2 all-font-metrics.cc -- implement All_font_metrics
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "all-font-metrics.hh"
16 #include "lily-guile.hh"
17 #include "tfm-reader.hh"
19 const char * default_font_sz_ = "cmr10";
21 All_font_metrics::All_font_metrics (String path)
23 search_path_.parse_path (path);
27 All_font_metrics::find_afm (String name)
29 SCM sname = ly_symbol2scm (name.ch_C ());
30 if (!afm_p_dict_.elem_b (sname))
32 String path = name + ".afm";
33 path = search_path_.find (path);
36 progress_indication ("[" + path);
37 Adobe_font_metric * afm_p = read_afm_file (path);
39 afm_p->name_ = ly_symbol2scm (name.ch_C ());
40 progress_indication ("]");
42 afm_p_dict_.set (sname,afm_p->self_scm_);
45 return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (afm_p_dict_.get (sname)));
49 All_font_metrics::find_scaled (String nm, int m)
51 Scaled_font_metric * s=0;
52 String index = nm + "@" + to_str (m);
53 SCM sname = ly_symbol2scm (index.ch_C ());
56 if (!scaled_p_dict_.elem_b (sname))
58 Font_metric *f = find_font (nm);
59 s = new Scaled_font_metric (f, m);
60 scaled_p_dict_.set (sname, s->self_scm_);
64 fm = unsmob_metrics (scaled_p_dict_.get (sname));
66 return dynamic_cast<Scaled_font_metric*> (fm);
70 All_font_metrics::find_tfm (String name)
72 SCM sname = ly_symbol2scm (name.ch_C ());
73 if (!tfm_p_dict_.elem_b (sname))
75 String path = name + ".tfm";
76 path = search_path_.find (path);
79 progress_indication ("[" + path);
80 Tex_font_metric * tfm_p = Tex_font_metric_reader::read_file (path);
81 tfm_p->name_ = ly_symbol2scm (name.ch_C( ));
82 progress_indication ("]");
84 tfm_p_dict_.set (sname, tfm_p->self_scm_);
88 dynamic_cast<Tex_font_metric*> (unsmob_metrics (tfm_p_dict_.get(sname)));
93 All_font_metrics::find_font (String name)
104 warning (_f ("can't find font: `%s'", name.ch_C ()));
105 warning (_ ("Loading default font"));
107 String def_name = default_font_sz_;
108 SCM l = ly_eval_str ("(style-to-cmr \"default\")");
110 def_name = ly_scm2string (gh_cdr (l));
112 f = find_tfm (def_name);
116 f= find_afm (def_name);
120 error (_f ("can't find default font: `%s'", def_name.ch_C ()));
121 error (_f ("(search path: `%s')", search_path_.str ()));
122 error (_ ("Giving up"));
128 All_font_metrics::font_descriptions () const
132 l[0] = afm_p_dict_.to_alist ();
133 l[1] = tfm_p_dict_.to_alist ();
134 l[2] = scaled_p_dict_.to_alist ();
137 for (int i=0; i < 3; i++)
139 for (SCM s = l[i]; gh_pair_p (s); s = gh_cdr (s))
141 Font_metric * fm = unsmob_metrics (gh_cdar (s));
143 list = gh_cons (fm->description (), list);
152 find_font (String name)
154 return all_fonts_global_p->find_font (name);