(c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
-#include <stdio.h>
-
+#include "ly-module.hh"
#include "main.hh"
+#include "page.hh"
#include "paper-book.hh"
+#include "output-def.hh"
+#include "paper-outputter.hh"
+#include "paper-line.hh"
#include "paper-score.hh"
-#include "paper-def.hh"
#include "stencil.hh"
-#include "paper-outputter.hh"
-
-// WIP -- simplistic page interface
-// Do we need this at all? SCM, smob?
-class Page
-{
-public:
- Paper_def *paper_;
+#include "warn.hh"
- SCM lines_;
- Stencil *header_;
- Stencil *footer_;
- /* actual height filled with text. */
- Real height_;
+/*
+ Ugh. the Function of the Paper_book class is unclear. Trim this
+ file.
- //HMMM all this size stuff to paper/paper-outputter?
- Real hsize_;
- Real vsize_;
- Real foot_sep_;
- Real head_sep_;
+ */
- /* available area for text. */
- Real text_height ();
+// JUNKME
+SCM
+stencil2line (Stencil stil, bool is_title = false)
+{
+ static SCM z;
+ if (!z)
+ z = scm_permanent_object (ly_offset2scm (Offset (0, 0)));
+ Offset dim = Offset (stil.extent (X_AXIS).length (),
+ stil.extent (Y_AXIS).length ());
+ Paper_line *pl = new Paper_line (dim, scm_cons (stil.smobbed_copy (),
+ SCM_EOL),
+ -10001 * is_title, is_title);
- Page (Paper_def*);
- void output (Paper_outputter*, bool);
-};
+ return scm_gc_unprotect_object (pl->self_scm ());
+}
-Page::Page (Paper_def *paper)
+
+Paper_book::Paper_book ()
{
- paper_ = paper;
- height_ = 0;
- header_ = 0;
- footer_ = 0;
+ pages_ = SCM_EOL;
lines_ = SCM_EOL;
+ copyright_ = SCM_EOL;
+ tagline_ = SCM_EOL;
+ header_ = 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"));
+ bookpaper_ = 0;
+ smobify_self ();
}
-void
-Page::output (Paper_outputter *out, bool is_last)
+Paper_book::~Paper_book ()
{
-#if ONE_SCORE_PER_PAGE
- int line_count = SCM_VECTOR_LENGTH ((SCM) lines_);
- for (int i = 0; i < line_count; i++)
- out->output_line (scm_vector_ref (lines_, scm_int2num (i)),
- is_last && i == line_count - 1);
-#else
- // 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)));
-#endif
}
-Real
-Page::text_height ()
+#include "ly-smobs.icc"
+
+IMPLEMENT_DEFAULT_EQUAL_P (Paper_book);
+IMPLEMENT_SMOBS (Paper_book)
+IMPLEMENT_TYPE_P (Paper_book, "ly:paper-book?")
+
+SCM
+Paper_book::mark_smob (SCM smob)
{
- 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;
+ Paper_book *b = (Paper_book*) SCM_CELL_WORD_1 (smob);
+ for (int i = 0; i < b->score_lines_.size (); i++)
+ b->score_lines_[i].gc_mark ();
+
+ scm_gc_mark (b->copyright_);
+ if (b->bookpaper_)
+ scm_gc_mark (b->bookpaper_->self_scm ());
+ scm_gc_mark (b->header_);
+ scm_gc_mark (b->pages_);
+ scm_gc_mark (b->lines_);
+ return b->tagline_;
}
+int
+Paper_book::print_smob (SCM smob, SCM port, scm_print_state*)
+{
+ 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;
+}
+
+Array<String>
+split_string (String s, char c)
+{
+ Array<String> rv;
+ while (s.length ())
+ {
+ int i = s.index (c);
+
+ if (i == 0)
+ {
+ s = s.nomid_string (0, 1);
+ continue;
+ }
+
+ if (i < 0)
+ i = s.length () ;
+
+ rv.push (s.cut_string (0, i));
+ s = s.nomid_string (0, i);
+ }
-Paper_book *paper_book;
+ return rv;
+}
-Paper_book::Paper_book ()
+SCM
+dump_fields ()
{
+ 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;
}
+/*
+ TODO: there is too much code dup, and the interface is not
+ clear. FIXME.
+ */
void
-Paper_book::output ()
+Paper_book::output (String outname)
{
- Paper_outputter *out = paper_scores_[0]->outputter_;
+ if (!score_lines_.size ())
+ return;
+
+ /* Generate all stencils to trigger font loads. */
+ pages ();
+
+ Array<String> output_formats = split_string (output_format_global, ',');
+
+ for (int i = 0; i < output_formats.size (); i++)
+ {
+ String format = output_formats[i];
+ Paper_outputter *out = get_paper_outputter (outname + "." + output_formats[i], format);
+
+
+
- Paper_def *paper = paper_scores_[0]->paper_;
- out->output_header (paper);
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
- if (paper_scores_[0]->book_title_)
- out->output_expr (paper_scores_[0]->book_title_->get_expr (),
- Offset (0, 0));
+ String func_nm = format;
+ func_nm = "output-framework-" + func_nm;
+
+ SCM func = ly_scheme_function (func_nm.to_str0 ());
+ scm_apply_0 (func, scm_list_n (out->self_scm (),
+ self_scm (),
+ scopes,
+ dump_fields (),
+ scm_makfrom0str (outname.to_str0 ()),
+ SCM_UNDEFINED
+ )) ;
- Link_array<Page> *pages = get_pages ();
- int page_count = pages->size ();
- for (int i = 0; i < page_count; i++)
- (*pages)[i]->output (out, i + 1 == page_count);
+ scm_gc_unprotect_object (out->self_scm ());
+ }
+}
+
+
+void
+Paper_book::classic_output (String outname)
+{
- out->output_scheme (scm_list_1 (ly_symbol2scm ("end-output")));
+ /* Generate all stencils to trigger font loads. */
+ lines ();
+
+
+ // ugh code dup
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+ if (ly_c_module_p (score_lines_[0].header_))
+ scopes = scm_cons (score_lines_[0].header_, scopes);
+ //end ugh
+
+
+ Array<String> output_formats = split_string (output_format_global, ',');
+
+ for (int i = 0; i < output_formats.size (); i++)
+ {
+ String format = output_formats[i];
+ String func_nm = format;
+ func_nm = "output-classic-framework-" + func_nm;
+
+ SCM func = ly_scheme_function (func_nm.to_str0 ());
+
+ Paper_outputter *out = get_paper_outputter (outname + "." + format, format);
+
+ scm_apply_0 (func, scm_list_n (out->self_scm (),
+ self_scm (),
+ scopes,
+ dump_fields (),
+ scm_makfrom0str (outname.to_str0 ()),
+ SCM_UNDEFINED
+ )) ;
+
+ scm_gc_unprotect_object (out->self_scm ());
+ }
+
progress_indication ("\n");
}
+
+
+
+LY_DEFINE(ly_paper_book_pages, "ly:paper-book-pages",
+ 1,0,0,
+ (SCM pb),
+ "Return pages in book PB.")
+{
+ return unsmob_paper_book(pb)->pages ();
+}
+
+
+LY_DEFINE(ly_paper_book_lines, "ly:paper-book-lines",
+ 1,0,0,
+ (SCM pb),
+ "Return lines in book PB.")
+{
+ return unsmob_paper_book (pb)->lines ();
+}
+
+
+LY_DEFINE(ly_paper_book_book_paper, "ly:paper-book-book-paper",
+ 1,0,0,
+ (SCM pb),
+ "Return pages in book PB.")
+{
+ return unsmob_paper_book(pb)->bookpaper_->self_scm ();
+}
+
/*
- WIP -- this simply adds one Page per \score
- FIXME: titling is broken.
-
- 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?
-
+TODO: resurrect more complex user-tweaks for titling .
+
*/
-Link_array<Page>*
-Paper_book::get_pages ()
+Stencil
+Paper_book::book_title ()
+{
+ SCM title_func = bookpaper_->lookup_variable (ly_symbol2scm ("book-title"));
+ Stencil title;
+
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+
+ SCM tit = SCM_EOL;
+ if (ly_c_procedure_p (title_func))
+ tit = scm_call_2 (title_func,
+ bookpaper_->self_scm (),
+ scopes);
+
+ if (unsmob_stencil (tit))
+ title = *unsmob_stencil (tit);
+
+ if (!title.is_empty ())
+ title.align_to (Y_AXIS, UP);
+
+ return title;
+}
+
+
+
+Stencil
+Paper_book::score_title (int i)
{
- Link_array<Page> *pages = new Link_array<Page>;
- Paper_def *paper = paper_scores_[0]->paper_;
- int score_count = paper_scores_.size ();
+ SCM title_func = bookpaper_->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_lines_[i].header_))
+ scopes = scm_cons (score_lines_[i].header_, scopes);
+ //end ugh
+
+ SCM tit = SCM_EOL;
+ if (ly_c_procedure_p (title_func))
+ tit =scm_call_2 (title_func,
+ bookpaper_->self_scm (),
+ scopes);
+
+ if (unsmob_stencil (tit))
+ title = *unsmob_stencil (tit);
+
+
+ if (!title.is_empty ())
+ title.align_to (Y_AXIS, UP);
+
+ return title;
+}
- /* Calculate the full book height. Hmm, can't we cache system
- heights while making stencils? */
- Real book_height = 0;
+
+
+SCM
+Paper_book::lines ()
+{
+ if (ly_c_pair_p (lines_))
+ return lines_;
+
+ Stencil title = book_title ();
+ if (!title.is_empty ())
+ lines_ = scm_cons (stencil2line (title, true), lines_);
+
+ int score_count = score_lines_.size ();
for (int i = 0; i < score_count; i++)
{
- Paper_score *pscore = paper_scores_[i];
- Stencil *title = (i == 0 ? pscore->book_title_ : pscore->score_title_);
- if (title)
- book_height += title->extent (Y_AXIS).length ();
+ Stencil title = score_title (i);
+ if (!title.is_empty ())
+ lines_ = scm_cons (stencil2line (title, true), lines_);
+
+ SCM line_list = scm_vector_to_list (score_lines_[i].lines_); // guh.
+ lines_ = scm_append (scm_list_2 (scm_reverse (line_list), lines_));
+ }
+
+ lines_ = scm_reverse (lines_);
+
+ int i = 0;
+ for (SCM s = lines_; s != SCM_EOL; s = ly_cdr (s))
+ unsmob_paper_line (ly_car (s))->number_ = ++i;
+ return lines_;
+}
+
+
+SCM
+make_tagline (Output_def*paper, SCM scopes)
+{
+ SCM make_tagline = paper->c_variable ("make-tagline");
+ SCM tagline = scm_call_2 (make_tagline, paper->self_scm (), scopes);
+ return tagline;
+}
+
+SCM
+make_copyright (Output_def *paper, SCM scopes)
+{
+ SCM make_copyright = paper->c_variable ("make-copyright");
+ SCM copyright = scm_call_2 (make_copyright, paper->self_scm (), scopes);
+ return copyright;
+}
+
+SCM
+Paper_book::pages ()
+{
+ if (ly_c_pair_p (pages_))
+ return pages_;
+
+ Output_def *paper = bookpaper_;
+ Page *page = new Page (paper, 1);
+
+ Real text_height = page->text_height ();
+
+ Real copy_height = 0;
+ if (Stencil *s = unsmob_stencil (copyright_))
+ copy_height = s->extent (Y_AXIS).length ();
+
+ Real tag_height = 0;
+ if (Stencil *s = unsmob_stencil (tagline_))
+ tag_height = s->extent (Y_AXIS).length ();
+
+ SCM all = lines ();
+ SCM proc = paper->c_variable ("page-breaking");
+ SCM breaks = scm_apply_0 (proc, scm_list_n (all,
+ self_scm (),
+ scm_make_real (text_height),
+ scm_make_real (-copy_height),
+ scm_make_real (-tag_height),
+ SCM_UNDEFINED));
+
+
+ /*
+ UGH - move this out of C++.
+ */
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+ tagline_ = make_tagline (bookpaper_, scopes);
+ copyright_ = make_tagline (bookpaper_, scopes);
+
+ int page_count = SCM_VECTOR_LENGTH ((SCM) breaks);
+ int line = 1;
+
+ for (int i = 0; i < page_count; i++)
+ {
+ if (i)
+ page = new Page (paper, i + 1);
- int line_count = SCM_VECTOR_LENGTH ((SCM) pscore->lines_);
- for (int j = 0; j < line_count; j++)
+ int next = i + 1 < page_count
+ ? ly_scm2int (scm_vector_ref (breaks, scm_int2num (i))) : 0;
+ while ((!next && all != SCM_EOL) || line <= next)
{
- SCM line = scm_vector_ref (pscore->lines_, scm_int2num (j));
- book_height += ly_scm2offset (ly_car (line))[Y_AXIS];
+ SCM s = ly_car (all);
+ page->lines_ = ly_snoc (s, page->lines_);
+ page->height_ += unsmob_paper_line (s)->dim ()[Y_AXIS];
+ page->line_count_++;
+ all = ly_cdr (all);
+ line++;
}
+ if (i == page_count-1)
+ page->is_last_ = true;
+
+ pages_ = scm_cons (page->self_scm (), pages_);
}
- Page *page = new Page (paper);
- fprintf (stderr, "book_height: %f\n", book_height);
- fprintf (stderr, "vsize: %f\n", page->vsize_);
+ pages_ = scm_reverse (pages_);
+ return pages_;
+}
+
-#if ONE_SCORE_PER_PAGE
- for (int i = 0; i < score_count; i++)
+
+static SCM
+c_ragged_page_breaks (SCM lines,
+ Paper_book *book,
+ Real text_height,
+ Real first, Real last)
+{
+ int page_number = 0;
+
+ Real book_height =0.;
+ for (SCM s = lines ; ly_c_pair_p (s); s = ly_cdr (s))
{
- page->lines_ = paper_scores_[i]->lines_;
- pages->push (page);
+ book_height += unsmob_paper_line (ly_car (s))->dim ()[Y_AXIS];
}
-#else
- /* Simplistic page breaking. */
- Real text_height = page->text_height ();
- for (int i = 0; i < score_count; i++)
+
+ /*
+ UGH. following stuff should go out of C++.
+ */
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (book->header_))
+ scopes = scm_cons (book->header_, scopes);
+
+
+ SCM tag = make_tagline (book->bookpaper_, scopes);
+ if (unsmob_stencil (tag))
+ {
+ book_height += unsmob_stencil (tag)->extent (Y_AXIS).length ();
+ }
+
+ SCM cr = make_copyright (book->bookpaper_, scopes);
+ if (unsmob_stencil (cr))
+ {
+ book_height += unsmob_stencil (cr)->extent (Y_AXIS).length ();
+ }
+
+ int page_count = int (book_height / text_height + 0.5); // ceil?
+ SCM breaks = SCM_EOL;
+ Real page_height = text_height + first;
+ Real h = 0;
+ int number = 0;
+ for (SCM s = lines; ly_c_pair_p (s); s = ly_cdr (s))
{
- Paper_score *pscore = paper_scores_[i];
- Stencil *title = (i == 0 ? pscore->book_title_ : pscore->score_title_);
- Real h = 0;
- if (title)
- h = title->extent (Y_AXIS).length ();
-
- int line_count = SCM_VECTOR_LENGTH ((SCM) pscore->lines_);
- for (int j = 0; j < line_count; j++)
+ Paper_line *pl = unsmob_paper_line (ly_car (s));
+ if (!pl->is_title () && h < page_height)
+ number++;
+ h += pl->dim ()[Y_AXIS];
+ if (!pl->is_title () && h > page_height)
{
- SCM line = scm_vector_ref (pscore->lines_, 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;
- }
+ breaks = ly_snoc (scm_int2num (number), breaks);
+ page_number++;
+ page_height = text_height + (page_number == page_count) * last;
+ h = 0;
}
+ if (ly_cdr (s) == SCM_EOL)
+ breaks = ly_snoc (scm_int2num (pl->number_), breaks);
}
-#endif
-
- pages->push (page);
- return pages;
+
+ return scm_vector (breaks);
+}
+
+LY_DEFINE (ly_ragged_page_breaks, "ly:ragged-page-breaks",
+ 5, 0, 0, (SCM lines, SCM book, SCM text, SCM first, SCM last),
+ "Return a vector with line numbers of page breaks.")
+{
+ Paper_book* b = unsmob_paper_book (book);
+
+ SCM_ASSERT_TYPE (scm_pair_p (lines), lines, SCM_ARG1, __FUNCTION__, "list");
+ SCM_ASSERT_TYPE (b, book, SCM_ARG2, __FUNCTION__, "Paper_book");
+ SCM_ASSERT_TYPE (ly_c_number_p (text), text, SCM_ARG3, __FUNCTION__, "number");
+ SCM_ASSERT_TYPE (ly_c_number_p (first), first, SCM_ARG4, __FUNCTION__, "number");
+ SCM_ASSERT_TYPE (ly_c_number_p (last), last, SCM_ARG5, __FUNCTION__, "number");
+
+ return c_ragged_page_breaks (lines, b,
+ ly_scm2double (text),
+ ly_scm2double (first), ly_scm2double (last));
}
+
+/****************************************************************/
+
+Score_lines::Score_lines ()
+{
+ lines_ = SCM_EOL;
+ header_ = SCM_EOL;
+}
+
+void
+Score_lines::gc_mark ()
+{
+ scm_gc_mark (lines_);
+ scm_gc_mark (header_);
+}
+