2 all-font-metrics.cc -- implement All_font_metrics
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "all-font-metrics.hh"
11 #include "open-type-font.hh"
17 #include "scm-hash.hh"
20 static char const *default_font_str0_ = "cmr10";
22 All_font_metrics::All_font_metrics (String path)
24 afm_p_dict_ = new Scheme_hash_table;
25 tfm_p_dict_ = new Scheme_hash_table;
26 otf_p_dict_ = new Scheme_hash_table;
28 search_path_.parse_path (path);
31 All_font_metrics::~All_font_metrics ()
33 scm_gc_unprotect_object (afm_p_dict_->self_scm ());
34 scm_gc_unprotect_object (tfm_p_dict_->self_scm ());
35 scm_gc_unprotect_object (otf_p_dict_->self_scm ());
38 All_font_metrics::All_font_metrics (All_font_metrics const&)
43 TODO: our AFM handling is broken: the units in an AFM file are
44 relative to the design size (1000 units = 1 designsize). Hence we
45 should include design size when generating an AFM metric.
47 ugr: copied from find_tfm.
50 All_font_metrics::find_afm (String name)
52 SCM sname = ly_symbol2scm (name.to_str0 ());
53 SCM name_string = scm_makfrom0str (name.to_str0 ());
55 if (!afm_p_dict_->try_retrieve (sname, &val))
59 if (file_name.is_empty ())
60 file_name = search_path_.find (name + ".afm");
62 if (file_name.is_empty ())
64 String p = kpathsea_find_afm (name.to_str0 ());
69 if (file_name.is_empty ())
73 progress_indication ("[" + file_name);
74 val = read_afm_file (file_name);
75 unsmob_metrics (val)->file_name_ = file_name;
77 unsmob_metrics (val)->description_ = scm_cons (name_string,
81 progress_indication ("]");
83 afm_p_dict_->set (sname, val);
84 scm_gc_unprotect_object (val);
86 Adobe_font_metric *afm
87 = dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
89 /* Only check checksums if there is one. We take the risk that
90 some file has valid checksum 0 */
93 Tex_font_metric * tfm = find_tfm (name);
95 /* FIXME: better warning message
96 (maybe check upon startup for feta16.afm, feta16.tfm?) */
97 if (tfm && tfm->info_.checksum != afm->checksum_)
99 // FIXME: broken sentence
100 String s = _f ("checksum mismatch for font file: `%s'",
101 file_name.to_str0 ());
102 s += " " + _f ("does not match: `%s'",
103 tfm->file_name_.to_str0 ());
105 s += " TFM: " + to_string ((int) tfm->info_.checksum);
106 s += " AFM: " + to_string ((int) afm->checksum_);
108 s += _ ("Rebuild all .afm files, and remove all .pk and .tfm files.");
110 s += _ ("Rerun with -V to show font paths.");
112 s += _("A script for removing font-files is delivered with the source-code:");
114 s += "buildscripts/clean-fonts.sh";
120 return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
124 All_font_metrics::find_otf (String name)
126 SCM sname = ly_symbol2scm (name.to_str0 ());
127 SCM name_string = scm_makfrom0str (name.to_str0 ());
129 if (!otf_p_dict_->try_retrieve (sname, &val))
133 if (file_name.is_empty ())
134 file_name = search_path_.find (name + ".otf");
135 if (file_name.is_empty ())
138 if (verbose_global_b)
139 progress_indication ("[" + file_name);
141 val = Open_type_font::make_otf (file_name);
143 if (verbose_global_b)
144 progress_indication ("]");
146 unsmob_metrics (val)->file_name_ = file_name;
147 unsmob_metrics (val)->description_ = scm_cons (name_string,
148 scm_make_real (1.0));
149 otf_p_dict_->set (sname, val);
150 scm_gc_unprotect_object (val);
153 return dynamic_cast<Open_type_font*> (unsmob_metrics (val));
157 All_font_metrics::find_tfm (String name)
159 SCM sname = ly_symbol2scm (name.to_str0 ());
160 SCM name_string = scm_makfrom0str (name.to_str0 ());
162 if (!tfm_p_dict_->try_retrieve (sname, &val))
166 if (file_name.is_empty ())
168 /* FIXME: should add "cork-" prefix to lm* fonts. How to do
170 String p = kpathsea_find_tfm (name.to_str0 ());
175 if (file_name.is_empty ())
176 file_name = search_path_.find (name + ".tfm");
177 if (file_name.is_empty ())
180 if (verbose_global_b)
181 progress_indication ("[" + file_name);
183 val = Tex_font_metric::make_tfm (file_name);
185 if (verbose_global_b)
186 progress_indication ("]");
188 unsmob_metrics (val)->file_name_ = file_name;
189 unsmob_metrics (val)->description_ = scm_cons (name_string,
190 scm_make_real (1.0));
191 tfm_p_dict_->set (sname, val);
192 scm_gc_unprotect_object (val);
195 return dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
199 All_font_metrics::find_font (String name)
201 Font_metric *f = find_otf (name);
204 (name.left_string (4) == "feta"
205 || name.left_string (8) == "parmesan"
206 || name.left_string (2) == "lm"))
221 warning (_f ("can't find font: `%s'", name.to_str0 ()));
222 warning (_ ("Loading default font"));
225 String def_name = default_font_str0_;
227 /* We're in emergency recovery mode here anyway, so don't try to do
228 anything smart that runs the risk of failing. */
230 f = find_afm (def_name);
233 f = find_tfm (def_name);
237 error (_f ("can't find default font: `%s'", def_name.to_str0 ()));
238 error (_f ("(search path: `%s')", search_path_.to_string ()));
239 error (_ ("Giving up"));
245 All_font_metrics *all_fonts_global;
248 LY_DEFINE (ly_font_load, "ly:font-load", 1, 0, 0,
250 "Load the font @var{name}. ")
252 SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
254 Font_metric *fm = all_fonts_global->find_font (ly_scm2string (name));
256 return fm->self_scm ();