DOKK / manpages / debian 13 / libsdl3-ttf-doc / TTF_SetFontLanguage.3.en
TTF_SetFontLanguage(3) SDL_ttf3 FUNCTIONS TTF_SetFontLanguage(3)

TTF_SetFontLanguage - Set language to be used for text shaping by a font.

Defined in SDL3_ttf/SDL_ttf.h

#include "SDL3_ttf/SDL_ttf.h"
bool TTF_SetFontLanguage(TTF_Font *font, const char *language_bcp47);

If SDL_ttf was not built with HarfBuzz support, this function returns false.

This updates any TTF_Text
objects using this font.

the font to specify a language for.
a null-terminated string containing the desired language's BCP47 code. Or null to reset the value.

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

This function should be called on the thread that created the font.

This function is available since SDL_ttf 3.0.0.

SDL_ttf 3.2.2 SDL_ttf