+/*
+ all-font-metrics.cc -- implement All_font_metrics
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+ */
#include "main.hh"
-#include "all-fonts.hh"
+#include "all-font-metrics.hh"
#include "debug.hh"
#include "warn.hh"
#include "afm.hh"
#include "tfm.hh"
+#include "lily-guile.hh"
+#include "tfm-reader.hh"
const char * default_font_sz_ = "cmr10";
Adobe_font_metric *
All_font_metrics::find_afm (String name)
{
- if (!afm_p_dict_.elem_b (name))
+ SCM sname = ly_symbol2scm (name.ch_C ());
+ if (!afm_p_dict_.elem_b (sname))
{
String path = name + ".afm";
path = search_path_.find (path);
if (path.empty_b ())
return 0;
-
- *mlog << "[" << path;
- Adobe_font_metric
- * afm_p = new Adobe_font_metric (read_afm_file (path));
- *mlog << "]" << flush ;
+ progress_indication ("[" + path);
+ Adobe_font_metric * afm_p = read_afm_file (path);
- afm_p_dict_[name] = afm_p;
+ afm_p->name_str_ = name;
+ progress_indication ("]");
+
+ afm_p_dict_[sname] = afm_p->self_scm_;
+ scm_unprotect_object (afm_p->self_scm_);
+ }
+
+ return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (afm_p_dict_[sname]));
+}
+
+Scaled_font_metric *
+All_font_metrics::find_scaled (String nm, int m)
+{
+ Scaled_font_metric * s=0;
+ String index = nm + "@" + to_str (m);
+ SCM sname = ly_symbol2scm (index.ch_C ());
+
+ Font_metric *fm =0;
+ if (!scaled_p_dict_.elem_b (sname))
+ {
+ Font_metric *f = find_font (nm);
+ s = new Scaled_font_metric (f, m);
+ scaled_p_dict_[sname] = s->self_scm_;
+ fm = s;
+ scm_unprotect_object (s->self_scm_);
}
- return afm_p_dict_[name];
+ else
+ fm = unsmob_metrics (scaled_p_dict_[sname]);
+
+ return dynamic_cast<Scaled_font_metric*> (fm);
}
Tex_font_metric *
All_font_metrics::find_tfm (String name)
{
- if (!tfm_p_dict_.elem_b (name))
+ SCM sname = ly_symbol2scm (name.ch_C ());
+ if (!tfm_p_dict_.elem_b (sname))
{
String path = name + ".tfm";
path = search_path_.find (path);
if (path.empty_b ())
return 0;
-
- *mlog << "[" << path;
- Tex_font_metric * tfm_p = new Tex_font_metric;
- tfm_p->read_file (path);
- *mlog << "]" << flush ;
+ progress_indication ("[" + path);
+ Tex_font_metric * tfm_p = Tex_font_metric_reader::read_file (path);
+ tfm_p->name_str_ = name;
+ progress_indication ("]");
- tfm_p_dict_[name] = tfm_p;
+ tfm_p_dict_[sname] = tfm_p->self_scm_;
+ scm_unprotect_object (tfm_p->self_scm_);
}
- return tfm_p_dict_[name];
+
+ return
+ dynamic_cast<Tex_font_metric*> (unsmob_metrics (tfm_p_dict_[sname]));
}
Font_metric *
All_font_metrics::find_font (String name)
-{ Font_metric * f=0;
+{
+ Font_metric * f=0;
f = find_tfm (name);
if (f)
return f;
if (f)
return f;
+ warning (_f ("Can't find font: `%s'", name.ch_C ()));
+ warning (_ ("Loading default font"));
+
f = find_tfm (default_font_sz_);
if (f)
return f;
- String s = _f("Can't find default font `%s\', giving up.", default_font_sz_);
- s += String ("\n") + _f ("search path = %s", search_path_.str ());
- error (s);
+ error (_f ("Can't find default font: `%s'", default_font_sz_));
+ error (_f ("(search path: `%s'", search_path_.str ()));
+ error (_ ("Giving up"));
+
+ return 0;
}
+
+SCM
+All_font_metrics::font_descriptions () const
+{
+ SCM l[] = {0,0,0};
+
+ l[0] = afm_p_dict_.to_alist ();
+ l[1] = tfm_p_dict_.to_alist ();
+ l[2] = scaled_p_dict_.to_alist ();
+
+ SCM list = SCM_EOL;
+ for (int i=0; i < 3; i++)
+ {
+ for (SCM s = l[i]; gh_pair_p (s); s = gh_cdr (s))
+ {
+ Font_metric * fm = unsmob_metrics (gh_cdar (s));
+
+ list = gh_cons (fm->description (), list);
+ }
+ }
+ return list;
+}
+
+Font_metric *
+unsmob_metrics( SCM s)
+{
+ if (SMOB_IS_TYPE_B(Font_metric, s))
+ return SMOB_TO_TYPE(Font_metric, s);
+ else
+ return 0;
+}
+
+#include "ly-smobs.icc"
+IMPLEMENT_SMOBS(Font_metric);