source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <string.h>
-#include "p-score.hh"
+#include "group-interface.hh"
+#include "misc.hh"
+#include "paper-score.hh"
#include "paper-def.hh"
#include "lookup.hh"
#include "molecule.hh"
#include "spanner.hh"
#include "line-of-score.hh"
#include "item.hh"
-#include "p-col.hh"
+#include "paper-column.hh"
#include "molecule.hh"
#include "misc.hh"
#include "paper-outputter.hh"
+#include "dimension-cache.hh"
+#include "side-position-interface.hh"
+#include "item.hh"
Score_element::Score_element()
{
output_p_ =0;
- transparent_b_ = false;
- size_i_ = 0;
+ dim_cache_[X_AXIS] = new Dimension_cache;
+ dim_cache_[Y_AXIS] = new Dimension_cache;
+ dim_cache_[X_AXIS]->elt_l_ = dim_cache_[Y_AXIS]->elt_l_ = this;
+
+ used_b_ = false;
+
+ dim_cache_[X_AXIS]->set_callback (molecule_extent);
+ dim_cache_[Y_AXIS]->set_callback (molecule_extent);
+ used_b_ = false;
pscore_l_=0;
+ lookup_l_ =0;
status_i_ = 0;
+ self_scm_ = SCM_EOL;
+ original_l_ = 0;
+ element_property_alist_ = SCM_EOL;
+
+ smobify_self ();
+
+
+ set_elt_property ("dependencies", SCM_EOL);
}
+SCM ly_deep_copy (SCM);
+
+SCM
+ly_deep_copy (SCM l)
+{
+ if (gh_pair_p (l))
+ {
+ return gh_cons (ly_deep_copy (gh_car (l)), ly_deep_copy (gh_cdr (l)));
+ }
+ else
+ return l;
+}
+
+
Score_element::Score_element (Score_element const&s)
- : Directed_graph_node (s), Graphical_element (s)
{
- /* called from derived ctor, so most info points to the same deps
- as (Directed_graph_node&)s. Nobody points to us, so don't copy
- dependents.
+ dim_cache_[X_AXIS] = new Dimension_cache (*s.dim_cache_[X_AXIS]);
+ dim_cache_[Y_AXIS] = new Dimension_cache (*s.dim_cache_[Y_AXIS]);
+ dim_cache_[X_AXIS]->elt_l_ = dim_cache_[Y_AXIS]->elt_l_ = this;
+
+ self_scm_ = SCM_EOL;
+ used_b_ = true;
+ original_l_ =(Score_element*) &s;
+
+ /*
+ should protect because smobify_self () might trigger GC.
*/
- copy_edges_out (s);
+ element_property_alist_ = scm_protect_object (ly_deep_copy (s.element_property_alist_));
+
output_p_ =0;
- transparent_b_ = s.transparent_b_;
status_i_ = s.status_i_;
+ lookup_l_ = s.lookup_l_;
pscore_l_ = s.pscore_l_;
- size_i_ = s.size_i_;
-}
-
-
+ smobify_self ();
+}
Score_element::~Score_element()
{
- delete output_p_;
+ assert (!output_p_);
assert (status_i_ >=0);
+ status_i_ = -1;
+
+ delete dim_cache_[X_AXIS];
+ delete dim_cache_[Y_AXIS];
}
-Score_element*
-Score_element::dependency (int i) const
+
+Real
+Score_element::get_real (String s) const
{
- return (Score_element*) get_out_edge_arr ()[i];
+ return gh_scm2double (get_elt_property (s));
}
-int
-Score_element::dependency_size () const
+void
+Score_element::set_real (String s, Real r)
{
- return get_out_edge_arr ().size ();
+ set_elt_property (s, gh_double2scm (r));
}
-Score_element*
-Score_element::dependent (int i) const
+// should also have one that takes SCM arg.
+SCM
+Score_element::get_elt_property (String nm) const
{
- return (Score_element*) get_in_edge_arr()[i];
+ SCM sym = ly_symbol2scm (nm.ch_C());
+ SCM s = scm_assq(sym, element_property_alist_);
+
+ if (s != SCM_BOOL_F)
+ return gh_cdr (s);
+
+ if (pscore_l_)
+ {
+ SCM sym2 = ly_symbol2scm ((name () + ("::" + nm)).ch_C());
+ SCM val;
+
+ // should probably check for Type::sym as well.
+ Paper_def * p= pscore_l_->paper_l_;
+ if (p->default_properties_.try_retrieve (sym2, &val))
+ return val;
+ else if (p->default_properties_.try_retrieve (sym, &val))
+ return val;
+ }
+
+ return SCM_UNDEFINED;
}
-int
-Score_element::dependent_size() const
+SCM
+Score_element::remove_elt_property (String key)
{
- return get_in_edge_arr().size ();
+ SCM s = get_elt_property (key);
+ SCM sym = ly_symbol2scm (key.ch_C());
+ element_property_alist_ = scm_assq_remove_x (element_property_alist_, sym);
+ return s;
}
-
-
-Interval
-Score_element::do_width() const
+/*
+ UGH. assoc vs. assq
+ */
+void
+Score_element::set_elt_property (String k, SCM v)
{
- Interval r;
-
- Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
- r = m->extent().x ();
-
- if (!output_p_)
- delete m;
-
- return r;
+ SCM s = ly_symbol2scm (k.ch_C( ));
+ element_property_alist_ = scm_assoc_set_x (element_property_alist_, s, v);
}
Interval
-Score_element::do_height() const
+Score_element::molecule_extent(Dimension_cache const *c)
{
- Interval r;
- Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
- r = m->extent().y ();
- if (!output_p_)
- delete m;
-
- return r;
+ Score_element *s = dynamic_cast<Score_element*>(c->element_l());
+ Molecule*m = s->do_brew_molecule_p();
+ return m->extent()[c->axis ()];
}
-/*
- STANDARD METHS
- */
void
Score_element::print() const
{
#ifndef NPRINT
- DOUT << classname(this) << "{\n";
- DOUT << "dets: " << dependent_size() << "dependencies: " <<
- dependency_size();
-
- Graphical_element::do_print ();
+ DEBUG_OUT << classname(this) << "{\n";
+
+
+ if (flower_dstream && !flower_dstream->silent_b ("Score_element"))
+ ly_display_scm (element_property_alist_);
+
+ if (original_l_)
+ DEBUG_OUT << "Copy ";
do_print();
- DOUT << "}\n";
+ DEBUG_OUT << "}\n";
#endif
}
-
Paper_def*
-Score_element::paper() const
+Score_element::paper_l () const
{
- assert (pscore_l_);
- return pscore_l_->paper_l_;
+ return pscore_l_ ? pscore_l_->paper_l_ : 0;
}
-
Lookup const *
Score_element::lookup_l () const
{
- return pscore_l_->paper_l_->lookup_l (size_i_);
+ if (!lookup_l_)
+ {
+ Score_element * urg = (Score_element*)this;
+ SCM sz = urg->remove_elt_property ("fontsize");
+ int i = (sz != SCM_UNDEFINED)
+ ? gh_scm2int (sz)
+ : 0;
+
+ urg->lookup_l_ = (Lookup*)pscore_l_->paper_l_->lookup_l (i);
+ }
+ return lookup_l_;
}
void
Score_element::add_processing()
{
+ assert (status_i_ >=0);
if (status_i_)
return;
status_i_ ++;
+
+#if 0
+ /*
+ UGH. UGH. UGH.
+ */
+ if (get_elt_property ("self-alignment-X") != SCM_UNDEFINED
+ && !dim_cache_[X_AXIS]->off_callback_l_)
+ {
+ dim_cache_[X_AXIS]->off_callbacks_.push (Side_position_interface::self_alignment);
+ }
+
+ if (get_elt_property ("self-alignment-Y") != SCM_UNDEFINED
+ && !dim_cache_[X_AXIS]->off_callback_l_)
+
+ {
+ dim_cache_[Y_AXIS]->set_offset_callback (Side_position_interface::self_alignment);
+ }
+#endif
+
do_add_processing();
}
-
void
Score_element::calculate_dependencies (int final, int busy,
- Score_element_method_pointer funcptr)
+ Score_element_method_pointer funcptr)
{
+ assert (status_i_ >=0);
+
if (status_i_ >= final)
return;
assert (status_i_!= busy);
status_i_= busy;
- for (int i=0; i < dependency_size(); i++)
- dependency (i)->calculate_dependencies (final, busy, funcptr);
+ Link_array<Score_element> dependency_arr =
+ Group_interface__extract_elements (this, (Score_element*)0, "dependencies");
+
+ for (int i=0; i < dependency_arr.size(); i++)
+ dependency_arr[i]->calculate_dependencies (final, busy, funcptr);
Link_array<Score_element> extra (get_extra_dependencies());
for (int i=0; i < extra.size(); i++)
extra[i]->calculate_dependencies (final, busy, funcptr);
- invalidate_cache (X_AXIS);
- invalidate_cache (Y_AXIS);
(this->*funcptr)();
status_i_= final;
}
void
Score_element::output_processing ()
{
- if (transparent_b_)
+ if (get_elt_property ("transparent") != SCM_UNDEFINED)
return;
+
+ // we're being silly here.
if (output_p_)
delete output_p_;
output_p_ = do_brew_molecule_p ();
- for (PCursor<Atom*> i(output_p_->atoms_); i.ok(); i++)
+ Offset o (relative_coordinate (0, X_AXIS), relative_coordinate (0, Y_AXIS));
+
+ SCM s = get_elt_property ("extra-offset");
+ if (gh_pair_p (s))
{
- i->origin_l_ = this;
+ Real il = paper_l ()->get_var ("interline");
+ o[X_AXIS] += il * gh_scm2double (gh_car (s));
+ o[Y_AXIS] += il * gh_scm2double (gh_cdr (s));
}
pscore_l_->outputter_l_->output_molecule (output_p_,
- absolute_offset (),
+ o,
classname(this));
+
+ delete output_p_;
+ output_p_ =0;
}
/*
VIRTUAL STUBS
*/
-
void
Score_element::do_break_processing()
{
- handle_broken_dependencies();
}
void
{
}
-void
-Score_element::do_substitute_dependency (Score_element*,Score_element*)
+
+
+Molecule*
+Score_element::do_brew_molecule_p() const
+{
+ Interval emp;
+ emp.set_empty ();
+ Molecule a (lookup_l ()->fill (Box (emp,emp)));
+ return new Molecule (a);
+}
+
+
+Line_of_score *
+Score_element::line_l() const
{
+ return 0;
}
+
void
-Score_element::do_substitute_dependent (Score_element*,Score_element*)
+Score_element::add_dependency (Score_element*e)
+{
+ if (e)
+ {
+ Group_interface gi (this, "dependencies");
+ gi.add_element (e);
+ }
+ else
+ programming_error ("Null dependency added");
+}
+
+
+
+
+/**
+ Do break substitution in S, using CRITERION. Return new value.
+ CRITERION is either a SMOB pointer to the desired line, or a number
+ representing the break direction. */
+SCM
+Score_element::handle_broken_smobs (SCM s, SCM criterion)
{
+ Score_element *sc = unsmob_element ( s);
+ if (sc)
+ {
+ if (criterion == SCM_UNDEFINED)
+ return SCM_UNDEFINED;
+ else if (gh_number_p (criterion))
+ {
+ Item * i = dynamic_cast<Item*> (sc);
+ Direction d = to_dir (criterion);
+ if (i && i->break_status_dir () != d)
+ {
+ Item *br = i->find_broken_piece (d);
+ return (br) ? br->self_scm_ : SCM_UNDEFINED;
+ }
+ }
+ else
+ {
+ Score_element * ln = unsmob_element ( criterion);
+ Line_of_score * line = dynamic_cast<Line_of_score*> (ln);
+ Score_element * br =0;
+ Line_of_score * dep_line = sc->line_l ();
+ if (dep_line != line)
+ {
+ br = sc->find_broken_piece (line);
+ return (br) ? br->self_scm_ : SCM_UNDEFINED;
+ }
+ if (!dep_line)
+ return SCM_UNDEFINED;
+ }
+ }
+ else if (gh_pair_p (s))
+ {
+ /*
+ UGH! breaks on circular lists.
+ */
+ gh_set_car_x (s, handle_broken_smobs (gh_car (s), criterion));
+ gh_set_cdr_x (s, handle_broken_smobs (gh_cdr (s), criterion));
+
+ SCM c = gh_cdr(s);
+
+ // gh_list_p () is linear, this is O(1)
+ bool list = gh_pair_p (c) || c == SCM_EOL;
+
+ if (gh_car (s) == SCM_UNDEFINED && list)
+ return c;
+ }
+ return s;
}
void
-Score_element::do_unlink()
+Score_element::handle_broken_dependencies()
{
+ Line_of_score *line = line_l();
+ element_property_alist_ = handle_broken_smobs (element_property_alist_,
+ line ? line->self_scm_ : SCM_UNDEFINED);
+
+ if (!line)
+ return;
}
+
+/*
+ TODO: cleanify.
+ */
void
-Score_element::do_junk_links()
+Score_element::handle_prebroken_dependencies()
{
+ if (Item*i =dynamic_cast<Item*> (this))
+ {
+ element_property_alist_
+ = handle_broken_smobs (element_property_alist_,
+ gh_int2scm (i->break_status_dir ()));
+ }
}
-Molecule*
-Score_element::do_brew_molecule_p() const
+
+
+Link_array<Score_element>
+Score_element::get_extra_dependencies() const
{
- Atom a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
- return new Molecule (a);
+ Link_array<Score_element> empty;
+ return empty;
}
+bool
+Score_element::linked_b() const
+{
+ return used_b_;
+}
-Line_of_score *
-Score_element::line_l() const
+void
+Score_element::do_print () const
+{
+}
+
+Score_element*
+Score_element::find_broken_piece (Line_of_score*) const
{
return 0;
}
-/*
-
- DEPENDENCIES
+SCM
+Score_element::mark_smob (SCM ses)
+{
+ void * mp = (void*) gh_cdr(ses);
+ Score_element * s = (Score_element*) mp;
+
+ assert (s->self_scm_ == ses);
+ return s->element_property_alist_;
+}
- */
-void
-Score_element::remove_dependency (Score_element*e)
+int
+Score_element::print_smob (SCM s, SCM port, scm_print_state *)
{
- remove_edge_out (e);
- substitute_dependency (e, 0);
+ Score_element *sc = (Score_element *) gh_cdr (s);
+
+ scm_puts ("#<Score_element ", port);
+ scm_puts ((char *)sc->name (), port);
+
+ // scm_puts (" properties = ", port);
+ // scm_display (sc->element_property_alist_, port);
+ scm_puts (" >", port);
+ return 1;
}
void
-Score_element::add_dependency (Score_element*e)
+Score_element::do_smobify_self ()
{
- Directed_graph_node::add_edge (e);
+ scm_unprotect_object (element_property_alist_); // ugh
}
-void
-Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
+#include "ly-smobs.icc"
+IMPLEMENT_SMOBS(Score_element);
+
+SCM
+Score_element::equal_p (SCM a, SCM b)
{
- do_substitute_dependency (old,new_l);
- old->do_substitute_dependent (this, 0);
+ return gh_cdr(a) == gh_cdr(b) ? SCM_BOOL_T : SCM_BOOL_F;
}
void
-Score_element::handle_broken_dependencies()
+Score_element::translate_axis (Real y, Axis a)
{
- Line_of_score *line = line_l();
- if (!line)
- return;
+ dim_cache_[a]->translate (y);
+}
- Link_array<Score_element> remove_us_arr;
- for (int i=0; i < dependency_size(); i++)
- {
- Score_element * elt = dependency (i);
- if (elt->line_l() != line)
- {
- if (Spanner *sp = dynamic_cast<Spanner *> (elt))
- {
- Spanner * broken = sp->find_broken_piece (line);
- substitute_dependency (sp, broken);
+Real
+Score_element::relative_coordinate (Score_element const*e, Axis a) const
+{
+ return dim_cache_[a]->relative_coordinate (e ? e->dim_cache_[a] : 0);
+}
- add_dependency (broken);
- }
- else if (Item *original = dynamic_cast <Item *> (elt))
- {
- Item * my_item = original->find_prebroken_piece (line);
-
- substitute_dependency (elt, my_item);
- if (my_item)
- add_dependency (my_item);
- }
- remove_us_arr.push (elt);
- }
- }
+Score_element *
+Score_element::common_refpoint (Score_element const* s, Axis a) const
+{
+ Dimension_cache *dim = dim_cache_[a]->common_refpoint (s->dim_cache_[a]);
+ if (!dim)
+ programming_error ("No common reference point");
+ return dim ? dim->element_l () : 0;
+}
- remove_us_arr.default_sort();
- remove_us_arr.uniq();
- for (int i=0; i <remove_us_arr.size(); i++)
- remove_dependency (remove_us_arr[i]);
+void
+Score_element::set_empty (Axis a)
+{
+ dim_cache_[a]->callback_l_ =0;
}
-/*
- This sux.
+bool
+Score_element::empty_b (Axis a)const
+{
+ return !dim_cache_[a]->callback_l_;
+}
- unlike with spanners, the number of items can increase
+Interval
+Score_element::extent (Axis a) const
+{
+ Dimension_cache const * d = dim_cache_[a];
- span: item1
+ return d->get_dim ();
+}
- becomes
+Score_element*
+unsmob_element (SCM s)
+{
+ if (SMOB_IS_TYPE_B (Score_element, s))
+ return SMOB_TO_TYPE(Score_element,s);
+ else
+ return 0;
+}
- span: item1 item2 item3
- How to let span (a derived class) know that this happened?
- */
-void
-Score_element::handle_prebroken_dependencies()
+Score_element*
+Score_element::parent_l (Axis a) const
{
- Link_array<Score_element> old_arr, new_arr;
-
- for (int i=0; i < dependency_size(); i++)
+ Dimension_cache*d= dim_cache_[a]->parent_l_;
+ return d ? d->elt_l_ : 0;
+}
+
+Score_element *
+Score_element::common_refpoint (Link_array<Score_element> gs, Axis a) const
+{
+ Dimension_cache * common = dim_cache_[a];
+ for (int i=0; i < gs.size (); i++)
{
- Score_element * elt = dependency (i);
- Item *it_l = dynamic_cast <Item *> (elt);
- if (it_l && it_l->breakable_b_)
- if (Item *me = dynamic_cast<Item*> (this) )
- {
- Score_element *new_l = it_l->find_prebroken_piece (me->break_status_dir_);
- if (new_l != elt)
- {
- new_arr.push (new_l);
- old_arr.push (elt);
- }
- }
- else
- {
- new_arr.push (it_l->broken_to_drul_[LEFT]);
- old_arr.push (0);
- old_arr.push (0);
- new_arr.push (it_l->broken_to_drul_[RIGHT]);
- }
+ common = common->common_refpoint (gs[i]->dim_cache_[a]);
}
-
- for (int i=0; i < old_arr.size(); i++)
- if (old_arr[i])
- substitute_dependency (old_arr[i], new_arr[i]);
+
+ return common->element_l ();
+}
+
+char const *
+Score_element::name () const
+{
+ return classname (this);
}
void
-Score_element::junk_links ()
+Score_element::set_parent (Score_element *g, Axis a)
{
- Directed_graph_node::junk_links();
- Graphical_element::junk_links ();
- do_junk_links();
+ dim_cache_[a]->parent_l_ = g ? g->dim_cache_[a]: 0;
}
void
-Score_element::unlink()
+Score_element::fixup_refpoint ()
{
- do_unlink();
- while (dependency_size())
+ for (int a = X_AXIS; a < NO_AXES; a ++)
{
- do_substitute_dependency (dependency (0),0);
- remove_edge_out_idx (0);
- }
- while (dependent_size())
- {
- dependent (0)->remove_dependency (this);
- }
- Graphical_element::unlink ();
-}
+ Axis ax = (Axis)a;
+ Score_element * par = parent_l (ax);
+ if (!par)
+ continue;
+
+ if (par->line_l () != line_l ())
+ {
+ Score_element * newpar = par->find_broken_piece (line_l ());
+ set_parent (newpar, ax);
+ }
-Link_array<Score_element>
-Score_element::get_extra_dependencies() const
-{
- Link_array<Score_element> empty;
- return empty;
-}
+ if (Item * i = dynamic_cast<Item*> (this))
+ {
+ Item *pari = dynamic_cast<Item*> (par);
-bool
-Score_element::linked_b() const
-{
- return get_extra_dependencies().size() ||
- dependency_size();
+ if (pari && i)
+ {
+ Direction my_dir = i->break_status_dir () ;
+ if (my_dir!= pari->break_status_dir())
+ {
+ Item *newpar = pari->find_broken_piece (my_dir);
+ set_parent (newpar, ax);
+ }
+ }
+ }
+ }
}
projects / lilypond.git / blobdiff