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extern/gltf-draco/draco/src/draco/io/ply_decoder.h
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| // Copyright 2016 The Draco Authors. | |||||
| // | |||||
| // Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| // you may not use this file except in compliance with the License. | |||||
| // You may obtain a copy of the License at | |||||
| // | |||||
| // http://www.apache.org/licenses/LICENSE-2.0 | |||||
| // | |||||
| // Unless required by applicable law or agreed to in writing, software | |||||
| // distributed under the License is distributed on an "AS IS" BASIS, | |||||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| // See the License for the specific language governing permissions and | |||||
| // limitations under the License. | |||||
| // | |||||
| #ifndef DRACO_IO_MESH_PLY_DECODER_H_ | |||||
| #define DRACO_IO_MESH_PLY_DECODER_H_ | |||||
| #include <string> | |||||
| #include "draco/draco_features.h" | |||||
| #include "draco/core/decoder_buffer.h" | |||||
| #include "draco/io/ply_reader.h" | |||||
| #include "draco/mesh/mesh.h" | |||||
| namespace draco { | |||||
| // Decodes a Wavefront OBJ file into draco::Mesh (or draco::PointCloud if the | |||||
| // connectivity data is not needed). | |||||
| // TODO(ostava): The current implementation assumes that the input vertices are | |||||
| // defined with x, y, z properties. The decoder also reads uint8 red, green, | |||||
| // blue, alpha color information, but all other attributes are ignored for now. | |||||
| class PlyDecoder { | |||||
| public: | |||||
| PlyDecoder(); | |||||
| // Decodes an obj file stored in the input file. | |||||
| // Returns nullptr if the decoding failed. | |||||
| bool DecodeFromFile(const std::string &file_name, Mesh *out_mesh); | |||||
| bool DecodeFromFile(const std::string &file_name, | |||||
| PointCloud *out_point_cloud); | |||||
| bool DecodeFromBuffer(DecoderBuffer *buffer, Mesh *out_mesh); | |||||
| bool DecodeFromBuffer(DecoderBuffer *buffer, PointCloud *out_point_cloud); | |||||
| protected: | |||||
| bool DecodeInternal(); | |||||
| DecoderBuffer *buffer() { return &buffer_; } | |||||
| private: | |||||
| bool DecodeFaceData(const PlyElement *face_element); | |||||
| bool DecodeVertexData(const PlyElement *vertex_element); | |||||
| template <typename DataTypeT> | |||||
| bool ReadPropertiesToAttribute( | |||||
| const std::vector<const PlyProperty *> &properties, | |||||
| PointAttribute *attribute, int num_vertices); | |||||
| DecoderBuffer buffer_; | |||||
| // Data structure that stores the decoded data. |out_point_cloud_| must be | |||||
| // always set but |out_mesh_| is optional. | |||||
| Mesh *out_mesh_; | |||||
| PointCloud *out_point_cloud_; | |||||
| }; | |||||
| } // namespace draco | |||||
| #endif // DRACO_IO_MESH_PLY_DECODER_H_ | |||||