- SCM markup = ly_car (markup_text);
- SCM text = ly_cdr (markup_text);
-
- SCM p = gh_cons (gh_call2 (f, sheet, markup), alist_chain);
-
- Real staff_space = Staff_symbol_referencer::staff_space (me);
-
- /*
- Line mode is default.
- */
- Axis axis = X_AXIS;
-
- SCM a = ly_assoc_chain (ly_symbol2scm ("axis"), p);
- if (gh_pair_p (a) && isaxis_b (ly_cdr (a)))
- axis = (Axis)gh_scm2int (ly_cdr (a));
-
- Real baseline_skip = 0;
- SCM b = ly_assoc_chain (ly_symbol2scm ("baseline-skip"), p);
- if (gh_pair_p (b) && gh_number_p (ly_cdr (b)))
- baseline_skip = gh_scm2double (ly_cdr (b)) * staff_space;
-
- Real kern[2] = {0,0};
-
- SCM k = ly_assoc_chain (ly_symbol2scm ("kern"), p);
- if (gh_pair_p (k) && gh_number_p (ly_cdr (k)))
- kern[axis] = gh_scm2double (ly_cdr (k)) * staff_space;
-
- Real raise = 0;
- SCM r = ly_assoc_chain (ly_symbol2scm ("raise"), p);
- if (gh_pair_p (r) && gh_number_p (ly_cdr (r)))
- raise = gh_scm2double (ly_cdr (r)) * staff_space;
-
- Interval extent;
- bool extent_b = false;
- SCM e = ly_assoc_chain (ly_symbol2scm ("extent"), p);
- if (gh_pair_p (e) && ly_number_pair_p (ly_cdr (e)))
- {
- extent = Interval (gh_scm2double (ly_cadr (e)) * staff_space,
- gh_scm2double (ly_cddr (e)) * staff_space);
- extent_b = true;
- }
-
- Offset o (0, (axis == Y_AXIS ? - kern[axis] : 0));
-
- Molecule mol;
- while (gh_pair_p (text))
- {
-
- Molecule m = text2molecule (me, ly_car (text), p);
-
- /*
- TODO: look at padding?
-
- Look ahead here for kern and raise.
-
- (cols "foo" ((raise . 1) "bar"))
- (cols "foo" ((bold (raise . 1)) "bar"))
-
- When constructing the molecule for bar, all normal extra
- properties found, such as bold, are used for the construction
- of bar's molecule. But for kern or raise, it seems that we're
- too late then, translating bar's molecule has no effect (or
- maybe the effect of translating gets nullified when bar's
- molecule is `added_to_edge' of the molecule for foo?)
-
- So, while constructing foo's molecule, we look ahead for the
- raise of bar. The HEAD of the description of bar may be a
- single property, or a list, so we must check that too.
- */
-
- SCM next_p = SCM_EOL;
- if (gh_pair_p (ly_car (text)))
- next_p = scm_list_n (gh_call2 (f, sheet, ly_caar (text)), SCM_UNDEFINED);
- SCM next_k = ly_assoc_chain (ly_symbol2scm ("kern"), next_p);
- Real next_kern = kern[axis];
- if (gh_pair_p (next_k) && gh_number_p (ly_cdr (next_k)))
- next_kern = gh_scm2double (ly_cdr (next_k)) * staff_space;
-
- SCM next_r = ly_assoc_chain (ly_symbol2scm ("raise"), next_p);
- Real next_raise = 0;
- if (gh_pair_p (next_r) && gh_number_p (ly_cdr (next_r)))
- next_raise = gh_scm2double (ly_cdr (next_r)) * staff_space;