(c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
*/
+#include <stdio.h>
+
+#include "ly-module.hh"
#include "main.hh"
#include "paper-book.hh"
-#include "paper-score.hh"
#include "paper-def.hh"
-#include "stencil.hh"
#include "paper-outputter.hh"
+#include "paper-score.hh"
+#include "stencil.hh"
+
+static SCM
+stencil2line (Stencil* stil)
+{
+ 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 ())));
+}
// WIP -- simplistic page interface
// Do we need this at all? SCM, smob?
{
public:
Paper_def *paper_;
+ static int page_count_;
+ int number_;
+ int line_count_;
+
+ Protected_scm lines_;
+ Protected_scm header_;
+ Protected_scm footer_;
+
+ Stencil *get_header () { return unsmob_stencil (header_); }
+ Stencil *get_footer () { return unsmob_stencil (footer_); }
- SCM lines_;
+ /* actual height filled with text. */
+ Real height_;
+
+ // HMMM all this size stuff to paper/paper-outputter?
Real hsize_;
Real vsize_;
+ Real left_margin_;
+ Real top_margin_;
+ Real bottom_margin_;
+ Real foot_sep_;
+ Real head_sep_;
+ Real text_width_;
+
+ /* available area for text. */
+ Real text_height ();
- Page (Paper_def*);
+ Page (Paper_def*, int);
void output (Paper_outputter*, bool);
};
-Page::Page (Paper_def *paper)
+int Page::page_count_ = 0;
+
+Page::Page (Paper_def *paper, int number)
{
paper_ = paper;
+ number_ = number;
+ page_count_++;
+
+ height_ = 0;
+ lines_ = SCM_EOL;
+ line_count_ = 0;
+
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"));
+ text_width_ = paper->get_realvar (ly_symbol2scm ("linewidth"));
+ left_margin_ = (hsize_ - text_width_) / 2;
+
+ SCM make_header = scm_primitive_eval (ly_symbol2scm ("make-header"));
+ SCM make_footer = scm_primitive_eval (ly_symbol2scm ("make-footer"));
+
+ header_ = scm_call_2 (make_header, paper_->smobbed_copy (),
+ scm_int2num (number_));
+ if (get_header ())
+ get_header ()->align_to (Y_AXIS, UP);
+
+ // FIXME: tagline/copyright
+ footer_ = scm_call_2 (make_footer, paper_->smobbed_copy (),
+ scm_int2num (number_));
+
+ if (get_footer ())
+ get_footer ()->align_to (Y_AXIS, UP);
}
void
Page::output (Paper_outputter *out, bool is_last)
{
- 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);
+ Offset o (left_margin_, top_margin_);
+ Real vfill = line_count_ > 1 ? (text_height () - height_) / (line_count_ - 1)
+ : 0;
+ out->output_scheme (scm_list_1 (ly_symbol2scm ("start-page")));
+ if (get_header ())
+ out->output_line (stencil2line (get_header ()), &o, false);
+ for (SCM s = lines_; gh_pair_p (s); s = ly_cdr (s))
+ {
+ out->output_line (ly_car (s), &o, is_last && gh_pair_p (ly_cdr (s)));
+ if (gh_pair_p (ly_cdr (s)))
+ o[Y_AXIS] += vfill;
+ }
+ if (get_footer ())
+ out->output_line (stencil2line (get_footer ()), &o, is_last);
+ out->output_scheme (scm_list_2 (ly_symbol2scm ("stop-page"),
+ gh_bool2scm (is_last && !get_footer ())));
}
+Real
+Page::text_height ()
+{
+ Real h = vsize_ - top_margin_ - bottom_margin_;
+ if (get_header ())
+ h -= get_header ()->extent (Y_AXIS).length () + head_sep_;
+ if (get_footer ())
+ h -= get_footer ()->extent (Y_AXIS).length () + foot_sep_;
+ return h;
+}
+/****************************************************************/
+
+/* Current global paper book. Gives default_rendering access from
+ input-file-results. */
Paper_book *paper_book;
Paper_book::Paper_book ()
+{
+ smobify_self ();
+}
+
+Paper_book::~Paper_book ()
{
}
void
-Paper_book::output ()
+Paper_book::output (String outname)
{
- Paper_outputter *out = paper_scores_[0]->outputter_;
-
- Paper_def *paper = paper_scores_[0]->paper_;
+ /* Generate all stencils to trigger font loads. */
+ Link_array<Page> *pages = get_pages ();
+
+ Paper_def *paper = papers_[0];
+ Paper_outputter *out = paper->get_paper_outputter (outname);
+ out->output_metadata (get_scopes (0), paper);
out->output_header (paper);
-
- if (paper_scores_[0]->book_title_)
- out->output_expr (paper_scores_[0]->book_title_->get_expr (),
- Offset (0, 0));
- 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);
progress_indication ("\n");
}
-/*
- WIP -- this simply adds one Page per \score
- TODO:
- * get dimensions
- * title: bookTitle vs scoreTitle
- * start-page / stop-page in output-* interface
- * some page breaking algorithm
- * header / footer (generate per Page, with page#)
- * override: # pages, or pageBreakLines= #'(3 3 4), ?
-*/
+SCM
+Paper_book::get_scopes (int i)
+{
+ 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;
+}
+
+Stencil*
+Paper_book::get_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);
+
+ 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 ()
{
Link_array<Page> *pages = new Link_array<Page>;
- Paper_def *paper = paper_scores_[0]->paper_;
- int score_count = paper_scores_.size ();
+ int score_count = scores_.size ();
+
+ /* 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++)
{
- Page *page = new Page (paper);
- page->lines_ = paper_scores_[i]->lines_;
- pages->push (page);
+ 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 line = scm_vector_ref ((SCM) scores_[i], scm_int2num (j));
+ book_height += ly_scm2offset (ly_car (line))[Y_AXIS];
+ }
}
- //if (paper_scores_[0]->book_title_)
- // title = paper_scores_[0]->book_title_->extent (Y_AXIS).length ();
+ Paper_def *paper = papers_[0];
+ Page::page_count_ = 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 ());
+ /* Simplistic page breaking. */
+ Real text_height = page->text_height ();
+ 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->line_count_++;
+ page->height_ += h;
+ h = 0;
+ }
+ }
+ }
+
+ pages->push (page);
return pages;
}
+
+void
+Paper_book::classic_output (String outname)
+{
+ 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 ());
+
+ 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)),
+ 0, i == line_count - 1);
+
+ out->output_scheme (scm_list_1 (ly_symbol2scm ("end-output")));
+ progress_indication ("\n");
+}
+
+
+#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)
+{
+ 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;
+}
+
+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;
+}
+
projects / lilypond.git / blobdiff