#include "rest.hh"
#include "molecule.hh"
#include "misc.hh"
-#include "group-interface.hh"
#include "spanner.hh"
#include "staff-symbol-referencer.hh"
#include "text-item.hh"
#include "percent-repeat-item.hh"
+#include "lookup.hh"
-bool
-Multi_measure_rest::has_interface (Grob*me)
-{
- return me->has_interface (ly_symbol2scm ("multi-measure-rest-interface"));
-}
MAKE_SCHEME_CALLBACK (Multi_measure_rest,percent,1);
SCM
Multi_measure_rest::percent (SCM smob)
{
-
Grob *me = unsmob_grob (smob);
Spanner *sp = dynamic_cast<Spanner*> (me);
Multi_measure_rest::brew_molecule (SCM smob)
{
Grob *me = unsmob_grob (smob);
- if (to_boolean (me->get_grob_property ("skip-timestep")))
- {
- me->set_grob_property ("skip-timestep", SCM_EOL);
- return SCM_EOL;
- }
-
Spanner * sp = dynamic_cast<Spanner*> (me);
SCM alist_chain = Font_interface::font_alist_chain (me);
-
- SCM style_chain =
- Font_interface::add_style (me, ly_symbol2scm ("mmrest-symbol"),
- alist_chain);
-
- Font_metric *musfont
- = Font_interface::get_font (me,style_chain);
-
- Real staff_space = Staff_symbol_referencer::staff_space (me);
-
Interval sp_iv;
Direction d = LEFT;
+
+ Grob *common = sp->get_bound (LEFT)->common_refpoint (sp->get_bound (RIGHT), X_AXIS);
do
{
Item * col = sp->get_bound (d)->column_l ();
- Interval coldim = col->extent (0, X_AXIS);
+ Interval coldim = col->extent (common, X_AXIS);
sp_iv[d] = coldim[-d] ;
}
while ((flip (&d)) != LEFT);
- Molecule mol;
- Real x_off = 0.0;
+
+ Real space = sp_iv.length();
Real rx = sp->get_bound (LEFT)->relative_coordinate (0, X_AXIS);
/*
we gotta stay clear of sp_iv, so move a bit to the right if
needed.
*/
- x_off += (sp_iv[LEFT] - rx) >? 0;
+ Real x_off = (sp_iv[LEFT] - rx) >? 0;
- /*
- center between stuff.
- */
- x_off += sp_iv.length ()/ 2;
-
- Molecule s;
+ Molecule mol;
+ mol.add_molecule (symbol_molecule (me, space));
+
+ int measures = 0;
+ SCM m (me->get_grob_property ("measure-count"));
+ if (gh_number_p (m))
+ {
+ measures = gh_scm2int (m);
+ }
+
+ SCM s = me->get_grob_property ("number-threshold");
+ if (measures > gh_scm2int (s))
+ {
+ Molecule s = Text_item::text2molecule (me,
+ ly_str02scm (to_str (measures).ch_C ()),
+ alist_chain);
+
+ s.align_to (X_AXIS, CENTER);
+ s.translate_axis (gh_scm2double (me->get_grob_property ("padding")) + 2,
+ Y_AXIS);
+
+ s.translate_axis (mol.extent (X_AXIS).center (), X_AXIS);
+ mol.add_molecule (s);
+ }
+ mol.translate_axis (x_off, X_AXIS);
+ return mol.smobbed_copy ();
+}
+
+Molecule
+Multi_measure_rest::symbol_molecule (Grob *me, Real space)
+{
int measures = 0;
SCM m (me->get_grob_property ("measure-count"));
if (gh_number_p (m))
SCM limit = me->get_grob_property ("expand-limit");
if (measures <= 0)
- return SCM_EOL;
+ return Molecule();
+
+ if (measures > gh_scm2int (limit))
+ {
+ Real padding = 0.15;
+ Molecule s = big_rest (me, (1.0 - 2*padding) * space);
+ s.translate_axis (padding * space, X_AXIS);
+ return s;
+ }
+
+ SCM alist_chain = Font_interface::font_alist_chain (me);
+
+ SCM style_chain =
+ Font_interface::add_style (me, ly_symbol2scm ("mmrest-symbol"),
+ alist_chain);
+
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+ Font_metric *musfont
+ = Font_interface::get_font (me,style_chain);
+
if (measures == 1)
{
- s = musfont->find_by_name (Rest::glyph_name (me, 0, ""));
+ Molecule s = musfont->find_by_name (Rest::glyph_name (me, 0, ""));
/*
ugh.
*/
if (Staff_symbol_referencer::position_f (me) == 0.0)
- s.translate_axis (Staff_symbol_referencer::staff_space (me), Y_AXIS);
+ s.translate_axis (staff_space, Y_AXIS);
+
+ s.translate_axis ((space - s.extent (X_AXIS).length ())/2, X_AXIS);
+
+ return s ;
}
- else if (measures <= gh_scm2int (limit))
+ else
{
- /*
- Build a rest from smaller parts. Distances inbetween are
- really variable, see Wanske pp. 125 */
+ return church_rest (me, musfont, measures, space);
+ }
+}
+
+
+
+Molecule
+Multi_measure_rest::big_rest (Grob *me, Real width)
+{
+ Real thick = gh_scm2double (me->get_grob_property ("thickness"));
+ Real ss = Staff_symbol_referencer::staff_space (me);
+
+ Real slt = me->paper_l ()->get_var ("linethickness");
+ Real y = slt * thick/2 * ss;
+ Box b(Interval (0, width), Interval (-y, y));
+ Real ythick = slt * ss;
+
+ Molecule m = Lookup::filledbox (b);
+ Molecule yb = Lookup::filledbox (Box (Interval (-ythick, ythick), Interval (-ss, ss)));
+
+ m.add_at_edge (X_AXIS, RIGHT, yb, -ythick);
+ m.add_at_edge (X_AXIS, LEFT, yb, -ythick);
+
+ m.align_to (X_AXIS, LEFT);
+
+ return m;
+}
- int l = measures;
- while (l)
+/*
+ Kirchenpause (?)
+ */
+Molecule
+Multi_measure_rest::church_rest (Grob*me, Font_metric *musfont, int measures,
+ Real space)
+{
+ SCM mols = SCM_EOL;
+
+ /*
+ see Wanske pp. 125
+ */
+ int l = measures;
+ int count = 0;
+ Real symbols_width = 0.0;
+ while (l)
+ {
+ int k;
+ if (l >= 4)
{
- int k;
- if (l >= 4)
- {
- l-=4;
- k = -2;
- }
- else if (l>= 2)
- {
- l -= 2;
- k = -1;
- }
- else
- {
- k = 0;
- l --;
- }
-
- Real pad = s.empty_b ()
- ? 0.0 : gh_scm2double (me->get_grob_property ("padding")) * staff_space;
-
- Molecule r (musfont->find_by_name ("rests-" + to_str (k)));
- if (k == 0)
- r.translate_axis (staff_space, Y_AXIS);
-
- s.add_at_edge (X_AXIS, RIGHT, r, pad);
+ l-=4;
+ k = -2;
+ }
+ else if (l>= 2)
+ {
+ l -= 2;
+ k = -1;
+ }
+ else
+ {
+ k = 0;
+ l --;
}
-
- s.align_to (X_AXIS, CENTER);
+ Molecule r (musfont->find_by_name ("rests-" + to_str (k)));
+ if (k == 0)
+ {
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+ r.translate_axis (staff_space, Y_AXIS);
+ }
+ symbols_width += r.extent (X_AXIS).length ();
+ mols = gh_cons (r.smobbed_copy (), mols);
+ count ++;
}
- else
+
+
+
+ Real outer_padding_factor = 1.5; // make outer padding this much bigger.
+ Real inner_padding = (space - symbols_width) / (2 * outer_padding_factor + (count-1));
+ if (inner_padding < 0)
{
- String idx = ("rests-") + to_str (-4);
- s = musfont->find_by_name (idx);
+ inner_padding = 1.0;
}
- mol.add_molecule (s);
-
- if (measures > 1)
+ Molecule mol;
+ for (SCM s = mols; gh_pair_p (s); s = gh_cdr(s))
{
- Molecule s = Text_item::text2molecule (me,
- ly_str02scm (to_str (measures).ch_C ()),
- alist_chain);
- s.align_to (X_AXIS, CENTER);
- s.translate_axis (3.0 * staff_space, Y_AXIS);
- mol.add_molecule (s);
+ mol.add_at_edge (X_AXIS, LEFT, *unsmob_molecule (gh_car (s)), inner_padding);
}
- mol.translate_axis (x_off, X_AXIS);
- return mol.smobbed_copy ();
+ mol.align_to (X_AXIS, LEFT);
+ mol.translate_axis (outer_padding_factor * inner_padding, X_AXIS);
+
+ return mol;
}
-/*
- UGH. JUNKME elt prop "columns" isn't really needed.
- */
void
Multi_measure_rest::add_column (Grob*me,Item* c)
{
- Pointer_group_interface::add_grob (me, ly_symbol2scm ("columns"),c);
-
add_bound_item (dynamic_cast<Spanner*> (me),c);
}
SCM
Multi_measure_rest::set_spacing_rods (SCM smob)
{
+ return SCM_UNSPECIFIED;
+
Grob*me = unsmob_grob (smob);
Spanner*sp = dynamic_cast<Spanner*> (me);
Item * rb = r->find_prebroken_piece (LEFT);
Item* combinations[4][2]={{l,r}, {lb,r}, {l,rb},{lb,rb}};
- Real staff_space = Staff_symbol_referencer::staff_space (me);
+
+ Real sym_width = symbol_molecule (me, 0.0).extent (X_AXIS).length ();
+
for (int i=0; i < 4; i++)
{
Item * l = combinations[i][0];
rod.item_l_drul_[LEFT] = l;
rod.item_l_drul_[RIGHT] = r;
- /*
- should do something more advanced.
- */
+
rod.distance_f_ = l->extent (l, X_AXIS)[BIGGER] - r->extent (r, X_AXIS)[SMALLER]
- + gh_scm2double (me->get_grob_property ("minimum-width")) * staff_space;
+ + sym_width + 2.0; // 2.0 = magic!
rod.add_to_cols ();
}
"A rest that spans a whole number of measures. For typesetting the
numbers, fields from font-interface may be used.
-padding is the space between number and rest. Measured in staffspace.
",
- "columns measure-count expand-limit minimum-width padding");
+ "expand-limit measure-count number-threshold padding thickness");