-/*
- multi-measure-rest.cc -- implement Multi_measure_rest
-
+/*
+ multi-measure-rest.cc -- implement Multi_measure_rest
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--1999, 1999 Jan Nieuwenhuizen <janneke@gnu.org>
-
- */
+
+ (c) 1998--2008 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
#include "multi-measure-rest.hh"
-#include "debug.hh"
-#include "paper-def.hh"
-#include "p-col.hh" // urg
-#include "bar.hh"
-#include "lookup.hh"
+
+#include "warn.hh"
+#include "output-def.hh"
+#include "paper-column.hh" // urg
+#include "font-interface.hh"
#include "rest.hh"
-#include "script.hh"
-#include "text-def.hh"
-#include "molecule.hh"
#include "misc.hh"
+#include "spanner.hh"
+#include "staff-symbol-referencer.hh"
+#include "system.hh"
+#include "text-interface.hh"
+#include "percent-repeat-item.hh"
+#include "lookup.hh"
+#include "separation-item.hh"
-
-Multi_measure_rest::Multi_measure_rest ()
+Interval
+Multi_measure_rest::bar_width (Spanner *me)
{
- measures_i_ = 0;
+ Interval iv;
+ Direction d = LEFT;
+ do
+ {
+ Item *col = me->get_bound (d)->get_column ();
+
+ Interval coldim = Paper_column::break_align_width (col);
+
+ iv[d] = coldim[-d];
+ }
+ while ((flip (&d)) != LEFT);
+
+ return iv;
}
-void
-Multi_measure_rest::do_print () const
+MAKE_SCHEME_CALLBACK (Multi_measure_rest, percent, 1);
+SCM
+Multi_measure_rest::percent (SCM smob)
{
- DOUT << "measures_i_ " << measures_i_;
+ Grob *me = unsmob_grob (smob);
+ Spanner *sp = dynamic_cast<Spanner *> (me);
+
+ Stencil r = Percent_repeat_item_interface::x_percent (me, 1);
+
+ // ugh copy & paste.
+
+ Grob *common_x = sp->get_bound (LEFT)->common_refpoint (sp->get_bound (RIGHT),
+ X_AXIS);
+ Interval sp_iv = bar_width (sp);
+ Real x_off = 0.0;
+
+ Real rx = sp->get_bound (LEFT)->relative_coordinate (common_x, X_AXIS);
+ /*
+ we gotta stay clear of sp_iv, so move a bit to the right if
+ needed.
+ */
+ x_off += max (sp_iv[LEFT] - rx, 0.0);
+
+ /*
+ center between stuff.
+ */
+ x_off += sp_iv.length () / 2;
+
+ r.translate_axis (x_off, X_AXIS);
+
+ return r.smobbed_copy ();
}
-Molecule*
-Multi_measure_rest::do_brew_molecule_p () const
+MAKE_SCHEME_CALLBACK (Multi_measure_rest, print, 1);
+SCM
+Multi_measure_rest::print (SCM smob)
{
+ Grob *me = unsmob_grob (smob);
+ Spanner *sp = dynamic_cast<Spanner *> (me);
+
+ Interval sp_iv = bar_width (sp);
+ Real space = sp_iv.length ();
+
+ Real rx = sp->get_bound (LEFT)->relative_coordinate (0, X_AXIS);
/*
- [TODO] 17
- * variable-sized multi-measure rest symbol: |====| ??
- * build 3, 5, 6, 7, 8 symbols (how far, property?)
- from whole, brevis and longa rests
- */
- Molecule* mol_p = new Molecule;
- if (!column_arr_.size ())
- return mol_p;
-
- Molecule s;
- if (measures_i_ == 1 || measures_i_ == 2 || measures_i_ == 4)
- {
- s = (lookup_l ()->rest (- intlog2(measures_i_), 0));
- s.translate_axis (-s.extent ()[X_AXIS].length () / 2, X_AXIS);
- }
- else
- {
- s = (lookup_l ()->rest (-4, 0));
- }
- mol_p->add_molecule (s);
- Real interline_f = paper ()->interline_f ();
- if (measures_i_ == 1)
+ we gotta stay clear of sp_iv, so move a bit to the right if
+ needed.
+ */
+ Real x_off = max (sp_iv[LEFT] - rx, 0.0);
+
+ Stencil mol;
+ mol.add_stencil (symbol_stencil (me, space));
+
+ int measures = 0;
+ SCM m (me->get_property ("measure-count"));
+ if (scm_is_number (m))
+ measures = scm_to_int (m);
+
+ mol.translate_axis (x_off, X_AXIS);
+ return mol.smobbed_copy ();
+}
+
+Stencil
+Multi_measure_rest::symbol_stencil (Grob *me, Real space)
+{
+ int measures = 0;
+ SCM m (me->get_property ("measure-count"));
+ if (scm_is_number (m))
+ measures = scm_to_int (m);
+ if (measures <= 0)
+ return Stencil ();
+
+ SCM limit = me->get_property ("expand-limit");
+ if (measures > scm_to_int (limit))
{
- mol_p->translate_axis (interline_f, Y_AXIS);
+ Real padding = 0.15;
+ Stencil s = big_rest (me, (1.0 - 2 * padding) * space);
+ s.translate_axis (padding * space, X_AXIS);
+ return s;
}
- if (measures_i_ > 1)
+ SCM alist_chain = Font_interface::music_font_alist_chain (me);
+
+ Real staff_space = Staff_symbol_referencer::staff_space (me);
+ Font_metric *musfont
+ = select_font (me->layout (), alist_chain);
+
+ SCM sml = me->get_property ("use-breve-rest");
+ if (measures == 1)
{
- Text_def text;
- text.text_str_ = to_str (measures_i_);
- text.style_str_ = "number";
- text.align_dir_ = CENTER;
- Molecule s = text.get_molecule (paper (), UP);
- s.translate_axis (3.0 * interline_f, Y_AXIS);
- mol_p->add_molecule (s);
+ if (to_boolean (sml))
+ {
+ Stencil s = musfont->find_by_name (Rest::glyph_name (me, -1, "", false));
+
+ s.translate_axis ((space - s.extent (X_AXIS).length ()) / 2, X_AXIS);
+
+ return s;
+ }
+ else
+ {
+ Stencil s = musfont->find_by_name (Rest::glyph_name (me, 0, "", true));
+
+ /*
+ ugh.
+ */
+ if (Staff_symbol_referencer::get_position (me) == 0.0)
+ s.translate_axis (staff_space, Y_AXIS);
+
+ s.translate_axis ((space - s.extent (X_AXIS).length ()) / 2, X_AXIS);
+
+ return s;
+ }
}
+ else
+ return church_rest (me, musfont, measures, space);
+}
+
+/*
+ WIDTH can also be 0 to determine the minimum size of the object.
+*/
+Stencil
+Multi_measure_rest::big_rest (Grob *me, Real width)
+{
+ Real thick_thick = robust_scm2double (me->get_property ("thick-thickness"), 1.0);
+ Real hair_thick = robust_scm2double (me->get_property ("hair-thickness"), .1);
+
+ Real ss = Staff_symbol_referencer::staff_space (me);
+ Real slt = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"));
+ Real y = slt * thick_thick / 2 * ss;
+ Real ythick = hair_thick * slt * ss;
+ Box b (Interval (0.0, max (0.0, (width - 2 * ythick))), Interval (-y, y));
- return mol_p;
+ Real blot = width ? (.8 * min (y, ythick)) : 0.0;
+
+ Stencil m = Lookup::round_filled_box (b, blot);
+ Stencil yb = Lookup::round_filled_box (Box (Interval (-0.5, 0.5) * ythick, Interval (-ss, ss)), blot);
+
+ m.add_at_edge (X_AXIS, RIGHT, yb, 0);
+ m.add_at_edge (X_AXIS, LEFT, yb, 0);
+
+ m.align_to (X_AXIS, LEFT);
+
+ return m;
}
-void
-Multi_measure_rest::do_add_processing ()
+/*
+ Kirchenpause (?)
+*/
+Stencil
+Multi_measure_rest::church_rest (Grob *me, Font_metric *musfont, int measures,
+ Real space)
{
- if (column_arr_.size ())
+ SCM mols = SCM_EOL;
+
+ /* See Wanske pp. 125 */
+ int l = measures;
+ int count = 0;
+ Real symbols_width = 0.0;
+
+ bool use_breve = to_boolean (me->get_property ("use-breve-rest"));
+
+ while (l)
{
- set_bounds (LEFT, column_arr_[0 >? column_arr_.size () - 2]);
- set_bounds (RIGHT, column_arr_[column_arr_.size () - 1]);
+ if (use_breve)
+ {
+ int k;
+ if (l >= 2)
+ {
+ l -= 2;
+ k = -2;
+ }
+ else
+ {
+ l -= 1;
+ k = -1;
+ }
+
+ Stencil r (musfont->find_by_name ("rests." + to_string (k)));
+ symbols_width += r.extent (X_AXIS).length ();
+ mols = scm_cons (r.smobbed_copy (), mols);
+ }
+ else
+ {
+ int k;
+ if (l >= 4)
+ {
+ l -= 4;
+ k = -2;
+ }
+ else if (l >= 2)
+ {
+ l -= 2;
+ k = -1;
+ }
+ else
+ {
+ k = 0;
+ l--;
+ }
+
+ Stencil r (musfont->find_by_name ("rests." + to_string (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 = scm_cons (r.smobbed_copy (), mols);
+ }
+ count++;
}
+
+ /* Make outer padding this much bigger. */
+ Real outer_padding_factor = 1.5;
+ Real inner_padding = (space - symbols_width)
+ / (2 * outer_padding_factor + (count - 1));
+ if (inner_padding < 0)
+ inner_padding = 1.0;
+
+ Stencil mol;
+ for (SCM s = mols; scm_is_pair (s); s = scm_cdr (s))
+ mol.add_at_edge (X_AXIS, LEFT, *unsmob_stencil (scm_car (s)),
+ inner_padding);
+ mol.align_to (X_AXIS, LEFT);
+ mol.translate_axis (outer_padding_factor * inner_padding, X_AXIS);
+
+ return mol;
}
-
+
void
-Multi_measure_rest::do_post_processing ()
+Multi_measure_rest::add_column (Grob *me, Item *c)
{
- if (column_arr_.size ())
- translate_axis (extent (X_AXIS).length () / 2, X_AXIS);
+ add_bound_item (dynamic_cast<Spanner *> (me), c);
}
void
-Multi_measure_rest::do_substitute_element_pointer (Score_element* o, Score_element* n)
+Multi_measure_rest::calculate_spacing_rods (Grob *me, Real length)
{
- if (Item* c = dynamic_cast <Item*> (o))
- column_arr_.substitute (c, dynamic_cast<Item*> (n));
+ Spanner *sp = dynamic_cast<Spanner *> (me);
+ if (! (sp->get_bound (LEFT) && sp->get_bound (RIGHT)))
+ {
+ programming_error ("Multi_measure_rest::get_rods (): I am not spanned!");
+ return ;
+ }
+
+ Item *li = sp->get_bound (LEFT)->get_column ();
+ Item *ri = sp->get_bound (RIGHT)->get_column ();
+ Item *lb = li->find_prebroken_piece (RIGHT);
+ Item *rb = ri->find_prebroken_piece (LEFT);
+
+ Item *combinations[4][2] = {{li, ri},
+ {lb, ri},
+ {li, rb},
+ {lb, rb}};
+
+ for (int i = 0; i < 4; i++)
+ {
+ Item *li = combinations[i][0];
+ Item *ri = combinations[i][1];
+
+ if (!li || !ri)
+ continue;
+
+ Rod rod;
+ rod.item_drul_[LEFT] = li;
+ rod.item_drul_[RIGHT] = ri;
+
+ rod.distance_ = Paper_column::minimum_distance (li, ri)
+ + length
+ + 2 * robust_scm2double (me->get_property ("bound-padding"), 1.0);
+
+ Real minlen = robust_scm2double (me->get_property ("minimum-length"), 0);
+ rod.distance_ = max (rod.distance_, minlen);
+ rod.add_to_cols ();
+ }
}
-
-void
-Multi_measure_rest::add_column (Item* c)
+
+MAKE_SCHEME_CALLBACK (Multi_measure_rest, set_spacing_rods, 1);
+SCM
+Multi_measure_rest::set_spacing_rods (SCM smob)
{
- column_arr_.push (c);
- add_dependency (c);
+ Grob *me = unsmob_grob (smob);
+ Real sym_width = symbol_stencil (me, 0.0).extent (X_AXIS).length ();
+ calculate_spacing_rods (me, sym_width);
+
+ return SCM_UNSPECIFIED;
}
+
+MAKE_SCHEME_CALLBACK (Multi_measure_rest, set_text_rods, 1);
+SCM
+Multi_measure_rest::set_text_rods (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+ Stencil *stil = me->get_stencil ();
+ /* FIXME uncached */
+ Real len = (stil && !stil->extent (X_AXIS).is_empty ())
+ ? stil->extent (X_AXIS).length ()
+ : 0.0;
+ calculate_spacing_rods (me, len);
-Array<Rod>
-Multi_measure_rest::get_rods () const
-{
- Array<Rod> a;
- Rod r;
- r.item_l_drul_ = spanned_drul_;
- r.distance_f_ = paper ()->get_var ("mmrest_x_minimum");
- a.push (r);
- return a;
+ return SCM_UNSPECIFIED;
}
+
+ADD_INTERFACE (Multi_measure_rest,
+ "A rest that spans a whole number of measures.",
+
+ /* properties */
+ "expand-limit "
+ "measure-count "
+ "hair-thickness "
+ "thick-thickness "
+ "use-breve-rest "
+ "bound-padding "
+ "minimum-length "
+ );
+
projects / lilypond.git / blobdiff