2 accidental.cc -- implement Accidental_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 2001--2005 Han-Wen Nienhuys <hanwen@cs.uu.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)
26 Stencil open = Font_interface::get_default_font (me)->find_by_name ("accidentals.leftparen");
27 Stencil close = Font_interface::get_default_font (me)->find_by_name ("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);
35 MAKE_SCHEME_CALLBACK (Accidental_interface, after_line_breaking, 1);
37 Accidental_interface::after_line_breaking (SCM smob)
39 Grob *me = unsmob_grob (smob);
40 Grob *tie = unsmob_grob (me->get_property ("tie"));
42 if (tie && !tie->original_)
44 return SCM_UNSPECIFIED;
48 Accidental_interface::accurate_boxes (Grob *a, Grob **common)
51 b[X_AXIS] = a->extent (a, X_AXIS);
52 b[Y_AXIS] = a->extent (a, Y_AXIS);
57 if (to_boolean (a->get_property ("cautionary")))
59 SCM cstyle = a->get_property ("cautionary-style");
60 parens = ly_c_equal_p (cstyle, ly_symbol2scm ("parentheses"));
63 SCM accs = a->get_property ("accidentals");
64 SCM scm_style = a->get_property ("style");
65 if (!scm_is_symbol (scm_style)
67 && scm_ilength (accs) == 1)
69 switch (scm_to_int (scm_car (accs)))
77 we could make the stem thinner, but that places the flats
80 stem[X_AXIS][RIGHT] *= .5;
83 To prevent vertical alignment for 6ths
86 bulb[Y_AXIS][UP] *= .35;
101 belly[Y_AXIS] *= 0.75;
102 lstem[X_AXIS][RIGHT] *= .33;
103 rstem[X_AXIS][LEFT] = rstem[X_AXIS].linear_combination (1.0 / 3.0);
104 lstem[Y_AXIS][DOWN] = belly[Y_AXIS][DOWN];
105 rstem[Y_AXIS][UP] = belly[Y_AXIS][UP];
112 TODO: add support for, double flat.
120 Offset o (a->relative_coordinate (common[X_AXIS], X_AXIS),
121 a->relative_coordinate (common[Y_AXIS], Y_AXIS));
122 for (int i = boxes.size (); i--;)
124 boxes[i].translate (o);
131 * Some styles do not provide all flavours of accidentals, e.g. there
132 * is currently no sharp accidental in vaticana style. In these cases
133 * this function falls back to one of the other styles.
137 todo: this sort of stuff in Scheme. --hwn.
140 Accidental_interface::get_fontcharname (String style, int alteration)
142 if (alteration == DOUBLE_FLAT
143 || alteration == DOUBLE_SHARP)
144 return to_string (alteration);
146 if (style == "hufnagel")
149 case FLAT: return "hufnagel-1";
150 case 0: return "vaticana0";
151 case SHARP: return "mensural1";
153 if (style == "medicaea")
156 case FLAT: return "medicaea-1";
157 case 0: return "vaticana0";
158 case SHARP: return "mensural1";
160 if (style == "vaticana")
163 case FLAT: return "vaticana-1";
164 case 0: return "vaticana0";
165 case SHARP: return "mensural1";
167 if (style == "mensural")
170 case FLAT: return "mensural-1";
171 case 0: return "vaticana0";
172 case SHARP: return "mensural1";
175 if (style == "neomensural")
176 style = ""; // currently same as default
177 if (style == "default")
179 return style + to_string (alteration);
182 MAKE_SCHEME_CALLBACK (Accidental_interface, print, 1);
184 Accidental_interface::print (SCM smob)
186 Grob *me = unsmob_grob (smob);
187 bool smaller = false;
190 bool caut = to_boolean (me->get_property ("cautionary"));
193 SCM cstyle = me->get_property ("cautionary-style");
194 parens = ly_c_equal_p (cstyle, ly_symbol2scm ("parentheses"));
195 smaller = ly_c_equal_p (cstyle, ly_symbol2scm ("smaller"));
198 SCM scm_style = me->get_property ("style");
200 if (scm_is_symbol (scm_style))
201 style = ly_symbol2string (scm_style);
204 preferably no name for the default style.
211 SCM ac = Font_interface::music_font_alist_chain (me);
213 TODO: should calc font-size by adding -2 to current font-size
215 ac = scm_cons (scm_list_1 (scm_cons
216 (ly_symbol2scm ("font-size"),
219 fm = select_font (me->get_layout (), ac);
222 fm = Font_interface::get_default_font (me);
225 for (SCM s = me->get_property ("accidentals");
226 scm_is_pair (s); s = scm_cdr (s))
228 int alteration = scm_to_int (scm_car (s));
229 String font_char = get_fontcharname (style, alteration);
230 Stencil acc (fm->find_by_name ("accidentals." + font_char));
233 me->warning (_f ("accidental `%s' not found", font_char));
235 mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1, 0);
239 mol = parenthesize (me, mol);
241 return mol.smobbed_copy ();
245 TODO: should move inside-slur into item?
247 ADD_INTERFACE (Accidental_interface, "accidental-interface",
248 "a single accidental",
249 "inside-slur cautionary cautionary-style style tie accidentals");