SDL Wiki
(This function is part of SDL_ttf, a separate library from SDL.)


Query whether a font is fixed-width.

Header File

Defined in <SDL3_ttf/SDL_ttf.h>


int TTF_FontFaceIsFixedWidth(const TTF_Font *font);

Function Parameters

const TTF_Font * font the font to query.

Return Value

(int) Returns non-zero if fixed-width, zero if not.


A "fixed-width" font means all glyphs are the same width across; a lowercase 'i' will be the same size across as a capital 'W', for example. This is common for terminals and text editors, and other apps that treat text as a grid. Most other things (WYSIWYG word processors, web pages, etc) are more likely to not be fixed-width in most cases.


This function is available since SDL_ttf 3.0.0.

CategoryAPI, CategoryAPIFunction

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