source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <string.h>
+#include "group-interface.hh"
#include "misc.hh"
#include "paper-score.hh"
#include "paper-def.hh"
#include "misc.hh"
#include "paper-outputter.hh"
#include "dimension-cache.hh"
-#include "staff-side.hh"
-
-Interval
-Score_element::dim_cache_callback (Dimension_cache const*c)
-{
- Score_element * e =dynamic_cast<Score_element*> (c->element_l());
- if(e->dim_cache_[X_AXIS] == c)
- return e->do_width ();
- else
- return e->do_height ();
-}
-
+#include "side-position-interface.hh"
+#include "item.hh"
Score_element::Score_element()
{
output_p_ =0;
- dim_cache_[X_AXIS]->set_callback (dim_cache_callback);
- dim_cache_[Y_AXIS]->set_callback (dim_cache_callback);
+ 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;
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)
- : Graphical_element (s)
{
+ 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;
- /*
- should protect because smobify_self () might trigger GC.
- */
- element_property_alist_ = scm_protect_object (scm_list_copy (s.element_property_alist_));
- dependency_arr_ = s.dependency_arr_;
output_p_ =0;
status_i_ = s.status_i_;
lookup_l_ = s.lookup_l_;
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 dependency_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 dependency_arr_.size ();
+ set_elt_property (s, gh_double2scm (r));
}
// should also have one that takes SCM arg.
SCM s = scm_assq(sym, element_property_alist_);
if (s != SCM_BOOL_F)
- return SCM_CDR (s);
+ return gh_cdr (s);
if (pscore_l_)
{
}
Interval
-Score_element::do_width() const
+Score_element::molecule_extent(Dimension_cache const *c)
{
- Interval r;
-
- Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
- r = m->extent().x ();
-
- if (!output_p_)
- delete m;
+ Score_element *s = dynamic_cast<Score_element*>(c->element_l());
+ Molecule*m = s->do_brew_molecule_p();
- return r;
-}
+ Interval iv = m->extent()[c->axis ()];
-Interval
-Score_element::do_height() const
-{
- Interval r;
- Molecule*m = output_p_ ? output_p_ : do_brew_molecule_p();
- r = m->extent().y ();
- if (!output_p_)
- delete m;
-
- return r;
+ delete m;
+ return iv;
}
+
void
Score_element::print() const
{
#ifndef NPRINT
DEBUG_OUT << classname(this) << "{\n";
+
if (flower_dstream && !flower_dstream->silent_b ("Score_element"))
ly_display_scm (element_property_alist_);
- DEBUG_OUT << "dependencies: " << dependency_size();
+
if (original_l_)
DEBUG_OUT << "Copy ";
- Graphical_element::do_print ();
do_print();
DEBUG_OUT << "}\n";
Paper_def*
Score_element::paper_l () const
{
- return pscore_l_->paper_l_;
+ return pscore_l_ ? pscore_l_->paper_l_ : 0;
}
Lookup const *
{
Score_element * urg = (Score_element*)this;
SCM sz = urg->remove_elt_property ("fontsize");
- int i = (sz != SCM_UNDEFINED)
+ int i = (gh_number_p (sz))
? gh_scm2int (sz)
: 0;
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);
+ 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::self_alignment);
+ dim_cache_[Y_AXIS]->set_offset_callback (Side_position_interface::aligned_on_self);
}
#endif
assert (status_i_!= busy);
status_i_= busy;
- for (int i=0; i < dependency_arr_.size(); i++)
- dependency_arr_[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++)
void
Score_element::output_processing ()
{
- if (get_elt_property ("transparent") != SCM_UNDEFINED)
+ if (to_boolean (get_elt_property ("transparent")))
return;
// we're being silly here.
void
Score_element::do_break_processing()
{
- handle_broken_dependencies();
}
void
{
}
-void
-Score_element::do_substitute_element_pointer (Score_element*,Score_element*)
-{
-}
Molecule*
Score_element::do_brew_molecule_p() const
{
- Molecule a (lookup_l ()->fill (Box (Interval (0,0), Interval (0,0))));
- return new Molecule (a);
+ 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);
+ }
}
{
if (e)
{
- dependency_arr_.push (e);
- e->used_b_ = true;
+ Group_interface gi (this, "dependencies");
+ gi.add_element (e);
}
else
programming_error ("Null dependency added");
}
-void
-Score_element::substitute_dependency (Score_element* old, Score_element* new_l)
-{
- do_substitute_element_pointer (old,new_l);
- old->do_substitute_element_pointer (this, 0);
-}
+
/**
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. */
+ 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 s, SCM criterion)
+Score_element::handle_broken_smobs (SCM src, SCM criterion)
{
- if (SMOB_IS_TYPE_B (Score_element, s))
- {
- Score_element *sc = SMOB_TO_TYPE (Score_element, s);
+ again:
- if (gh_number_p (criterion))
+
+ 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);
}
else
{
- Score_element * ln = SMOB_TO_TYPE (Score_element, criterion);
+ Score_element * ln = unsmob_element ( criterion);
Line_of_score * line = dynamic_cast<Line_of_score*> (ln);
Score_element * br =0;
- if (sc->line_l () != line)
+ 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))
+ else if (gh_pair_p (src))
{
/*
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 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));
}
- return s;
+ else
+ return src;
+
+ return src;
}
void
Score_element::handle_broken_dependencies()
{
- Line_of_score *line = line_l();
- if (!line)
+ Spanner * s= dynamic_cast<Spanner*> (this);
+ if (original_l_ && s)
return;
- element_property_alist_ = handle_broken_smobs (element_property_alist_,
- line->self_scm_);
-
- Link_array<Score_element> new_deps;
-
- for (int i=0; i < dependency_size(); i++)
+ if (s)
{
- Score_element * elt = dependency (i);
- if (elt->line_l() != line)
+ for (int i = 0; i< s->broken_into_l_arr_ .size (); i++)
{
- Score_element * broken = elt->find_broken_piece (line);
- substitute_dependency (elt, broken);
- elt = broken ;
+ 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);
}
- if (elt)
- new_deps.push (elt);
}
- dependency_arr_ = new_deps;
+ Line_of_score *line = line_l();
+ element_property_alist_
+ = handle_broken_smobs (element_property_alist_,
+ line ? line->self_scm_ : SCM_UNDEFINED);
}
{
if (Item*i =dynamic_cast<Item*> (this))
{
- element_property_alist_
- = handle_broken_smobs (element_property_alist_,
+ if (original_l_)
+ {
+ element_property_alist_
+ = handle_broken_smobs (original_l_->element_property_alist_,
gh_int2scm (i->break_status_dir ()));
+ }
}
+}
- Link_array<Score_element> old_arr, new_arr;
-
- for (int i=0; i < dependency_size(); i++)
- {
- Score_element * elt = dependency (i);
- Item *it_l = dynamic_cast <Item *> (elt);
- if (it_l && it_l->broken_original_b ())
- if (Item *me = dynamic_cast<Item*> (this) )
- {
- Score_element *new_l = it_l->find_broken_piece (me->break_status_dir ());
- if (new_l != elt)
- {
- new_arr.push (new_l);
- old_arr.push (elt);
- }
- }
- else
- {
- Direction d = LEFT;
- do {
- old_arr.push (0);
- new_arr.push (it_l->find_broken_piece (d));
- } while (flip(&d)!= LEFT);
- }
- }
-
- for (int i=0; i < old_arr.size(); i++)
- if (old_arr[i])
- substitute_dependency (old_arr[i], new_arr[i]);
+Link_array<Score_element>
+Score_element::get_extra_dependencies() const
+{
+ Link_array<Score_element> empty;
+ return empty;
}
-void
-Score_element::handle_prebroken_dependents()
+bool
+Score_element::linked_b() const
{
+ return used_b_;
}
void
-Score_element::handle_broken_dependents()
+Score_element::do_print () const
{
}
+Score_element*
+Score_element::find_broken_piece (Line_of_score*) const
+{
+ return 0;
+}
+void
+Score_element::translate_axis (Real y, Axis a)
+{
+ dim_cache_[a]->translate (y);
+}
-Link_array<Score_element>
-Score_element::get_extra_dependencies() const
+Real
+Score_element::relative_coordinate (Score_element const*e, Axis a) const
{
- Link_array<Score_element> empty;
- return empty;
+ return dim_cache_[a]->relative_coordinate (e ? e->dim_cache_[a] : 0);
}
-bool
-Score_element::linked_b() const
+Score_element *
+Score_element::common_refpoint (Score_element const* s, Axis a) const
{
- return used_b_;
+ Dimension_cache *dim = dim_cache_[a]->common_refpoint (s->dim_cache_[a]);
+ return dim ? dim->element_l () : 0;
}
void
-Score_element::do_print () const
+Score_element::set_empty (Axis a)
+{
+ dim_cache_[a]->callback_l_ =0;
+}
+
+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::find_broken_piece (Line_of_score*) const
+Score_element::parent_l (Axis a) const
{
- return 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::set_parent (Score_element *g, Axis a)
+{
+ dim_cache_[a]->parent_l_ = g ? g->dim_cache_[a]: 0;
}
+void
+Score_element::fixup_refpoint ()
+{
+ for (int a = X_AXIS; a < NO_AXES; a ++)
+ {
+ 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);
+ }
+
+ if (Item * i = dynamic_cast<Item*> (this))
+ {
+ Item *pari = dynamic_cast<Item*> (par);
+
+ 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);
+ }
+ }
+ }
+ }
+}
+
+
+
+/****************************************************
+ SMOB funcs
+ ****************************************************/
+
+
+#include "ly-smobs.icc"
+
+IMPLEMENT_SMOBS(Score_element);
+IMPLEMENT_UNSMOB(Score_element, element);
SCM
Score_element::mark_smob (SCM ses)
{
- void * mp = (void*) SCM_CDR(ses);
- Score_element * s = (Score_element*) mp;
-
- assert (s->self_scm_ == ses);
+ Score_element * s = SMOB_TO_TYPE (Score_element, ses);
+ if (s->self_scm_ != ses)
+ {
+ programming_error ("SMOB marking gone awry");
+ return SCM_EOL;
+ }
return s->element_property_alist_;
}
-
int
Score_element::print_smob (SCM s, SCM port, scm_print_state *)
{
- Score_element *sc = (Score_element *) SCM_CDR (s);
+ 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);
+
+ /*
+ don't try to print properties, that is too much hassle.
+ */
scm_puts (" >", port);
return 1;
}
void
Score_element::do_smobify_self ()
{
- scm_unprotect_object (element_property_alist_); // ugh
}
-#include "ly-smobs.icc"
-IMPLEMENT_SMOBS(Score_element);
SCM
Score_element::equal_p (SCM a, SCM b)
{
- return SCM_CDR(a) == SCM_CDR(b) ? SCM_BOOL_T : SCM_BOOL_F;
+ 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)
+{
+ Score_element * sc = unsmob_element (elt);
+
+ if (!gh_symbol_p (sym))
+ {
+ error ("Not a symbol");
+ ly_display_scm (sym);
+ return SCM_UNDEFINED;
+ }
+
+ if (sc)
+ {
+ sc->element_property_alist_ = scm_assoc_set_x (sc->element_property_alist_, sym, val);
+ }
+ else
+ {
+ error ("Not a score element");
+ ly_display_scm (elt);
+ }
+
+ return SCM_UNDEFINED;
+}
+
+
+SCM
+Score_element::ly_get_elt_property (SCM elt, SCM sym)
+{
+ 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;
+}
+
+
+static void
+init_functions ()
+{
+ 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);