2 accidental.cc -- implement Accidental_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 2001--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "font-interface.hh"
12 #include "accidental-interface.hh"
13 #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
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"));
30 m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0,0);
31 m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0,0);
37 MAKE_SCHEME_CALLBACK (Accidental_interface,after_line_breaking,1);
39 Accidental_interface::after_line_breaking (SCM smob)
41 Grob *me = unsmob_grob (smob);
42 Grob *tie = unsmob_grob (me->get_property ("tie"));
44 if (tie && !tie->original_)
48 return SCM_UNSPECIFIED;
52 Accidental_interface::accurate_boxes (Grob *a, Grob**common)
55 b[X_AXIS] = a->extent (a, X_AXIS);
56 b[Y_AXIS] = a->extent (a, Y_AXIS);
61 if (to_boolean (a->get_property ("cautionary")))
63 SCM cstyle = a->get_property ("cautionary-style");
64 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 (!scm_is_symbol (scm_style)
71 && scm_ilength (accs) == 1)
73 if (scm_to_int (scm_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 == "neomensural")
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 (scm_is_symbol (scm_style))
186 style = ly_symbol2string (scm_style);
191 preferably no name for the default style.
199 SCM ac = Font_interface::music_font_alist_chain (me);
201 TODO: should calc font-size by adding -2 to current font-size
203 ac = scm_cons (scm_list_1 (scm_cons
204 (ly_symbol2scm ("font-size"),
207 fm = select_font (me->get_paper (), ac);
210 fm = Font_interface::get_default_font (me);
213 for (SCM s = me->get_property ("accidentals");
214 scm_is_pair (s); s = scm_cdr (s))
216 int alteration = scm_to_int (scm_car (s));
217 String font_char = get_fontcharname (style, alteration);
218 Stencil acc (fm->find_by_name ("accidentals-" + font_char));
222 me->warning (_f ("accidental `%s' not found", font_char));
226 mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1,0);
231 mol = parenthesize (me, mol);
233 return mol.smobbed_copy ();
238 TODO: should move inside-slur into item?
241 ADD_INTERFACE (Accidental_interface, "accidental-interface",
242 "a single accidental",
243 "inside-slur cautionary cautionary-style style tie accidentals");