source file of the GNU LilyPond music typesetter
- (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "scm-hash.hh"
#include "input-file-results.hh" // urg? header_global
#include "paper-outputter.hh"
-#include "ly-modules.hh"
-
+#include "ly-module.hh"
/*
This is an almost empty thing. The only substantial thing this class
- handles, is scaling up and down to real-world dimensions (internally
+ handles is scaling up and down to real-world dimensions (internally
dimensions are against global staff-space.)
-
*/
+
Paper_def::Paper_def ()
{
+ scaled_fonts_ = SCM_EOL;
+ /*
+ don't remove above statement, scm_make_hash_table may trigger GC.
+ */
+ scaled_fonts_ = scm_c_make_hash_table (11);
}
Paper_def::~Paper_def ()
Paper_def::Paper_def (Paper_def const&src)
: Music_output_def (src)
{
+ scaled_fonts_ = SCM_EOL;
+ /*
+ don't remove above statement, scm_make_hash_table may trigger GC.
+ */
+ scaled_fonts_ = scm_c_make_hash_table (11);
}
-
-Real
-Paper_def::get_var (String s) const
+void
+Paper_def::derived_mark ()
{
- return get_realvar (ly_symbol2scm (s.to_str0 ()));
+ scm_gc_mark (scaled_fonts_);
}
Real
-Paper_def::get_realvar (SCM s) const
+Paper_def::get_dimension (SCM s) const
{
SCM val = lookup_variable (s);
SCM scale = lookup_variable (ly_symbol2scm ("outputscale"));
- Real sc = gh_scm2double (scale);
- return gh_scm2double (val) / sc;
+ Real sc = ly_scm2double (scale);
+ return ly_scm2double (val) / sc;
}
/*
Interval
Paper_def::line_dimensions_int (int n) const
{
- Real lw = get_var ("linewidth");
- Real ind = n? 0.0:get_var ("indent");
+ Real lw = get_dimension (ly_symbol2scm ("linewidth"));
+ Real ind = n? 0.0:get_dimension (ly_symbol2scm ("indent"));
return Interval (ind, lw);
}
-int Paper_def::score_count_ = 0;
-
-int
-Paper_def::get_next_score_count () const
-{
- return score_count_ ++;
-}
-
-void
-Paper_def::reset_score_count ()
-{
- score_count_ = 0;
-}
-
Paper_outputter*
-Paper_def::get_paper_outputter ()
+Paper_def::get_paper_outputter (String outname) const
{
- String outname = outname_string ();
progress_indication (_f ("paper output to `%s'...",
outname == "-" ? String ("<stdout>") : outname));
+ progress_indication("\n");
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 ();
+ po->basename_ = p.to_string ();
return po;
}
-/*
- todo: use symbols and hashtable idx?
-
-*/
Font_metric *
-Paper_def::find_font (SCM fn, Real m)
+Paper_def::find_scaled_font (Font_metric *f, 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));
+ SCM sizes = scm_hashq_ref (scaled_fonts_, f->self_scm (), SCM_BOOL_F);
+ if (sizes != SCM_BOOL_F)
+ {
+ SCM met = scm_assoc (scm_make_real (m), sizes);
+ if (ly_pair_p (met))
+ return unsmob_metrics (ly_cdr (met));
+ }
+ else
+ {
+ sizes = SCM_EOL;
+ }
+
/*
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))
+ */
+ SCM val = SCM_EOL;
+ if (Virtual_font_metric * vf = dynamic_cast<Virtual_font_metric*> (f))
{
- f = new Virtual_font_metric (fn, m, this);
+ /*
+ For fontify_atom (), the magnification and name must be known
+ at the same time. That's impossible for
+
+ Scaled (Virtual_font (Font1,Font2))
+
+ so we replace by
+
+ Virtual_font (Scaled (Font1), Scaled (Font2))
+
+ */
+ SCM l = SCM_EOL;
+ SCM *t = &l;
+ for (SCM s = vf->get_font_list (); ly_pair_p (s); s = ly_cdr (s))
+ {
+ Font_metric*scaled
+ = find_scaled_font (unsmob_metrics (ly_car (s)), m);
+ *t = scm_cons (scaled->self_scm (), SCM_EOL);
+ t = SCM_CDRLOC(*t);
+ }
+
+ vf = new Virtual_font_metric (l);
+ val = vf->self_scm ();
}
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);
+ SCM scale_var = ly_module_lookup (scope_, ly_symbol2scm ("outputscale"));
+ SCM coding_var = ly_module_lookup (scope_, ly_symbol2scm ("inputencoding"));
+
+ m /= ly_scm2double (scm_variable_ref (scale_var));
+ val = Modified_font_metric::make_scaled_font_metric (scm_variable_ref (coding_var),
+ f, m);
}
- return f;
+ sizes = scm_acons (scm_make_real (m), val, sizes);
+ scm_gc_unprotect_object (val);
+
+ scm_hashq_set_x (scaled_fonts_, f->self_scm (), sizes);
+
+ return unsmob_metrics (val);
}
+
/*
Return alist to translate internally used fonts back to real-world
coordinates. */
SCM
-Paper_def::font_descriptions ()const
+Paper_def::font_descriptions () const
{
+ SCM func = ly_scheme_function ("hash-table->alist");
+
SCM l = SCM_EOL;
- for (SCM s = scaled_fonts_; gh_pair_p (s); s = ly_cdr (s))
+ for (SCM s = scm_call_1 (func, scaled_fonts_); ly_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);
+ SCM entry = ly_car (s);
+ for (SCM t = ly_cdr (entry); ly_pair_p (t); t = ly_cdr (t))
+ {
+ Font_metric *fm= unsmob_metrics (ly_cdar (t));
+
+ if (dynamic_cast<Modified_font_metric*> (fm))
+ l = scm_cons (fm->self_scm (), l);
+ }
}
return l;
}
+
+Paper_def*
+unsmob_paper (SCM x)
+{
+ return dynamic_cast<Paper_def*> (unsmob_music_output_def (x));
+}
+
+
+LY_DEFINE (ly_paper_def_p, "ly:paper-def?",
+ 1, 0,0, (SCM def),
+ "Is @var{def} a paper definition?")
+{
+ Paper_def *op = dynamic_cast<Paper_def*> (unsmob_music_output_def (def));
+
+ bool pap = op;
+ return ly_bool2scm (pap);
+}
projects / lilypond.git / blobdiff