function imgui.BeforeDrawFrame()
if fa_font == nil then
local font_config = imgui.ImFontConfig()
font_config.MergeMode = true
fa_font = imgui.GetIO().Fonts:AddFontFromFileTTF('moonloader/resource/fonts/fontawesome-webfont.ttf', 15.0, font_config, fa_glyph_ranges)
end
end