source file of the GNU LilyPond music typesetter
- (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include "system.hh"
+
#include <math.h>
+#include "align-interface.hh"
#include "axis-group-interface.hh"
#include "warn.hh"
-#include "system.hh"
#include "main.hh"
#include "paper-column.hh"
#include "output-def.hh"
-#include "paper-outputter.hh"
#include "paper-score.hh"
-#include "string.hh"
#include "warn.hh"
-#include "stencil.hh"
#include "all-font-metrics.hh"
#include "spacing-interface.hh"
#include "staff-symbol-referencer.hh"
#include "paper-book.hh"
-#include "paper-line.hh"
+#include "paper-system.hh"
+#include "tweak-registration.hh"
+
+System::System (System const &src, int count)
+ : Spanner (src, count)
+{
+ rank_ = 0;
+}
-System::System (SCM s)
- : Spanner (s)
+System::System (SCM s, Object_key const *key)
+ : Spanner (s, key)
{
rank_ = 0;
}
+Grob *
+System::clone (int count) const
+{
+ return new System (*this, count);
+}
+
int
System::element_count () const
{
System::spanner_count () const
{
int k = 0;
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
- if (dynamic_cast<Spanner*> (unsmob_grob (ly_car (s))))
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ if (dynamic_cast<Spanner *> (unsmob_grob (scm_car (s))))
k++;
return k;
}
void
-System::typeset_grob (Grob * elem)
+System::typeset_grob (Grob *elem)
{
if (elem->pscore_)
- programming_error ("Adding element twice.");
+ programming_error ("adding element twice");
else
{
elem->pscore_ = pscore_;
static void
fixup_refpoints (SCM s)
{
- for (; ly_c_pair_p (s); s = ly_cdr (s))
+ for (; scm_is_pair (s); s = scm_cdr (s))
{
- Grob::fixup_refpoint (ly_car (s));
+ Grob::fixup_refpoint (scm_car (s));
}
}
SCM
System::get_lines ()
{
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
if (g->internal_has_interface (ly_symbol2scm ("only-prebreak-interface")))
{
/*
- Kill no longer needed grobs.
- */
- Item * it = dynamic_cast<Item*> (g);
+ Kill no longer needed grobs.
+ */
+ Item *it = dynamic_cast<Item *> (g);
if (it && Item::is_breakable (it))
{
it->find_prebroken_piece (LEFT)->suicide ();
fixups must be done in broken line_of_scores, because new elements
are put over there. */
int count = 0;
- for (int i=0; i < broken_intos_.size (); i++)
+ for (int i = 0; i < broken_intos_.size (); i++)
{
Grob *se = broken_intos_[i];
SCM all = se->get_property ("all-elements");
- for (SCM s = all; ly_c_pair_p (s); s = ly_cdr (s))
- fixup_refpoint (ly_car (s));
+ for (SCM s = all; scm_is_pair (s); s = scm_cdr (s))
+ fixup_refpoint (scm_car (s));
count += scm_ilength (all);
}
-
+
/*
needed for doing items.
- */
+ */
fixup_refpoints (get_property ("all-elements"));
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
- unsmob_grob (ly_car (s))->handle_broken_dependencies ();
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ unsmob_grob (scm_car (s))->handle_broken_dependencies ();
handle_broken_dependencies ();
#if 0 /* don't do this: strange side effects. */
-
+
/* Because the this->get_property (all-elements) contains items in 3
versions, handle_broken_dependencies () will leave duplicated
items in all-elements. Strictly speaking this is harmless, but
for (int i = 0; i < line_count; i++)
{
SCM all = broken_intos_[i]->get_property ("all-elements");
- all = ly_list_qsort_uniq_x(all);
+ all = ly_list_qsort_uniq_x (all);
}
#endif
-
- if (verbose_global_b)
- progress_indication (_f ("Element count %d.", count + element_count ()));
+
+ if (be_verbose_global)
+ message (_f ("Element count %d.", count + element_count ()));
int line_count = broken_intos_.size ();
SCM lines = scm_c_make_vector (line_count, SCM_EOL);
-
+
for (int i = 0; i < line_count; i++)
{
- if (verbose_global_b)
+ if (be_verbose_global)
progress_indication ("[");
- System *system = dynamic_cast<System*> (broken_intos_[i]);
+ System *system = dynamic_cast<System *> (broken_intos_[i]);
system->post_processing ();
scm_vector_set_x (lines, scm_int2num (i), system->get_line ());
- if (verbose_global_b)
+ if (be_verbose_global)
progress_indication (to_string (i) + "]");
}
return lines;
}
-/* Find the loose columns in POSNS, and drape them around the columns
- specified in BETWEEN-COLS. */
-static void
-set_loose_columns (System* which, Column_x_positions const *posns)
-{
- int loose_col_count = posns->loose_cols_.size ();
- for (int i = 0; i < loose_col_count; i++)
- {
- int divide_over = 1;
- Item *loose = dynamic_cast<Item*> (posns->loose_cols_[i]);
- Paper_column* col = dynamic_cast<Paper_column*> (loose);
-
- if (col->system_)
- continue;
-
- Item *left = 0;
- Item *right = 0;
- while (1)
- {
- SCM between = loose->get_property ("between-cols");
- if (!ly_c_pair_p (between))
- break;
-
- Item *le = dynamic_cast<Item*> (unsmob_grob (ly_car (between)));
- Item *re = dynamic_cast<Item*> (unsmob_grob (ly_cdr (between)));
-
- if (!(le && re))
- break;
-
- if (!left && le)
- {
- left = le->get_column ();
- if (!left->get_system ())
- left = left->find_prebroken_piece (RIGHT);
- }
-
- divide_over++;
- loose = right = re->get_column ();
- }
-
- if (!right->get_system ())
- right = right->find_prebroken_piece (LEFT);
-
- /* Divide the remaining space of the column over the left and
- right side. At the moment, FIXME */
- Grob *common = right->common_refpoint (left, X_AXIS);
-
- Real rx = right->extent (common, X_AXIS)[LEFT];
- Real lx = left->extent (common, X_AXIS)[RIGHT];
- Real total_dx = rx - lx;
- Interval cval =col->extent (col, X_AXIS);
-
- /* Put it in the middle. This is not an ideal solution -- the
- break alignment code inserts a fixed space before the clef
- (about 1 SS), while the space following the clef is flexible.
- In tight situations, the clef will almost be on top of the
- following note. */
- Real dx = rx - lx - cval.length ();
- if (total_dx < 2* cval.length ())
- {
- /* TODO: this is discontinuous. I'm too tired to
- invent a sliding mechanism. Duh. */
- dx *= 0.25;
- }
- else
- dx *= 0.5;
-
- col->system_ = which;
- col->translate_axis (-col->relative_coordinate (common, X_AXIS), X_AXIS);
- col->translate_axis (lx + dx - cval[LEFT], X_AXIS);
- }
-}
-
-// const?
void
System::break_into_pieces (Array<Column_x_positions> const &breaking)
{
for (int i = 0; i < breaking.size (); i++)
{
- System *system = dynamic_cast <System*> (clone ());
+ System *system = dynamic_cast<System *> (clone (i));
system->rank_ = i;
Link_array<Grob> c (breaking[i].cols_);
pscore_->typeset_line (system);
-
- system->set_bound (LEFT,c[0]);
- system->set_bound (RIGHT,c.top ());
+
+ system->set_bound (LEFT, c[0]);
+ system->set_bound (RIGHT, c.top ());
for (int j = 0; j < c.size (); j++)
{
c[j]->translate_axis (breaking[i].config_[j], X_AXIS);
- dynamic_cast<Paper_column*> (c[j])->system_ = system;
+ dynamic_cast<Paper_column *> (c[j])->system_ = system;
}
set_loose_columns (system, &breaking[i]);
broken_intos_.push (system);
}
void
-System::add_column (Paper_column*p)
+System::add_column (Paper_column *p)
{
Grob *me = this;
SCM cs = me->get_property ("columns");
- Grob *prev = ly_c_pair_p (cs) ? unsmob_grob (ly_car (cs)) : 0;
+ Grob *prev = scm_is_pair (cs) ? unsmob_grob (scm_car (cs)) : 0;
- p->rank_ = prev ? Paper_column::get_rank (prev) + 1 : 0;
+ p->rank_ = prev ? Paper_column::get_rank (prev) + 1 : 0;
me->set_property ("columns", scm_cons (p->self_scm (), cs));
Axis_group_interface::add_element (me, p);
}
+void
+apply_tweaks (Grob *g, bool broken)
+{
+ if (bool (g->original_) == broken)
+ {
+ SCM tweaks = global_registry_->get_tweaks (g);
+ for (SCM s = tweaks; scm_is_pair (s); s = scm_cdr (s))
+ {
+ SCM proc = scm_caar (s);
+ SCM rest = scm_cdar (s);
+ scm_apply_1 (proc, g->self_scm (), rest);
+ }
+ }
+}
+
void
System::pre_processing ()
{
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
- unsmob_grob (ly_car (s))->discretionary_processing ();
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ unsmob_grob (scm_car (s))->discretionary_processing ();
- if (verbose_global_b)
- progress_indication (_f ("Grob count %d", element_count ()));
+ if (be_verbose_global)
+ message (_f ("Grob count %d", element_count ()));
+
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ unsmob_grob (scm_car (s))->handle_prebroken_dependencies ();
-
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
- unsmob_grob (ly_car (s))->handle_prebroken_dependencies ();
-
fixup_refpoints (get_property ("all-elements"));
-
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
+
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
+ apply_tweaks (unsmob_grob (scm_car (s)), false);
+
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob* sc = unsmob_grob (ly_car (s));
+ Grob *sc = unsmob_grob (scm_car (s));
sc->calculate_dependencies (PRECALCED, PRECALCING, ly_symbol2scm ("before-line-breaking-callback"));
}
-
- progress_indication ("\n" + _ ("Calculating line breaks...") + " ");
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
+
+ message (_ ("Calculating line breaks..."));
+ progress_indication (" ");
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob *e = unsmob_grob (ly_car (s));
+ Grob *e = unsmob_grob (scm_car (s));
SCM proc = e->get_property ("spacing-procedure");
if (ly_c_procedure_p (proc))
scm_call_1 (proc, e->self_scm ());
void
System::post_processing ()
{
- for (SCM s = get_property ("all-elements"); ly_c_pair_p (s); s = ly_cdr (s))
+ for (SCM s = get_property ("all-elements"); scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
+
+ apply_tweaks (g, true);
+
g->calculate_dependencies (POSTCALCED, POSTCALCING,
- ly_symbol2scm ("after-line-breaking-callback"));
+ ly_symbol2scm ("after-line-breaking-callback"));
}
Interval iv (extent (this, Y_AXIS));
if (iv.is_empty ())
- programming_error ("System with zero extent.");
+ programming_error ("system with zero extent");
else
translate_axis (-iv[MAX], Y_AXIS);
all = ly_list_qsort_uniq_x (all);
this->get_stencil ();
- for (SCM s = all; ly_c_pair_p (s); s = ly_cdr (s))
+ for (SCM s = all; scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
g->get_stencil ();
}
}
SCM
System::get_line ()
-{
+{
static int const LAYER_COUNT = 3;
- SCM stencils = SCM_EOL;
- if (Stencil *me = get_stencil ())
- stencils = scm_cons (me->smobbed_copy (), stencils);
-
- /* Output stencils in three layers: 0, 1, 2. Default layer: 1.
-
- Start with layer 3, since scm_cons prepends to list. */
- SCM all = get_property ("all-elements");
-
SCM exprs = SCM_EOL;
SCM *tail = &exprs;
- Real penalty = 0;
- for (int i = LAYER_COUNT; i--;)
- for (SCM s = all; ly_c_pair_p (s); s = ly_cdr (s))
+ /* Output stencils in three layers: 0, 1, 2. Default layer: 1. */
+ SCM all = get_property ("all-elements");
+
+ for (int i = 0; i < LAYER_COUNT; i++)
+ for (SCM s = all; scm_is_pair (s); s = scm_cdr (s))
{
- Grob *g = unsmob_grob (ly_car (s));
+ Grob *g = unsmob_grob (scm_car (s));
Stencil *stil = g->get_stencil ();
/* Skip empty stencils and grobs that are not in this layer. */
Stencil st = *stil;
st.translate (o + extra);
+
*tail = scm_cons (st.expr (), SCM_EOL);
- tail = SCM_CDRLOC(*tail);
-
- /*
- UGH. back-end should extract this info from the System?
- */
- if (g->original_)
- {
- /*
- Huh ? penalties from all columns are added ??!! --hwn
- */
- if (Item *it = dynamic_cast <Item*> (g))
- {
- Grob *col = it->get_column ();
- SCM s = col->get_property ("page-penalty");
-
- // FIXME; page breaking is not discrete at +-10000
- if (ly_c_number_p (s)) // && fabs (ly_scm2double (s)) < 10000)
- penalty += ly_scm2double (s);
- }
- }
+ tail = SCM_CDRLOC (*tail);
}
- /*
- TODO: fix user penalties.
-
- */
-
+ if (Stencil *me = get_stencil ())
+ exprs = scm_cons (me->expr (), exprs);
+
Interval x (extent (this, X_AXIS));
Interval y (extent (this, Y_AXIS));
- Stencil sys_stencil (Box (x,y),
+ Stencil sys_stencil (Box (x, y),
scm_cons (ly_symbol2scm ("combine-stencil"),
exprs));
-
- Paper_line *pl = new Paper_line (sys_stencil, false);
+
+ Interval staff_refpoints;
+ staff_refpoints.set_empty ();
+ for (SCM s = get_property ("spaceable-staves");
+ scm_is_pair (s); s = scm_cdr (s))
+ {
+ Grob *g = unsmob_grob (scm_car (s));
+ staff_refpoints.add_point (g->relative_coordinate (this, Y_AXIS));
+ }
+
+ Paper_system *pl = new Paper_system (sys_stencil, false);
+ pl->staff_refpoints_ = staff_refpoints;
+ Item *break_point = this->get_bound (LEFT);
+ pl->break_before_penalty_
+ = robust_scm2double (break_point->get_property ("page-penalty"), 0.0);
return scm_gc_unprotect_object (pl->self_scm ());
}
-Link_array<Item>
+Link_array<Item>
System::broken_col_range (Item const *left, Item const *right) const
{
Link_array<Item> ret;
right = right->get_column ();
SCM s = get_property ("columns");
- while (ly_c_pair_p (s) && ly_car (s) != right->self_scm ())
- s = ly_cdr (s);
+ while (scm_is_pair (s) && scm_car (s) != right->self_scm ())
+ s = scm_cdr (s);
- if (ly_c_pair_p (s))
- s = ly_cdr (s);
+ if (scm_is_pair (s))
+ s = scm_cdr (s);
- while (ly_c_pair_p (s) && ly_car (s) != left->self_scm ())
+ while (scm_is_pair (s) && scm_car (s) != left->self_scm ())
{
- Paper_column*c = dynamic_cast<Paper_column*> (unsmob_grob (ly_car (s)));
+ Paper_column *c = dynamic_cast<Paper_column *> (unsmob_grob (scm_car (s)));
if (Item::is_breakable (c) && !c->system_)
ret.push (c);
- s = ly_cdr (s);
+ s = scm_cdr (s);
}
ret.reverse ();
System::columns () const
{
Link_array<Grob> acs
- = Pointer_group_interface__extract_grobs (this, (Grob*) 0, "columns");
+ = extract_grob_array (this, ly_symbol2scm ("columns"));
bool found = false;
for (int i = acs.size (); i--;)
{
return acs;
}
-ADD_INTERFACE (System,"system-interface",
+
+ADD_INTERFACE (System, "system-interface",
"This is the toplevel object: each object in a score "
"ultimately has a System object as its X and Y parent. ",
- "all-elements columns")
+ "all-elements spaceable-staves columns")
projects / lilypond.git / blobdiff