static const ImWchar icons_ranges = static ImFontConfig cfg Ĭfg. Fonts -> AddFontDefault () // Add character ranges and merge into the previous font // The ranges array is not copied by the AddFont* functions and is used lazily // so ensure it is available at the time of building or calling GetTexDataAsRGBA32(). Fonts -> AddFontFromFileTTF ( "font.ttf", size_pixels, & config ) Ĭombine multiple fonts into one: // Load a first font ImFont * font = io. Fonts -> AddFontFromFileTTF ( "anotherfont.otf", size_pixels ) // In application loop: select font at runtime ImGui :: Text ( "Hello" ) // use the default font (which is the first loaded font) ImGui :: PushFont ( font2 ) ImGui :: Text ( "Hello with another font" ) ImGui :: PopFont () įor advanced options create a ImFontConfig structure and pass it to the AddFont() function (it will be copied internally): ImFontConfig config Ĭonfig. Fonts -> AddFontFromFileTTF ( "font.ttf", size_pixels ) ImFont * font2 = io. Load multiple fonts: // Init ImGuiIO & io = ImGui :: GetIO () ImFont * font1 = io. If you get an assert stating “Could not load font file!”, your font filename is likely incorrect. Fonts -> AddFontFromFileTTF ( "font.ttf", size_pixels ) TTF/.OTF file with: ImGuiIO & io = ImGui :: GetIO () Load default font: ImGuiIO & io = ImGui :: GetIO () Return to Index Font Loading Instructions U8 "こんにちは" // this will be encoded as UTF-8 Return to Index How should I handle DPI in my application? Use C++11 u8“my text” syntax to encode literal strings as UTF-8. Make sure your font ranges data are persistent (available during the calls to GetTexDataAsAlpha8()/ GetTexDataAsRGBA32()/Build()`. Calling either of io.Fonts->GetTexDataAsAlpha8(), io.Fonts->GetTexDataAsRGBA32() or io.Fonts->Build() will build the atlas. From C/C++ code, you can call ImGui::DebugTextEncoding("my string") function to verify that your UTF-8 encoding is correct.Īll loaded fonts glyphs are rendered into a single texture atlas ahead of time. You can use the UTF-8 Encoding viewer in Metrics/Debugger to verify the content of your UTF-8 strings.The same information are also available in the Style Editor under Fonts. You can also reach it in Demo->Tools->Style Editor->Fonts. You can use the Metrics/Debugger window (available in Demo>Tools) to browse your fonts and understand what's going on if you have an issue.Credits/Licenses For Fonts Included In Repository.Using Font Data Embedded In Source Code.Using FreeType Rasterizer (imgui_freetype).How should I handle DPI in my application?.In the misc/fonts/ folder you can find a few suggested fonts, provided as a convenience.Īlso read the FAQ: (there is a Fonts section!) Index Progg圜lean does not scale smoothly, therefore it is recommended that you load your own file when using Dear ImGui in an application aiming to look nice and wanting to support multiple resolutions. We embed it in the source code so you can use Dear ImGui without any file system access. The code in imgui.cpp embeds a copy of ‘Progg圜lean.ttf’ (by Tristan Grimmer), a 13 pixels high, pixel-perfect font used by default. (You may browse this at or view this file with any Markdown viewer) Dear ImGui: Using Fonts
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