46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/*
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* Platform Abstraction
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* Nana C++ Library(http://www.nanapro.org)
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* Copyright(C) 2017 Jinhao(cnjinhao@hotmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* @file: nana/detail/platform_spec.hpp
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*
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* The platform_abstraction provides some functions and types for the abstract
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* system platform.
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*/
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#ifndef NANA_DETAIL_PLATFORM_ABSTRACTION_HEADER_INCLUDED
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#define NANA_DETAIL_PLATFORM_ABSTRACTION_HEADER_INCLUDED
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#include "platform_abstraction_types.hpp"
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#include <memory>
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#include <nana/filesystem/filesystem.hpp>
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namespace nana
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{
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class platform_abstraction
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{
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public:
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using font = font_interface;
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using path_type = ::std::filesystem::path;
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static void initialize();
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/// Shutdown before destruction of platform_spec
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static void shutdown();
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static double font_default_pt();
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static ::std::shared_ptr<font> default_font(const ::std::shared_ptr<font>&);
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static ::std::shared_ptr<font> make_font(const ::std::string& font_family, double size_pt, const font::font_style& fs);
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static ::std::shared_ptr<font> make_font_from_ttf(const path_type& ttf, double size_pt, const font::font_style& fs);
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static void font_resource(bool try_add, const path_type& ttf);
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static unsigned screen_dpi(bool x_requested);
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};
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}
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#endif |