source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.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 "scaled-font-metric.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"
-
+/*
+ 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()));
+ return get_realvar (ly_symbol2scm (s.ch_C ()));
}
-Real
-Paper_def::get_realvar (SCM s) const
+SCM
+Paper_def::get_scmvar (String 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;
+ return scope_p_->scm_elem (ly_symbol2scm (s.ch_C ()));
}
-Interval
-Paper_def::line_dimensions_int (int n) const
+SCM
+Paper_def::get_scmvar_scm (SCM sym) 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 gh_double2scm (get_realvar (sym));
+}
- return Interval (ind, lw);
+Real
+Paper_def::get_realvar (SCM s) const
+{
+ SCM val ;
+ if (!scope_p_->try_retrieve (s, &val))
+ {
+ programming_error ("unknown paper variable: " + ly_symbol2string (s));
+ return 0.0;
}
-
- SCM last = SCM_EOL;
- while (gh_pair_p (s) && n --)
+ Real sc = 1.0;
+ SCM ssc;
+ if (scope_p_->try_retrieve (ly_symbol2scm ("outputscale"), &ssc))
{
- last = s;
- s = gh_cdr (s);
+ sc = gh_scm2double (ssc);
}
-
- if (s == SCM_EOL)
+ if (gh_number_p (val))
{
- s = last;
+ return gh_scm2double (val) / sc;
}
-
- SCM pair = gh_car (s);
-
- return Interval (gh_scm2double (gh_car (pair)),
- gh_scm2double (gh_cdr (pair)));
-}
-
-void
-Paper_def::set_lookup (int i, Lookup*l)
-{
- if (lookup_p_tab_p_->elem_b (i))
+ else
{
- delete lookup_p_tab_p_->elem (i);
+ programming_error ("not a real variable");
+ return 0.0;
}
- (*lookup_p_tab_p_)[i] = l;
}
-
/*
- junkme.
+ FIXME. This is broken until we have a generic way of
+ putting lists inside the \paper block.
*/
-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
+Interval
+Paper_def::line_dimensions_int (int n) 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
-}
+ Real lw = get_var ("linewidth");
+ Real ind = n? 0.0:get_var ("indent");
-Lookup const *
-Paper_def::lookup_l (int i) const
-{
- return (*lookup_p_tab_p_)[i];
+ return Interval (ind, lw);
}
-int Paper_def::default_count_i_ = 0;
+int Paper_def::score_count_i_ = 0;
int
-Paper_def::get_next_default_count () const
+Paper_def::get_next_score_count () const
{
- return default_count_i_ ++;
+ return score_count_i_ ++;
}
void
-Paper_def::reset_default_count()
+Paper_def::reset_score_count ()
{
- default_count_i_ = 0;
+ score_count_i_ = 0;
}
-Paper_stream*
-Paper_def::paper_stream_p () const
+Paper_outputter*
+Paper_def::paper_outputter_p ()
{
- String outname = base_output_str ();
-
- if (outname != "-")
- outname += String (".") + output_global_ch;
- progress_indication (_f ("paper output to %s...",
+ String outname = outname_str ();
+ progress_indication (_f ("paper output to `%s'...",
outname == "-" ? String ("<stdout>") : outname));
-
target_str_global_array.push (outname);
- return new Paper_stream (outname);
+ Paper_outputter * po = new Paper_outputter (outname);
+ Path p = split_path (outname);
+ p.ext = "";
+ po->basename_ = p.str ();
+ return po;
}
-String
-Paper_def::base_output_str () const
+/*
+ todo: use symbols and hashtable idx?
+*/
+Font_metric *
+Paper_def::find_font (SCM fn, Real m)
{
- String str = get_default_output ();
+ SCM key = gh_cons (fn, gh_double2scm (m));
+ SCM met = scm_assoc (key, scaled_fonts_);
- if (str.empty_b ())
+ if (gh_pair_p (met))
+ return unsmob_metrics (ly_cdr (met));
+
+ SCM ssc;
+ if (scope_p_->try_retrieve (ly_symbol2scm ("outputscale"), &ssc))
{
- str = default_outname_base_global;
- int def = get_next_default_count ();
- if (def)
- str += "-" + to_str (def);
+ m /= gh_scm2double (ssc);
}
- return str;
+
+ Font_metric* f = all_fonts_global_p->find_font (ly_scm2string (fn));
+ SCM val = Scaled_font_metric::make_scaled_font_metric (f, m);
+ scaled_fonts_ = scm_acons (key, val, scaled_fonts_);
+
+ scm_gc_unprotect_object (val);
+
+ return dynamic_cast<Scaled_font_metric*> (unsmob_metrics (val));
}
+/*
+ Return alist to translate internally used fonts back to real-world
+ coordinates. */
+SCM
+Paper_def::font_descriptions ()const
+{
+
+
+ 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_;
+
+ l = gh_cons (gh_cons (mdesc, desc), l);
+ }
+ return l;
+}
projects / lilypond.git / blobdiff