1 /* 2 Open Asset Import Library (assimp) 3 ---------------------------------------------------------------------- 4 5 Copyright (c) 2006-2017, assimp team 6 7 All rights reserved. 8 9 Redistribution and use of this software in source and binary forms, 10 with or without modification, are permitted provided that the 11 following 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 27 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 30 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 32 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 33 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 34 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 35 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 36 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 37 OF 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 51 namespace 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 */ 68 class DXFImporter : public BaseImporter 69 { 70 public: 71 DXFImporter(); 72 ~DXFImporter(); 73 74 75 76 public: 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 84 protected: 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 98 private: 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