utility.hpp

// 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 "../win32_headers.hpp"
#include "../macros.hpp"
#include <utility>
#include <cstdint>
#include <Windows.h>
 
hi_export_module(hikogui.win32 : utility);
 
hi_export namespace hi { inline namespace v1 {
 
[[nodiscard]] inline uint32_t win32_HANDLE_to_int(HANDLE handle) noexcept
{
    auto i = std::bit_cast<uintptr_t>(handle);
    if (std::cmp_greater(i, std::numeric_limits<uint32_t>::max())) {
        std::terminate();
    }
    return static_cast<uint32_t>(i);
}
 
[[nodiscard]] inline HANDLE win32_int_to_HANDLE(uint32_t i) noexcept
{
    return std::bit_cast<HANDLE>(static_cast<uintptr_t>(i));
}
 
}} // namespace hi::v1