box  cline  carc  ccirc  sline  sarc  poly
box     t    t      t     .       .     .     .
cline        t      t     .       .     .     .
carc                t     .       .     .     .
ccirc                     .       .     .     .
sline                             .     .     .
sarc                                    .     .
poly                                          .


legend:
. = TODO
i = implemented
t = tested
- = will not be implemented