font_style.hpp

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// Copyright Take Vos 2023.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include "../utility/utility.hpp"
#include "../coroutine/module.hpp"
 
hi_export_module(hikogui.font.font_style);
 
namespace hi {
inline namespace v1 {
 
hi_export enum class font_style {
    normal = 0,
 
    italic = 1,
 
    oblique = 1
};
 
// clang-format off
constexpr auto font_style_metadata = enum_metadata{
    font_style::normal, "normal",
    font_style::italic, "italic",
};
// clang-format on
 
hi_export [[nodiscard]] inline generator<font_style> alternatives(font_style start) noexcept
{
    if (start == font_style::normal) {
        co_yield font_style::normal;
        co_yield font_style::italic;
    } else {
        co_yield font_style::italic;
        co_yield font_style::normal;
    }
}
 
}}