source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <math.h>
+
+#include "all-font-metrics.hh"
#include "string.hh"
-#include "assoc.hh"
#include "misc.hh"
#include "paper-def.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "dimen.hh"
-#include "input-engraver.hh"
-#include "engraver-group.hh"
-#include "assoc-iter.hh"
+#include "warn.hh"
+#include "scaled-font-metric.hh"
+#include "main.hh"
+#include "scm-hash.hh"
+#include "file-results.hh" // urg? header_global_p
+#include "paper-outputter.hh"
-void
-Paper_def::set_var(String s, Real r)
+/*
+ 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 ()
{
- real_vars_p_->elem(s) = r;
}
-Real
-Paper_def::get_var(String s)const
+Paper_def::~Paper_def ()
{
- if(! real_vars_p_->elt_b(s))
- error ( "unknown paper variable `" + s+"'");
- return real_vars_p_->elem(s);
}
-Real
-Paper_def::linewidth_f() const
+Paper_def::Paper_def (Paper_def const&src)
+ : Music_output_def (src)
{
- return get_var("linewidth");
}
+
Real
-Paper_def::duration_to_dist(Moment d)
+Paper_def::get_var (String s) const
{
- if (!d)
- return 0;
-
- return get_var("unitspace") * pow(get_var("geometric"), log_2(d));
+ return get_realvar (ly_symbol2scm (s.ch_C ()));
}
-
-Paper_def::Paper_def()
+SCM
+Paper_def::get_scmvar (String s) const
{
- igrav_p_ = 0;
- lookup_p_ = 0;
- real_vars_p_ = new Assoc<String,Real>;
- outfile_str_ = "lelie.tex";
+ return variable_tab_->get (ly_symbol2scm (s.ch_C ()));
}
-Paper_def::~Paper_def()
-{
- delete igrav_p_;
- delete real_vars_p_;
- delete lookup_p_;
-}
-Paper_def::Paper_def(Paper_def const&s)
+SCM
+Paper_def::get_scmvar_scm (SCM sym) const
{
- igrav_p_ = s.igrav_p_ ? new Input_engraver( *s.igrav_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_;
+ return gh_double2scm (get_realvar (sym));
}
-void
-Paper_def::set(Input_engraver * igrav_p)
+Real
+Paper_def::get_realvar (SCM s) const
{
- delete igrav_p_;
- igrav_p_ = igrav_p;
-}
+ SCM val ;
+ if (!variable_tab_->try_retrieve (s, &val))
+ {
+ programming_error ("unknown paper variable: " + ly_symbol2string (s));
+ return 0.0;
+ }
-void
-Paper_def::set(Lookup*l)
-{
- assert(l != lookup_p_);
- delete lookup_p_;
- lookup_p_ = l;
- lookup_p_->paper_l_ = this;
+ Real sc = 1.0;
+ SCM ssc;
+ if (variable_tab_->try_retrieve (ly_symbol2scm ("outputscale"), &ssc))
+ {
+ sc = gh_scm2double (ssc);
+ }
+ if (gh_number_p (val))
+ {
+ return gh_scm2double (val) / sc;
+ }
+ else
+ {
+ programming_error ("not a real variable");
+ return 0.0;
+ }
}
-Real
-Paper_def::interline_f() const
+/*
+ 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
{
- return get_var("interline");
+ Real lw = get_var ("linewidth");
+ Real ind = n? 0.0:get_var ("indent");
+
+ return Interval (ind, lw);
}
-Real
-Paper_def::rule_thickness()const
-{
- return get_var("rule_thickness");
-}
-Real
-Paper_def::interbeam_f() const
+int Paper_def::score_count_i_ = 0;
+
+int
+Paper_def::get_next_score_count () const
{
- return get_var("interbeam");
+ return score_count_i_ ++;
}
-Real
-Paper_def::internote_f() const
+
+void
+Paper_def::reset_score_count ()
{
- return interline_f() / 2;
+ score_count_i_ = 0;
}
-Real
-Paper_def::note_width()const
+
+Paper_outputter*
+Paper_def::paper_outputter_p ()
{
- return get_var("notewidth");
+ String outname = outname_str ();
+ progress_indication (_f ("paper output to `%s'...",
+ outname == "-" ? String ("<stdout>") : outname));
+
+ target_str_global_array.push (outname);
+ Paper_outputter * po = new Paper_outputter (outname);
+ Path p = split_path (outname);
+ p.ext = "";
+ po->basename_ = p.str ();
+ 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
- mtor << "Paper {";
- mtor << "out: " <<outfile_str_;
- lookup_p_->print();
- for (Assoc_iter<String,Real> i(*real_vars_p_); i.ok(); i++) {
- mtor << i.key() << "= " << i.val() << "\n";
+ 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));
+
+ SCM ssc;
+ if (variable_tab_->try_retrieve (ly_symbol2scm ("outputscale"), &ssc))
+ {
+ m /= gh_scm2double (ssc);
}
- mtor << "}\n";
-#endif
-}
+
+ 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_);
-Lookup const *
-Paper_def::lookup_l()
-{
- assert( lookup_p_ );
- return lookup_p_;
+ scm_gc_unprotect_object (val);
+
+ return dynamic_cast<Scaled_font_metric*> (unsmob_metrics (val));
}
-Global_translator*
-Paper_def::get_global_translator_p() const
-{
- return igrav_p_->get_group_engraver_p()->global_l();
+
+/*
+ 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