
83 DXFTables aTables;
84 // the tables of the DXF file
85
86 DXFBlocks aBlocks;
87 // the blocks of the DXF file
88
89 DXFEntities aEntities;
90 // the entities (from the Entities-Section) of the DXF file
91
92 rtl_TextEncoding mEnc; // $DWGCODEPAGE
93
94 double mfGlobalLineTypeScale; // $LTSCALE
95
96 bool mbInCalc; // guard for self-recursive bounding box calc
97
98 DXFRepresentation();
99 ~DXFRepresentation();
100
101 rtl_TextEncoding getTextEncoding() const;
setTextEncoding(rtl_TextEncoding aEnc)102 void setTextEncoding(rtl_TextEncoding aEnc) { mEnc = aEnc; }
103 OUString ToOUString(std::string_view s) const;
104
getGlobalLineTypeScale() const105 double getGlobalLineTypeScale() const { return mfGlobalLineTypeScale; }
setGlobalLineTypeScale(double fGlobalLineTypeScale)106 void setGlobalLineTypeScale(double fGlobalLineTypeScale) { mfGlobalLineTypeScale = fGlobalLineTypeScale; }
107
108 bool Read( SvStream & rIStream );
109 // Reads complete DXF file.
110
111 private:
112 void ReadHeader(DXFGroupReader & rDGR);
113 void CalcBoundingBox(const DXFEntities & rEntities,
114 DXFBoundingBox & rBox);
115
isTextEncodingSet() const116 bool isTextEncodingSet() const { return mEnc != RTL_TEXTENCODING_DONTKNOW; }
117 };
118
119
120 //-------------------inlines--------------------------------------------------
121
122
GetRed(sal_uInt8 nIndex) const123 inline sal_uInt8 DXFPalette::GetRed(sal_uInt8 nIndex) const { return pRed[nIndex]; }
GetGreen(sal_uInt8 nIndex) const124 inline sal_uInt8 DXFPalette::GetGreen(sal_uInt8 nIndex) const { return pGreen[nIndex]; }
GetBlue(sal_uInt8 nIndex) const125 inline sal_uInt8 DXFPalette::GetBlue(sal_uInt8 nIndex) const { return pBlue[nIndex]; }
126
127 #endif
128
129
130 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
131