+/*
+ accidental.cc -- implement Accidental_interface
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 2001--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#include "accidental-interface.hh"
#include "font-interface.hh"
+#include "international.hh"
#include "item.hh"
-#include "molecule.hh"
+#include "output-def.hh"
+#include "pitch.hh"
+#include "stencil.hh"
/*
TODO: insert support for smaller cautionaries, tie-break-reminders.
'accidentals should go, for a single 'accidental property -- see
accidental-placement.cc
-
*/
-class Accidental_interface
-{
-public:
- DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM));
- DECLARE_SCHEME_CALLBACK (after_line_breaking, (SCM));
- static bool has_interface (Grob*);
-};
-
-Molecule
-parenthesize (Grob*me, Molecule m)
+Stencil
+parenthesize (Grob *me, Stencil m)
{
- Molecule open = Font_interface::get_default_font (me)->find_by_name (String ("accidentals-leftparen"));
- Molecule close = Font_interface::get_default_font (me)->find_by_name (String ("accidentals-rightparen"));
- m.add_at_edge (X_AXIS, LEFT, Molecule (open), 0);
- m.add_at_edge (X_AXIS, RIGHT, Molecule (close), 0);
+ Font_metric * font
+ = Font_interface::get_default_font (me);
+ Stencil open
+ = font->find_by_name ("accidentals.leftparen");
+ Stencil close
+ = font->find_by_name ("accidentals.rightparen");
+
+ m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0, 0);
+ m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0, 0);
return m;
}
-
-MAKE_SCHEME_CALLBACK (Accidental_interface,after_line_breaking,1);
+/*
+ Hmm. Need separate callback, or perhaps #'live bool property.
+ */
+MAKE_SCHEME_CALLBACK (Accidental_interface, after_line_breaking, 1);
SCM
Accidental_interface::after_line_breaking (SCM smob)
{
- Grob *me = unsmob_grob (smob);
- Grob *tie = unsmob_grob (me->get_grob_property ("tie"));
+ Grob *me = unsmob_grob (smob);
+ Grob *tie = unsmob_grob (me->get_object ("tie"));
- if (tie && !tie->original_l_)
+ if (tie && !tie->original ()
+ && !to_boolean (me->get_property ("forced")))
{
me->suicide ();
}
+
return SCM_UNSPECIFIED;
}
-
-MAKE_SCHEME_CALLBACK (Accidental_interface,brew_molecule,1);
+
+vector<Box>
+Accidental_interface::accurate_boxes (Grob *a, Grob **common)
+{
+ Box b;
+ b[X_AXIS] = a->extent (a, X_AXIS);
+ b[Y_AXIS] = a->extent (a, Y_AXIS);
+
+ vector<Box> boxes;
+
+ bool parens = false;
+ if (to_boolean (a->get_property ("cautionary")))
+ {
+ SCM cstyle = a->get_property ("cautionary-style");
+ parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
+ }
+
+ SCM accs = a->get_property ("accidentals");
+ SCM scm_style = a->get_property ("style");
+ if (!scm_is_symbol (scm_style)
+ && !parens
+ && scm_ilength (accs) == 1)
+ {
+ switch (scm_to_int (scm_car (accs)))
+ {
+ case FLAT:
+ {
+ Box stem = b;
+ Box bulb = b;
+
+ /*
+ we could make the stem thinner, but that places the flats
+ really close.
+ */
+ stem[X_AXIS][RIGHT] *= .5;
+
+ /*
+ To prevent vertical alignment for 6ths
+ */
+ stem[Y_AXIS] *= 1.1;
+ bulb[Y_AXIS][UP] *= .35;
+
+ boxes.push_back (bulb);
+ boxes.push_back (stem);
+ }
+ break;
+ case NATURAL:
+ {
+ Box lstem = b;
+ Box rstem = b;
+ Box belly = b;
+
+ lstem[Y_AXIS] *= 1.1;
+ rstem[Y_AXIS] *= 1.1;
+
+ belly[Y_AXIS] *= 0.75;
+ lstem[X_AXIS][RIGHT] *= .33;
+ rstem[X_AXIS][LEFT] = rstem[X_AXIS].linear_combination (1.0 / 3.0);
+ lstem[Y_AXIS][DOWN] = belly[Y_AXIS][DOWN];
+ rstem[Y_AXIS][UP] = belly[Y_AXIS][UP];
+ boxes.push_back (belly);
+ boxes.push_back (lstem);
+ boxes.push_back (rstem);
+ }
+ break;
+ /*
+ TODO: add support for, double flat.
+ */
+ }
+ }
+
+ if (!boxes.size ())
+ boxes.push_back (b);
+
+ Offset o (a->relative_coordinate (common[X_AXIS], X_AXIS),
+ a->relative_coordinate (common[Y_AXIS], Y_AXIS));
+ for (vsize i = boxes.size (); i--;)
+ boxes[i].translate (o);
+
+ return boxes;
+}
+
+/*
+ * Some styles do not provide all flavours of accidentals, e.g. there
+ * is currently no sharp accidental in vaticana style. In these cases
+ * this function falls back to one of the other styles.
+ */
+
+/*
+ todo: this sort of stuff in Scheme. --hwn.
+*/
+string
+Accidental_interface::get_fontcharname (string style, int alteration)
+{
+ if (alteration == DOUBLE_FLAT
+ || alteration == DOUBLE_SHARP)
+ return to_string (alteration);
+
+ if (style == "hufnagel")
+ switch (alteration)
+ {
+ case FLAT: return "hufnagel-1";
+ case 0: return "vaticana0";
+ case SHARP: return "mensural1";
+ }
+ if (style == "medicaea")
+ switch (alteration)
+ {
+ case FLAT: return "medicaea-1";
+ case 0: return "vaticana0";
+ case SHARP: return "mensural1";
+ }
+ if (style == "vaticana")
+ switch (alteration)
+ {
+ case FLAT: return "vaticana-1";
+ case 0: return "vaticana0";
+ case SHARP: return "mensural1";
+ }
+ if (style == "mensural")
+ switch (alteration)
+ {
+ case FLAT: return "mensural-1";
+ case 0: return "vaticana0";
+ case SHARP: return "mensural1";
+ }
+
+ if (style == "neomensural")
+ style = ""; // currently same as default
+ if (style == "default")
+ style = "";
+ return style + to_string (alteration);
+}
+
+MAKE_SCHEME_CALLBACK (Accidental_interface, print, 1);
SCM
-Accidental_interface::brew_molecule (SCM smob)
+Accidental_interface::print (SCM smob)
{
Grob *me = unsmob_grob (smob);
+ bool smaller = false;
+ bool parens = false;
- SCM scm_style = me->get_grob_property ("style");
-
- String style;
- if (gh_symbol_p (scm_style))
+ bool caut = to_boolean (me->get_property ("cautionary"));
+ if (caut)
{
- style = ly_scm2string (scm_symbol_to_string (scm_style));
+ SCM cstyle = me->get_property ("cautionary-style");
+ parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
+ smaller = ly_is_equal (cstyle, ly_symbol2scm ("smaller"));
}
+
+ SCM scm_style = me->get_property ("style");
+ string style;
+ if (scm_is_symbol (scm_style))
+ style = ly_symbol2string (scm_style);
else
+ /*
+ preferably no name for the default style.
+ */
+ style = "";
+
+ Font_metric *fm = 0;
+ if (smaller)
{
+ SCM ac = Font_interface::music_font_alist_chain (me);
/*
- preferably no name for the default style.
- */
- style = "";
+ TODO: should calc font-size by adding -2 to current font-size
+ */
+ ac = scm_cons (scm_list_1 (scm_cons
+ (ly_symbol2scm ("font-size"),
+ scm_from_int (-2))),
+ ac);
+ fm = select_font (me->layout (), ac);
}
+ else
+ fm = Font_interface::get_default_font (me);
-
- Molecule mol;
- for (SCM s = me->get_grob_property ("accidentals");
- gh_pair_p (s); s= gh_cdr (s))
+ Stencil mol;
+ for (SCM s = me->get_property ("accidentals");
+ scm_is_pair (s); s = scm_cdr (s))
{
- SCM entry = gh_car (s);
-
-
- Molecule acc (Font_interface::get_default_font (me)->
- find_by_name (String ("accidentals-") +
- style +
- to_str (gh_scm2int(entry))));
-
- mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1);
- }
+ int alteration = scm_to_int (scm_car (s));
+ string font_char = get_fontcharname (style, alteration);
+ Stencil acc (fm->find_by_name ("accidentals." + font_char));
-#if 0
- // TODO.
- if (to_boolean (me->get_grob_property ("parenthesize")))
- mol = parenthesize (me, mol);
-#endif
- return mol.smobbed_copy();
-}
+ if (acc.is_empty ())
+ me->warning (_f ("accidental `%s' not found", font_char));
+ else
+ mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1, 0);
+ }
+ if (parens)
+ mol = parenthesize (me, mol);
+ return mol.smobbed_copy ();
+}
-ADD_INTERFACE(Accidental_interface, "accidental-interface",
- "a single accidental",
- "style tie accidentals");
+/*
+ TODO: should move avoid-slur into item?
+*/
+ADD_INTERFACE (Accidental_interface,
+ "a single accidental",
+ "accidentals "
+ "avoid-slur "
+ "cautionary "
+ "cautionary-style "
+ "forced "
+ "style "
+ "tie "
+ );