- source file of the GNU LilyPond music typesetter
-
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
-
-#include <math.h>
-#include "string.hh"
-#include "misc.hh"
-#include "paper-def.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "score-engraver.hh"
-#include "paper-score.hh"
-#include "identifier.hh"
-#include "main.hh"
-#include "scope.hh"
-#include "dictionary-iter.hh"
-#include "file-results.hh" // urg? header_global_p
-#include "paper-outputter.hh"
-#include "paper-stream.hh"
-
-
-Paper_def::Paper_def ()
-{
- lookup_p_tab_p_ = new Hash_table<int, Lookup*>;
- lookup_p_tab_p_->hash_func_ = int_hash;
-}
-
-
-Paper_def::~Paper_def ()
-{
- for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
- {
- delete ai.val ();
- }
-
- delete lookup_p_tab_p_;
-}
-
-Paper_def::Paper_def (Paper_def const&s)
- : Music_output_def (s)
-{
- lookup_p_tab_p_ = new Hash_table<int, Lookup*>;
- lookup_p_tab_p_->hash_func_ = int_hash;
-
- for (Hash_table_iter<int, Lookup*> ai(*s.lookup_p_tab_p_); ai.ok (); ai++)
- {
- Lookup * l = new Lookup (*ai.val ());
- set_lookup (ai.key(), l);
- }
-}
-
-SCM
-Paper_def::get_scm_var (SCM s) const
-{
- if (!scope_p_->elem_b (s))
- return SCM_BOOL_F;
-
- Identifier * id = scope_p_->elem (s);
-
- SCM z;
- SCM_NEWCELL (z);
- SCM_SETCAR(z, s);
-
- SCM val;
-
- if (dynamic_cast<Real_identifier*> (id))
- {
- Real r = *id->access_content_Real (false);
- val = gh_double2scm (r);
- }
- else
- {
- return SCM_BOOL_F;
- }
-
- SCM_SETCDR(z,val);
- return z;
-}
-
-Real
-Paper_def::get_var (String s) const
-{
- return get_realvar (ly_symbol (s));
-}
-
-Real
-Paper_def::get_realvar (SCM s) const
-{
- if (!scope_p_->elem_b (s))
- error (_f ("unknown paper variable: `%s\'", symbol_to_string (s)));
- Real * p = scope_p_->elem (s)->access_content_Real (false);
- if (!p)
- {
- error (_("not a real variable"));
- return 0.0;
- }
-
- return *p;
-}
-
-Interval
-Paper_def::line_dimensions_int (int n) const
-{
- if (!shape_int_a_.size ())
- if (n)
- return Interval (0, linewidth_f ());
- else
- return Interval (get_var ("indent"), linewidth_f ());
-
- if (n >= shape_int_a_.size ())
- n = shape_int_a_.size () -1;
-
- return shape_int_a_[n];
-}
-
-Real
-Paper_def::beam_thickness_f () const
-{
- return get_realvar (beam_thickness_scm_sym);
-}
-
-Real
-Paper_def::linewidth_f () const
-{
- return get_realvar (linewidth_scm_sym);
-}
-
-Real
-Paper_def::length_mom_to_dist (Moment d,Real k) const
-{
- return arithmetic_spacing (d,k);
-}