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

TTF_SetFontDirection

Set the direction to be used for text shaping by a font.

Header File

Defined in <SDL3_ttf/SDL_ttf.h>

Syntax

bool TTF_SetFontDirection(TTF_Font *font, TTF_Direction direction);

Function Parameters

TTF_Font *	font	the font to modify.
TTF_Direction	direction	the new direction for text to flow.

Return Value

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

Remarks

This function only supports left-to-right text shaping if SDL_ttf was not built with HarfBuzz support.

This updates any TTF_Text objects using this font.

Thread Safety

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

Version

This function is available since SDL_ttf 3.0.0.

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CategoryAPI, CategoryAPIFunction, CategorySDLTTF

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