Provided by: libsdl3-ttf-doc_3.2.2+ds-1_all 

NAME
TTF_SetFontLanguage - Set language to be used for text shaping by a font.
HEADER FILE
Defined in SDL3_ttf/SDL_ttf.h
SYNOPSIS
#include "SDL3_ttf/SDL_ttf.h"
bool TTF_SetFontLanguage(TTF_Font *font, const char *language_bcp47);
DESCRIPTION
If SDL_ttf was not built with HarfBuzz support, this function returns false.
This updates any TTF_Text
objects using this font.
FUNCTION PARAMETERS
font the font to specify a language for.
language_bcp47
a null-terminated string containing the desired language's BCP47 code. Or null to reset the value.
RETURN VALUE
Returns true on success or false on failure; call SDL_GetError() for more information.
THREAD SAFETY
This function should be called on the thread that created the font.
AVAILABILITY
This function is available since SDL_ttf 3.0.0.
SDL_ttf SDL_ttf 3.2.2 TTF_SetFontLanguage(3)