#include "warn.hh"
+/*
+ Ugh. the Function of the Paper_book class is unclear. Trim this
+ file.
+
+ */
+
// JUNKME
SCM
stencil2line (Stencil stil, bool is_title = false)
Paper_book::output (String outname)
{
if (!score_lines_.size ())
- // FIXME: no end-output?
return;
/* Generate all stencils to trigger font loads. */
-
-/* calculate book height, #lines, stencils. */
-void
-Paper_book::init ()
-{
- int score_count = score_lines_.size ();
-
- /* Calculate the full book height. Hmm, can't we cache system
- heights while making stencils? */
- 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 = score_title (i);
- if (!title.is_empty ())
- height_ += title.extent (Y_AXIS).length ();
-
- int line_count = SCM_VECTOR_LENGTH (score_lines_[i].lines_);
- for (int j = 0; j < line_count; j++)
- {
- SCM s = scm_vector_ref ((SCM) score_lines_[i].lines_, scm_int2num (j));
- height_ += unsmob_paper_line (s)->dim ()[Y_AXIS];
- }
- }
-
- 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;
-}
-
SCM
Paper_book::lines ()
{
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_;
- init ();
Output_def *paper = bookpaper_;
Page *page = new Page (paper, 1);
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 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));
- /* Copyright on first page. */
- if (unsmob_stencil (copyright_))
- page->copyright_ = copyright_;
+
+ /*
+ 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;
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,
+c_ragged_page_breaks (SCM lines,
+ Paper_book *book,
+ Real text_height,
Real first, Real last)
{
int page_number = 0;
- int page_count = int (book_height / text_height + 0.5);
+
+ Real book_height =0.;
+ for (SCM s = lines ; ly_c_pair_p (s); s = ly_cdr (s))
+ {
+ book_height += unsmob_paper_line (s)->dim ()[Y_AXIS];
+ }
+
+ /*
+ UGH.
+ */
+ 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; s != SCM_EOL; s = ly_cdr (s))
+ for (SCM s = lines; ly_c_pair_p (s); s = ly_cdr (s))
{
Paper_line *pl = unsmob_paper_line (ly_car (s));
if (!pl->is_title () && h < page_height)
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 (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");
+ 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,
- ly_scm2double (book), ly_scm2double (text),
+ return c_ragged_page_breaks (lines, b,
+ ly_scm2double (text),
ly_scm2double (first), ly_scm2double (last));
}
projects / lilypond.git / commitdiff