41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
#pragma once
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#include "alphabet_types.hpp"
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namespace big
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{
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class font_mgr final
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{
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private:
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const std::vector<std::pair<float, ImFont**>> m_extra_font_sizes;
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// each alphabet type should have a couple of fallback fonts
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const std::unordered_map<eAlphabetType, std::vector<std::string>> m_fonts;
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// extra alphabet types that may be required to be added to the atlas
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eAlphabetType m_require_extra;
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// prevent crashes when doing thread unsafe actions
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std::mutex m_update_lock;
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public:
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font_mgr(std::vector<std::pair<float, ImFont**>> extra_font_sizes = {{28.f, &g.window.font_title},
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{24.f, &g.window.font_sub_title},
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{18.f, &g.window.font_small}});
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virtual ~font_mgr() = default;
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bool can_use();
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void release_use();
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/**
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* @brief Updates the required underlying glyph ranges to be loaded into the font atlas. Fonts will be updated on the next frame.
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*
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* @param type
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*/
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void update_required_alphabet_type(eAlphabetType type);
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private:
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void rebuild();
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file get_available_font_file_for_alphabet_type();
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const ImWchar* GetGlyphRangesChineseSimplifiedOfficial();
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const ImWchar* get_imgui_alphabet_type();
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};
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}
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