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135 lines
4.7 KiB
Plaintext
135 lines
4.7 KiB
Plaintext
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The code in imgui.cpp embeds a copy of 'ProggyClean.ttf' that you can use without any external files.
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Those are only provided as a convenience, you can load your own .TTF files.
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Fonts are rasterized in a single texture at the time of calling either of io.Fonts.GetTexDataAsAlpha8()/GetTexDataAsRGBA32()/Build().
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---------------------------------
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LOADING INSTRUCTIONS
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---------------------------------
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Load default font with:
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ImGuiIO& io = ImGui::GetIO();
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io.Fonts->AddFontDefault();
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Load .TTF file with:
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ImGuiIO& io = ImGui::GetIO();
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io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels);
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Detailed options:
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ImFontConfig config;
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config.OversampleH = 3;
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config.OversampleV = 1;
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config.GlyphExtraSpacing.x = 1.0f;
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io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, &config);
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If you have very large number of glyphs or multiple fonts:
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- Mind the fact that some graphics drivers have texture size limitation.
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- Set io.Fonts.TexDesiredWidth to specify a texture width to minimize texture height (see comment in ImFontAtlas::Build function).
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- You may reduce oversampling, e.g. config.OversampleH = 2 or 1.
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- Reduce glyphs ranges, consider calculating them based on your source data if this is possible.
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Combine two fonts into one:
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// Load main font
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io.Fonts->AddFontDefault();
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// Add character ranges and merge into main font
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// The ranges array is not copied by the AddFont* functions and is used lazily
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// so ensure it is available for duration of font usage
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static const ImWchar icons_ranges[] = { 0xf000, 0xf3ff, 0 }; // will not be copied by AddFont* so keep in scope.
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ImFontConfig config;
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config.MergeMode = true;
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io.Fonts->AddFontFromFileTTF("DroidSans.ttf", 18.0f, &config, io.Fonts->GetGlyphRangesJapanese());
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io.Fonts->AddFontFromFileTTF("fontawesome-webfont.ttf", 18.0f, &config, icons_ranges);
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Add a fourth parameter to bake specific font ranges only:
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// Basic Latin, Extended Latin
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io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, NULL, io.Fonts->GetGlyphRangesDefault());
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// Include full set of about 21000 CJK Unified Ideographs
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io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, NULL, io.Fonts->GetGlyphRangesJapanese());
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// Default + Hiragana, Katakana, Half-Width, Selection of 1946 Ideographs
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io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, NULL, io.Fonts->GetGlyphRangesChinese());
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Offset font vertically by altering the io.Font->DisplayOffset value:
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ImFont* font = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels);
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font->DisplayOffset.y += 1; // Render 1 pixel down
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---------------------------------
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EMBED A FONT IN SOURCE CODE
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---------------------------------
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Compile and use 'binary_to_compressed_c.cpp' to create a compressed C style array. Then load the font with:
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ImFont* font = io.Fonts->AddFontFromMemoryCompressedTTF(compressed_data, compressed_data_size, size_pixels, ...);
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Or
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ImFont* font = io.Fonts->AddFontFromMemoryCompressedBase85TTF(compressed_data_base85, size_pixels, ...);
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---------------------------------
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INCLUDED FONT FILES
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---------------------------------
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Cousine-Regular.ttf
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Digitized data copyright (c) 2010 Google Corporation.
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Licensed under the SIL Open Font License, Version 1.1
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DroidSans.ttf
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Copyright (c) Steve Matteson
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Apache License, version 2.0
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http://www.google.com/fonts/specimen/Droid+Sans
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ProggyClean.ttf
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Copyright (c) 2004, 2005 Tristan Grimmer
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MIT License
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recommended loading setting in ImGui: Size = 13.0, DisplayOffset.Y = +1
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ProggyTiny.ttf
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Copyright (c) 2004, 2005 Tristan Grimmer
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MIT License
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recommended loading setting in ImGui: Size = 10.0, DisplayOffset.Y = +1
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Karla-Regular
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Copyright (c) 2012, Jonathan Pinhorn
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SIL OPEN FONT LICENSE Version 1.1
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---------------------------------
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LINKS
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---------------------------------
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Icon fonts
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https://fortawesome.github.io/Font-Awesome/
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https://github.com/SamBrishes/kenney-icon-font
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Typefaces for source code beautification
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https://github.com/chrissimpkins/codeface
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Programmation fonts
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http://s9w.github.io/font_compare/
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Proggy Programming Fonts
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http://upperbounds.net
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Inconsolata
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http://www.levien.com/type/myfonts/inconsolata.html
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Adobe Source Code Pro: Monospaced font family for user interface and coding environments
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https://github.com/adobe-fonts/source-code-pro
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Monospace/Fixed Width Programmer's Fonts
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http://www.lowing.org/fonts/
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(Japanese) M+ fonts by Coji Morishita are free and include most useful Kanjis you would need.
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http://mplus-fonts.sourceforge.jp/mplus-outline-fonts/index-en.html
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Or use Arial Unicode or other Unicode fonts provided with Windows for full characters coverage (not sure of their licensing).
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