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 PLYLoader.h 43 * @brief Declaration of the .ply importer class. 44 */ 45 #ifndef AI_PLYLOADER_H_INCLUDED 46 #define AI_PLYLOADER_H_INCLUDED 47 48 #include "BaseImporter.h" 49 #include <assimp/types.h> 50 #include "PlyParser.h" 51 #include <vector> 52 53 struct aiNode; 54 struct aiMaterial; 55 struct aiMesh; 56 57 namespace Assimp { 58 59 60 using namespace PLY; 61 62 // --------------------------------------------------------------------------- 63 /** Importer class to load the stanford PLY file format 64 */ 65 class PLYImporter : public BaseImporter 66 { 67 public: 68 PLYImporter(); 69 ~PLYImporter(); 70 71 public: 72 73 // ------------------------------------------------------------------- 74 /** Returns whether the class can handle the format of the given file. 75 * See BaseImporter::CanRead() for details. 76 */ 77 bool CanRead( const std::string& pFile, IOSystem* pIOHandler, 78 bool checkSig) const; 79 80 // ------------------------------------------------------------------- 81 /** Extract a vertex from the DOM 82 */ 83 void LoadVertex(const PLY::Element* pcElement, const PLY::ElementInstance* instElement, unsigned int pos); 84 85 // ------------------------------------------------------------------- 86 /** Extract a face from the DOM 87 */ 88 void LoadFace(const PLY::Element* pcElement, const PLY::ElementInstance* instElement, unsigned int pos); 89 90 protected: 91 92 // ------------------------------------------------------------------- 93 /** Return importer meta information. 94 * See #BaseImporter::GetInfo for the details 95 */ 96 const aiImporterDesc* GetInfo () const; 97 98 // ------------------------------------------------------------------- 99 /** Imports the given file into the given scene structure. 100 * See BaseImporter::InternReadFile() for details 101 */ 102 void InternReadFile( const std::string& pFile, aiScene* pScene, 103 IOSystem* pIOHandler); 104 105 protected: 106 // ------------------------------------------------------------------- 107 /** Extract a material list from the DOM 108 */ 109 void LoadMaterial(std::vector<aiMaterial*>* pvOut, std::string &defaultTexture, const bool pointsOnly); 110 111 // ------------------------------------------------------------------- 112 /** Static helper to parse a color from four single channels in 113 */ 114 static void GetMaterialColor( 115 const std::vector<PLY::PropertyInstance>& avList, 116 unsigned int aiPositions[4], 117 PLY::EDataType aiTypes[4], 118 aiColor4D* clrOut); 119 120 // ------------------------------------------------------------------- 121 /** Static helper to parse a color channel value. The input value 122 * is normalized to 0-1. 123 */ 124 static ai_real NormalizeColorValue ( 125 PLY::PropertyInstance::ValueUnion val, 126 PLY::EDataType eType); 127 128 /** Buffer to hold the loaded file */ 129 unsigned char* mBuffer; 130 131 /** Document object model representation extracted from the file */ 132 PLY::DOM* pcDOM; 133 134 /** Mesh generated by loader */ 135 aiMesh* mGeneratedMesh; 136 }; 137 138 } // end of namespace Assimp 139 140 #endif // AI_3DSIMPORTER_H_INC 141