Program Listing for File draco_publisher.hpp

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// Copyright (c) 2023, Open Source Robotics Foundation, Inc.
// Copyright (c) 2023, Czech Technical University in Prague
// Copyright (c) 2019, paplhjak
//
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#ifndef DRACO_POINT_CLOUD_TRANSPORT__DRACO_PUBLISHER_HPP_
#define DRACO_POINT_CLOUD_TRANSPORT__DRACO_PUBLISHER_HPP_

#include <draco/point_cloud/point_cloud.h>

#include <memory>
#include <string>

#include <sensor_msgs/msg/point_cloud2.hpp>

#include <point_cloud_transport/simple_publisher_plugin.hpp>

#include <point_cloud_interfaces/msg/compressed_point_cloud2.hpp>

namespace draco_point_cloud_transport
{

class DracoPublisher
  : public point_cloud_transport::SimplePublisherPlugin<
    point_cloud_interfaces::msg::CompressedPointCloud2>
{
public:
  std::string getTransportName() const override;

  void declareParameters(const std::string & base_topic) override;

  std::string getDataType() const override
  {
    return "point_cloud_interfaces/msg/CompressedPointCloud2";
  }

  TypedEncodeResult encodeTyped(const sensor_msgs::msg::PointCloud2 & raw) const override;

  static void registerPositionField(const std::string & field);
  static void registerColorField(const std::string & field);
  static void registerNormalField(const std::string & field);

private:
  tl::expected<std::unique_ptr<draco::PointCloud>, std::string> convertPC2toDraco(
    const sensor_msgs::msg::PointCloud2 & PC2, const std::string & topic, bool deduplicate,
    bool expert_encoding) const;

  class DracoPublisherConfig
  {
public:
    int encode_speed = 7;
    int decode_speed = 7;
    int encode_method = 0;
    bool deduplicate = true;
    bool force_quantization = false;
    int quantization_POSITION = 14;
    int quantization_NORMAL = 14;
    int quantization_COLOR = 14;
    int quantization_TEX_COORD = 14;
    int quantization_GENERIC = 14;
    bool expert_quantization = false;
    bool expert_attribute_types = false;
  };

  DracoPublisherConfig config_;
};
}  // namespace draco_point_cloud_transport

#endif  // DRACO_POINT_CLOUD_TRANSPORT__DRACO_PUBLISHER_HPP_