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Documentation: FAQ, ID Stack, Fonts (#1839, #1840), #1842)

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omar
2018-05-27 22:32:46 +02:00
parent 929522febe
commit 0e83d74698
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19
misc/fonts/README.txt
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@ -70,7 +70,7 @@ In this document:
FONTS LOADING INSTRUCTIONS
---------------------------------------
Load default font with:
Load default font:
ImGuiIO& io = ImGui::GetIO();
io.Fonts->AddFontDefault();
@ -78,15 +78,22 @@ In this document:
Load .TTF/.OTF file with:
ImGuiIO& io = ImGui::GetIO();
io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels);
ImFont* font1 = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels);
ImFont* font2 = io.Fonts->AddFontFromFileTTF("anotherfont.otf", size_pixels);
For advanced options create a ImFontConfig structure and pass it to the AddFont function (it will be copied internally)
// 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();
For advanced options create a ImFontConfig structure and pass it to the AddFont function (it will be copied internally):
ImFontConfig config;
config.OversampleH = 3;
config.OversampleV = 1;
config.GlyphExtraSpacing.x = 1.0f;
io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, &config);
ImFont* font = io.Fonts->AddFontFromFileTTF("font.ttf", size_pixels, &config);
If you have very large number of glyphs or multiple fonts:
@ -99,7 +106,7 @@ In this document:
Combine two fonts into one:
// Load a first font
io.Fonts->AddFontDefault();
ImFont* font = io.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
@ -144,7 +151,7 @@ In this document:
---------------------------------------
You can use the ImFontAtlas::GlyphRangesBuilder helper to create glyph ranges based on text input.
For exemple: for a game where your script is known, if you can feed your entire script to it and only build the characters the game needs.
For example: for a game where your script is known, if you can feed your entire script to it and only build the characters the game needs.
ImVector<ImWchar> ranges;
ImFontAtlas::GlyphRangesBuilder builder;