source file of the GNU LilyPond music typesetter
- (c) 1996--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include "input-smob.hh"
#include "axis-group-interface.hh"
#include "debug.hh"
#include "line-of-score.hh"
#include "molecule.hh"
#include "all-font-metrics.hh"
-Line_of_score::Line_of_score()
- : Spanner (SCM_EOL)
+// todo: use map.
+void
+fixup_refpoints (SCM s)
{
- set_elt_pointer ("columns", SCM_EOL);
- set_elt_pointer ("all-elements", SCM_EOL);
+ for (; gh_pair_p (s); s = ly_cdr (s))
+ {
+ Grob::fixup_refpoint (ly_car (s));
+ }
+}
+
- Axis_group_interface (this).set_interface ();
- Axis_group_interface (this).set_axes (Y_AXIS,X_AXIS);
+Line_of_score::Line_of_score (SCM s)
+ : Spanner (s)
+{
+ rank_i_ = 0;
+
+ Axis_group_interface::set_interface (this);
+ Axis_group_interface::set_axes (this, Y_AXIS,X_AXIS);
}
int
Line_of_score::element_count () const
{
- return scm_ilength ( get_elt_pointer ("all-elements"));
+ return scm_ilength (get_grob_property ("all-elements"));
}
-
-/*
- Ugh. this is grossly hairy.
- */
void
-Line_of_score::typeset_element (Score_element * elem_p)
+Line_of_score::typeset_grob (Grob * elem_p)
{
elem_p->pscore_l_ = pscore_l_;
- Pointer_group_interface (this, "all-elements").add_element (elem_p);
- scm_unprotect_object (elem_p->self_scm_);
+ Pointer_group_interface::add_element (this, "all-elements",elem_p);
+ scm_gc_unprotect_object (elem_p->self_scm ());
}
void
Line_of_score::output_lines ()
{
- for (SCM s = get_elt_pointer ("all-elements");
- gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = get_grob_property ("all-elements");
+ gh_pair_p (s); s = ly_cdr (s))
{
- unsmob_element (gh_car (s))->do_break_processing ();
+ unsmob_grob (ly_car (s))->do_break_processing ();
}
/*
fixups must be done in broken line_of_scores, because new elements
int count = 0;
for (int i=0; i < broken_into_l_arr_.size (); i++)
{
- Score_element *se = broken_into_l_arr_[i];
- SCM all = se->get_elt_pointer ("all-elements");
- for (SCM s = all; gh_pair_p (s); s = gh_cdr (s))
+ Grob *se = broken_into_l_arr_[i];
+ SCM all = se->get_grob_property ("all-elements");
+ for (SCM s = all; gh_pair_p (s); s = ly_cdr (s))
{
- unsmob_element (gh_car (s))->fixup_refpoint ();
+ fixup_refpoint (ly_car (s));
}
count += scm_ilength (all);
}
/*
needed for doing items.
*/
- for (SCM s = get_elt_pointer ("all-elements");
- gh_pair_p (s); s = gh_cdr (s))
- {
- unsmob_element (gh_car (s))->fixup_refpoint ();
- }
+ fixup_refpoints (get_grob_property ("all-elements"));
+
- for (SCM s = get_elt_pointer ("all-elements");
- gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = get_grob_property ("all-elements");
+ gh_pair_p (s); s = ly_cdr (s))
{
- unsmob_element (gh_car (s))->handle_broken_dependencies ();
+ unsmob_grob (ly_car (s))->handle_broken_dependencies ();
}
handle_broken_dependencies ();
- progress_indication ( _f("Element count %d.", count + element_count()));
+
+ if (verbose_global_b)
+ progress_indication (_f ("Element count %d.", count + element_count ()));
for (int i=0; i < broken_into_l_arr_.size (); i++)
{
Line_of_score *line_l = dynamic_cast<Line_of_score*> (broken_into_l_arr_[i]);
- progress_indication ("[");
- line_l->post_processing ();
- progress_indication (to_str (i));
- progress_indication ("]");
+ if (verbose_global_b)
+ progress_indication ("[");
+ line_l->post_processing (i+1 == broken_into_l_arr_.size ());
+
+ if (verbose_global_b)
+ {
+ progress_indication (to_str (i));
+ progress_indication ("]");
+ }
+
+ if (i < broken_into_l_arr_.size () - 1)
+ {
+ SCM lastcol = ly_car (line_l->get_grob_property ("columns"));
+ Grob* e = unsmob_grob (lastcol);
+
+ SCM between = ly_symbol2scm ("between-system-string");
+ SCM inter = e->internal_get_grob_property (between);
+ if (gh_string_p (inter))
+ {
+ pscore_l_->outputter_l_
+ ->output_scheme (scm_list_n (between,
+ inter, SCM_UNDEFINED));
+ }
+ }
+ }
+}
+
+/*
+ Find the loose columns in POSNS, and drape them around the columns
+ specified in BETWEEN-COLS. */
+void
+set_loose_columns (Line_of_score* which, Column_x_positions const *posns)
+{
+ for (int i = 0; i<posns->loose_cols_.size (); i++)
+ {
+ int divide_over = 1;
+ Item *loose = dynamic_cast<Item*> (posns->loose_cols_[i]);
+ Paper_column* col = dynamic_cast<Paper_column*> (loose);
+
+ if (col->line_l_)
+ continue;
+
+
+ Item * left = 0;
+ Item * right = 0;
+ while (1)
+ {
+
+ SCM between = loose->get_grob_property ("between-cols");
+ if (!gh_pair_p (between))
+ break;
+
+ if (!left)
+ {
+ left = dynamic_cast<Item*> (unsmob_grob (ly_car (between)));
+ left = left->column_l ();
+ }
+ divide_over ++;
+ loose = dynamic_cast<Item*> (unsmob_grob (ly_cdr (between)));
+ loose = loose->column_l ();
+ }
+
+ right = loose;
+
+ Real rx = right->relative_coordinate (right->parent_l (X_AXIS), X_AXIS);
+ Real lx = left->relative_coordinate (left->parent_l (X_AXIS), X_AXIS);
+
+ int j = 1;
+ loose = col;
+ while (1)
+ {
+ SCM between = loose->get_grob_property ("between-cols");
+ if (!gh_pair_p (between))
+ break;
+
+ Paper_column *thiscol = dynamic_cast<Paper_column*> (loose);
+
+ thiscol->line_l_ = which;
+ thiscol->translate_axis (lx + j*(rx - lx)/divide_over, X_AXIS);
+
+ j ++;
+ loose = dynamic_cast<Item*> (unsmob_grob (ly_cdr (between)));
+ }
+
}
}
{
for (int i=0; i < breaking.size (); i++)
{
- Line_of_score *line_l = dynamic_cast <Line_of_score*> (clone());
+ Line_of_score *line_l = dynamic_cast <Line_of_score*> (clone ());
line_l->rank_i_ = i;
- Link_array<Paper_column> c (breaking[i].cols_);
+ // line_l->set_immutable_grob_property ("rank", gh_int2scm (i));
+ Link_array<Grob> c (breaking[i].cols_);
pscore_l_->typeset_line (line_l);
- line_l->set_bound(LEFT,c[0]);
- line_l->set_bound(RIGHT,c.top ());
- for (int j=0; j < c.size(); j++)
+ line_l->set_bound (LEFT,c[0]);
+ line_l->set_bound (RIGHT,c.top ());
+ for (int j=0; j < c.size (); j++)
{
c[j]->translate_axis (breaking[i].config_[j],X_AXIS);
- c[j]->line_l_ = line_l;
+ dynamic_cast<Paper_column*> (c[j])->line_l_ = line_l;
}
-
+ set_loose_columns (line_l, &breaking[i]);
broken_into_l_arr_.push (line_l);
}
}
+#define GLOBAL_SYMBOL(cname, name) \
+SCM cname ; \
+void \
+cname ## _init_func () \
+{ \
+ cname = ly_symbol2scm (name); \
+ scm_permanent_object (cname); \
+} \
+ADD_SCM_INIT_FUNC (cname,cname ## _init_func);\
+
+
+GLOBAL_SYMBOL (offset_sym , "translate-molecule");
+GLOBAL_SYMBOL (placebox_sym , "placebox");
+GLOBAL_SYMBOL (combine_sym , "combine-molecule");
+GLOBAL_SYMBOL (no_origin_sym , "no-origin");
+GLOBAL_SYMBOL (define_origin_sym , "define-origin");
+
+
+
void
Line_of_score::output_molecule (SCM expr, Offset o)
{
- SCM offset_sym = ly_symbol2scm ("translate-molecule");
- SCM combine_sym = ly_symbol2scm ("combine-molecule");
-enter:
- if (!gh_pair_p (expr))
- return;
-
- SCM head =gh_car (expr);
- if (head == offset_sym)
+ while (1)
{
- o += ly_scm2offset (gh_cadr (expr));
- expr = gh_caddr (expr);
- goto enter;
- }
- else if (head == combine_sym)
- {
- output_molecule (gh_cadr (expr), o);
- expr = gh_caddr (expr);
- goto enter; // tail recursion
- }
- else
- {
- pscore_l_->outputter_l_->
- output_scheme (gh_list (ly_symbol2scm ("placebox"),
- gh_double2scm (o[X_AXIS]),
- gh_double2scm (o[Y_AXIS]),
- expr,
- SCM_UNDEFINED));
+ if (!gh_pair_p (expr))
+ return;
+
+ SCM head =ly_car (expr);
+ if (unsmob_input (head))
+ {
+ Input * ip = unsmob_input (head);
+
+
+ pscore_l_->outputter_l_->output_scheme (scm_list_n (define_origin_sym,
+ ly_str02scm (ip->file_str ().ch_C ()),
+ gh_int2scm (ip->line_number ()),
+ gh_int2scm (ip->column_number ()),
+ SCM_UNDEFINED));
+ expr = ly_cadr (expr);
+ }
+ else if (head == no_origin_sym)
+ {
+ pscore_l_->outputter_l_->output_scheme (scm_list_n (no_origin_sym, SCM_UNDEFINED));
+ expr = ly_cadr (expr);
+ }
+ else if (head == offset_sym)
+ {
+ o += ly_scm2offset (ly_cadr (expr));
+ expr = ly_caddr (expr);
+ }
+ else if (head == combine_sym)
+ {
+ output_molecule (ly_cadr (expr), o);
+ expr = ly_caddr (expr);
+ }
+ else
+ {
+ pscore_l_->outputter_l_->
+ output_scheme (scm_list_n (placebox_sym,
+ gh_double2scm (o[X_AXIS]),
+ gh_double2scm (o[Y_AXIS]),
+ expr,
+ SCM_UNDEFINED));
+
+ return;
+ }
}
}
void
Line_of_score::add_column (Paper_column*p)
{
- SCM cs = get_elt_pointer ("columns");
- Score_element * prev = gh_pair_p (cs) ? unsmob_element (gh_car (cs)) : 0;
- int rank = prev ? dynamic_cast<Paper_column*> (prev)->rank_i () + 1 : 0;
-
- p->set_rank (rank);
- set_elt_pointer ("columns", gh_cons (p->self_scm_, cs));
+ Grob *me = this;
+ SCM cs = me->get_grob_property ("columns");
+ Grob * prev = gh_pair_p (cs) ? unsmob_grob (ly_car (cs)) : 0;
- Axis_group_interface (this).add_element (p);
- typeset_element (p);
-}
+ p->rank_i_ = prev ? Paper_column::rank_i (prev) + 1 : 0;
+ me->set_grob_property ("columns", gh_cons (p->self_scm (), cs));
-void
-fixup_refpoints (SCM s)
-{
- for (; gh_pair_p (s); s = gh_cdr (s))
- {
- Score_element * se = unsmob_element (gh_car (s));
- if (se)
- {
- se->fixup_refpoint ();
- if (!dynamic_cast<Line_of_score*> (se) && !se->parent_l (Y_AXIS))
- {
- programming_error ("No parent!");
- }
- }
- }
+ Axis_group_interface::add_element (me, p);
}
+
+/*
+ TODO: use scm_map iso. for loops.
+ */
void
Line_of_score::pre_processing ()
{
- for (SCM s = get_elt_pointer ("all-elements"); gh_pair_p (s); s = gh_cdr (s))
- unsmob_element (gh_car (s))->discretionary_processing ();
+ for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ unsmob_grob (ly_car (s))->discretionary_processing ();
- progress_indication ( _f("Element count %d ", element_count ()));
+ if (verbose_global_b)
+ progress_indication (_f ("Element count %d ", element_count ()));
- for (SCM s = get_elt_pointer ("all-elements"); gh_pair_p (s); s = gh_cdr (s))
- unsmob_element (gh_car (s))->handle_prebroken_dependencies ();
+ for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ unsmob_grob (ly_car (s))->handle_prebroken_dependencies ();
- fixup_refpoints (get_elt_pointer ("all-elements"));
+ fixup_refpoints (get_grob_property ("all-elements"));
- for (SCM s = get_elt_pointer ("all-elements"); gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
{
- Score_element* sc = unsmob_element (gh_car (s));
- sc->calculate_dependencies (PRECALCED, PRECALCING, &Score_element::before_line_breaking);
+ Grob* sc = unsmob_grob (ly_car (s));
+ sc->calculate_dependencies (PRECALCED, PRECALCING, ly_symbol2scm ("before-line-breaking-callback"));
}
- progress_indication ("\n" + _ ("Calculating column positions...") + " " );
- for (SCM s = get_elt_pointer ("all-elements"); gh_pair_p (s); s = gh_cdr (s))
- unsmob_element (gh_car (s))->do_space_processing ();
+ progress_indication ("\n" + _ ("Calculating column positions...") + " ");
+ for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ {
+ Grob * e = unsmob_grob (ly_car (s));
+ SCM proc = e->get_grob_property ("spacing-procedure");
+ if (gh_procedure_p (proc))
+ gh_call1 (proc, e->self_scm ());
+ }
}
void
-Line_of_score::post_processing ()
+Line_of_score::post_processing (bool last_line)
{
- for (SCM s = get_elt_pointer ("all-elements");
- gh_pair_p (s); s = gh_cdr (s))
+ for (SCM s = get_grob_property ("all-elements");
+ gh_pair_p (s); s = ly_cdr (s))
{
- Score_element* sc = unsmob_element (gh_car (s));
- sc->calculate_dependencies (POSTCALCED, POSTCALCING, &Score_element::after_line_breaking);
+ Grob* sc = unsmob_grob (ly_car (s));
+ sc->calculate_dependencies (POSTCALCED, POSTCALCING,
+ ly_symbol2scm ("after-line-breaking-callback"));
}
- Interval i(extent(Y_AXIS));
- if (i.empty_b())
+ Interval i (extent (this, Y_AXIS));
+ if (i.empty_b ())
programming_error ("Huh? Empty Line_of_score?");
else
translate_axis (- i[MAX], Y_AXIS);
/*
generate all molecules to trigger all font loads.
- (ugh. This is not very memory efficient.) */
- for (SCM s = get_elt_pointer ("all-elements"); gh_pair_p (s); s = gh_cdr (s))
- unsmob_element (gh_car (s))->get_molecule ();
-
+ (ugh. This is not very memory efficient.) */
+ for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s); s = ly_cdr (s))
+ {
+ unsmob_grob (ly_car (s))->get_molecule ();
+ }
/*
font defs;
*/
- SCM font_names = ly_quote_scm (all_fonts_global_p->font_descriptions ());
- output_scheme (gh_list (ly_symbol2scm ("define-fonts"),
- font_names,
- SCM_UNDEFINED));
+ SCM font_names = ly_quote_scm (paper_l ()->font_descriptions ());
+ output_scheme (scm_list_n (ly_symbol2scm ("define-fonts"),
+ font_names,
+ SCM_UNDEFINED));
/*
line preamble.
*/
- output_scheme (gh_list (ly_symbol2scm ("start-line"),
+ output_scheme (scm_list_n (ly_symbol2scm ("start-line"),
gh_double2scm (height),
SCM_UNDEFINED));
- Real il = paper_l ()->get_var ("interline");
-
- /*
- all elements.
- */
- for (SCM s = get_elt_pointer ("all-elements"); gh_pair_p (s); s = gh_cdr (s))
+ /* Output elements in three layers, 0, 1, 2.
+ The default layer is 1. */
+ for (int i = 0; i < 3; i++)
+ for (SCM s = get_grob_property ("all-elements"); gh_pair_p (s);
+ s = ly_cdr (s))
+ {
+ Grob *sc = unsmob_grob (ly_car (s));
+ Molecule *m = sc->get_molecule ();
+ if (!m)
+ continue;
+
+ SCM s = sc->get_grob_property ("layer");
+ int layer = gh_number_p (s) ? gh_scm2int (s) : 1;
+ if (layer != i)
+ continue;
+
+ Offset o (sc->relative_coordinate (this, X_AXIS),
+ sc->relative_coordinate (this, Y_AXIS));
+
+ SCM e = sc->get_grob_property ("extra-offset");
+ if (gh_pair_p (e))
+ {
+ o[X_AXIS] += gh_scm2double (ly_car (e));
+ o[Y_AXIS] += gh_scm2double (ly_cdr (e));
+ }
+
+ output_molecule (m->get_expr (), o);
+ }
+
+ if (last_line)
{
- Score_element * sc = unsmob_element (gh_car (s));
- Molecule m = sc->get_molecule ();
-
- Offset o (sc->relative_coordinate (this, X_AXIS),
- sc->relative_coordinate (this, Y_AXIS));
-
- SCM e = sc->get_elt_property ("extra-offset");
- if (gh_pair_p (e))
- {
- o[X_AXIS] += il * gh_scm2double (gh_car (e));
- o[Y_AXIS] += il * gh_scm2double (gh_cdr (e));
- }
-
- output_molecule (m.get_expr (), o);
+ output_scheme (scm_list_n (ly_symbol2scm ("stop-last-line"), SCM_UNDEFINED));
+ }
+ else
+ {
+ output_scheme (scm_list_n (ly_symbol2scm ("stop-line"), SCM_UNDEFINED));
}
- output_scheme (gh_list (ly_symbol2scm ("stop-line"), SCM_UNDEFINED));
}
l = l->column_l ();
r = r->column_l ();
- SCM s = get_elt_pointer ("columns");
+ SCM s = get_grob_property ("columns");
- while (gh_pair_p (s) && gh_car (s) != r->self_scm_)
- s = gh_cdr (s);
+ while (gh_pair_p (s) && ly_car (s) != r->self_scm ())
+ s = ly_cdr (s);
if (gh_pair_p (s))
- s = gh_cdr (s);
+ s = ly_cdr (s);
- while (gh_pair_p (s) && gh_car (s) != l->self_scm_)
+ while (gh_pair_p (s) && ly_car (s) != l->self_scm ())
{
- Paper_column *c
- = dynamic_cast<Paper_column*> (unsmob_element (gh_car (s)));
- if (c->breakable_b () && !c->line_l_)
+ Paper_column*c = dynamic_cast<Paper_column*> (unsmob_grob (ly_car (s)));
+ if (Item::breakable_b (c) && !c->line_l_)
ret.push (c);
- s = gh_cdr (s);
+ s = ly_cdr (s);
}
ret.reverse ();
Return all columns, but filter out any unused columns , since they might
disrupt the spacing problem.
*/
-Link_array<Paper_column>
+Link_array<Grob>
Line_of_score::column_l_arr ()const
{
- Link_array<Paper_column> acs
- = Pointer_group_interface__extract_elements (this, (Paper_column*) 0, "columns");
+ Link_array<Grob> acs
+ = Pointer_group_interface__extract_elements (this, (Grob*) 0, "columns");
bool bfound = false;
- for (int i= acs.size (); i -- ; )
+ for (int i= acs.size (); i -- ;)
{
- bool brb = acs[i]->breakable_b();
+ bool brb = Item::breakable_b (acs[i]);
bfound = bfound || brb;
/*
seem empty. We need to retain breakable columns, in case
someone forced a breakpoint.
*/
- if (!bfound || !acs[i]->used_b ())
+ if (!bfound || !Paper_column::used_b (acs[i]))
acs.del (i);
}
return acs;
}
+
projects / lilypond.git / blobdiff