2 accidental.cc -- implement Accidental_interface
4 (c) 2001--2004 Han-Wen Nienhuys
7 #include "font-interface.hh"
10 #include "accidental-interface.hh"
11 #include "paper-def.hh"
15 TODO: insert support for smaller cautionaries, tie-break-reminders.
16 Either here or in new-accidental-engraver.
18 'accidentals should go, for a single 'accidental property -- see
19 accidental-placement.cc
25 parenthesize (Grob*me, Stencil m)
27 Stencil open = Font_interface::get_default_font (me)->find_by_name (String ("accidentals-leftparen"));
28 Stencil close = Font_interface::get_default_font (me)->find_by_name (String ("accidentals-rightparen"));
29 m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0,0);
30 m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0,0);
36 MAKE_SCHEME_CALLBACK (Accidental_interface,after_line_breaking,1);
38 Accidental_interface::after_line_breaking (SCM smob)
40 Grob *me = unsmob_grob (smob);
41 Grob *tie = unsmob_grob (me->get_property ("tie"));
43 if (tie && !tie->original_)
47 return SCM_UNSPECIFIED;
51 Accidental_interface::accurate_boxes (Grob *a,Grob**common)
54 b[X_AXIS] = a->extent (a, X_AXIS);
55 b[Y_AXIS] = a->extent (a, Y_AXIS);
60 if (to_boolean (a->get_property ("cautionary")))
62 SCM cstyle = a->get_property ("cautionary-style");
63 parens = ly_c_equal_p (cstyle, ly_symbol2scm ("parentheses"));
67 SCM accs = a->get_property ("accidentals");
68 SCM scm_style = a->get_property ("style");
69 if (!ly_c_symbol_p (scm_style)
71 && scm_ilength (accs) == 1)
73 if (ly_scm2int (ly_car (accs)) == FLAT)
79 we could make the stem thinner, but that places the flats
82 stem[X_AXIS][RIGHT] *= .5;
85 To prevent vertical alignment for 6ths
88 bulb[Y_AXIS][UP] *= .35;
95 TODO: add support for natural, double flat.
102 Offset o (a->relative_coordinate (common[X_AXIS], X_AXIS),
103 a->relative_coordinate (common[Y_AXIS], Y_AXIS));
104 for (int i = boxes.size (); i--;)
106 boxes[i].translate (o);
113 * Some styles do not provide all flavours of accidentals, e.g. there
114 * is currently no sharp accidental in vaticana style. In these cases
115 * this function falls back to one of the other styles.
119 todo: this sort of stuff in Scheme. --hwn.
122 Accidental_interface::get_fontcharname (String style, int alteration)
124 if (alteration == DOUBLE_FLAT
125 || alteration == DOUBLE_SHARP)
127 return to_string (alteration);
130 if (style == "hufnagel")
133 case FLAT: return "hufnagel-1";
134 case 0: return "vaticana0";
135 case SHARP: return "mensural1";
137 if (style == "medicaea")
140 case FLAT: return "medicaea-1";
141 case 0: return "vaticana0";
142 case SHARP: return "mensural1";
144 if (style == "vaticana")
147 case FLAT: return "vaticana-1";
148 case 0: return "vaticana0";
149 case SHARP: return "mensural1";
151 if (style == "mensural")
154 case FLAT: return "mensural-1";
155 case 0: return "vaticana0";
156 case SHARP: return "mensural1";
159 if (style == "neo_mensural")
160 style = ""; // currently same as default
161 if (style == "default")
163 return style + to_string (alteration);
166 MAKE_SCHEME_CALLBACK (Accidental_interface,print,1);
168 Accidental_interface::print (SCM smob)
170 Grob *me = unsmob_grob (smob);
171 bool smaller = false;
174 bool caut = to_boolean (me->get_property ("cautionary"));
177 SCM cstyle = me->get_property ("cautionary-style");
178 parens = ly_c_equal_p (cstyle, ly_symbol2scm ("parentheses"));
179 smaller = ly_c_equal_p (cstyle, ly_symbol2scm ("smaller"));
182 SCM scm_style = me->get_property ("style");
184 if (ly_c_symbol_p (scm_style))
186 style = ly_symbol2string (scm_style);
191 preferably no name for the default style.
199 SCM ac = Font_interface::text_font_alist_chain (me);
200 ac = scm_cons (scm_cons (scm_cons
201 (ly_symbol2scm ("font-size"),
202 scm_int2num (-2)), SCM_EOL),
204 fm = select_font (me->get_paper (), ac);
207 fm = Font_interface::get_default_font (me);
210 for (SCM s = me->get_property ("accidentals");
211 ly_c_pair_p (s); s = ly_cdr (s))
213 int alteration = ly_scm2int (ly_car (s));
214 String font_char = get_fontcharname (style, alteration);
215 Stencil acc (fm->find_by_name ("accidentals-" + font_char));
219 me->warning (_f ("accidental `%s' not found", font_char));
223 mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1,0);
228 mol = parenthesize (me, mol);
230 return mol.smobbed_copy ();
235 ADD_INTERFACE (Accidental_interface, "accidental-interface",
236 "a single accidental",
237 "cautionary cautionary-style style tie accidentals");