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

TTF_SetFontDirection

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

Header File

Defined in SDL_ttf.h

Syntax

int TTF_SetFontDirection(TTF_Font *font, TTF_Direction direction);

Function Parameters

Return Value

Returns 0 on success, or -1 on error.

Remarks

Possible direction values are:

• TTF_DIRECTION_LTR (Left to Right)
• TTF_DIRECTION_RTL (Right to Left)
• TTF_DIRECTION_TTB (Top to Bottom)
• TTF_DIRECTION_BTT (Bottom to Top)

If SDL_ttf was not built with HarfBuzz support, this function returns -1.

Version

This function is available since SDL_ttf 3.0.0.

CategoryAPI, CategoryAPIFunction