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>
8 #include "font-interface.hh"
11 #include "accidental-interface.hh"
12 #include "output-def.hh"
16 TODO: insert support for smaller cautionaries, tie-break-reminders.
17 Either here or in new-accidental-engraver.
19 'accidentals should go, for a single 'accidental property -- see
20 accidental-placement.cc
24 parenthesize (Grob*me, Stencil m)
26 Stencil open = Font_interface::get_default_font (me)->find_by_name (String ("accidentals-leftparen"));
27 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"));
66 SCM accs = a->get_property ("accidentals");
67 SCM scm_style = a->get_property ("style");
68 if (!scm_is_symbol (scm_style)
70 && scm_ilength (accs) == 1)
72 if (scm_to_int (ly_car (accs)) == FLAT)
78 we could make the stem thinner, but that places the flats
81 stem[X_AXIS][RIGHT] *= .5;
84 To prevent vertical alignment for 6ths
87 bulb[Y_AXIS][UP] *= .35;
94 TODO: add support for natural, double flat.
101 Offset o (a->relative_coordinate (common[X_AXIS], X_AXIS),
102 a->relative_coordinate (common[Y_AXIS], Y_AXIS));
103 for (int i = boxes.size (); i--;)
105 boxes[i].translate (o);
112 * Some styles do not provide all flavours of accidentals, e.g. there
113 * is currently no sharp accidental in vaticana style. In these cases
114 * this function falls back to one of the other styles.
118 todo: this sort of stuff in Scheme. --hwn.
121 Accidental_interface::get_fontcharname (String style, int alteration)
123 if (alteration == DOUBLE_FLAT
124 || alteration == DOUBLE_SHARP)
126 return to_string (alteration);
129 if (style == "hufnagel")
132 case FLAT: return "hufnagel-1";
133 case 0: return "vaticana0";
134 case SHARP: return "mensural1";
136 if (style == "medicaea")
139 case FLAT: return "medicaea-1";
140 case 0: return "vaticana0";
141 case SHARP: return "mensural1";
143 if (style == "vaticana")
146 case FLAT: return "vaticana-1";
147 case 0: return "vaticana0";
148 case SHARP: return "mensural1";
150 if (style == "mensural")
153 case FLAT: return "mensural-1";
154 case 0: return "vaticana0";
155 case SHARP: return "mensural1";
158 if (style == "neomensural")
159 style = ""; // currently same as default
160 if (style == "default")
162 return style + to_string (alteration);
165 MAKE_SCHEME_CALLBACK (Accidental_interface,print,1);
167 Accidental_interface::print (SCM smob)
169 Grob *me = unsmob_grob (smob);
170 bool smaller = false;
173 bool caut = to_boolean (me->get_property ("cautionary"));
176 SCM cstyle = me->get_property ("cautionary-style");
177 parens = ly_c_equal_p (cstyle, ly_symbol2scm ("parentheses"));
178 smaller = ly_c_equal_p (cstyle, ly_symbol2scm ("smaller"));
181 SCM scm_style = me->get_property ("style");
183 if (scm_is_symbol (scm_style))
185 style = ly_symbol2string (scm_style);
190 preferably no name for the default style.
198 SCM ac = Font_interface::music_font_alist_chain (me);
200 TODO: should calc font-size by adding -2 to current font-size
202 ac = scm_cons (scm_list_1 (scm_cons
203 (ly_symbol2scm ("font-size"),
206 fm = select_font (me->get_paper (), ac);
209 fm = Font_interface::get_default_font (me);
212 for (SCM s = me->get_property ("accidentals");
213 scm_is_pair (s); s = ly_cdr (s))
215 int alteration = scm_to_int (ly_car (s));
216 String font_char = get_fontcharname (style, alteration);
217 Stencil acc (fm->find_by_name ("accidentals-" + font_char));
221 me->warning (_f ("accidental `%s' not found", font_char));
225 mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1,0);
230 mol = parenthesize (me, mol);
232 return mol.smobbed_copy ();
237 TODO: should move inside-slur into item?
240 ADD_INTERFACE (Accidental_interface, "accidental-interface",
241 "a single accidental",
242 "inside-slur cautionary cautionary-style style tie accidentals");