2 accidental.cc -- implement Accidental_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 2001--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
9 #include "accidental-interface.hh"
10 #include "font-interface.hh"
12 #include "output-def.hh"
17 TODO: insert support for smaller cautionaries, tie-break-reminders.
18 Either here or in new-accidental-engraver.
20 'accidentals should go, for a single 'accidental property -- see
21 accidental-placement.cc
24 parenthesize (Grob *me, Stencil m)
27 = Font_interface::get_default_font (me);
29 = font->find_by_name ("accidentals.leftparen");
31 = font->find_by_name ("accidentals.rightparen");
33 m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0, 0);
34 m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0, 0);
40 Hmm. Need separate callback, or perhaps #'live bool property.
42 MAKE_SCHEME_CALLBACK (Accidental_interface, after_line_breaking, 1);
44 Accidental_interface::after_line_breaking (SCM smob)
46 Grob *me = unsmob_grob (smob);
47 Grob *tie = unsmob_grob (me->get_object ("tie"));
49 if (tie && !tie->original ())
51 return SCM_UNSPECIFIED;
55 Accidental_interface::accurate_boxes (Grob *a, Grob **common)
58 b[X_AXIS] = a->extent (a, X_AXIS);
59 b[Y_AXIS] = a->extent (a, Y_AXIS);
64 if (to_boolean (a->get_property ("cautionary")))
66 SCM cstyle = a->get_property ("cautionary-style");
67 parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
70 SCM accs = a->get_property ("accidentals");
71 SCM scm_style = a->get_property ("style");
72 if (!scm_is_symbol (scm_style)
74 && scm_ilength (accs) == 1)
76 switch (scm_to_int (scm_car (accs)))
84 we could make the stem thinner, but that places the flats
87 stem[X_AXIS][RIGHT] *= .5;
90 To prevent vertical alignment for 6ths
93 bulb[Y_AXIS][UP] *= .35;
105 lstem[Y_AXIS] *= 1.1;
106 rstem[Y_AXIS] *= 1.1;
108 belly[Y_AXIS] *= 0.75;
109 lstem[X_AXIS][RIGHT] *= .33;
110 rstem[X_AXIS][LEFT] = rstem[X_AXIS].linear_combination (1.0 / 3.0);
111 lstem[Y_AXIS][DOWN] = belly[Y_AXIS][DOWN];
112 rstem[Y_AXIS][UP] = belly[Y_AXIS][UP];
119 TODO: add support for, double flat.
127 Offset o (a->relative_coordinate (common[X_AXIS], X_AXIS),
128 a->relative_coordinate (common[Y_AXIS], Y_AXIS));
129 for (int i = boxes.size (); i--;)
130 boxes[i].translate (o);
136 * Some styles do not provide all flavours of accidentals, e.g. there
137 * is currently no sharp accidental in vaticana style. In these cases
138 * this function falls back to one of the other styles.
142 todo: this sort of stuff in Scheme. --hwn.
145 Accidental_interface::get_fontcharname (String style, int alteration)
147 if (alteration == DOUBLE_FLAT
148 || alteration == DOUBLE_SHARP)
149 return to_string (alteration);
151 if (style == "hufnagel")
154 case FLAT: return "hufnagel-1";
155 case 0: return "vaticana0";
156 case SHARP: return "mensural1";
158 if (style == "medicaea")
161 case FLAT: return "medicaea-1";
162 case 0: return "vaticana0";
163 case SHARP: return "mensural1";
165 if (style == "vaticana")
168 case FLAT: return "vaticana-1";
169 case 0: return "vaticana0";
170 case SHARP: return "mensural1";
172 if (style == "mensural")
175 case FLAT: return "mensural-1";
176 case 0: return "vaticana0";
177 case SHARP: return "mensural1";
180 if (style == "neomensural")
181 style = ""; // currently same as default
182 if (style == "default")
184 return style + to_string (alteration);
187 MAKE_SCHEME_CALLBACK (Accidental_interface, print, 1);
189 Accidental_interface::print (SCM smob)
191 Grob *me = unsmob_grob (smob);
192 bool smaller = false;
195 bool caut = to_boolean (me->get_property ("cautionary"));
198 SCM cstyle = me->get_property ("cautionary-style");
199 parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
200 smaller = ly_is_equal (cstyle, ly_symbol2scm ("smaller"));
203 SCM scm_style = me->get_property ("style");
205 if (scm_is_symbol (scm_style))
206 style = ly_symbol2string (scm_style);
209 preferably no name for the default style.
216 SCM ac = Font_interface::music_font_alist_chain (me);
218 TODO: should calc font-size by adding -2 to current font-size
220 ac = scm_cons (scm_list_1 (scm_cons
221 (ly_symbol2scm ("font-size"),
224 fm = select_font (me->layout (), ac);
227 fm = Font_interface::get_default_font (me);
230 for (SCM s = me->get_property ("accidentals");
231 scm_is_pair (s); s = scm_cdr (s))
233 int alteration = scm_to_int (scm_car (s));
234 String font_char = get_fontcharname (style, alteration);
235 Stencil acc (fm->find_by_name ("accidentals." + font_char));
238 me->warning (_f ("accidental `%s' not found", font_char));
240 mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1, 0);
244 mol = parenthesize (me, mol);
246 return mol.smobbed_copy ();
250 TODO: should move avoid-slur into item?
252 ADD_INTERFACE (Accidental_interface, "accidental-interface",
253 "a single accidental",