ImageTmpl.h

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// Copyright (c) 2026 Computer Vision Center (CVC) at the Universitat Autonoma
// de Barcelona (UAB).
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#pragma once
 
#include "carla/Debug.h"
#include "carla/sensor/data/Array.h"
#include "carla/sensor/s11n/ImageSerializer.h"
#include "carla/sensor/s11n/OpticalFlowImageSerializer.h"
#include "carla/sensor/s11n/GBufferUint8Serializer.h"
#include "carla/sensor/s11n/GBufferFloatSerializer.h"
#include "carla/sensor/s11n/NormalsImageSerializer.h"
#include "carla/sensor/s11n/DistanceImageSerializer.h"
#include "carla/ros2/ROS2.h"
 
namespace carla {
namespace sensor {
namespace data {
 
  /// Templated image for any type of pixel.
  template <typename PixelT>
  class ImageTmpl : public Array<PixelT> {
    using Super = Array<PixelT>;
    friend class carla::ros2::ROS2;
  protected:
 
    using Serializer = s11n::ImageSerializer;
    using SerializerOpticalFlow = s11n::OpticalFlowImageSerializer;
    using SerializerNormals = s11n::NormalsImageSerializer;
 
    friend Serializer;
    friend SerializerOpticalFlow;
    friend s11n::GBufferUint8Serializer;
    friend s11n::GBufferFloatSerializer;
    friend SerializerNormals;
    friend s11n::DistanceImageSerializer;
 
    explicit ImageTmpl(RawData &&data)
      : Super(Serializer::header_offset, std::move(data)) {
      DEBUG_ASSERT(GetWidth() * GetHeight() == Super::size());
    }
 
  private:
 
    const auto &GetHeader() const {
      return Serializer::DeserializeHeader(Super::GetRawData());
    }
 
  public:
 
    using pixel_type = PixelT;
 
    /// Get image width in pixels.
    auto GetWidth() const {
      return GetHeader().width;
    }
 
    /// Get image height in pixels.
    auto GetHeight() const {
      return GetHeader().height;
    }
 
    /// Get horizontal field of view of the image in degrees.
    auto GetFOVAngle() const {
      return GetHeader().fov_angle;
    }
  };
 
} // namespace data
} // namespace sensor
} // namespace carla