source file of the GNU LilyPond music typesetter
- (c) 2001--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2001--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "accidental-interface.hh"
#include "font-interface.hh"
+#include "international.hh"
#include "item.hh"
#include "output-def.hh"
+#include "paper-column.hh"
#include "pitch.hh"
#include "stencil.hh"
-/*
- TODO: insert support for smaller cautionaries, tie-break-reminders.
- Either here or in new-accidental-engraver.
-
- 'accidentals should go, for a single 'accidental property -- see
- accidental-placement.cc
-*/
Stencil
parenthesize (Grob *me, Stencil m)
{
- Stencil open = Font_interface::get_default_font (me)->find_by_name ("accidentals.leftparen");
- Stencil close = Font_interface::get_default_font (me)->find_by_name ("accidentals.rightparen");
+ 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);
+ m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0);
+ m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0);
return m;
}
-MAKE_SCHEME_CALLBACK (Accidental_interface, after_line_breaking, 1);
-SCM
-Accidental_interface::after_line_breaking (SCM smob)
+/* If this gets called before line breaking, we will return a non-trivial
+ extent even if we belong to a tie and won't actually get printed. */
+static SCM
+get_extent (Grob *me, Axis a)
{
- Grob *me = unsmob_grob (smob);
- Grob *tie = unsmob_grob (me->get_object ("tie"));
+ Stencil *s = unsmob_stencil (Accidental_interface::get_stencil (me));
- if (tie && !tie->original_)
- me->suicide ();
- return SCM_UNSPECIFIED;
+ if (s)
+ return ly_interval2scm (s->extent (a));
+ return ly_interval2scm (Interval ());
}
-Array<Box>
-Accidental_interface::accurate_boxes (Grob *a, Grob **common)
+MAKE_SCHEME_CALLBACK (Accidental_interface, height, 1);
+SCM
+Accidental_interface::height (SCM smob)
{
- Box b;
- b[X_AXIS] = a->extent (a, X_AXIS);
- b[Y_AXIS] = a->extent (a, Y_AXIS);
+ return get_extent (unsmob_grob (smob), Y_AXIS);
+}
- Array<Box> boxes;
+MAKE_SCHEME_CALLBACK (Accidental_interface, width, 1);
+SCM
+Accidental_interface::width (SCM smob)
+{
+ return get_extent (unsmob_grob (smob), X_AXIS);
+}
- bool parens = false;
- if (to_boolean (a->get_property ("cautionary")))
+MAKE_SCHEME_CALLBACK (Accidental_interface, pure_height, 3);
+SCM
+Accidental_interface::pure_height (SCM smob, SCM start_scm, SCM)
+{
+ Item *me = dynamic_cast<Item*> (unsmob_grob (smob));
+ int start = scm_to_int (start_scm);
+ int rank = me->get_column ()->get_rank ();
+
+ if (to_boolean (me->get_property ("forced"))
+ || !unsmob_grob (me->get_object ("tie"))
+ || rank == start + 1) /* we are at the start of a line */
{
- SCM cstyle = a->get_property ("cautionary-style");
- parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
+ Stencil *s = unsmob_stencil (get_stencil (me));
+ if (s)
+ return ly_interval2scm (s->extent (Y_AXIS));
}
- SCM accs = a->get_property ("accidentals");
- SCM scm_style = a->get_property ("style");
- if (!scm_is_symbol (scm_style)
- && !parens
- && scm_ilength (accs) == 1)
+ return ly_interval2scm (Interval ());
+}
+
+vector<Box>
+Accidental_interface::accurate_boxes (Grob *me, Grob **common)
+{
+ Box b;
+ b[X_AXIS] = me->extent (me, X_AXIS);
+ b[Y_AXIS] = me->extent (me, Y_AXIS);
+
+ vector<Box> boxes;
+
+ bool parens = to_boolean (me->get_property ("parenthesized"));
+ if (!me->is_live ())
+ return boxes;
+
+ if (!to_boolean (me->get_property ("restore-first"))
+ && !parens)
{
- switch (scm_to_int (scm_car (accs)))
+ SCM alist = me->get_property ("glyph-name-alist");
+ SCM alt = me->get_property ("alteration");
+ string glyph_name = robust_scm2string (ly_assoc_get (alt, alist, SCM_BOOL_F),
+ "");
+
+ if (glyph_name == "accidentals.flat"
+ || glyph_name == "accidentals.mirroredflat")
{
- 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 (bulb);
- boxes.push (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 (belly);
- boxes.push (lstem);
- boxes.push (rstem);
- }
- break;
+ Box stem = b;
+ Box bulb = b;
+
+ /*
+ we could make the stem thinner, but that places the flats
+ really close.
+ */
+ Direction bulb_dir =
+ glyph_name == "accidentals.mirroredflat" ? LEFT : RIGHT;
+ stem[X_AXIS][bulb_dir] = stem[X_AXIS].center ();
+
/*
- TODO: add support for, double flat.
+ To prevent vertical alignment for 6ths
*/
+ stem[Y_AXIS] *= 1.1;
+ bulb[Y_AXIS][UP] *= .35;
+
+ boxes.push_back (bulb);
+ boxes.push_back (stem);
}
+ else if (glyph_name == "accidentals.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);
+ }
+ /*
+ TODO: add support for, double flat.
+ */
}
if (!boxes.size ())
- boxes.push (b);
-
- Offset o (a->relative_coordinate (common[X_AXIS], X_AXIS),
- a->relative_coordinate (common[Y_AXIS], Y_AXIS));
- for (int i = boxes.size (); i--;)
- {
- boxes[i].translate (o);
- }
+ boxes.push_back (b);
- return boxes;
-}
+ Offset o (me->relative_coordinate (common[X_AXIS], X_AXIS),
+ me->relative_coordinate (common[Y_AXIS], Y_AXIS));
-/*
- * 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.
- */
+ for (vsize i = boxes.size (); i--;)
+ boxes[i].translate (o);
-/*
- 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);
+ return boxes;
}
MAKE_SCHEME_CALLBACK (Accidental_interface, print, 1);
Accidental_interface::print (SCM smob)
{
Grob *me = unsmob_grob (smob);
- bool smaller = false;
- bool parens = false;
+ Grob *tie = unsmob_grob (me->get_object ("tie"));
- bool caut = to_boolean (me->get_property ("cautionary"));
- if (caut)
+ if (tie && !tie->original ()
+ && !to_boolean (me->get_property ("forced")))
{
- SCM cstyle = me->get_property ("cautionary-style");
- parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
- smaller = ly_is_equal (cstyle, ly_symbol2scm ("smaller"));
+ me->suicide ();
+ return SCM_EOL;
}
- 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)
+ return get_stencil (me);
+}
+
+SCM
+Accidental_interface::get_stencil (Grob *me)
+{
+ Font_metric *fm = Font_interface::get_default_font (me);
+
+ SCM alist = me->get_property ("glyph-name-alist");
+ SCM alt = me->get_property ("alteration");
+ SCM glyph_name = ly_assoc_get (alt, alist, SCM_BOOL_F);
+
+ if (!scm_is_string (glyph_name))
{
- SCM ac = Font_interface::music_font_alist_chain (me);
- /*
- 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->get_layout (), ac);
+ me->warning (_f ("Could not find glyph-name for alteration %s",
+ ly_scm_write_string (alt).c_str ()));
+ return SCM_EOL;
}
- else
- fm = Font_interface::get_default_font (me);
-
- Stencil mol;
- for (SCM s = me->get_property ("accidentals");
- scm_is_pair (s); s = scm_cdr (s))
+
+ Stencil mol (fm->find_by_name (ly_scm2string (glyph_name)));
+ if (to_boolean (me->get_property ("restore-first")))
{
- int alteration = scm_to_int (scm_car (s));
- String font_char = get_fontcharname (style, alteration);
- Stencil acc (fm->find_by_name ("accidentals." + font_char));
+ /*
+ this isn't correct for ancient accidentals, but they don't
+ use double flats/sharps anyway.
+ */
+ Stencil acc (fm->find_by_name ("accidentals.natural"));
if (acc.is_empty ())
- me->warning (_f ("accidental `%s' not found", font_char));
+ me->warning (_ ("natural alteration glyph not found"));
else
- mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1, 0);
+ mol.add_at_edge (X_AXIS, LEFT, acc, 0.1);
}
-
- if (parens)
+
+ if (to_boolean (me->get_property ("parenthesized")))
mol = parenthesize (me, mol);
return mol.smobbed_copy ();
}
-/*
- TODO: should move inside-slur into item?
-*/
-ADD_INTERFACE (Accidental_interface, "accidental-interface",
- "a single accidental",
- "inside-slur cautionary cautionary-style style tie accidentals");
+
+ADD_INTERFACE (Accidental_interface,
+ "A single accidental.",
+
+ /* properties */
+ "alteration "
+ "avoid-slur "
+ "forced "
+ "parenthesized "
+ "restore-first "
+ "glyph-name-alist "
+ "tie "
+ );