1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2017, assimp team
6
7All rights reserved.
8
9Redistribution and use of this software in source and binary forms,
10with or without modification, are permitted provided that the
11following conditions are met:
12
13* Redistributions of source code must retain the above
14 copyright notice, this list of conditions and the
15 following disclaimer.
16
17* Redistributions in binary form must reproduce the above
18 copyright notice, this list of conditions and the
19 following disclaimer in the documentation and/or other
20 materials provided with the distribution.
21
22* Neither the name of the assimp team, nor the names of its
23 contributors may be used to endorse or promote products
24 derived from this software without specific prior
25 written permission of the assimp team.
26
27THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38
39----------------------------------------------------------------------
40*/
41
42/** @file DXFLoader.h
43 * @brief Declaration of the .dxf importer class.
44 */
45#ifndef AI_DXFLOADER_H_INCLUDED
46#define AI_DXFLOADER_H_INCLUDED
47
48#include "BaseImporter.h"
49#include <map>
50
51namespace Assimp {
52 namespace DXF {
53
54 class LineReader;
55 struct FileData;
56 struct PolyLine;
57 struct Block;
58 struct InsertBlock;
59
60 typedef std::map<std::string, const DXF::Block*> BlockMap;
61 }
62
63
64// ---------------------------------------------------------------------------
65/** DXF importer implementation.
66 *
67*/
68class DXFImporter : public BaseImporter
69{
70public:
71 DXFImporter();
72 ~DXFImporter();
73
74
75
76public:
77
78 // -------------------------------------------------------------------
79 /** Returns whether the class can handle the format of the given file.
80 * See BaseImporter::CanRead() for details. */
81 bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
82 bool checkSig) const;
83
84protected:
85
86 // -------------------------------------------------------------------
87 /** Return importer meta information.
88 * See #BaseImporter::GetInfo for the details*/
89 const aiImporterDesc* GetInfo () const;
90
91 // -------------------------------------------------------------------
92 /** Imports the given file into the given scene structure.
93 * See BaseImporter::InternReadFile() for details */
94 void InternReadFile( const std::string& pFile,
95 aiScene* pScene,
96 IOSystem* pIOHandler);
97
98private:
99
100 // -----------------------------------------------------
101 void SkipSection(DXF::LineReader& reader);
102
103 // -----------------------------------------------------
104 void ParseHeader(DXF::LineReader& reader,
105 DXF::FileData& output);
106
107 // -----------------------------------------------------
108 void ParseEntities(DXF::LineReader& reader,
109 DXF::FileData& output);
110
111 // -----------------------------------------------------
112 void ParseBlocks(DXF::LineReader& reader,
113 DXF::FileData& output);
114
115 // -----------------------------------------------------
116 void ParseBlock(DXF::LineReader& reader,
117 DXF::FileData& output);
118
119 // -----------------------------------------------------
120 void ParseInsertion(DXF::LineReader& reader,
121 DXF::FileData& output);
122
123 // -----------------------------------------------------
124 void ParsePolyLine(DXF::LineReader& reader,
125 DXF::FileData& output);
126
127 // -----------------------------------------------------
128 void ParsePolyLineVertex(DXF::LineReader& reader,
129 DXF::PolyLine& line);
130
131 // -----------------------------------------------------
132 void Parse3DFace(DXF::LineReader& reader,
133 DXF::FileData& output);
134
135 // -----------------------------------------------------
136 void ConvertMeshes(aiScene* pScene,
137 DXF::FileData& output);
138
139 // -----------------------------------------------------
140 void GenerateHierarchy(aiScene* pScene,
141 DXF::FileData& output);
142
143 // -----------------------------------------------------
144 void GenerateMaterials(aiScene* pScene,
145 DXF::FileData& output);
146
147 // -----------------------------------------------------
148 void ExpandBlockReferences(DXF::Block& bl,
149 const DXF::BlockMap& blocks_by_name);
150};
151
152} // end of namespace Assimp
153
154#endif // AI_3DSIMPORTER_H_INC
155