source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <math.h>
+
#include "string.hh"
-#include "assoc.hh"
#include "misc.hh"
#include "paper-def.hh"
#include "debug.hh"
#include "lookup.hh"
-#include "dimen.hh"
-#include "input-translator.hh"
-#include "assoc-iter.hh"
-#include "score-grav.hh"
-#include "p-score.hh"
#include "main.hh"
+#include "scope.hh"
+#include "file-results.hh" // urg? header_global_p
+#include "paper-stream.hh"
-void
-Paper_def::set_var (String s, Real r)
+Paper_def::Paper_def ()
{
- real_vars_p_->elem (s) = r;
-}
-
-Real
-Paper_def::get_var (String s) const
-{
- if (! real_vars_p_->elt_b (s))
- error ("unknown paper variable `" + s+"'");
- return real_vars_p_->elem (s);
+ lookup_alist_ = SCM_EOL;
}
-Real
-Paper_def::linewidth_f() const
-{
- return get_var ("linewidth");
-}
-Real
-Paper_def::duration_to_dist (Moment d,Real k) const
+Paper_def::~Paper_def ()
{
- if (get_var("geometric"))
- return geometric_spacing(d);
- return arithmetic_spacing(d,k);
}
+Paper_def::Paper_def (Paper_def const&src)
+ : Music_output_def (src)
+{
+ SCM n = SCM_EOL;
+ for (SCM s = src.lookup_alist_; gh_pair_p(s); s = gh_cdr (s))
+ {
+ n = scm_acons (gh_caar(s), gh_cdar (s), n);
+ }
-/**
- Get the measure wide constant for arithmetic.
+ lookup_alist_ = n;
+}
- @see
- John S. Gourlay. ``Spacing a Line of Music,'' Technical Report
- OSU-CISRC-10/87-TR35, Department of Computer and Information Science,
- The Ohio State University, 1987.
- */
Real
-Paper_def::arithmetic_constant(Moment d) const
+Paper_def::get_var (String s) const
{
- return get_var("arithmetic_basicspace") - log_2(Moment(1,8) <? d);
+ return get_realvar (ly_symbol2scm (s.ch_C()));
}
-Real
-Paper_def::arithmetic_spacing(Moment d ,Real k) const
+SCM
+Paper_def::get_scmvar (String s) const
{
- return (log_2(d) + k)* get_var("arithmetic_multiplier");
+ return scope_p_->scm_elem (ly_symbol2scm (s.ch_C()));
}
Real
-Paper_def::geometric_spacing(Moment d) const
+Paper_def::get_realvar (SCM s) const
{
- Real dur_f = (d) ?pow (get_var ("geometric"), log_2(d)) : 0;
- return get_var ("basicspace") + get_var ("unitspace") * dur_f;
-}
-
-Paper_def::Paper_def()
-{
- itrans_p_ = 0;
- lookup_p_ = 0;
- real_vars_p_ = new Assoc<String,Real>;
-}
+ SCM val ;
+ if (!scope_p_->try_retrieve (s, &val))
+ {
+ programming_error ("unknown paper variable: " + ly_symbol2string (s));
+ return 0.0;
+ }
-Paper_def::~Paper_def()
-{
- delete itrans_p_;
- delete real_vars_p_;
- delete lookup_p_;
+ if (gh_number_p (val))
+ {
+ return gh_scm2double (val);
+ }
+ else
+ {
+ programming_error ("not a real variable");
+ return 0.0;
+ }
}
-Paper_def::Paper_def (Paper_def const&s)
+/*
+ FIXME. This is broken until we have a generic way of
+ putting lists inside the \paper block.
+ */
+Interval
+Paper_def::line_dimensions_int (int n) const
{
- itrans_p_ = s.itrans_p_ ? new Input_translator (*s.itrans_p_):0;
- lookup_p_ = s.lookup_p_? new Lookup (*s.lookup_p_) : 0;
- lookup_p_->paper_l_ = this;
- real_vars_p_ = new Assoc<String,Real> (*s.real_vars_p_);
- outfile_str_ = s.outfile_str_;
-}
+ Real lw = get_var ("linewidth");
+ Real ind = n? 0.0:get_var ("indent");
-void
-Paper_def::set (Input_translator * itrans_p)
-{
- delete itrans_p_;
- itrans_p_ = itrans_p;
+ return Interval (ind, lw);
}
void
-Paper_def::set (Lookup*l)
+Paper_def::set_lookup (int i, SCM l)
{
- assert (l != lookup_p_);
- delete lookup_p_;
- lookup_p_ = l;
- lookup_p_->paper_l_ = this;
+ assert (unsmob_lookup (l));
+ lookup_alist_ = scm_assq_set_x(lookup_alist_, gh_int2scm (i), l);
}
-Real
-Paper_def::interline_f() const
+Lookup const *
+Paper_def::lookup_l (int i) const
{
- return get_var ("interline");
+ SCM l = scm_assq (gh_int2scm(i), lookup_alist_);
+ return l == SCM_BOOL_F ? 0 : unsmob_lookup (gh_cdr (l));
}
+int Paper_def::default_count_i_ = 0;
-Real
-Paper_def::rule_thickness() const
+int
+Paper_def::get_next_default_count () const
{
- return get_var ("rule_thickness");
+ return default_count_i_ ++;
}
-Real
-Paper_def::interbeam_f() const
-{
- return get_var ("interbeam");
-}
-Real
-Paper_def::internote_f() const
+void
+Paper_def::reset_default_count()
{
- return interline_f() / 2;
+ default_count_i_ = 0;
}
-Real
-Paper_def::note_width() const
-{
- return get_var ("notewidth");
-}
-void
-Paper_def::print() const
+Paper_stream*
+Paper_def::paper_stream_p () const
{
-#ifndef NPRINT
- DOUT << "Paper {";
- DOUT << "out: " <<outfile_str_;
- lookup_p_->print();
- itrans_p_->print();
- for (Assoc_iter<String,Real> i (*real_vars_p_); i.ok(); i++)
- {
- DOUT << i.key() << "= " << i.val () << "\n";
- }
- DOUT << "}\n";
-#endif
-}
+ String outname = base_output_str ();
-Lookup const *
-Paper_def::lookup_l()
-{
- assert (lookup_p_);
- return lookup_p_;
+ if (outname != "-")
+ outname += String (".") + output_global_ch;
+ progress_indication (_f ("paper output to %s...",
+ outname == "-" ? String ("<stdout>") : outname));
+
+ target_str_global_array.push (outname);
+ return new Paper_stream (outname);
}
-Global_translator*
-Paper_def::get_global_translator_p()
+
+String
+Paper_def::base_output_str () const
{
- if (only_midi)
+ String str = get_default_output ();
+
+ if (str.empty_b ())
{
- return 0;
+ str = default_outname_base_global;
+ int def = get_next_default_count ();
+ if (def)
+ str += "-" + to_str (def);
}
-
- Global_translator* g = itrans_p_->get_group_engraver_p()->global_l ();
- assert (g->is_type_b (Score_engraver::static_name()));
- Score_engraver*grav = (Score_engraver*) g;
- grav->pscore_p_ = new Paper_score;
- grav->pscore_p_->paper_l_ = this;
- return g;
+ return str;
}
-IMPLEMENT_IS_TYPE_B1(Paper_def, Music_output_def);
+
projects / lilypond.git / blobdiff