PangoDirection pango_find_base_dir ( const gchar* text, gint length )
Searches a string the first character that has a strong direction, according to the Unicode bidirectional algorithm.
The text to process. Must be valid UTF-8
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string.
textin bytes (may be -1 if
The direction corresponding to the first strong character.
If no such character is found, then
PANGO_DIRECTION_NEUTRAL is returned.