Man page - ttf_addfallbackfont(3)

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Package: libsdl3-ttf-doc
apt-get install libsdl3-ttf-doc

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TTF_AddFallbackFont - Add a fallback font.

Defined in SDL3_ttf/SDL_ttf.h

#include "SDL3_ttf/SDL_ttf.h"

bool TTF_AddFallbackFont(TTF_Font *font, TTF_Font *fallback);

Add a font that will be used for glyphs that are not in the current font. The fallback font should have the same size and style as the current font.

If there are multiple fallback fonts, they are used in the order added.

This updates any TTF_Text
objects using this font.

font

the font to modify.

fallback

the font to add as a fallback.

Returns true on success or false on failure; call SDL_GetError() for more information.

This function should be called on the thread that created both fonts.

This function is available since SDL_ttf 3.0.0.