Function grtext_CenteredPrintf

grtext/grtext.cpp:422–437

puts a centered string in the text buffer.

//	puts a centered string in the text buffer.
void grtext_CenteredPrintf(int xoff, int y, const char *fmt, ...) {
  int new_x;
  std::va_list arglist;
  int len;
  char buf[512];

  va_start(arglist, fmt);
  len = std::vsnprintf(buf, 512, fmt, arglist);
  va_end(arglist);
  if (len < 0)
    return;

  new_x = Grtext_left + (Grtext_right - Grtext_left) / 2 - grtext_GetTextLineWidth(buf) / 2;

  grtext_Puts(new_x + xoff, y, buf);
}

#define GR_STR_LEN 128
//	draws a string