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

TTF_GetTextSubStringForLine - Get the substring of a text object that contains the given line.

Defined in SDL3_ttf/SDL_ttf.h

#include "SDL3_ttf/SDL_ttf.h"
bool TTF_GetTextSubStringForLine(TTF_Text *text, int line, TTF_SubString *substring);

If line is less than 0, this will return a zero length substring at the beginning of the text with the

TTF_SUBSTRING_TEXT_START
flag set. If line is greater than or equal to text->num_lines this will return a zero length substring at the end of the text with the

TTF_SUBSTRING_TEXT_END
flag set.

the TTF_Text
to query.
a zero-based line index, in the range [0 .. text->num_lines-1].
a pointer filled in with the substring containing the offset.

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 text.

This function is available since SDL_ttf 3.0.0.

SDL_ttf 3.2.2 SDL_ttf