source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.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 "assoc.hh"
#include "misc.hh"
#include "paper-def.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "dimen.hh"
-#include "input-translator.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 "input-file-results.hh" // urg? header_global
+#include "paper-outputter.hh"
+#include "ly-modules.hh"
-void
-Paper_def::set_var (String s, Real r)
-{
- real_vars_p_->elem (s) = r;
-}
-Real
-Paper_def::get_var (String s)const
+/*
+ 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 ()
{
- 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 ()
{
- return get_var ("linewidth");
}
-Real
-Paper_def::duration_to_dist (Moment d)
+Paper_def::Paper_def (Paper_def const&src)
+ : Music_output_def (src)
{
- Real dur_f = (d) ?pow (get_var ("geometric"), log_2(d)) : 0;
- return get_var ("basicspace") + get_var ("unitspace") * dur_f;
}
-Paper_def::Paper_def()
+Real
+Paper_def::get_var (String s) const
{
- itrans_p_ = 0;
- lookup_p_ = 0;
- real_vars_p_ = new Assoc<String,Real>;
+ return get_realvar (ly_symbol2scm (s.to_str0 ()));
}
-Paper_def::~Paper_def()
+Real
+Paper_def::get_realvar (SCM s) const
{
- delete itrans_p_;
- delete real_vars_p_;
- delete lookup_p_;
+ SCM val = lookup_variable (s);
+ SCM scale = lookup_variable (ly_symbol2scm ("outputscale"));
+
+ Real sc = gh_scm2double (scale);
+ return gh_scm2double (val) / sc;
}
-Paper_def::Paper_def (Paper_def const&s)
+/*
+ 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
{
- itrans_p_ = s.itrans_p_ ? new Input_translator (*s.itrans_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_;
-}
+ Real lw = get_var ("linewidth");
+ Real ind = n? 0.0:get_var ("indent");
-void
-Paper_def::set (Input_translator * itrans_p)
-{
- delete itrans_p_;
- itrans_p_ = itrans_p;
+ return Interval (ind, lw);
}
-void
-Paper_def::set (Lookup*l)
-{
- assert (l != lookup_p_);
- delete lookup_p_;
- lookup_p_ = l;
- lookup_p_->paper_l_ = this;
-}
-Real
-Paper_def::interline_f() const
-{
- return get_var ("interline");
-}
+int Paper_def::score_count_ = 0;
-Real
-Paper_def::rule_thickness()const
+int
+Paper_def::get_next_score_count () const
{
- return get_var ("rule_thickness");
+ return score_count_ ++;
}
-Real
-Paper_def::interbeam_f() const
-{
- return get_var ("interbeam");
-}
-Real
-Paper_def::internote_f() const
+void
+Paper_def::reset_score_count ()
{
- return interline_f() / 2;
+ score_count_ = 0;
}
-Real
-Paper_def::note_width()const
+
+Paper_outputter*
+Paper_def::get_paper_outputter ()
{
- return get_var ("notewidth");
+ 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.string ();
+ return po;
}
-void
-Paper_def::print() const
-{
-#ifndef NPRINT
- DOUT << "Paper {";
- DOUT << "out: " <<outfile_str_;
- lookup_p_->print();
- itrans_p_->print();
- for (Assoc_iter<String,Real> i (*real_vars_p_); i.ok(); i++) {
- DOUT << i.key() << "= " << i.val () << "\n";
+
+/*
+ todo: use symbols and hashtable idx?
+
+
+*/
+Font_metric *
+Paper_def::find_font (SCM fn, Real m)
+{
+ 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));
+
+ /*
+ 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))
+ {
+ f = new Virtual_font_metric (fn, m, this);
+ }
+ else
+ {
+ SCM var = ly_module_lookup (scope_, ly_symbol2scm ("outputscale"));
+ m /= gh_scm2double (scm_variable_ref (var));
+
+ 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);
}
- DOUT << "}\n";
-#endif
-}
-Lookup const *
-Paper_def::lookup_l()
-{
- assert (lookup_p_);
- return lookup_p_;
+ return f;
}
-Global_translator*
-Paper_def::get_global_translator_p() const
-{
- return itrans_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