#include "font-interface.hh"
#include "grob-array.hh"
#include "lookup.hh"
-#include "lookup.hh"
#include "moment.hh"
#include "output-def.hh"
#include "paper-score.hh"
Paper_column::when_mom (Grob *me)
{
SCM m = me->get_property ("when");
- if (Moment *when = Moment::unsmob (m))
+ if (Moment *when = unsmob<Moment> (m))
return *when;
return Moment (0);
}
{
SCM m = me->get_property ("shortest-starter-duration");
Moment s (0);
- if (Moment::unsmob (m))
- s = *Moment::unsmob (m);
+ if (unsmob<Moment> (m))
+ s = *unsmob<Moment> (m);
return s != Moment (0);
}
for (LEFT_and_RIGHT (d))
{
- Skyline_pair *sp = Skyline_pair::unsmob (cols[d]->get_property ("horizontal-skylines"));
+ Skyline_pair *sp = unsmob<Skyline_pair> (cols[d]->get_property ("horizontal-skylines"));
if (sp)
skys[d] = (*sp)[-d];
}
for (;!align && scm_is_pair (align_syms); align_syms = scm_cdr (align_syms))
{
SCM align_sym = scm_car (align_syms);
- if (align_sym == ly_symbol2scm ("staff-bar")
- || align_sym == ly_symbol2scm ("break-alignment"))
+ if (scm_is_eq (align_sym, ly_symbol2scm ("staff-bar"))
+ || scm_is_eq (align_sym, ly_symbol2scm ("break-alignment")))
align = Pointer_group_interface::find_grob
(me, ly_symbol2scm ("elements"),
- (align_sym == ly_symbol2scm ("staff-bar")
+ (scm_is_eq (align_sym, ly_symbol2scm ("staff-bar"))
? Bar_line::non_empty_barline
- : Break_alignment_interface::has_interface));
+ : has_interface<Break_alignment_interface>));
else
{
extract_grob_set (me, "elements", elts);
for (vsize i = 0; i < elts.size (); i++)
{
- if (elts[i]->get_property ("break-align-symbol") == align_sym
+ if (scm_is_eq (align_sym, elts[i]->get_property ("break-align-symbol"))
+ // TODO SCM: there must be a simpler way to put this.
&& !elts[i]->extent (elts[i], X_AXIS).is_empty ())
{
align = elts[i];
return align->extent (p, X_AXIS);
}
+LY_DEFINE (ly_paper_column__break_align_width, "ly:paper-column::break-align-width",
+ 2, 0, 0, (SCM col, SCM align_syms),
+ "Determine the extent along the X-axis of a grob used for"
+ " break-alignment organized by column @var{col}. The grob is"
+ " specified by @var{align-syms}, which contains either a"
+ " single @code{break-align-symbol} or a list of such"
+ " symbols.")
+{
+ LY_ASSERT_SMOB (Grob, col, 1);
+ SCM_ASSERT_TYPE (scm_is_symbol (align_syms) || ly_is_list (align_syms),
+ align_syms, SCM_ARG2, __FUNCTION__, "symbol or list");
+
+ Interval ext = Paper_column::break_align_width (unsmob<Grob> (col), align_syms);
+ return ly_interval2scm (ext);
+}
+
/*
Loop through elements of a PaperColumn, find all grobs implementing specified
interface and return their combined extent.
SCM
Paper_column::print (SCM p)
{
- Paper_column *me = dynamic_cast<Paper_column *> (Grob::unsmob (p));
+ Paper_column *me = unsmob<Paper_column> (p);
string r = ::to_string (Paper_column::get_rank (me));
- Moment *mom = Moment::unsmob (me->get_property ("when"));
+ Moment *mom = unsmob<Moment> (me->get_property ("when"));
string when = mom ? mom->to_string () : "?/?";
Font_metric *musfont = Font_interface::get_default_font (me);
SCM when_mol = Text_interface::interpret_markup (me->layout ()->self_scm (),
properties,
ly_string2scm (when));
- Stencil t = *Stencil::unsmob (scm_mol);
+ Stencil t = *unsmob<Stencil> (scm_mol);
t.scale (1.2, 1.4);
- t.add_at_edge (Y_AXIS, DOWN, *Stencil::unsmob (when_mol), 0.1);
+ t.add_at_edge (Y_AXIS, DOWN, *unsmob<Stencil> (when_mol), 0.1);
t.align_to (X_AXIS, LEFT);
// compensate for font serifs and half letter-distance
t.translate (Offset (-0.1, 0));
for (SCM s = me->get_object ("ideal-distances");
scm_is_pair (s); s = scm_cdr (s))
{
- Spring *sp = Spring::unsmob (scm_caar (s));
- if (!Grob::is_smob (scm_cdar (s))
- || !Grob::unsmob (scm_cdar (s))->get_system ())
+ Spring *sp = unsmob<Spring> (scm_caar (s));
+ if (!unsmob<Grob> (scm_cdar (s))
+ || !unsmob<Grob> (scm_cdar (s))->get_system ())
continue;
j++;
SCM stil = Text_interface::interpret_markup (me->layout ()->self_scm (),
properties,
ly_string2scm (String_convert::form_string ("%5.2lf", sp->distance ())));
- Stencil *number_stc = Stencil::unsmob (stil);
+ Stencil *number_stc = unsmob<Stencil> (stil);
number_stc->scale (1, 1.1);
Real num_height = number_stc->extent (Y_AXIS).length ();
Real num_len = number_stc->extent (X_AXIS).length ();
scm_is_pair (s); s = scm_cdr (s))
{
Real dist = scm_to_double (scm_cdar (s));
- Grob *other = Grob::unsmob (scm_caar (s));
+ Grob *other = unsmob<Grob> (scm_caar (s));
if (!other || other->get_system () != me->get_system ())
continue;
SCM stil = Text_interface::interpret_markup (me->layout ()->self_scm (),
properties,
ly_string2scm (String_convert::form_string ("%5.2lf", dist)));
- Stencil *number_stc = Stencil::unsmob (stil);
+ Stencil *number_stc = unsmob<Stencil> (stil);
number_stc->scale (1, 1.1);
Real num_height = number_stc->extent (Y_AXIS).length ();
Real num_len = number_stc->extent (X_AXIS).length ();
return t.smobbed_copy ();
}
+static bool grob_is_live (const Grob *g)
+{
+ return g && g->is_live ();
+}
+
/*
This is all too hairy. We use bounded-by-me to make sure that some
columns are kept "alive". Unfortunately, when spanners are suicided,
SCM
Paper_column::before_line_breaking (SCM grob)
{
- Grob *me = Grob::unsmob (grob);
-
- SCM bbm = me->get_object ("bounded-by-me");
- Grob_array *ga = Grob_array::unsmob (bbm);
- if (!ga)
- return SCM_UNSPECIFIED;
-
- vector<Grob *> &array (ga->array_reference ());
+ Grob *me = unsmob<Grob> (grob);
- for (vsize i = array.size (); i--;)
- {
- Grob *g = array[i];
-
- if (!g || !g->is_live ())
- /* UGH . potentially quadratic. */
- array.erase (array.begin () + i);
- }
+ if (Grob_array *ga = unsmob<Grob_array> (me->get_object ("bounded-by-me")))
+ ga->filter (grob_is_live);
return SCM_UNSPECIFIED;
}
bool has_notehead = false;
for (vsize i = 0; i < elts.size (); i++)
{
- if (Rhythmic_head::has_interface (elts[i]))
+ if (has_interface<Rhythmic_head> (elts[i]))
{
has_notehead = true;
if (dynamic_cast<Item *> (elts[i])->get_column () == me)
projects / lilypond.git / blobdiff