source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <string.h>
-#include "tex-outputter.hh"
-#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 "score-element.hh"
#include "debug.hh"
-#include "tex.hh"
-#include "dimension.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"
-
-#define PARANOID
+#include "paper-outputter.hh"
+#include "dimension-cache.hh"
+#include "side-position-interface.hh"
+#include "item.hh"
Score_element::Score_element()
{
- transparent_b_ = false;
- size_i_ = 0;
+ output_p_ =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);
+ set_elt_property ("interfaces", SCM_EOL);
}
+
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.
- */
- copy_edges_out (s);
- transparent_b_ = s.transparent_b_;
+ 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;
+ element_property_alist_ = SCM_EOL; // onstack;
+
+ output_p_ =0;
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()
{
+ 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 = brew_molecule_p();
- r = m->extent().x ();
- 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 = brew_molecule_p();
- r = m->extent().y ();
+ Score_element *s = dynamic_cast<Score_element*>(c->element_l());
+ Molecule*m = s->do_brew_molecule_p();
+
+ Interval iv = m->extent()[c->axis ()];
+
delete m;
- return r;
+ return iv;
}
-/*
- STANDARD METHS
- */
void
Score_element::print() const
{
#ifndef NPRINT
- DOUT << name() << "{\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 = (gh_number_p (sz))
+ ? 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::aligned_on_self);
+ }
+
+ 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::aligned_on_self);
+ }
+#endif
+
do_add_processing();
}
-
void
-Score_element::calcalute_dependencies (int final, int busy,
- Score_element_method_pointer funcptr)
+Score_element::calculate_dependencies (int final, int busy,
+ 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)->calcalute_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]->calcalute_dependencies (final, busy, funcptr);
+ extra[i]->calculate_dependencies (final, busy, funcptr);
- invalidate_cache (X_AXIS);
- invalidate_cache (Y_AXIS);
(this->*funcptr)();
status_i_= final;
}
void
-Score_element::do_brew_molecule ()
+Score_element::output_processing ()
{
- if (transparent_b_)
+ if (to_boolean (get_elt_property ("transparent")))
return;
- Molecule *output= brew_molecule_p ();
- pscore_l_->outputter_l_->output_molecule (output, absolute_offset (), name());
- delete output;
+
+ // we're being silly here.
+ if (output_p_)
+ delete output_p_;
+
+ output_p_ = do_brew_molecule_p ();
+ Offset o (relative_coordinate (0, X_AXIS), relative_coordinate (0, Y_AXIS));
+
+ SCM s = get_elt_property ("extra-offset");
+ if (gh_pair_p (s))
+ {
+ 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_,
+ 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
+{
+ SCM glyph = get_elt_property ("glyph");
+ if (gh_string_p (glyph))
+ {
+ Molecule*output = new Molecule (lookup_l ()->afm_find (String (ly_scm2string (glyph))));
+
+ return output;
+ }
+ else
+ {
+ 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. Do not modify SRC.
+*/
+SCM
+Score_element::handle_broken_smobs (SCM src, SCM criterion)
{
+ again:
+
+
+ Score_element *sc = unsmob_element (src);
+ 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 (src))
+ {
+ /*
+ UGH! breaks on circular lists.
+ */
+ SCM car = handle_broken_smobs (gh_car (src), criterion);
+ SCM cdr = gh_cdr (src);
+
+ if (car == SCM_UNDEFINED
+ && (gh_pair_p (cdr) || cdr == SCM_EOL))
+ {
+ /*
+ This is tail-recursion, ie.
+
+ return handle_broken_smobs (cdr, criterion);
+
+ We don't want to rely on the compiler to do this. */
+ src = cdr;
+ goto again;
+ }
+
+ return gh_cons (car, handle_broken_smobs (cdr, criterion));
+ }
+ else
+ return src;
+
+ return src;
}
void
-Score_element::do_unlink()
+Score_element::handle_broken_dependencies()
{
+ Spanner * s= dynamic_cast<Spanner*> (this);
+ if (original_l_ && s)
+ return;
+
+ if (s)
+ {
+ for (int i = 0; i< s->broken_into_l_arr_ .size (); i++)
+ {
+ Score_element * sc = s->broken_into_l_arr_[i];
+ Line_of_score * l = sc->line_l ();
+ s->broken_into_l_arr_[i]->element_property_alist_ =
+ handle_broken_smobs (element_property_alist_,
+ l ? l->self_scm_ : SCM_UNDEFINED);
+ }
+ }
+
+ Line_of_score *line = line_l();
+ element_property_alist_
+ = handle_broken_smobs (element_property_alist_,
+ line ? line->self_scm_ : SCM_UNDEFINED);
}
+
+/*
+ TODO: cleanify.
+ */
void
-Score_element::do_junk_links()
+Score_element::handle_prebroken_dependencies()
{
+ if (Item*i =dynamic_cast<Item*> (this))
+ {
+ if (original_l_)
+ {
+ element_property_alist_
+ = handle_broken_smobs (original_l_->element_property_alist_,
+ gh_int2scm (i->break_status_dir ()));
+ }
+ }
}
-IMPLEMENT_IS_TYPE_B1(Score_element, Graphical_element);
+Link_array<Score_element>
+Score_element::get_extra_dependencies() const
+{
+ Link_array<Score_element> empty;
+ return empty;
+}
-Molecule*
-Score_element::brew_molecule_p() const
+bool
+Score_element::linked_b() const
{
- Atom a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
- return new Molecule (a);
+ return used_b_;
}
+void
+Score_element::do_print () const
+{
+}
-Line_of_score *
-Score_element::line_l() const
+Score_element*
+Score_element::find_broken_piece (Line_of_score*) const
{
return 0;
}
-/*
-
- DEPENDENCIES
+void
+Score_element::translate_axis (Real y, Axis a)
+{
+ dim_cache_[a]->translate (y);
+}
- */
+Real
+Score_element::relative_coordinate (Score_element const*e, Axis a) const
+{
+ return dim_cache_[a]->relative_coordinate (e ? e->dim_cache_[a] : 0);
+}
-void
-Score_element::remove_dependency (Score_element*e)
+Score_element *
+Score_element::common_refpoint (Score_element const* s, Axis a) const
{
- remove_edge_out (e);
- substitute_dependency (e, 0);
+ Dimension_cache *dim = dim_cache_[a]->common_refpoint (s->dim_cache_[a]);
+ return dim ? dim->element_l () : 0;
}
void
-Score_element::add_dependency (Score_element*e)
+Score_element::set_empty (Axis a)
{
- Directed_graph_node::add_edge (e);
+ dim_cache_[a]->callback_l_ =0;
}
-void
-Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
+
+bool
+Score_element::empty_b (Axis a)const
+{
+ return !dim_cache_[a]->callback_l_;
+}
+
+Interval
+Score_element::extent (Axis a) const
+{
+ Dimension_cache const * d = dim_cache_[a];
+
+ return d->get_dim ();
+}
+
+
+Score_element*
+Score_element::parent_l (Axis a) const
{
- do_substitute_dependency (old,new_l);
- old->do_substitute_dependent (this, 0);
+ 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++)
+ {
+ common = common->common_refpoint (gs[i]->dim_cache_[a]);
+ }
+
+ return common->element_l ();
+}
+
+char const *
+Score_element::name () const
+{
+ return classname (this);
+}
+
+
void
-Score_element::handle_broken_dependencies()
+Score_element::set_parent (Score_element *g, Axis a)
{
- Line_of_score *line = line_l();
- if (!line)
- return;
+ dim_cache_[a]->parent_l_ = g ? g->dim_cache_[a]: 0;
+}
- Link_array<Score_element> remove_us_arr;
- for (int i=0; i < dependency_size(); i++)
+void
+Score_element::fixup_refpoint ()
+{
+ for (int a = X_AXIS; a < NO_AXES; a ++)
{
- Score_element * elt = dependency (i);
- if (elt->line_l() != line)
+ Axis ax = (Axis)a;
+ Score_element * par = parent_l (ax);
+
+ if (!par)
+ continue;
+
+ if (par->line_l () != line_l ())
{
- if (elt->access_Spanner ())
- {
- Spanner * sp = elt->access_Spanner ();
- Spanner * broken = sp->find_broken_piece (line);
- substitute_dependency (sp, broken);
+ Score_element * newpar = par->find_broken_piece (line_l ());
+ set_parent (newpar, ax);
+ }
- add_dependency (broken);
- }
- else if (elt->access_Item ())
+ if (Item * i = dynamic_cast<Item*> (this))
+ {
+ Item *pari = dynamic_cast<Item*> (par);
+
+ if (pari && i)
{
- Item * my_item = elt->access_Item ()->find_prebroken_piece (line);
-
- substitute_dependency (elt, my_item);
- if (my_item)
- add_dependency (my_item);
+ 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);
+ }
}
- remove_us_arr.push (elt);
}
}
-
- 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]);
}
-/*
- This sux.
- unlike with spanners, the number of items can increase
- span: item1
+/****************************************************
+ SMOB funcs
+ ****************************************************/
- becomes
- span: item1 item2 item3
+#include "ly-smobs.icc"
- How to let span (a derived class) know that this happened?
- */
-void
-Score_element::handle_prebroken_dependencies()
+IMPLEMENT_SMOBS(Score_element);
+IMPLEMENT_UNSMOB(Score_element, element);
+SCM
+Score_element::mark_smob (SCM ses)
{
- Link_array<Score_element> old_arr, new_arr;
-
- for (int i=0; i < dependency_size(); i++)
+ Score_element * s = SMOB_TO_TYPE (Score_element, ses);
+ if (s->self_scm_ != ses)
{
- Score_element * elt = dependency (i);
- Item *it_l = elt->access_Item ();
- if (it_l && it_l->breakable_b_)
- if (access_Item ())
- {
- Score_element *new_l = it_l->find_prebroken_piece (access_Item ()->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]);
- }
+ programming_error ("SMOB marking gone awry");
+ return SCM_EOL;
}
-
- for (int i=0; i < old_arr.size(); i++)
- if (old_arr[i])
- substitute_dependency (old_arr[i], new_arr[i]);
+ return s->element_property_alist_;
}
+int
+Score_element::print_smob (SCM s, SCM port, scm_print_state *)
+{
+ Score_element *sc = (Score_element *) gh_cdr (s);
+
+ scm_puts ("#<Score_element ", port);
+ scm_puts ((char *)sc->name (), port);
+
+ /*
+ don't try to print properties, that is too much hassle.
+ */
+ scm_puts (" >", port);
+ return 1;
+}
void
-Score_element::junk_links ()
+Score_element::do_smobify_self ()
{
- Directed_graph_node::junk_links();
- Graphical_element::junk_links ();
- do_junk_links();
}
-void
-Score_element::unlink()
+SCM
+Score_element::equal_p (SCM a, SCM b)
+{
+ return gh_cdr(a) == gh_cdr(b) ? SCM_BOOL_T : SCM_BOOL_F;
+}
+
+
+SCM
+Score_element::ly_set_elt_property (SCM elt, SCM sym, SCM val)
{
- do_unlink();
- while (dependency_size())
+ Score_element * sc = unsmob_element (elt);
+
+ if (!gh_symbol_p (sym))
{
- do_substitute_dependency (dependency (0),0);
- remove_edge_out_idx (0);
+ error ("Not a symbol");
+ ly_display_scm (sym);
+ return SCM_UNDEFINED;
}
- while (dependent_size())
+
+ if (sc)
{
- dependent (0)->remove_dependency (this);
+ sc->element_property_alist_ = scm_assoc_set_x (sc->element_property_alist_, sym, val);
}
- Graphical_element::unlink ();
+ else
+ {
+ error ("Not a score element");
+ ly_display_scm (elt);
+ }
+
+ return SCM_UNDEFINED;
}
-Link_array<Score_element>
-Score_element::get_extra_dependencies() const
+SCM
+Score_element::ly_get_elt_property (SCM elt, SCM sym)
{
- Link_array<Score_element> empty;
- return empty;
+ Score_element * sc = unsmob_element (elt);
+
+ if (sc)
+ {
+ SCM s = scm_assq(sym, sc->element_property_alist_);
+
+ if (s != SCM_BOOL_F)
+ return gh_cdr (s);
+ else
+ return SCM_UNDEFINED;
+ }
+ else
+ {
+ error ("Not a score element");
+ ly_display_scm (elt);
+ }
+ return SCM_UNDEFINED;
}
-bool
-Score_element::linked_b() const
+
+static void
+init_functions ()
{
- return get_extra_dependencies().size() ||
- dependency_size();
+ scm_make_gsubr ("ly-get-elt-property", 2, 0, 0, (SCM(*)(...))Score_element::ly_get_elt_property);
+ scm_make_gsubr ("ly-set-elt-property", 3, 0, 0, (SCM(*)(...))Score_element::ly_set_elt_property);
}
+
+ADD_SCM_INIT_FUNC(scoreelt, init_functions);