/*
- paper-book.cc -- implement Paper_book
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2004--2015 Jan Nieuwenhuizen <janneke@gnu.org>
- (c) 2004--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "paper-book.hh"
#include "grob.hh"
+#include "international.hh"
#include "main.hh"
#include "output-def.hh"
#include "paper-column.hh"
#include "warn.hh"
#include "program-option.hh"
#include "page-marker.hh"
+#include "ly-module.hh"
+#include "lily-imports.hh"
-#include "ly-smobs.icc"
Paper_book::Paper_book ()
{
{
}
-IMPLEMENT_DEFAULT_EQUAL_P (Paper_book);
-IMPLEMENT_SMOBS (Paper_book);
-IMPLEMENT_TYPE_P (Paper_book, "ly:paper-book?");
+const char Paper_book::type_p_name_[] = "ly:paper-book?";
SCM
-Paper_book::mark_smob (SCM smob)
-{
- Paper_book *b = (Paper_book *) SCM_CELL_WORD_1 (smob);
- if (b->paper_)
- scm_gc_mark (b->paper_->self_scm ());
- if (b->parent_)
- scm_gc_mark (b->parent_->self_scm ());
- scm_gc_mark (b->header_);
- scm_gc_mark (b->header_0_);
- scm_gc_mark (b->pages_);
- scm_gc_mark (b->performances_);
- scm_gc_mark (b->scores_);
- scm_gc_mark (b->bookparts_);
- return b->systems_;
-}
-
-int
-Paper_book::print_smob (SCM smob, SCM port, scm_print_state*)
+Paper_book::mark_smob () const
{
- Paper_book *b = (Paper_book *) SCM_CELL_WORD_1 (smob);
- (void)b;
- scm_puts ("#<Paper_book>", port);
- return 1;
+ if (paper_)
+ scm_gc_mark (paper_->self_scm ());
+ if (parent_)
+ scm_gc_mark (parent_->self_scm ());
+ scm_gc_mark (header_);
+ scm_gc_mark (header_0_);
+ scm_gc_mark (pages_);
+ scm_gc_mark (performances_);
+ scm_gc_mark (scores_);
+ scm_gc_mark (bookparts_);
+ return systems_;
}
Output_def *
for (vsize i = dump_header_fieldnames_global.size (); i--;)
fields
= scm_cons (ly_symbol2scm (dump_header_fieldnames_global[i].c_str ()),
- fields);
+ fields);
return fields;
}
performances_ = scm_cons (s, performances_);
}
-void
+long
Paper_book::output_aux (SCM output_channel,
- bool is_last,
- int *first_page_number,
- int *first_performance_number)
+ bool is_last,
+ long *first_page_number,
+ long *first_performance_number)
{
+ long page_nb = 0;
if (scm_is_pair (performances_))
{
- SCM proc = ly_lily_module_constant ("write-performances-midis");
-
- scm_call_3 (proc,
- performances (),
- output_channel,
- scm_long2num (*first_performance_number));
+ Lily::write_performances_midis (performances (),
+ output_channel,
+ scm_from_long (*first_performance_number));
*first_performance_number += scm_ilength (performances_);
}
if (scm_is_pair (bookparts_))
{
- for (SCM p = scm_reverse (bookparts_); scm_is_pair (p); p = scm_cdr (p))
- if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
- {
- bool is_last_part = (is_last && !scm_is_pair (scm_cdr (p)));
- pbookpart->output_aux (output_channel,
- is_last_part,
- first_page_number,
- first_performance_number);
- }
+ for (SCM p = bookparts_; scm_is_pair (p); p = scm_cdr (p))
+ if (Paper_book *pbookpart = unsmob<Paper_book> (scm_car (p)))
+ {
+ bool is_last_part = (is_last && !scm_is_pair (scm_cdr (p)));
+ page_nb += pbookpart->output_aux (output_channel,
+ is_last_part,
+ first_page_number,
+ first_performance_number);
+ }
}
else
{
- if (scores_ == SCM_EOL)
- return;
+ if (scm_is_null (scores_))
+ return 0;
paper_->set_variable (ly_symbol2scm ("first-page-number"),
- scm_long2num (*first_page_number));
+ scm_from_long (*first_page_number));
paper_->set_variable (ly_symbol2scm ("is-last-bookpart"),
- ly_bool2scm (is_last));
+ ly_bool2scm (is_last));
/* Generate all stencils to trigger font loads. */
- *first_page_number += scm_ilength (pages ());
+ page_nb = scm_ilength (pages ());
+ *first_page_number += page_nb;
}
+ return page_nb;
}
void
Paper_book::output (SCM output_channel)
{
- int first_page_number = robust_scm2int (paper_->c_variable ("first-page-number"), 1);
- int first_performance_number = 0;
- output_aux (output_channel,
- true,
- &first_page_number,
- &first_performance_number);
+ long first_page_number
+ = robust_scm2int (paper_->c_variable ("first-page-number"), 1);
+ long first_performance_number = 0;
+
+ /* FIXME: We need a line-width for ps output (framework-ps.scm:92).
+ If we don't have any, we take the paper-width unless we know
+ better which line-width to choose (e.g. if there are \bookparts
+ with different line-widths) and why we need it at all.
+ */
+
+ if (SCM_UNBNDP (paper_->c_variable ("line-width")))
+ paper_->set_variable (ly_symbol2scm ("line-width"),
+ paper_->c_variable ("paper-width"));
+
+ if (!output_aux (output_channel,
+ true,
+ &first_page_number,
+ &first_performance_number))
+ return;
SCM scopes = SCM_EOL;
if (ly_is_module (header_))
if (get_program_option ("print-pages"))
{
- SCM func = scm_c_module_lookup (mod, "output-framework");
-
- func = scm_variable_ref (func);
- scm_apply_0 (func, scm_list_n (output_channel,
- self_scm (),
- scopes,
- dump_fields (),
- SCM_UNDEFINED));
+ SCM framework = ly_module_lookup (mod,
+ ly_symbol2scm ("output-framework"));
+
+ if (scm_is_true (framework))
+ {
+ SCM func = scm_variable_ref (framework);
+ scm_call_4 (func,
+ output_channel,
+ self_scm (),
+ scopes,
+ dump_fields ());
+ }
+ else
+ warning (_f ("program option -dprint-pages not supported by backend `%s'",
+ get_output_backend_name ()));
}
if (get_program_option ("preview"))
{
- SCM func = scm_c_module_lookup (mod, "output-preview-framework");
- func = scm_variable_ref (func);
- scm_apply_0 (func, scm_list_n (output_channel,
- self_scm (),
- scopes,
- dump_fields (),
- SCM_UNDEFINED));
+ SCM framework
+ = ly_module_lookup (mod, ly_symbol2scm ("output-preview-framework"));
+
+ if (scm_is_true (framework))
+ {
+ SCM func = scm_variable_ref (framework);
+ scm_call_4 (func,
+ output_channel,
+ self_scm (),
+ scopes,
+ dump_fields ());
+ }
+ else
+ warning (_f ("program option -dpreview not supported by backend `%s'",
+ get_output_backend_name ()));
}
}
void
Paper_book::classic_output_aux (SCM output,
- int *first_performance_number)
+ long *first_performance_number)
{
if (scm_is_pair (performances_))
{
- SCM proc = ly_lily_module_constant ("write-performances-midis");
- scm_call_3 (proc,
- performances (),
- output,
- scm_long2num (*first_performance_number));
+ Lily::write_performances_midis (performances (),
+ output,
+ scm_from_long (*first_performance_number));
*first_performance_number += scm_ilength (performances_);
}
-
+
/* Generate all stencils to trigger font loads. */
systems ();
}
void
Paper_book::classic_output (SCM output)
{
- int first_performance_number = 0;
+ long first_performance_number = 0;
classic_output_aux (output, &first_performance_number);
SCM scopes = SCM_EOL;
SCM func = scm_c_module_lookup (mod, "output-classic-framework");
func = scm_variable_ref (func);
- scm_apply_0 (func, scm_list_n (output,
- self_scm (),
- scopes,
- dump_fields (),
- SCM_UNDEFINED));
-
+ scm_call_4 (func,
+ output,
+ self_scm (),
+ scopes,
+ dump_fields ());
progress_indication ("\n");
}
SCM tit = SCM_EOL;
if (ly_is_procedure (title_func))
tit = scm_call_2 (title_func,
- paper_->self_scm (),
- scopes);
+ paper_->self_scm (),
+ scopes);
- if (unsmob_stencil (tit))
- title = *unsmob_stencil (tit);
+ if (unsmob<Stencil> (tit))
+ title = *unsmob<Stencil> (tit);
if (!title.is_empty ())
title.align_to (Y_AXIS, UP);
SCM tit = SCM_EOL;
if (ly_is_procedure (title_func))
tit = scm_call_2 (title_func,
- paper_->self_scm (),
- scopes);
+ paper_->self_scm (),
+ scopes);
- if (unsmob_stencil (tit))
- title = *unsmob_stencil (tit);
+ if (unsmob<Stencil> (tit))
+ title = *unsmob<Stencil> (tit);
if (!title.is_empty ())
title.align_to (Y_AXIS, UP);
void
set_page_permission (SCM sys, SCM symbol, SCM permission)
{
- if (Paper_score *ps = dynamic_cast<Paper_score*> (unsmob_music_output (sys)))
+ if (Paper_score *ps = unsmob<Paper_score> (sys))
{
- vector<Grob*> cols = ps->get_columns ();
+ vector<Grob *> cols = ps->get_columns ();
if (cols.size ())
- {
- Paper_column *col = dynamic_cast<Paper_column*> (cols.back ());
- col->set_property (symbol, permission);
- col->find_prebroken_piece (LEFT)->set_property (symbol, permission);
- }
+ {
+ Paper_column *col = dynamic_cast<Paper_column *> (cols.back ());
+ col->set_property (symbol, permission);
+ col->find_prebroken_piece (LEFT)->set_property (symbol, permission);
+ }
}
- else if (Prob *pb = unsmob_prob (sys))
+ else if (Prob *pb = unsmob<Prob> (sys))
pb->set_property (symbol, permission);
}
{
SCM force = ly_module_lookup (header, ly_symbol2scm ("breakbefore"));
if (SCM_VARIABLEP (force)
- && scm_is_bool (SCM_VARIABLE_REF (force)))
- {
- if (to_boolean (SCM_VARIABLE_REF (force)))
- {
- set_page_permission (sys, ly_symbol2scm ("page-break-permission"),
- ly_symbol2scm ("force"));
- set_page_permission (sys, ly_symbol2scm ("line-break-permission"),
- ly_symbol2scm ("force"));
- }
- else
- set_page_permission (sys, ly_symbol2scm ("page-break-permission"), SCM_EOL);
- }
+ && scm_is_bool (SCM_VARIABLE_REF (force)))
+ {
+ if (to_boolean (SCM_VARIABLE_REF (force)))
+ {
+ set_page_permission (sys, ly_symbol2scm ("page-break-permission"),
+ ly_symbol2scm ("force"));
+ set_page_permission (sys, ly_symbol2scm ("line-break-permission"),
+ ly_symbol2scm ("force"));
+ }
+ else
+ set_page_permission (sys, ly_symbol2scm ("page-break-permission"),
+ SCM_EOL);
+ }
}
}
void
set_labels (SCM sys, SCM labels)
{
- if (Paper_score *ps = dynamic_cast<Paper_score*> (unsmob_music_output (sys)))
+ if (Paper_score *ps = unsmob<Paper_score> (sys))
{
- vector<Grob*> cols = ps->get_columns ();
+ vector<Grob *> cols = ps->get_columns ();
if (cols.size ())
- {
- Paper_column *col = dynamic_cast<Paper_column*> (cols[0]);
- col->set_property ("labels",
- scm_append_x (scm_list_2 (col->get_property ("labels"),
- labels)));
- Paper_column *col_right = dynamic_cast<Paper_column*> (col->find_prebroken_piece (RIGHT));
- col_right->set_property ("labels",
- scm_append_x (scm_list_2 (col_right->get_property ("labels"),
- labels)));
- }
+ {
+ Paper_column *col = dynamic_cast<Paper_column *> (cols[0]);
+ col->set_property ("labels",
+ scm_append_x (scm_list_2 (col->get_property ("labels"),
+ labels)));
+ Paper_column *col_right
+ = dynamic_cast<Paper_column *> (col->find_prebroken_piece (RIGHT));
+ col_right->set_property ("labels",
+ scm_append_x (scm_list_2 (col_right->get_property ("labels"),
+ labels)));
+ }
}
- else if (Prob *pb = unsmob_prob (sys))
- pb->set_property ("labels",
- scm_append_x (scm_list_2 (pb->get_property ("labels"),
- labels)));
+ else if (Prob *pb = unsmob<Prob> (sys))
+ pb->set_property ("labels",
+ scm_append_x (scm_list_2 (pb->get_property ("labels"),
+ labels)));
}
SCM
if (!title.is_empty ())
{
/*
- TODO: this should come from the \layout {} block, which should
- override settings from \paper {}
+ TODO: this should come from the \layout {} block, which should
+ override settings from \paper {}
*/
- SCM props = paper_->lookup_variable (ly_symbol2scm ("score-title-properties"));
+ SCM props
+ = paper_->lookup_variable (ly_symbol2scm ("score-title-properties"));
Prob *ps = make_paper_system (props);
paper_system_set_stencil (ps, title);
return SCM_BOOL_F;
}
-
SCM
Paper_book::get_system_specs ()
{
SCM system_specs = SCM_EOL;
-
+
Stencil title = book_title ();
if (!title.is_empty ())
{
- SCM props = paper_->lookup_variable (ly_symbol2scm ("book-title-properties"));
+ SCM props
+ = paper_->lookup_variable (ly_symbol2scm ("book-title-properties"));
Prob *ps = make_paper_system (props);
paper_system_set_stencil (ps, title);
-
+
system_specs = scm_cons (ps->self_scm (), system_specs);
ps->unprotect ();
}
SCM page_properties
- = scm_call_1 (ly_lily_module_constant ("layout-extract-page-properties"),
- paper_->self_scm ());
+ = Lily::layout_extract_page_properties (paper_->self_scm ());
- SCM interpret_markup_list = ly_lily_module_constant ("interpret-markup-list");
SCM header = SCM_EOL;
SCM labels = SCM_EOL;
for (SCM s = scm_reverse (scores_); scm_is_pair (s); s = scm_cdr (s))
{
if (ly_is_module (scm_car (s)))
- {
- header = scm_car (s);
- if (header_0_ == SCM_EOL)
- header_0_ = header;
- }
- else if (Page_marker *page_marker = unsmob_page_marker (scm_car (s)))
- {
- /* page markers are used to set page breaking/turning permission,
- or to place bookmarking labels */
- if (scm_is_symbol (page_marker->permission_symbol ()))
- {
- /* set previous element page break or turn permission */
- if (scm_is_pair (system_specs))
- set_page_permission (scm_car (system_specs),
- page_marker->permission_symbol (),
- page_marker->permission_value ());
- }
- if (scm_is_symbol (page_marker->label ()))
- {
- /* The next element label is to be set */
- labels = scm_cons (page_marker->label (), labels);
- }
- }
- else if (Music_output *mop = unsmob_music_output (scm_car (s)))
- {
- if (Paper_score *pscore = dynamic_cast<Paper_score *> (mop))
- {
- SCM title = get_score_title (header);
-
- if (scm_is_pair (system_specs))
- set_system_penalty (scm_car (system_specs), header);
-
- if (unsmob_prob (title))
- {
- system_specs = scm_cons (title, system_specs);
- unsmob_prob (title)->unprotect ();
- }
-
- header = SCM_EOL;
- system_specs = scm_cons (pscore->self_scm (), system_specs);
- if (scm_is_pair (labels))
- {
- set_labels (scm_car (system_specs), labels);
- labels = SCM_EOL;
- }
- }
- else
- {
- /*
- Ignore MIDI
- */
- }
- }
+ {
+ header = scm_car (s);
+ if (scm_is_null (header_0_))
+ header_0_ = header;
+ }
+ else if (Page_marker *page_marker = unsmob<Page_marker> (scm_car (s)))
+ {
+ /* page markers are used to set page breaking/turning permission,
+ or to place bookmarking labels */
+ if (scm_is_symbol (page_marker->permission_symbol ()))
+ {
+ /* set previous element page break or turn permission */
+ if (scm_is_pair (system_specs))
+ set_page_permission (scm_car (system_specs),
+ page_marker->permission_symbol (),
+ page_marker->permission_value ());
+ }
+ if (scm_is_symbol (page_marker->label ()))
+ {
+ /* The next element label is to be set */
+ labels = scm_cons (page_marker->label (), labels);
+ }
+ }
+ else if (Music_output *mop = unsmob<Music_output> (scm_car (s)))
+ {
+ if (Paper_score *pscore = dynamic_cast<Paper_score *> (mop))
+ {
+ SCM title = get_score_title (header);
+
+ if (scm_is_pair (system_specs))
+ set_system_penalty (scm_car (system_specs), header);
+
+ if (unsmob<Prob> (title))
+ {
+ system_specs = scm_cons (title, system_specs);
+ unsmob<Prob> (title)->unprotect ();
+ }
+
+ header = SCM_EOL;
+ system_specs = scm_cons (pscore->self_scm (), system_specs);
+ if (scm_is_pair (labels))
+ {
+ set_labels (scm_car (system_specs), labels);
+ labels = SCM_EOL;
+ }
+ }
+ else
+ {
+ /*
+ Ignore MIDI
+ */
+ }
+ }
else if (Text_interface::is_markup_list (scm_car (s)))
- {
- SCM texts = scm_call_3 (interpret_markup_list,
- paper_->self_scm (),
- page_properties,
- scm_car (s));
- for (SCM list = texts ; scm_is_pair (list) ; list = scm_cdr (list))
- {
- SCM t = scm_car (list);
- // TODO: init props
- Prob *ps = make_paper_system (SCM_EOL);
- ps->set_property ("page-break-permission", ly_symbol2scm ("allow"));
- ps->set_property ("page-turn-permission", ly_symbol2scm ("allow"));
-
- paper_system_set_stencil (ps, *unsmob_stencil (t));
- ps->set_property ("is-title", SCM_BOOL_T);
- if (scm_is_pair (scm_cdr (list)))
- {
- /* If an other markup is following, set this markup
- * next padding and next space to 0, so that baseline-skip
- * only should be taken into account for lines vertical
- * spacing. */
- ps->set_property ("next-padding", scm_double2num (0.0));
- ps->set_property ("next-space", scm_double2num (0.0));
- }
- system_specs = scm_cons (ps->self_scm (), system_specs);
- ps->unprotect ();
-
- if (scm_is_pair (labels))
- {
- set_labels (scm_car (system_specs), labels);
- labels = SCM_EOL;
- }
- // FIXME: figure out penalty.
- //set_system_penalty (ps, scores_[i].header_);
- }
- }
+ {
+ SCM texts = Lily::interpret_markup_list (paper_->self_scm (),
+ page_properties,
+ scm_car (s));
+ Prob *first = 0;
+ Prob *last = 0;
+ for (SCM list = texts; scm_is_pair (list); list = scm_cdr (list))
+ {
+ SCM t = scm_car (list);
+ // TODO: init props
+ Prob *ps = make_paper_system (SCM_EOL);
+ ps->set_property ("page-break-permission",
+ ly_symbol2scm ("allow"));
+ ps->set_property ("page-turn-permission",
+ ly_symbol2scm ("allow"));
+ ps->set_property ("last-markup-line", SCM_BOOL_F);
+ ps->set_property ("first-markup-line", SCM_BOOL_F);
+
+ paper_system_set_stencil (ps, *unsmob<Stencil> (t));
+
+ SCM footnotes = get_footnotes (unsmob<Stencil> (t)->expr ());
+ ps->set_property ("footnotes", footnotes);
+ ps->set_property ("is-title", SCM_BOOL_T);
+ if (list == texts)
+ first = ps;
+ else
+ {
+ // last line so far, in a multi-line paragraph
+ last = ps;
+ //Place closely to previous line, no stretching.
+ ps->set_property ("tight-spacing", SCM_BOOL_T);
+ }
+ system_specs = scm_cons (ps->self_scm (), system_specs);
+ ps->unprotect ();
+
+ if (scm_is_pair (labels))
+ {
+ set_labels (scm_car (system_specs), labels);
+ labels = SCM_EOL;
+ }
+ // FIXME: figure out penalty.
+ //set_system_penalty (ps, scores_[i].header_);
+ }
+ /* Set properties to avoid widowed/orphaned lines.
+ Single-line markup_lists are excluded, but in future
+ we may want to add the case of a very short, single line. */
+ if (first && last)
+ {
+ last->set_property ("last-markup-line", SCM_BOOL_T);
+ first->set_property ("first-markup-line", SCM_BOOL_T);
+ }
+ }
else
- assert (0);
+ assert (0);
}
system_specs = scm_reverse_x (system_specs, SCM_EOL);
SCM
Paper_book::systems ()
{
- if (systems_ != SCM_BOOL_F)
+ if (scm_is_true (systems_))
return systems_;
systems_ = SCM_EOL;
if (scm_is_pair (bookparts_))
{
- for (SCM p = scm_reverse (bookparts_); scm_is_pair (p); p = scm_cdr (p))
- if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
- systems_ = scm_append_x (scm_list_2 (systems_, pbookpart->systems ()));
+ SCM system_list = SCM_EOL;
+ for (SCM p = bookparts_; scm_is_pair (p); p = scm_cdr (p))
+ if (Paper_book *pbookpart = unsmob<Paper_book> (scm_car (p)))
+ system_list = scm_cons (pbookpart->systems (), system_list);
+ systems_ = scm_append (scm_reverse_x (system_list, SCM_EOL));
}
else
{
SCM specs = get_system_specs ();
for (SCM s = specs; scm_is_pair (s); s = scm_cdr (s))
- {
- if (Paper_score *pscore = dynamic_cast<Paper_score*> (unsmob_music_output (scm_car (s))))
- {
- SCM system_list = scm_vector_to_list (pscore->get_paper_systems ());
- system_list = scm_reverse (system_list);
- systems_ = scm_append (scm_list_2 (system_list, systems_));
- }
- else
- {
- systems_ = scm_cons (scm_car (s), systems_);
- }
- }
- systems_ = scm_reverse (systems_);
+ {
+ if (Paper_score * pscore
+ = unsmob<Paper_score> (scm_car (s)))
+ {
+ SCM system_list
+ = scm_vector_to_list (pscore->get_paper_systems ());
+
+ systems_ = scm_reverse_x (system_list, systems_);
+ }
+ else
+ {
+ systems_ = scm_cons (scm_car (s), systems_);
+ }
+ }
+ systems_ = scm_reverse_x (systems_, SCM_EOL);
/* backwards compatibility for the old page breaker */
int i = 0;
Prob *last = 0;
for (SCM s = systems_; scm_is_pair (s); s = scm_cdr (s))
- {
- Prob *ps = unsmob_prob (scm_car (s));
- ps->set_property ("number", scm_from_int (++i));
-
- if (last
- && to_boolean (last->get_property ("is-title"))
- && !scm_is_number (ps->get_property ("penalty")))
- ps->set_property ("penalty", scm_from_int (10000));
- last = ps;
-
- if (scm_is_pair (scm_cdr (s)))
- {
- SCM perm = ps->get_property ("page-break-permission");
- Prob *next = unsmob_prob (scm_cadr (s));
- if (perm == SCM_EOL)
- next->set_property ("penalty", scm_from_int (10001));
- else if (perm == ly_symbol2scm ("force"))
- next->set_property ("penalty", scm_from_int (-10001));
- }
- }
+ {
+ Prob *ps = unsmob<Prob> (scm_car (s));
+ ps->set_property ("number", scm_from_int (++i));
+
+ if (last
+ && to_boolean (last->get_property ("is-title"))
+ && !scm_is_number (ps->get_property ("penalty")))
+ ps->set_property ("penalty", scm_from_int (10000));
+ last = ps;
+
+ if (scm_is_pair (scm_cdr (s)))
+ {
+ SCM perm = ps->get_property ("page-break-permission");
+ Prob *next = unsmob<Prob> (scm_cadr (s));
+ if (scm_is_null (perm))
+ next->set_property ("penalty", scm_from_int (10001));
+ else if (scm_is_eq (perm, ly_symbol2scm ("force")))
+ next->set_property ("penalty", scm_from_int (-10001));
+ }
+ }
}
return systems_;
SCM
Paper_book::pages ()
{
- if (SCM_BOOL_F != pages_)
+ if (scm_is_true (pages_))
return pages_;
pages_ = SCM_EOL;
if (scm_is_pair (bookparts_))
{
- for (SCM p = scm_reverse (bookparts_); scm_is_pair (p); p = scm_cdr (p))
- if (Paper_book *pbookpart = unsmob_paper_book (scm_car (p)))
- pages_ = scm_append_x (scm_list_2 (pages_, pbookpart->pages ()));
+ for (SCM p = bookparts_; scm_is_pair (p); p = scm_cdr (p))
+ if (Paper_book *pbookpart = unsmob<Paper_book> (scm_car (p)))
+ pages_ = scm_cons (pbookpart->pages (), pages_);
+ pages_ = scm_append (scm_reverse_x (pages_, SCM_EOL));
}
- else
+ else if (scm_is_pair (scores_))
{
- SCM proc = paper_->c_variable ("page-breaking-wrapper");
- pages_ = scm_apply_0 (proc, scm_list_1 (self_scm ()));
+ SCM page_breaking = paper_->c_variable ("page-breaking");
+ pages_ = scm_call_1 (page_breaking, self_scm ());
+
+ // Create all the page stencils.
+ SCM page_module = scm_c_resolve_module ("scm page");
+ SCM page_stencil = scm_c_module_lookup (page_module, "page-stencil");
+ page_stencil = scm_variable_ref (page_stencil);
+ for (SCM pages = pages_; scm_is_pair (pages); pages = scm_cdr (pages))
+ scm_call_1 (page_stencil, scm_car (pages));
+
+ // Perform any user-supplied post-processing.
+ SCM post_process = paper_->c_variable ("page-post-process");
+ if (ly_is_procedure (post_process))
+ scm_call_2 (post_process, paper_->self_scm (), pages_);
/* set systems_ from the pages */
- if (systems_ == SCM_BOOL_F)
- {
- systems_ = SCM_EOL;
- for (SCM p = pages_; scm_is_pair (p); p = scm_cdr (p))
- {
- Prob *page = unsmob_prob (scm_car (p));
- SCM systems = page->get_property ("lines");
- systems_ = scm_append (scm_list_2 (systems_, systems));
- }
- }
+ if (scm_is_false (systems_))
+ {
+ systems_ = SCM_EOL;
+ for (SCM p = pages_; scm_is_pair (p); p = scm_cdr (p))
+ {
+ Prob *page = unsmob<Prob> (scm_car (p));
+ SCM systems = page->get_property ("lines");
+ systems_ = scm_cons (systems, systems_);
+ }
+ systems_ = scm_append (scm_reverse_x (systems_, SCM_EOL));
+ }
}
return pages_;
}