BarcodeFormats.h

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#pragma once
 
#include <cstdint>
#include <type_traits>
 
namespace Zivid
{
    namespace Experimental
    {
        namespace Toolbox
        {
            enum class LinearBarcodeFormat : uint32_t
            {
                code128 = (1 << 0),
                code93 = (1 << 1),
                code39 = (1 << 2),
                ean13 = (1 << 3),
                ean8 = (1 << 4),
                upcA = (1 << 5),
                upcE = (1 << 6),
                itf = (1 << 7),
            };

            enum class MatrixBarcodeFormat : uint32_t
            {
                qrcode = (1 << 0),
                dataMatrix = (1 << 1),
            };

            template<typename FormatEnum>
            class BarcodeFormatFilter
            {
            public:
                static_assert(
                    std::is_same_v<FormatEnum, LinearBarcodeFormat> || std::is_same_v<FormatEnum, MatrixBarcodeFormat>);
 
                using Enum = FormatEnum;
                using UnderlyingInt = std::underlying_type_t<FormatEnum>;

                static constexpr BarcodeFormatFilter all()
                {
                    return BarcodeFormatFilter{ ~UnderlyingInt{ 0 } };
                }

                constexpr bool has(FormatEnum enumVal) const
                {
                    return (m_value & static_cast<UnderlyingInt>(enumVal)) != 0;
                }
 
                constexpr BarcodeFormatFilter(FormatEnum enumVal)
                    : m_value{ static_cast<UnderlyingInt>(enumVal) }
                {}
 
                constexpr BarcodeFormatFilter operator|(FormatEnum other) const
                {
                    return BarcodeFormatFilter{ m_value | static_cast<UnderlyingInt>(other) };
                }
 
                constexpr BarcodeFormatFilter operator|(BarcodeFormatFilter other) const
                {
                    return BarcodeFormatFilter{ m_value | other.m_value };
                }
 
            private:
                constexpr BarcodeFormatFilter() = default;
 
                constexpr explicit BarcodeFormatFilter(UnderlyingInt value)
                    : m_value{ value }
                {}
 
                UnderlyingInt m_value{ 0 };
            };
 
            constexpr BarcodeFormatFilter<LinearBarcodeFormat> operator|(
                LinearBarcodeFormat lhs,
                LinearBarcodeFormat rhs)
            {
                return BarcodeFormatFilter<LinearBarcodeFormat>{ lhs } | rhs;
            }
 
            constexpr BarcodeFormatFilter<LinearBarcodeFormat> operator|(
                LinearBarcodeFormat lhs,
                BarcodeFormatFilter<LinearBarcodeFormat> rhs)
            {
                return rhs | lhs;
            }
 
            constexpr BarcodeFormatFilter<MatrixBarcodeFormat> operator|(
                MatrixBarcodeFormat lhs,
                MatrixBarcodeFormat rhs)
            {
                return BarcodeFormatFilter<MatrixBarcodeFormat>{ lhs } | rhs;
            }
 
            constexpr BarcodeFormatFilter<MatrixBarcodeFormat> operator|(
                MatrixBarcodeFormat lhs,
                BarcodeFormatFilter<MatrixBarcodeFormat> rhs)
            {
                return rhs | lhs;
            }

            using LinearBarcodeFormatFilter = BarcodeFormatFilter<LinearBarcodeFormat>;

            using MatrixBarcodeFormatFilter = BarcodeFormatFilter<MatrixBarcodeFormat>;
 
        } // namespace Toolbox
    } // namespace Experimental
} // namespace Zivid