source file of the GNU LilyPond music typesetter
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
-#include "sustain-pedal.hh"
-#include "side-position-interface.hh"
+#include "grob.hh"
#include "molecule.hh"
-#include "lookup.hh"
-#include "staff-symbol-referencer.hh"
+#include "font-interface.hh"
+#include "string.hh"
+
+// update comment --hwn
+/*
+ Urg.
+ This is almost text
+ Problem is:
+ * we have no kerning
+ * symbols are at wrong place in font
+
+
+
+ Properties:
+
+ glyph -- text string (TODO: make one large glyph of the Ped symbol, removes need for member_brew_molecule ())
-void
-Sustain_pedal::after_line_breaking ()
+*/
+
+struct Sustain_pedal
{
- /*
- UGH. Should work automatically via offset callback.
- */
- Side_position_interface i (this);
- Direction d = i.get_direction ();
- i.set_direction (d);
-}
+public:
+ DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM));
+};
+
-Molecule
-Sustain_pedal::do_brew_molecule () const
+MAKE_SCHEME_CALLBACK (Sustain_pedal,brew_molecule,1);
+SCM
+Sustain_pedal::brew_molecule (SCM smob)
{
+ Grob * e = unsmob_grob (smob);
+
Molecule mol;
- SCM glyph = get_elt_property ("text");
- if (glyph == SCM_UNDEFINED)
- return mol;
+ SCM glyph = e->get_grob_property ("text");
+ if (!gh_string_p (glyph))
+ return mol.smobbed_copy ();
String text = ly_scm2string (glyph);
- for (int i = 0; i < text.length_i (); i++)
+ for (int i = 0; i < text.length (); i++)
{
- String idx = String ("pedal-") + String (&text.byte_C ()[i], 1);
- Molecule m = lookup_l ()->afm_find (idx);
- if (m.empty_b ())
- continue;
- Real kern = 0;
- if (i)
+ String idx ("pedal-");
+ if (text.cut_string (i, 3) == "Ped")
{
- SCM s = scm_eval (gh_list (ly_symbol2scm ("pedal-kerning"),
- ly_str02scm (String (&text.byte_C ()[i - 1], 1).ch_C ()),
- ly_str02scm (String (&text.byte_C ()[i], 1).ch_C ()),
- SCM_UNDEFINED));
- if (gh_number_p (s))
- {
- Staff_symbol_referencer_interface st (this);
- Real staff_space = st.staff_space ();
- kern = gh_scm2double (s) * staff_space;
- }
+ idx += "Ped";
+ i += 2;
}
- mol.add_at_edge (X_AXIS, RIGHT, m, kern);
+ else
+ idx += String (&text.to_bytes ()[i], 1);
+ Molecule m = Font_interface::get_default_font (e)->find_by_name (idx);
+ if (!m.empty_b ())
+ mol.add_at_edge (X_AXIS, RIGHT, m, 0, 0);
}
- return mol;
+ return mol.smobbed_copy ();
}
-