| get_font | Get the current font. |
| get_string_extents | Get the spatial size of a string. |
| get_tposition | Get cursor position. |
| get_tshape | Get the shape of the text cursor. |
| new_line | Set the position of the text cursor to the beginning of the next line. |
| query_font | Query the available fonts. |
| query_tshape | Query all shapes available for text cursors. |
| read_char | Read a character from a text window. |
| read_string | Read a string in a text window. |
| set_font | Set the font used for text output. |
| set_tposition | Set the position of the text cursor. |
| set_tshape | Set the shape of the text cursor. |
| write_string | Print text in a window. |