source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "note-head.hh"
#include <cmath>
#include <cctype>
#include <algorithm> // min, max
+
using namespace std;
#include "directional-element-interface.hh"
-#include "staff-symbol.hh"
-#include "misc.hh"
-#include "dots.hh"
-#include "warn.hh"
#include "font-interface.hh"
-#include "music.hh"
-#include "rhythmic-head.hh"
-#include "staff-symbol-referencer.hh"
-#include "lookup.hh"
-#include "output-def.hh"
+#include "international.hh"
+#include "warn.hh"
+#include "grob.hh"
-/*
- clean up the mess left by ledger line handling.
-*/
static Stencil
-internal_print (Grob *me, String *font_char)
+internal_print (Grob *me, string *font_char)
{
SCM style = me->get_property ("style");
if (!scm_is_symbol (style))
style = ly_symbol2scm ("default");
- SCM log = scm_from_int (Note_head::get_balltype (me));
- String suffix = to_string (min (robust_scm2int (me->get_property ("duration-log"), 2), 2));
+ string suffix = to_string (min (robust_scm2int (me->get_property ("duration-log"), 2), 2));
if (style != ly_symbol2scm ("default"))
{
- SCM proc = me->get_property ("glyph-name-procedure");
- if (ly_is_procedure (proc))
- suffix = ly_scm2string (scm_call_2 (proc, log, style));
+ SCM gn = me->get_property ("glyph-name");
+ if (scm_is_string (gn))
+ suffix = ly_scm2string (gn);
}
- Font_metric *fm = Font_interface::get_default_font (me);
- String idx = "noteheads.s" + suffix;
+ Font_metric *fm = Font_interface::get_default_font (me);
- Stencil out = fm->find_by_name (idx);
+ 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.";
+ 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 = prefix + ((stem_dir == UP) ? "u" : "d") + suffix;
- out = fm->find_by_name (idx);
+
+ idx_directed = idx_either =
+ prefix + ((stem_dir == UP) ? "u" : "d") + suffix;
+ out = fm->find_by_name (idx_directed);
}
+
if (out.is_empty ())
{
- me->warning (_f ("note head `%s' not found", idx.to_str0 ()));
+ 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;
+ *font_char = idx_either;
return out;
}
+/*
+ TODO: make stem X-parent of notehead.
+ */
+MAKE_SCHEME_CALLBACK (Note_head, stem_x_shift, 1);
+SCM
+Note_head::stem_x_shift (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ Grob *stem = unsmob_grob (me->get_object ("stem"));
+ if (stem)
+ (void) stem->get_property ("positioning-done");
+
+ return scm_from_int (0);
+}
+
MAKE_SCHEME_CALLBACK (Note_head, print, 1);
SCM
Note_head::print (SCM smob)
{
Grob *me = unsmob_grob (smob);
- String idx;
+ string idx;
return internal_print (me, &idx).smobbed_copy ();
}
Real
Note_head::stem_attachment_coordinate (Grob *me, Axis a)
{
- SCM brewer = me->get_property ("print-function");
- Font_metric *fm = Font_interface::get_default_font (me);
+ Offset off = robust_scm2offset (me->get_property ("stem-attachment"),
+ Offset (0,0));
+
+ return off [a];
+}
- if (brewer == Note_head::print_proc)
+Offset
+Note_head::get_stem_attachment (Font_metric *fm, string key)
+{
+ Offset att;
+
+ int k = fm->name_to_index (key);
+ if (k >= 0)
{
- String key;
- internal_print (me, &key);
-
- int k = fm->name_to_index (key);
- if (k >= 0)
+ Box b = fm->get_indexed_char (k);
+ Offset wxwy = fm->attachment_point (key);
+ for (int i = X_AXIS ; i < NO_AXES; i++)
{
- Box b = fm->get_indexed_char (k);
- Offset wxwy = fm->attachment_point (key);
+ Axis a = Axis (i);
+
Interval v = b[a];
if (!v.is_empty ())
- return 2 * (wxwy[a] - v.center ()) / v.length ();
+ {
+ att[a] = (2 * (wxwy[a] - v.center ()) / v.length ());
+ }
}
}
- /*
- Fallback
- */
- SCM v = me->get_property ("stem-attachment-function");
- if (!ly_is_procedure (v))
- return 0.0;
-
- SCM result = scm_call_2 (v, me->self_scm (), scm_from_int (a));
- if (!scm_is_pair (result))
- return 0.0;
-
- result = (a == X_AXIS) ? scm_car (result) : scm_cdr (result);
-
- return robust_scm2double (result, 0);
+ return att;
}
-int
-Note_head::get_balltype (Grob *me)
+MAKE_SCHEME_CALLBACK (Note_head, calc_stem_attachment, 1);
+SCM
+Note_head::calc_stem_attachment (SCM smob)
{
- SCM s = me->get_property ("duration-log");
- return scm_is_number (s) ? min (scm_to_int (s), 2) : 0;
+ 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-interface",
- "Note head",
+
+ADD_INTERFACE (Note_head,
+ "Note head.",
/* properties */
"note-names "
- "glyph-name-procedure "
"accidental-grob "
+ "glyph-name "
+ "stem-attachment "
"style "
- "stem-attachment-function");
+ );