-/*
+/*
paper-def.cc -- implement Paper_def
source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include <math.h>
-#include "all-font-metrics.hh"
-#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)
-{
- shape_int_a_ = s.shape_int_a_;
- 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);
- }
-}
-
+#include "dimensions.hh"
+#include "ly-module.hh"
+#include "output-def.hh"
+#include "modified-font-metric.hh"
+#include "pango-font.hh"
Real
-Paper_def::get_var (String s) const
+output_scale (Output_def *od)
{
- return get_realvar (ly_symbol2scm (s.ch_C()));
+ return scm_to_double (od->lookup_variable (ly_symbol2scm ("outputscale")));
}
-Real
-Paper_def::get_realvar (SCM s) const
-{
- if (!scope_p_->elem_b (s))
- error (_f ("unknown paper variable: `%s'", ly_symbol2string (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
+SCM
+get_font_table (Output_def *def)
{
- SCM s = default_properties_ [ly_symbol2scm ("margin-shape")];
- if (!gh_pair_p (s))
- {
- Real lw = get_var ("linewidth");
- Real ind = n? 0.0:get_var ("indent");
-
- return Interval (ind, lw);
- }
-
-
- SCM last = SCM_EOL;
- while (gh_pair_p (s) && n --)
+ SCM font_table = def->lookup_variable (ly_symbol2scm ("scaled-fonts"));
+ if (scm_hash_table_p (font_table) != SCM_BOOL_T)
{
- last = s;
- s = gh_cdr (s);
+ font_table = scm_c_make_hash_table (11);
+ def->set_variable (ly_symbol2scm ("scaled-fonts"), font_table);
}
-
- if (s == SCM_EOL)
- {
- s = last;
- }
-
- SCM pair = gh_car (s);
-
- return Interval (gh_scm2double (gh_car (pair)),
- gh_scm2double (gh_cdr (pair)));
-}
-
-Real
-Paper_def::length_mom_to_dist (Moment d,Real k) const
-{
- return arithmetic_spacing (d,k);
+ return font_table;
}
+
-/**
- Get the measure wide constant for arithmetic spacing.
-
- @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
+/* TODO: should add nesting for Output_def here too. */
+Font_metric *
+find_scaled_font (Output_def *mod, Font_metric *f, Real m)
{
- return get_var ("arithmetic_basicspace") - log_2 (Moment (1,8) <? d);
-}
-
-Real
-Paper_def::arithmetic_spacing (Moment d ,Real k) const
-{
- return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
-}
+ if (mod->parent_)
+ return find_scaled_font (mod->parent_, f, m);
+
+ Real lookup_mag = m / output_scale (mod);
-void
-Paper_def::set_lookup (int i, Lookup*l)
-{
- if (lookup_p_tab_p_->elem_b (i))
+
+
+ SCM font_table = get_font_table (mod);
+ SCM sizes = scm_hashq_ref (font_table, f->self_scm (), SCM_BOOL_F);
+ if (sizes != SCM_BOOL_F)
{
- delete lookup_p_tab_p_->elem (i);
+ SCM met = scm_assoc (scm_make_real (lookup_mag), sizes);
+ if (scm_is_pair (met))
+ return unsmob_metrics (scm_cdr (met));
}
- (*lookup_p_tab_p_)[i] = l;
-}
-
-
-Real
-Paper_def::interbeam_f (int multiplicity_i) const
-{
- if (multiplicity_i <= 3)
- return get_var ("interbeam");
else
- return get_var ("interbeam4");
-}
-
-
-void
-Paper_def::print () const
-{
-#ifndef NPRINT
- Music_output_def::print ();
- DEBUG_OUT << "Paper {";
-
- for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
- {
- DEBUG_OUT << "Lookup: " << ai.key () << " = " << ai.val ()->font_name_ << '\n';
- }
-
- DEBUG_OUT << "}\n";
-#endif
-}
-
-Lookup const *
-Paper_def::lookup_l (int i) const
-{
- return (*lookup_p_tab_p_)[i];
+ sizes = SCM_EOL;
+
+ SCM val = Modified_font_metric::make_scaled_font_metric (f, lookup_mag);
+
+ sizes = scm_acons (scm_make_real (lookup_mag), val, sizes);
+ scm_gc_unprotect_object (val);
+ scm_hashq_set_x (font_table, f->self_scm (), sizes);
+ return unsmob_metrics (val);
}
-
-
-int Paper_def::default_count_i_ = 0;
-
-int
-Paper_def::get_next_default_count () const
+/* TODO: this is a nasty interface. During formatting,
+ the Output_def should be scaled to the output_scale_
+ specified in the toplevel Output_def. */
+Output_def *
+scale_output_def (Output_def *o, Real amount)
{
- return default_count_i_ ++;
-}
+ SCM proc = ly_lily_module_constant ("scale-layout");
+ SCM new_pap = scm_call_2 (proc, o->self_scm (), scm_double2num (amount));
+ scm_gc_protect_object (new_pap);
-void
-Paper_def::reset_default_count()
-{
- default_count_i_ = 0;
+ return unsmob_output_def (new_pap);
}
-
-Paper_stream*
-Paper_def::paper_stream_p () const
+LY_DEFINE (ly_paper_fonts, "ly:paper-fonts",
+ 1, 0, 0,
+ (SCM bp),
+ "Return fonts from the @code{\\paper} block @var{bp}.")
{
- String outname = base_output_str ();
-
- if (outname != "-")
- outname += String (".") + output_global_ch;
- *mlog << _f ("paper output to %s...",
- outname == "-" ? String ("<stdout>") : outname) << endl;
-
- target_str_global_array.push (outname);
- return new Paper_stream (outname);
-}
+ Output_def *b = unsmob_output_def (bp);
+ SCM font_table = b->lookup_variable (ly_symbol2scm ("scaled-fonts"));
+
+ SCM_ASSERT_TYPE (b, bp, SCM_ARG1, __FUNCTION__, "paper");
-String
-Paper_def::base_output_str () const
-{
- String str = get_default_output ();
-
- if (str.empty_b ())
+ SCM ell = SCM_EOL;
+ if (scm_hash_table_p (font_table) == SCM_BOOL_T)
{
- str = default_outname_base_global;
- int def = get_next_default_count ();
- if (def)
- str += "-" + to_str (def);
+ SCM func = ly_lily_module_constant ("hash-table->alist");
+
+ for (SCM s = scm_call_1 (func, font_table); scm_is_pair (s);
+ s = scm_cdr (s))
+ {
+ SCM entry = scm_car (s);
+ for (SCM t = scm_cdr (entry); scm_is_pair (t); t = scm_cdr (t))
+ {
+ Font_metric *fm = unsmob_metrics (scm_cdar (t));
+
+ if (dynamic_cast<Modified_font_metric*> (fm)
+ || dynamic_cast<Pango_font*> (fm))
+ ell = scm_cons (fm->self_scm (), ell);
+ }
+ }
}
- return str;
+ return ell;
}
-
-
projects / lilypond.git / blobdiff