source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "misc.hh"
-#include "dots.hh"
#include "note-head.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "molecule.hh"
-#include "musical-request.hh"
-#include "stem.hh"
-
-void
-Note_head::flip_around_stem (Direction d)
-{
- translate_axis (do_width ().length () * d, X_AXIS);
-}
-Note_head::Note_head ()
-{
-}
+#include <cmath>
+#include <cctype>
+#include <algorithm> // min, max
+
+using namespace std;
+
+#include "directional-element-interface.hh"
+#include "font-interface.hh"
+#include "international.hh"
+#include "warn.hh"
+#include "grob.hh"
-void
-Note_head::do_pre_processing ()
+static Stencil
+internal_print (Grob *me, string *font_char)
{
- Rhythmic_head::do_pre_processing ();
+ SCM style = me->get_property ("style");
+ if (!scm_is_symbol (style))
+ style = ly_symbol2scm ("default");
- // 8 ball looks the same as 4 ball:
- String type;
- SCM style = get_elt_property ("style");
- if (style != SCM_UNDEFINED)
+ string suffix = to_string (min (robust_scm2int (me->get_property ("duration-log"), 2), 2));
+ if (style != ly_symbol2scm ("default"))
{
- type = ly_scm2string (style);
+ SCM gn = me->get_property ("glyph-name");
+ if (scm_is_string (gn))
+ suffix = ly_scm2string (gn);
}
-
-
- if (balltype_i_ > 2 || type == "harmonic" || type == "cross")
- balltype_i_ = 2;
- if (dots_l_) // move into Rhythmic_head?
- dots_l_->set_position(int (position_f ()));
+ Font_metric *fm = Font_interface::get_default_font (me);
-
-}
+ string idx_symmetric;
+ string idx_directed;
+ string idx_either;
+ idx_symmetric = idx_either = "noteheads.s" + suffix;
+ Stencil out = fm->find_by_name (idx_symmetric);
+ if (out.is_empty ())
+ {
+ string prefix = "noteheads.";
+ Grob *stem = unsmob_grob (me->get_object ("stem"));
+ Direction stem_dir = stem ? get_grob_direction (stem) : CENTER;
+
+ if (stem_dir == CENTER)
+ programming_error ("must have stem dir for note head");
+
+ idx_directed = idx_either =
+ prefix + ((stem_dir == UP) ? "u" : "d") + suffix;
+ out = fm->find_by_name (idx_directed);
+ }
-int
-Note_head::compare (Note_head *const &a, Note_head * const &b)
-{
- return sign(a->position_f () - b->position_f ());
+ if (out.is_empty ())
+ {
+ me->warning (_f ("none of note heads `%s' or `%s' found",
+ idx_symmetric.c_str (), idx_directed.c_str ()));
+ out = Stencil (Box (Interval (0, 0), Interval (0, 0)), SCM_EOL);
+ }
+ else
+ *font_char = idx_either;
+
+ return out;
}
-/**
- Don't account for ledgerlines in the width.
+/*
+ TODO: make stem X-parent of notehead.
*/
-Interval
-Note_head::do_width () const
+MAKE_SCHEME_CALLBACK (Note_head, stem_x_shift, 1);
+SCM
+Note_head::stem_x_shift (SCM smob)
{
- return make_molecule ().dim_[X_AXIS];
-}
+ Grob *me = unsmob_grob (smob);
+ Grob *stem = unsmob_grob (me->get_object ("stem"));
+ if (stem)
+ (void) stem->get_property ("positioning-done");
-Molecule
-Note_head::make_molecule () const
-{
- String type;
- SCM style = get_elt_property ("style");
- if (style != SCM_UNDEFINED)
- {
- type = ly_scm2string (style);
- }
-
- return lookup_l()->afm_find (String ("noteheads-")
- + to_str (balltype_i_) + type);
+ return scm_from_int (0);
}
-Molecule*
-Note_head::do_brew_molecule_p() const
+MAKE_SCHEME_CALLBACK (Note_head, print, 1);
+SCM
+Note_head::print (SCM smob)
{
- Real inter_f = staff_line_leading_f ()/2;
- int sz = lines_i ()-1;
+ Grob *me = unsmob_grob (smob);
- int streepjes_i = abs (position_f ()) < sz
- ? 0
- : (abs((int)position_f ()) - sz) /2;
-
- Molecule* out = new Molecule (make_molecule ());
+ string idx;
+ return internal_print (me, &idx).smobbed_copy ();
+}
- Box b = out->dim_;
+Real
+Note_head::stem_attachment_coordinate (Grob *me, Axis a)
+{
+ Offset off = robust_scm2offset (me->get_property ("stem-attachment"),
+ Offset (0,0));
+
+ return off [a];
+}
- if (streepjes_i)
+Offset
+Note_head::get_stem_attachment (Font_metric *fm, string key)
+{
+ Offset att;
+
+ int k = fm->name_to_index (key);
+ if (k >= 0)
{
- Direction dir = (Direction)sign (position_f ());
- Interval hd = out->dim_[X_AXIS];
- Real hw = hd.length ()/4;
-
- Molecule ledger
- = lookup_l ()->ledger_line (Interval (hd[LEFT] - hw,
- hd[RIGHT] + hw));
-
- int parity = abs(int (position_f ())) % 2;
-
- for (int i=0; i < streepjes_i; i++)
+ Box b = fm->get_indexed_char (k);
+ Offset wxwy = fm->attachment_point (key);
+ for (int i = X_AXIS ; i < NO_AXES; i++)
{
- Molecule s (ledger);
- s.translate_axis (-dir * inter_f * (i*2 + parity),
- Y_AXIS);
- out->add_molecule (s);
+ Axis a = Axis (i);
+
+ Interval v = b[a];
+ if (!v.is_empty ())
+ {
+ att[a] = (2 * (wxwy[a] - v.center ()) / v.length ());
+ }
}
}
- out->dim_ = b;
- return out;
+ return att;
+}
+
+MAKE_SCHEME_CALLBACK (Note_head, calc_stem_attachment, 1);
+SCM
+Note_head::calc_stem_attachment (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ Font_metric *fm = Font_interface::get_default_font (me);
+ string key;
+ internal_print (me, &key);
+
+ return ly_offset2scm (get_stem_attachment (fm, key));
}
+
+ADD_INTERFACE (Note_head,
+ "Note head.",
+
+ /* properties */
+ "note-names "
+ "accidental-grob "
+ "glyph-name "
+ "stem-attachment "
+ "style "
+ );
+
projects / lilypond.git / blobdiff