(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 "paper-def.hh"
+#include "output-def.hh"
#include "paper-outputter.hh"
+#include "paper-line.hh"
#include "paper-score.hh"
#include "stencil.hh"
+#include "warn.hh"
-static SCM
-stencil2line (Stencil* stil)
+
+// JUNKME
+SCM
+stencil2line (Stencil stil, bool is_title = false)
{
- static SCM z = ly_offset2scm (Offset (0, 0));
- Offset dim = Offset (stil->extent (X_AXIS).length (),
- stil->extent (Y_AXIS).length ());
- return scm_cons (ly_offset2scm (dim),
- scm_list_1 (scm_cons (z, stil->smobbed_copy ())));
+ 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);
+
+ return scm_gc_unprotect_object (pl->self_scm ());
}
-static SCM
-height2line (Real h)
+
+Paper_book::Paper_book ()
{
- static SCM z = ly_offset2scm (Offset (0, 0));
- return scm_cons (ly_offset2scm (Offset (0, h)),
- scm_list_1 (scm_cons (z, SCM_EOL)));
+ pages_ = SCM_EOL;
+ lines_ = SCM_EOL;
+ copyright_ = SCM_EOL;
+ tagline_ = SCM_EOL;
+ header_ = SCM_EOL;
+
+ bookpaper_ = 0;
+ smobify_self ();
}
-// WIP -- simplistic page interface
-// Do we need this at all? SCM, smob?
-class Page
+Paper_book::~Paper_book ()
{
-public:
- Paper_def *paper_;
- int number_;
+}
- SCM lines_;
- SCM protect_;
- Stencil *header_;
- Stencil *footer_;
+#include "ly-smobs.icc"
- /* actual height filled with text. */
- Real height_;
-
- //HMMM all this size stuff to paper/paper-outputter?
- Real hsize_;
- Real vsize_;
- Real top_margin_;
- Real bottom_margin_;
- Real foot_sep_;
- Real head_sep_;
-
- /* available area for text. */
- Real text_height ();
-
- Page (Paper_def*, int);
- void output (Paper_outputter*, bool);
-};
-
-Page::Page (Paper_def *paper, int number)
+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)
{
- paper_ = paper;
- number_ = number;
- height_ = 0;
- lines_ = SCM_EOL;
-
- hsize_ = paper->get_realvar (ly_symbol2scm ("hsize"));
- vsize_ = paper->get_realvar (ly_symbol2scm ("vsize"));
- top_margin_ = paper->get_realvar (ly_symbol2scm ("top-margin"));
- bottom_margin_ = paper->get_realvar (ly_symbol2scm ("bottom-margin"));
- head_sep_ = paper->get_realvar (ly_symbol2scm ("head-sep"));
- foot_sep_ = paper->get_realvar (ly_symbol2scm ("foot-sep"));
-
- SCM make_header = scm_primitive_eval (ly_symbol2scm ("make-header"));
- SCM make_footer = scm_primitive_eval (ly_symbol2scm ("make-footer"));
-
- header_ = unsmob_stencil (scm_call_2 (make_header, paper_->smobbed_copy (),
- scm_int2num (number_)));
- protect_ = SCM_EOL;
- // ugh, how to protect a Stencil from the outside?
- protect_ = scm_cons (header_->get_expr (), protect_);
- if (header_)
- header_->align_to (Y_AXIS, UP);
-
- // FIXME: tagline/copyright
- footer_ = unsmob_stencil (scm_call_2 (make_footer, paper_->smobbed_copy (),
- scm_int2num (number_)));
- // ugh, how to protect a Stencil from the outside?
- protect_ = scm_cons (footer_->get_expr (), protect_);
- if (footer_)
- footer_->align_to (Y_AXIS, UP);
+ 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_;
}
-void
-Page::output (Paper_outputter *out, bool is_last)
+int
+Paper_book::print_smob (SCM smob, SCM port, scm_print_state*)
{
- if (header_)
- {
- out->output_line (stencil2line (header_), false);
- out->output_line (height2line (head_sep_), false);
- }
- 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 && !footer_)));
- if (footer_)
- {
- out->output_line (height2line (foot_sep_), false);
- out->output_line (stencil2line (footer_), is_last);
- }
+ 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;
}
-Real
-Page::text_height ()
+Array<String>
+split_string (String s, char c)
{
- Real h = vsize_ - top_margin_ - bottom_margin_;
- if (header_)
- h -= header_->extent (Y_AXIS).length () + head_sep_;
- if (footer_)
- h -= footer_->extent (Y_AXIS).length () + foot_sep_;
- return h;
-}
+ 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);
+ }
-/* Current global paper book. Gives default_rendering access from
- input-file-results. */
-Paper_book *paper_book;
+ return rv;
+}
-Paper_book::Paper_book ()
+SCM
+dump_fields ()
{
- smobify_self ();
+ 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;
}
-Paper_book::~Paper_book ()
+/*
+ TODO: there is too much code dup, and the interface is not
+ clear. FIXME.
+ */
+void
+Paper_book::output (String outname)
{
+ if (!score_lines_.size ())
+ // FIXME: no end-output?
+ 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);
+
+
+
+
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+ String func_nm = output_format_global;
+ 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
+ )) ;
+
+ scm_gc_unprotect_object (out->self_scm ());
+ }
}
+
void
-Paper_book::output (String outname)
+Paper_book::classic_output (String outname)
{
+ String format = "tex";
+ Paper_outputter *out = get_paper_outputter (outname + "." + format, format);
+
/* Generate all stencils to trigger font loads. */
- Link_array<Page> *pages = get_pages ();
+ lines ();
- Paper_def *paper = papers_[0];
- Paper_outputter *out = paper->get_paper_outputter (outname);
- out->output_metadata (get_scopes (0), paper);
- out->output_header (paper);
- int page_count = pages->size ();
- for (int i = 0; i < page_count; i++)
- (*pages)[i]->output (out, i + 1 == page_count);
+ // 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
+
+ String func_nm = output_format_global;
+ func_nm = "output-classic-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
+ )) ;
- out->output_scheme (scm_list_1 (ly_symbol2scm ("end-output")));
progress_indication ("\n");
}
-SCM
-Paper_book::get_scopes (int i)
+
+
+
+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 ();
+}
+
+/*
+
+TODO: resurrect more complex user-tweaks for titling .
+
+*/
+Stencil
+Paper_book::book_title ()
{
+ SCM title_func = bookpaper_->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);
+
+
+ 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::get_title (int i)
+
+
+Stencil
+Paper_book::score_title (int i)
{
- SCM user_title = scm_primitive_eval (ly_symbol2scm ("user-title"));
- SCM book_title = scm_primitive_eval (ly_symbol2scm ("book-title"));
- SCM score_title = scm_primitive_eval (ly_symbol2scm ("score-title"));
- SCM field = (i == 0 ? ly_symbol2scm ("bookTitle")
- : ly_symbol2scm ("scoreTitle"));
-
- Stencil *title = 0;
- SCM scopes = get_scopes (i);
- SCM s = ly_modules_lookup (scopes, field);
- if (s != SCM_UNDEFINED && scm_variable_bound_p (s) == SCM_BOOL_T)
- title = unsmob_stencil (scm_call_2 (user_title,
- papers_[0]->self_scm (),
- scm_variable_ref (s)));
- else
- title = unsmob_stencil (scm_call_2 (i == 0 ? book_title : score_title,
- papers_[0]->self_scm (),
- scopes));
- if (title)
- title->align_to (Y_AXIS, UP);
+ 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;
}
-/* TODO:
- - decent page breaking algorithm
- - top/bottom & inter-line filling
- - footer: tagline/copyright
- - override: # pages, or pageBreakLines= #'(3 3 4), ? */
-Link_array<Page>*
-Paper_book::get_pages ()
+
+
+
+/* calculate book height, #lines, stencils. */
+void
+Paper_book::init ()
{
- Link_array<Page> *pages = new Link_array<Page>;
- int score_count = scores_.size ();
+ int score_count = score_lines_.size ();
/* Calculate the full book height. Hmm, can't we cache system
heights while making stencils? */
- Real book_height = 0;
+ height_ = 0;
+ Stencil btitle = book_title ();
+ if (!btitle.is_empty ())
+ height_ += btitle.extent (Y_AXIS).length ();
+
for (int i = 0; i < score_count; i++)
{
- Stencil *title = get_title (i);
- if (title)
- book_height += title->extent (Y_AXIS).length ();
+ Stencil title = score_title (i);
+ if (!title.is_empty ())
+ height_ += title.extent (Y_AXIS).length ();
- int line_count = SCM_VECTOR_LENGTH ((SCM) scores_[i]);
+ int line_count = SCM_VECTOR_LENGTH (score_lines_[i].lines_);
for (int j = 0; j < line_count; j++)
{
- SCM line = scm_vector_ref ((SCM) scores_[i], scm_int2num (j));
- book_height += ly_scm2offset (ly_car (line))[Y_AXIS];
+ SCM s = scm_vector_ref ((SCM) score_lines_[i].lines_, scm_int2num (j));
+ height_ += unsmob_paper_line (s)->dim ()[Y_AXIS];
}
}
- Paper_def *paper = papers_[0];
- int page_number = 1;
- Page *page = new Page (paper, page_number++);
- 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 ());
+ Output_def *paper = bookpaper_;
+
+ SCM scopes = SCM_EOL;
+ if (ly_c_module_p (header_))
+ scopes = scm_cons (header_, scopes);
+
+ SCM make_tagline = paper->c_variable ("make-tagline");
+ tagline_ = scm_call_2 (make_tagline, paper->self_scm (), scopes);
+ Real tag_height = 0;
+ if (Stencil *s = unsmob_stencil (tagline_))
+ tag_height = s->extent (Y_AXIS).length ();
+ height_ += tag_height;
+
+ SCM make_copyright = paper->c_variable ("make-copyright");
+ copyright_ = scm_call_2 (make_copyright, paper->self_scm (), scopes);
+ Real copy_height = 0;
+ if (Stencil *s = unsmob_stencil (copyright_))
+ copy_height = s->extent (Y_AXIS).length ();
+ height_ += copy_height;
+}
- /* Simplistic page breaking. */
- Real text_height = page->text_height ();
+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++)
{
- 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++)
- {
- 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, page_number++);
- }
- if (page->height_ + h <= text_height || page->height_ == 0)
- {
- if (j == 0 && title)
- page->lines_ = ly_snoc (stencil2line (title), page->lines_);
- page->lines_ = ly_snoc (line, page->lines_);
- page->height_ += h;
- h = 0;
- }
- }
+ 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_));
}
- pages->push (page);
- return pages;
+ 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_;
}
-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 (ly_c_pair_p (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");
+ init ();
+ 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, scm_make_real (height_),
+ scm_make_real (text_height),
+ scm_make_real (-copy_height),
+ scm_make_real (-tag_height),
+ SCM_UNDEFINED));
+
+ /* Copyright on first page. */
+ if (unsmob_stencil (copyright_))
+ page->copyright_ = copyright_;
+
+ 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 next = i + 1 < page_count
+ ? ly_scm2int (scm_vector_ref (breaks, scm_int2num (i))) : 0;
+ while ((!next && all != SCM_EOL) || line <= next)
+ {
+ 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_);
+ }
+
+ /* Tagline on last page. */
+ if (unsmob_stencil (tagline_))
+ page->tagline_ = tagline_;
+
+ pages_ = scm_reverse (pages_);
+ return pages_;
}
+static SCM
+c_ragged_page_breaks (SCM lines, Real book_height, Real text_height,
+ Real first, Real last)
+{
+ int page_number = 0;
+ int page_count = int (book_height / text_height + 0.5);
+ SCM breaks = SCM_EOL;
+ Real page_height = text_height + first;
+ Real h = 0;
+ int number = 0;
+ for (SCM s = lines; s != SCM_EOL; s = ly_cdr (s))
+ {
+ 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)
+ {
+ 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);
+ }
-#include "ly-smobs.icc"
+ return scm_vector (breaks);
+}
-IMPLEMENT_DEFAULT_EQUAL_P (Paper_book);
-IMPLEMENT_SMOBS (Paper_book)
-IMPLEMENT_TYPE_P (Paper_book, "ly:paper-book?")
+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.")
+{
+ SCM_ASSERT_TYPE (scm_pair_p (lines), lines, SCM_ARG1, __FUNCTION__, "list");
+ SCM_ASSERT_TYPE (ly_c_number_p (book), book, SCM_ARG2, __FUNCTION__, "real");
+ SCM_ASSERT_TYPE (ly_c_number_p (text), text, SCM_ARG2, __FUNCTION__, "real");
+ SCM_ASSERT_TYPE (ly_c_number_p (first), first, SCM_ARG2, __FUNCTION__, "real");
+ SCM_ASSERT_TYPE (ly_c_number_p (last), last, SCM_ARG2, __FUNCTION__, "real");
+
+ return c_ragged_page_breaks (lines,
+ ly_scm2double (book), ly_scm2double (text),
+ ly_scm2double (first), ly_scm2double (last));
+}
-SCM
-Paper_book::mark_smob (SCM smob)
+/****************************************************************/
+
+Score_lines::Score_lines ()
{
- Paper_book *pb = (Paper_book*) SCM_CELL_WORD_1 (smob);
- for (int i = 0; i < pb->headers_.size (); i++)
- scm_gc_mark (pb->headers_[i]);
- for (int i = 0; i < pb->global_headers_.size (); i++)
- scm_gc_mark (pb->global_headers_[i]);
- for (int i = 0; i < pb->papers_.size (); i++)
- scm_gc_mark (pb->papers_[i]->self_scm ());
- for (int i = 0; i < pb->scores_.size (); i++)
- scm_gc_mark (pb->scores_[i]);
- return SCM_EOL;
+ lines_ = SCM_EOL;
+ header_ = SCM_EOL;
}
-int
-Paper_book::print_smob (SCM smob, SCM port, scm_print_state*)
+void
+Score_lines::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 (lines_);
+ scm_gc_mark (header_);
}
projects / lilypond.git / blobdiff