70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef DRACO_IO_PLY_DECODER_H_
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#define DRACO_IO_PLY_DECODER_H_
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#include <string>
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#include "draco/core/decoder_buffer.h"
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#include "draco/core/status.h"
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#include "draco/draco_features.h"
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#include "draco/io/ply_reader.h"
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#include "draco/mesh/mesh.h"
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namespace draco {
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// Decodes a PLY file into draco::Mesh (or draco::PointCloud if the
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// connectivity data is not needed).
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// TODO(b/34330853): The current implementation assumes that the input vertices
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// are defined with x, y, z properties. The decoder also reads uint8 red, green,
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// blue, alpha color information, float32 defined as nx, ny, nz properties, but
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// all other attributes are ignored for now.
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class PlyDecoder {
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public:
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PlyDecoder();
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// Decodes an obj file stored in the input file.
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Status DecodeFromFile(const std::string &file_name, Mesh *out_mesh);
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Status DecodeFromFile(const std::string &file_name,
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PointCloud *out_point_cloud);
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Status DecodeFromBuffer(DecoderBuffer *buffer, Mesh *out_mesh);
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Status DecodeFromBuffer(DecoderBuffer *buffer, PointCloud *out_point_cloud);
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protected:
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Status DecodeInternal();
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DecoderBuffer *buffer() { return &buffer_; }
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private:
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Status DecodeFaceData(const PlyElement *face_element);
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Status DecodeVertexData(const PlyElement *vertex_element);
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template <typename DataTypeT>
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bool ReadPropertiesToAttribute(
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const std::vector<const PlyProperty *> &properties,
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PointAttribute *attribute, int num_vertices);
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DecoderBuffer buffer_;
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// Data structure that stores the decoded data. |out_point_cloud_| must be
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// always set but |out_mesh_| is optional.
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Mesh *out_mesh_;
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PointCloud *out_point_cloud_;
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};
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} // namespace draco
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#endif // DRACO_IO_PLY_DECODER_H_
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