source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
#include <math.h>
+
+#include "virtual-font-metric.hh"
#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 "warn.hh"
+#include "scaled-font-metric.hh"
#include "main.hh"
-#include "scope.hh"
-#include "dictionary-iter.hh"
-#include "file-results.hh" // urg? header_global_p
+#include "scm-hash.hh"
+#include "input-file-results.hh" // urg? header_global
#include "paper-outputter.hh"
-#include "paper-stream.hh"
-
+#include "ly-modules.hh"
+/*
+ This is an almost empty thing. The only substantial thing this class
+ handles, is scaling up and down to real-world dimensions (internally
+ dimensions are against global staff-space.)
+
+ */
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)
+Paper_def::Paper_def (Paper_def const&src)
+ : Music_output_def (src)
{
- 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);
- }
}
-Real
-Paper_def::get_var (String s) const
-{
- return get_realvar (ly_symbol2scm (s.ch_C()));
-}
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;
+ SCM val = lookup_variable (s);
+ SCM scale = lookup_variable (ly_symbol2scm ("outputscale"));
+
+ Real sc = gh_scm2double (scale);
+ return gh_scm2double (val) / sc;
}
-
+/*
+ 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
{
- 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 --)
- {
- last = s;
- s = gh_cdr (s);
- }
-
- if (s == SCM_EOL)
- {
- s = last;
- }
+ Real lw = get_realvar (ly_symbol2scm ("linewidth"));
+ Real ind = n? 0.0:get_realvar (ly_symbol2scm ("indent"));
- 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 Interval (ind, lw);
}
-/**
- 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
-{
- return get_var ("arithmetic_basicspace") - log_2 (Moment (1,8) <? d);
-}
+int Paper_def::score_count_ = 0;
-Real
-Paper_def::arithmetic_spacing (Moment d ,Real k) const
+int
+Paper_def::get_next_score_count () const
{
- return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
+ return score_count_ ++;
}
void
-Paper_def::set_lookup (int i, Lookup*l)
+Paper_def::reset_score_count ()
{
- if (lookup_p_tab_p_->elem_b (i))
- {
- delete lookup_p_tab_p_->elem (i);
- }
- (*lookup_p_tab_p_)[i] = l;
+ score_count_ = 0;
}
-Real
-Paper_def::interbeam_f (int multiplicity_i) const
+Paper_outputter*
+Paper_def::get_paper_outputter ()
{
- if (multiplicity_i <= 3)
- return get_var ("interbeam");
- else
- return get_var ("interbeam4");
+ String outname = outname_string ();
+ progress_indication (_f ("paper output to `%s'...",
+ outname == "-" ? String ("<stdout>") : outname));
+
+ global_input_file->target_strings_.push (outname);
+ Paper_outputter * po = new Paper_outputter (outname);
+ Path p = split_path (outname);
+ p.ext = "";
+ po->basename_ = p.to_string ();
+ return po;
}
-void
-Paper_def::print () const
+/*
+ todo: use symbols and hashtable idx?
+*/
+Font_metric *
+Paper_def::find_font (SCM fn, Real m)
{
-#ifndef NPRINT
- Music_output_def::print ();
- DEBUG_OUT << "Paper {";
+ SCM key = gh_cons (fn, gh_double2scm (m));
+ SCM met = scm_assoc (key, scaled_fonts_);
+
+ if (gh_pair_p (met))
+ return unsmob_metrics (ly_cdr (met));
- for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
+ /*
+ Hmm. We're chaining font - metrics. Should consider wether to merge
+ virtual-font and scaled_font.
+ */
+ Font_metric* f=0;
+ if (gh_list_p (fn))
{
- DEBUG_OUT << "Lookup: " << ai.key () << " = " << ai.val ()->font_name_ << '\n';
+ f = new Virtual_font_metric (fn, m, this);
}
+ else
+ {
+ SCM scale_var = ly_module_lookup (scope_, ly_symbol2scm ("outputscale"));
- DEBUG_OUT << "}\n";
-#endif
-}
-
-Lookup const *
-Paper_def::lookup_l (int i) const
-{
- return (*lookup_p_tab_p_)[i];
-}
-
-
-
-int Paper_def::default_count_i_ = 0;
+ m /= gh_scm2double (scm_variable_ref (scale_var));
-int
-Paper_def::get_next_default_count () const
-{
- return default_count_i_ ++;
-}
+ f = all_fonts_global->find_font (ly_scm2string (fn));
+ SCM val = Scaled_font_metric::make_scaled_font_metric (f, m);
+ scaled_fonts_ = scm_acons (key, val, scaled_fonts_);
+ f = unsmob_metrics (val);
+ scm_gc_unprotect_object (val);
+ }
-void
-Paper_def::reset_default_count()
-{
- default_count_i_ = 0;
+ return f;
}
-Paper_stream*
-Paper_def::paper_stream_p () const
+/*
+ Return alist to translate internally used fonts back to real-world
+ coordinates. */
+SCM
+Paper_def::font_descriptions ()const
{
- String outname = base_output_str ();
-
- if (outname != "-")
- outname += String (".") + output_global_ch;
- progress_indication (_f ("paper output to %s...",
- outname == "-" ? String ("<stdout>") : outname));
-
+ SCM l = SCM_EOL;
+ for (SCM s = scaled_fonts_; gh_pair_p (s); s = ly_cdr (s))
+ {
+ SCM desc = ly_caar (s);
+ SCM mdesc = unsmob_metrics (ly_cdar (s))->description_;
- target_str_global_array.push (outname);
- return new Paper_stream (outname);
+ l = gh_cons (gh_cons (mdesc, desc), l);
+ }
+ return l;
}
-
-String
-Paper_def::base_output_str () const
+Paper_def*
+unsmob_paper (SCM x)
{
- String str = get_default_output ();
-
- if (str.empty_b ())
- {
- str = default_outname_base_global;
- int def = get_next_default_count ();
- if (def)
- str += "-" + to_str (def);
- }
- return str;
+ return dynamic_cast<Paper_def*> (unsmob_music_output_def (x));
}
-
+
projects / lilypond.git / blobdiff