ttfSetFontScript function

bool ttfSetFontScript(
  1. Pointer<TtfFont> font,
  2. String? script
)

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

The supplied script value must be a null-terminated string of exactly four characters.

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

This updates any TTF_Text objects using this font.

\param font the font to specify a script name for. \param script null-terminated string of exactly 4 characters. \returns true on success or false on failure; call SDL_GetError() for more information.

\threadsafety This function is not thread-safe.

\since This function is available since SDL_ttf 3.0.0.

extern SDL_DECLSPEC bool SDLCALL TTF_SetFontScript(TTF_Font *font, const char *script)

Implementation

bool ttfSetFontScript(Pointer<TtfFont> font, String? script) {
  final ttfSetFontScriptLookupFunction = libSdl3Ttf.lookupFunction<
      Uint8 Function(Pointer<TtfFont> font, Pointer<Utf8> script),
      int Function(
          Pointer<TtfFont> font, Pointer<Utf8> script)>('TTF_SetFontScript');
  final scriptPointer = script != null ? script.toNativeUtf8() : nullptr;
  final result = ttfSetFontScriptLookupFunction(font, scriptPointer) == 1;
  calloc.free(scriptPointer);
  return result;
}