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>
12 #include "all-font-metrics.hh"
17 #include "lily-guile.hh"
18 #include "scm-hash.hh"
25 const char * default_font_sz_ = "cmr10";
27 All_font_metrics::All_font_metrics (String path)
29 afm_p_dict_ = new Scheme_hash_table;
30 tfm_p_dict_ = new Scheme_hash_table;
31 scaled_p_dict_ = new Scheme_hash_table;
33 search_path_.parse_path (path);
36 All_font_metrics::~All_font_metrics ()
38 scm_unprotect_object (afm_p_dict_->self_scm ());
39 scm_unprotect_object (tfm_p_dict_->self_scm ());
40 scm_unprotect_object (scaled_p_dict_->self_scm ());
44 All_font_metrics::find_afm (String name)
46 SCM sname = ly_symbol2scm (name.ch_C ());
50 if (!afm_p_dict_->try_retrieve (sname, &val))
55 path = search_path_.find (name + ".afm");
59 char * p = ly_find_afm (name.ch_C());
68 progress_indication ("[" + path);
69 val = read_afm_file (path);
71 unsmob_metrics (val)->name_ = sname;
74 progress_indication ("]");
76 afm_p_dict_->set (sname,val);
78 scm_unprotect_object (val);
81 return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
85 All_font_metrics::find_scaled (String nm, Real m)
87 String index = nm + "@" + to_str (m);
88 SCM sname = ly_symbol2scm (index.ch_C ());
92 if (!scaled_p_dict_->try_retrieve (sname, &val))
94 Font_metric *f = find_font (nm);
95 val = Scaled_font_metric::make_scaled_font_metric (f, m);
96 scaled_p_dict_->set (sname, val);
98 scm_unprotect_object (val);
101 return dynamic_cast<Scaled_font_metric*> (unsmob_metrics (val));
105 All_font_metrics::find_tfm (String name)
107 SCM sname = ly_symbol2scm (name.ch_C ());
110 if (!tfm_p_dict_->try_retrieve (sname, &val))
116 char * p = ly_find_tfm (name.ch_C());
122 path = search_path_.find (name + ".tfm");
126 if (verbose_global_b)
127 progress_indication ("[" + path);
128 val = Tex_font_metric::make_tfm (path);
129 if (verbose_global_b)
130 progress_indication ("]");
132 unsmob_metrics (val)->name_ = sname;
133 tfm_p_dict_->set (sname, val);
135 scm_unprotect_object (val);
139 dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
144 All_font_metrics::find_font (String name)
156 warning (_f ("can't find font: `%s'", name.ch_C ()));
157 warning (_ ("Loading default font"));
159 String def_name = default_font_sz_;
160 SCM l = scm_assoc (ly_str02scm ("default"),
161 scm_eval2 (ly_symbol2scm ("cmr-alist"), SCM_EOL));
164 def_name = ly_scm2string (gh_cdr (l));
166 f= find_afm (def_name);
170 f = find_tfm (def_name);
174 error (_f ("can't find default font: `%s'", def_name.ch_C ()));
175 error (_f ("(search path: `%s')", search_path_.str ()));
176 error (_ ("Giving up"));
182 All_font_metrics::font_descriptions () const
186 l[0] = afm_p_dict_->to_alist ();
187 l[1] = tfm_p_dict_->to_alist ();
188 l[2] = scaled_p_dict_->to_alist ();
191 for (int i=0; i < 3; i++)
193 for (SCM s = l[i]; gh_pair_p (s); s = gh_cdr (s))
195 Font_metric * fm = unsmob_metrics (gh_cdar (s));
197 list = gh_cons (fm->description (), list);
206 find_font (String name)
208 return all_fonts_global_p->find_font (name);