source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
+#include "note-head.hh"
+
#include <math.h>
-#include <ctype.h>
+#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 "note-head.hh"
#include "warn.hh"
#include "font-interface.hh"
-#include "stencil.hh"
-#include "event.hh"
+#include "music.hh"
#include "rhythmic-head.hh"
#include "staff-symbol-referencer.hh"
#include "lookup.hh"
clean up the mess left by ledger line handling.
*/
static Stencil
-internal_print (Grob *me)
+internal_print (Grob *me, String *font_char)
{
- SCM style = me->get_property ("style");
+ SCM style = me->get_property ("style");
if (!scm_is_symbol (style))
{
- return Stencil ();
+ style = ly_symbol2scm ("default");
}
SCM log = scm_int2num (Note_head::get_balltype (me));
- SCM proc = me->get_property ("glyph-name-procedure");
- SCM scm_font_char = scm_call_2 (proc, log, style);
- String font_char = "noteheads-" + ly_scm2string (scm_font_char);
+ 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));
+ }
+ 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 (font_char);
+ Stencil out = fm->find_by_name (idx);
if (out.is_empty ())
{
- me->warning (_f ("note head `%s' not found", font_char.to_str0 ()));
+ 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");
+ String idx = prefix + ((stem_dir == UP) ? "u" : "d") + suffix;
+ out = fm->find_by_name (idx);
}
- return out;
-}
-
-
-MAKE_SCHEME_CALLBACK (Note_head,print,1);
-SCM
-Note_head::print (SCM smob)
-{
- Grob *me = unsmob_grob (smob);
-
- return internal_print (me).smobbed_copy ();
-}
-
-/*
- Compute the width the head without ledgers.
-
- -- there used to be some code from the time that ledgers
- did take space. Nowadays, we can simply take the standard extent.
- */
-Interval
-Note_head::head_extent (Grob *me, Axis a)
-{
- SCM brewer = me->get_property ("print-function");
- if (brewer == Note_head::print_proc)
+ if (out.is_empty ())
{
- Stencil mol = internal_print (me);
-
- if (!mol.is_empty ())
- return mol.extent (a);
+ me->warning (_f ("note head `%s' not found", idx.to_str0 ()));
}
else
{
- Stencil * mol = me->get_stencil ();
- if (mol)
- return mol->extent (a) ;
+ *font_char = idx;
}
-
- return Interval (0,0);
-}
-
-/*
- This is necessary to prevent a cyclic dependency: the appearance of
- the ledgers depends on positioning, so the Grob::get_stencil () can
- not be used for determining the note head extent.
-
- */
-MAKE_SCHEME_CALLBACK (Note_head,extent,2);
-SCM
-Note_head::extent (SCM smob, SCM axis)
-{
- Grob *me = unsmob_grob (smob);
- return ly_interval2scm (head_extent (me, (Axis) scm_to_int (axis)));
+ return out;
}
-MAKE_SCHEME_CALLBACK (Note_head,brew_ez_stencil,1);
+MAKE_SCHEME_CALLBACK (Note_head, print, 1);
SCM
-Note_head::brew_ez_stencil (SCM smob)
+Note_head::print (SCM smob)
{
Grob *me = unsmob_grob (smob);
- int l = Note_head::get_balltype (me);
-
- int b = (l >= 2);
- SCM cause = me->get_property ("cause");
- SCM spitch = unsmob_music (cause)->get_property ("pitch");
- Pitch* pit = unsmob_pitch (spitch);
-
- SCM idx = scm_int2num (pit->get_notename ());
- SCM names = me->get_property ("note-names");
- SCM charstr = SCM_EOL;
- if (ly_c_vector_p (names))
- charstr = scm_vector_ref (names, idx);
- else
- {
- char s[2] = "a";
- s[0] = (pit->get_notename () + 2)%7 + 'a';
- s[0] = toupper (s[0]);
- charstr = scm_makfrom0str (s);
- }
-
- SCM at = scm_list_n (ly_symbol2scm ("ez-ball"),
- charstr,
- scm_int2num (b),
- scm_int2num (1-b),
- SCM_UNDEFINED);
- Box bx (Interval (0, 1.0), Interval (-0.5, 0.5));
- Stencil m (bx, at);
-
- return m.smobbed_copy ();
+ 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);
-
+ Font_metric *fm = Font_interface::get_default_font (me);
+
if (brewer == Note_head::print_proc)
{
- SCM style = me->get_property ("style");
- if (!scm_is_symbol (style))
- {
- return 0.0;
- }
-
- SCM log = scm_int2num (Note_head::get_balltype (me));
- SCM proc = me->get_property ("glyph-name-procedure");
- SCM scm_font_char = scm_call_2 (proc, log, style);
- String font_char = "noteheads-" + ly_scm2string (scm_font_char);
-
- int k = fm->name_to_index (font_char) ;
+ 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->get_indexed_wxwy (k);
+ Offset wxwy = fm->attachment_point (key);
Interval v = b[a];
if (!v.is_empty ())
return 2 * (wxwy[a] - v.center ()) / v.length ();
}
}
-
+
/*
Fallback
- */
+ */
SCM v = me->get_property ("stem-attachment-function");
- if (!ly_c_procedure_p (v))
+ if (!ly_is_procedure (v))
return 0.0;
-
+
SCM result = scm_call_2 (v, me->self_scm (), scm_int2num (a));
- if (!ly_c_pair_p (result))
+ if (!scm_is_pair (result))
return 0.0;
- result = (a == X_AXIS) ? ly_car (result) : ly_cdr (result);
-
- return robust_scm2double (result,0);
+ result = (a == X_AXIS) ? scm_car (result) : scm_cdr (result);
+
+ return robust_scm2double (result, 0);
}
int
-Note_head::get_balltype (Grob*me)
+Note_head::get_balltype (Grob *me)
{
SCM s = me->get_property ("duration-log");
- return scm_is_number (s) ? scm_to_int (s) <? 2 : 0;
+ return scm_is_number (s) ? min (scm_to_int (s), 2) : 0;
}
-ADD_INTERFACE (Note_head,"note-head-interface",
- "Note head",
- "note-names glyph-name-procedure accidental-grob style stem-attachment-function");
+ADD_INTERFACE (Note_head, "note-head-interface",
+ "Note head",
+ "note-names glyph-name-procedure accidental-grob style stem-attachment-function");
projects / lilypond.git / blobdiff