color.hpp

// DO NOT EDIT! This file was auto-generated by crates/build/re_types_builder/src/codegen/cpp/mod.rs
// Based on "crates/store/re_types/definitions/rerun/components/color.fbs".
 
#pragma once
 
#include "../component_descriptor.hpp"
#include "../datatypes/rgba32.hpp"
#include "../result.hpp"
 
#include <cstdint>
#include <memory>
 
namespace rerun::components {
    /// **Component**: An RGBA color with unmultiplied/separate alpha, in sRGB gamma space with linear alpha.
    ///
    /// The color is stored as a 32-bit integer, where the most significant
    /// byte is `R` and the least significant byte is `A`.
    struct Color {
        rerun::datatypes::Rgba32 rgba;
 
      public: // START of extensions from color_ext.cpp:
        /// Construct Color from unmultiplied RGBA values.
        Color(uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255) : rgba(r, g, b, a) {}
 
        uint8_t r() const {
            return rgba.r();
        }
 
        uint8_t g() const {
            return rgba.g();
        }
 
        uint8_t b() const {
            return rgba.b();
        }
 
        uint8_t a() const {
            return rgba.a();
        }
 
        // END of extensions from color_ext.cpp, start of generated code:
 
      public:
        Color() = default;
 
        Color(rerun::datatypes::Rgba32 rgba_) : rgba(rgba_) {}
 
        Color& operator=(rerun::datatypes::Rgba32 rgba_) {
            rgba = rgba_;
            return *this;
        }
 
        Color(uint32_t rgba_) : rgba(rgba_) {}
 
        Color& operator=(uint32_t rgba_) {
            rgba = rgba_;
            return *this;
        }
 
        /// Cast to the underlying Rgba32 datatype
        operator rerun::datatypes::Rgba32() const {
            return rgba;
        }
    };
} // namespace rerun::components
 
namespace rerun {
    static_assert(sizeof(rerun::datatypes::Rgba32) == sizeof(components::Color));
 
    /// \private
    template <>
    struct Loggable<components::Color> {
        static constexpr ComponentDescriptor Descriptor = "rerun.components.Color";
 
        /// Returns the arrow data type this type corresponds to.
        static const std::shared_ptr<arrow::DataType>& arrow_datatype() {
            return Loggable<rerun::datatypes::Rgba32>::arrow_datatype();
        }
 
        /// Serializes an array of `rerun::components::Color` into an arrow array.
        static Result<std::shared_ptr<arrow::Array>> to_arrow(
            const components::Color* instances, size_t num_instances
        ) {
            if (num_instances == 0) {
                return Loggable<rerun::datatypes::Rgba32>::to_arrow(nullptr, 0);
            } else if (instances == nullptr) {
                return rerun::Error(
                    ErrorCode::UnexpectedNullArgument,
                    "Passed array instances is null when num_elements> 0."
                );
            } else {
                return Loggable<rerun::datatypes::Rgba32>::to_arrow(
                    &instances->rgba,
                    num_instances
                );
            }
        }
    };
} // namespace rerun