source file of the GNU LilyPond music typesetter
- (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2004--2005 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include <stdio.h>
+#include "paper-book.hh"
-#include "ly-module.hh"
#include "main.hh"
-#include "paper-book.hh"
-#include "paper-def.hh"
-#include "paper-outputter.hh"
+#include "output-def.hh"
#include "paper-score.hh"
-#include "stencil.hh"
-
-// WIP -- simplistic page interface
-// Do we need this at all? SCM, smob?
-class Page
-{
-public:
- Paper_def *paper_;
+#include "paper-system.hh"
+#include "warn.hh"
- SCM lines_;
- Stencil *header_;
- Stencil *footer_;
+#include "ly-smobs.icc"
- /* actual height filled with text. */
- Real height_;
+Paper_book::Paper_book ()
+{
+ pages_ = SCM_BOOL_F;
+ systems_ = SCM_BOOL_F;
+ header_ = SCM_EOL;
- //HMMM all this size stuff to paper/paper-outputter?
- Real hsize_;
- Real vsize_;
- Real foot_sep_;
- Real head_sep_;
+ paper_ = 0;
+ smobify_self ();
+}
- /* available area for text. */
- Real text_height ();
+Paper_book::~Paper_book ()
+{
+}
- Page (Paper_def*);
- void output (Paper_outputter*, bool);
-};
+IMPLEMENT_DEFAULT_EQUAL_P (Paper_book);
+IMPLEMENT_SMOBS (Paper_book)
+IMPLEMENT_TYPE_P (Paper_book, "ly:paper-book?")
-Page::Page (Paper_def *paper)
+SCM
+Paper_book::mark_smob (SCM smob)
{
- paper_ = paper;
- height_ = 0;
- header_ = 0;
- footer_ = 0;
- lines_ = SCM_EOL;
-
- hsize_ = paper->get_realvar (ly_symbol2scm ("hsize"));
- vsize_ = paper->get_realvar (ly_symbol2scm ("vsize"));
- head_sep_ = 0; //paper->get_realvar (ly_symbol2scm ("head-sep"));
- foot_sep_ = 0; //paper->get_realvar (ly_symbol2scm ("foot-sep"));
+ Paper_book *b = (Paper_book*) SCM_CELL_WORD_1 (smob);
+ for (int i = 0; i < b->score_systems_.size (); i++)
+ b->score_systems_[i].gc_mark ();
+
+ if (b->paper_)
+ scm_gc_mark (b->paper_->self_scm ());
+ scm_gc_mark (b->header_);
+ scm_gc_mark (b->pages_);
+ return b->systems_;
}
-void
-Page::output (Paper_outputter *out, bool is_last)
+int
+Paper_book::print_smob (SCM smob, SCM port, scm_print_state*)
{
- // TODO: header/footer etc
- out->output_scheme (scm_list_1 (ly_symbol2scm ("start-page")));
- for (SCM s = lines_; gh_pair_p (s); s = ly_cdr (s))
- out->output_line (ly_car (s), is_last && gh_pair_p (ly_cdr (s)));
- out->output_scheme (scm_list_2 (ly_symbol2scm ("stop-page"),
- gh_bool2scm (is_last)));
+ Paper_book *b = (Paper_book*) SCM_CELL_WORD_1 (smob);
+
+ scm_puts ("#<", port);
+ scm_puts (classname (b), port);
+ scm_puts (" ", port);
+ scm_puts (">", port);
+ return 1;
}
-Real
-Page::text_height ()
+SCM
+dump_fields ()
{
- Real h = vsize_;
- if (header_)
- h -= header_->extent (Y_AXIS).length () + head_sep_;
- if (footer_)
- h -= footer_->extent (Y_AXIS).length () + foot_sep_;
- return h;
+ SCM fields = SCM_EOL;
+ for (int i = dump_header_fieldnames_global.size (); i--; )
+ fields
+ = scm_cons (ly_symbol2scm (dump_header_fieldnames_global[i].to_str0 ()),
+ fields);
+ return fields;
}
+void
+Paper_book::output (String outname)
+{
+ if (!score_systems_.size ())
+ return;
-Paper_book *paper_book;
+ /* Generate all stencils to trigger font loads. */
+ pages ();
+
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+ String mod_nm = "scm framework-" + output_backend_global;
-Paper_book::Paper_book ()
-{
- protect_ = SCM_EOL;
+ SCM mod = scm_c_resolve_module (mod_nm.to_str0 ());
+ if (make_pages)
+ {
+ SCM func = scm_c_module_lookup (mod, "output-framework");
+
+ func = scm_variable_ref (func);
+ scm_apply_0 (func, scm_list_n (scm_makfrom0str (outname.to_str0 ()),
+ self_scm (),
+ scopes,
+ dump_fields (),
+ SCM_UNDEFINED));
+ }
+
+ if (make_preview)
+ {
+ SCM func = scm_c_module_lookup (mod, "output-preview-framework");
+ func = scm_variable_ref (func);
+ scm_apply_0 (func, scm_list_n (scm_makfrom0str (outname.to_str0 ()),
+ self_scm (),
+ scopes,
+ dump_fields (),
+ SCM_UNDEFINED));
+ }
+ progress_indication ("\n");
}
void
-Paper_book::output (String outname)
+Paper_book::classic_output (String outname)
{
/* Generate all stencils to trigger font loads. */
- Link_array<Page> *pages = get_pages ();
+ systems ();
- Paper_def *paper = papers_[0];
- Paper_outputter *out = paper->get_paper_outputter (outname);
- out->output_metadata (get_scopes (0), paper);
- out->output_header (paper);
+ // ugh code dup
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+ if (ly_c_module_p (score_systems_[0].header_))
+ scopes = scm_cons (score_systems_[0].header_, scopes);
+ //end ugh
+
+ String format = output_backend_global;
+ String mod_nm = "scm framework-" + format;
+
+ SCM mod = scm_c_resolve_module (mod_nm.to_str0 ());
+ SCM func = scm_c_module_lookup (mod, "output-classic-framework");
+
- int page_count = pages->size ();
- for (int i = 0; i < page_count; i++)
- (*pages)[i]->output (out, i + 1 == page_count);
+ func = scm_variable_ref (func);
+ scm_apply_0 (func, scm_list_n (scm_makfrom0str (outname.to_str0 ()),
+ self_scm (),
+ scopes,
+ dump_fields (),
+ SCM_UNDEFINED));
- out->output_scheme (scm_list_1 (ly_symbol2scm ("end-output")));
progress_indication ("\n");
}
-SCM
-Paper_book::get_scopes (int i)
+
+/* TODO: resurrect more complex user-tweaks for titling? */
+Stencil
+Paper_book::book_title ()
{
+ SCM title_func = paper_->lookup_variable (ly_symbol2scm ("book-title"));
+ Stencil title;
+
SCM scopes = SCM_EOL;
- if (headers_[i])
- scopes = scm_cons (headers_[i], scopes);
- if (global_headers_[i] && global_headers_[i] != headers_[i])
- scopes = scm_cons (global_headers_[i], scopes);
- return scopes;
-}
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
-Stencil*
-Paper_book::get_title (int i)
-{
- SCM make_title = scm_primitive_eval (ly_symbol2scm ("make-title"));
- SCM field = (i == 0 ? ly_symbol2scm ("bookTitle")
- : ly_symbol2scm ("scoreTitle"));
+
+ SCM tit = SCM_EOL;
+ if (ly_c_procedure_p (title_func))
+ tit = scm_call_2 (title_func,
+ paper_->self_scm (),
+ scopes);
- SCM s = ly_modules_lookup (get_scopes (i), field);
- if (s != SCM_UNDEFINED && scm_variable_bound_p (s) == SCM_BOOL_T)
- {
- Stencil *title = unsmob_stencil (gh_call2 (make_title,
- papers_[0]->self_scm (),
- scm_variable_ref (s)));
-
- /* match systems, which are also aligned to center */
- //(ly:stencil-align-to! header-stencil Y CENTER)
- title->align_to (Y_AXIS, CENTER);
- return title;
- }
+ if (unsmob_stencil (tit))
+ title = *unsmob_stencil (tit);
+
+ if (!title.is_empty ())
+ title.align_to (Y_AXIS, UP);
- return 0;
+ return title;
}
-/*
- WIP
+Stencil
+Paper_book::score_title (int i)
+{
+ SCM title_func = paper_->lookup_variable (ly_symbol2scm ("score-title"));
+
+ Stencil title;
+
+ // ugh code dup
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+ if (ly_c_module_p (score_systems_[i].header_))
+ scopes = scm_cons (score_systems_[i].header_, scopes);
+ //end ugh
+
+ SCM tit = SCM_EOL;
+ if (ly_c_procedure_p (title_func))
+ tit = scm_call_2 (title_func,
+ paper_->self_scm (),
+ scopes);
- FIXME: titling is broken.
+ if (unsmob_stencil (tit))
+ title = *unsmob_stencil (tit);
+
+ if (!title.is_empty ())
+ title.align_to (Y_AXIS, UP);
- TODO:
- * ->SCM?
- * decent page breaking algorithm
- * header / footer (generate per Page, with page#)
- * override: # pages, or pageBreakLines= #'(3 3 4), ?
- * what about between-system-breaking, can we junk that?
-
-*/
-Link_array<Page>*
-Paper_book::get_pages ()
-{
- Link_array<Page> *pages = new Link_array<Page>;
- int score_count = scores_.size ();
+ return title;
+}
- /* Calculate the full book height. Hmm, can't we cache system
- heights while making stencils? */
- Real book_height = 0;
- for (int i = 0; i < score_count; i++)
+void
+set_system_penalty (Paper_system * ps, SCM header)
+{
+ if (ly_c_module_p (header))
{
- Stencil *title = get_title (i);
- if (title)
- book_height += title->extent (Y_AXIS).length ();
-
- int line_count = SCM_VECTOR_LENGTH ((SCM) scores_[i]);
- for (int j = 0; j < line_count; j++)
+ SCM force = ly_module_lookup (header, ly_symbol2scm ("breakbefore"));
+ if (SCM_VARIABLEP(force)
+ && scm_is_bool (SCM_VARIABLE_REF(force)))
{
- SCM line = scm_vector_ref ((SCM) scores_[i], scm_int2num (j));
- book_height += ly_scm2offset (ly_car (line))[Y_AXIS];
+ ps->break_before_penalty_ = to_boolean (SCM_VARIABLE_REF(force))
+ ? -10000
+ : 10000;
}
}
+}
+
+SCM
+Paper_book::systems ()
+{
+ if (systems_ != SCM_BOOL_F)
+ return systems_;
- Paper_def *paper = papers_[0];
- Page *page = new Page (paper);
- fprintf (stderr, "book_height: %f\n", book_height);
- fprintf (stderr, "vsize: %f\n", page->vsize_);
- fprintf (stderr, "pages: %f\n", book_height / page->text_height ());
+ systems_ = SCM_EOL;
+ Stencil title = book_title ();
- /* Simplistic page breaking. */
- Real text_height = page->text_height ();
+ if (!title.is_empty ())
+ {
+ Paper_system *ps = new Paper_system (title, true);
+ set_system_penalty (ps, header_);
+
+ systems_ = scm_cons (ps->self_scm (), systems_);
+ scm_gc_unprotect_object (ps->self_scm ());
+ }
+
+ int score_count = score_systems_.size ();
for (int i = 0; i < score_count; i++)
{
- Stencil *title = get_title (i);
- if (title)
- book_height += title->extent (Y_AXIS).length ();
- Real h = 0;
- if (title)
- h = title->extent (Y_AXIS).length ();
-
- int line_count = SCM_VECTOR_LENGTH ((SCM) scores_[i]);
- for (int j = 0; j < line_count; j++)
+ Stencil title = score_title (i);
+ if (!title.is_empty ())
+ {
+ Paper_system *ps = new Paper_system (title, true);
+ systems_ = scm_cons (ps->self_scm (), systems_);
+ scm_gc_unprotect_object (ps->self_scm ());
+
+ set_system_penalty (ps, score_systems_[i].header_);
+
+ }
+
+ if (scm_vector_p (score_systems_[i].systems_) == SCM_BOOL_T)
{
- SCM line = scm_vector_ref ((SCM) scores_[i], scm_int2num (j));
- h += ly_scm2offset (ly_car (line))[Y_AXIS];
- if (page->height_ + h > text_height)
- {
- pages->push (page);
- page = new Page (paper);
- }
- if (page->height_ + h <= text_height || page->height_ == 0)
- {
- if (j == 0 && title)
- page->lines_
- = ly_snoc (scm_cons (ly_offset2scm (Offset (0, 0)),
- scm_list_1
- (scm_cons
- (ly_offset2scm (Offset (0, 0)),
- title->smobbed_copy ()))),
- page->lines_);
- page->lines_ = ly_snoc (line, page->lines_);
- page->height_ += h;
- h = 0;
- }
+ // guh.
+ SCM system_list = scm_vector_to_list (score_systems_[i].systems_);
+
+ system_list = scm_reverse (system_list);
+ systems_ = scm_append (scm_list_2 (system_list, systems_));
}
}
- pages->push (page);
- return pages;
+ systems_ = scm_reverse (systems_);
+
+ int i = 0;
+ Paper_system *last = 0;
+ for (SCM s = systems_; s != SCM_EOL; s = scm_cdr (s))
+ {
+ Paper_system *ps = unsmob_paper_system (scm_car (s));
+ ps->number_ = ++i;
+
+ if (last
+ && last->is_title ()
+ && !ps->break_before_penalty_)
+ ps->break_before_penalty_ = 10000;
+ last = ps;
+ }
+
+ return systems_;
}
-void
-Paper_book::classic_output (String outname)
+SCM
+Paper_book::pages ()
{
- Paper_outputter *out = papers_.top ()->get_paper_outputter (outname);
- int count = scores_.size ();
-
- out->output_metadata (get_scopes (count - 1), papers_.top ());
- out->output_header (papers_.top ());
+ if (SCM_BOOL_F != pages_)
+ return pages_;
- int line_count = SCM_VECTOR_LENGTH ((SCM) scores_.top ());
- for (int i = 0; i < line_count; i++)
- out->output_line (scm_vector_ref ((SCM) scores_.top (), scm_int2num (i)),
- i == line_count - 1);
-
- out->output_scheme (scm_list_1 (ly_symbol2scm ("end-output")));
- progress_indication ("\n");
+ pages_ = SCM_EOL;
+ SCM proc = paper_->c_variable ("page-breaking");
+ pages_ = scm_apply_0 (proc, scm_list_2 (systems (), self_scm ()));
+ return pages_;
}
-#include "ly-smobs.icc"
-
-IMPLEMENT_DEFAULT_EQUAL_P (Paper_book);
-IMPLEMENT_SIMPLE_SMOBS (Paper_book)
-IMPLEMENT_TYPE_P (Paper_book, "ly:paper_book?")
+/****************************************************************/
-SCM
-Paper_book::mark_smob (SCM)
+Score_systems::Score_systems ()
{
- return SCM_EOL;
+ systems_ = SCM_EOL;
+ header_ = SCM_EOL;
}
-int
-Paper_book::print_smob (SCM smob, SCM port, scm_print_state*)
+void
+Score_systems::gc_mark ()
{
- Paper_book *b = (Paper_book*) ly_cdr (smob);
-
- scm_puts ("#<", port);
- scm_puts (classname (b), port);
- scm_puts (" ", port);
- //scm_puts (b->, port);
- scm_puts (">", port);
- return 1;
+ scm_gc_mark (systems_);
+ scm_gc_mark (header_);
}
-SCM
-Paper_book::smobbed_copy () const
-{
- Paper_book *b = new Paper_book (*this);
- return b->smobbed_self ();
-}
projects / lilypond.git / blobdiff