-#include "pointer.hh"
+/*
+ all-font-metrics.cc -- implement All_font_metrics
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+ */
+
+#include "config.h"
#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 "scm-hash.hh"
-const char * default_font_sz_ = "cmr10";
+#if HAVE_KPATHSEA_KPATHSEA_H
+extern "C" {
+#include <kpathsea/kpathsea.h>
+}
+#endif
+const char * default_font_sz_ = "cmr10";
All_font_metrics::All_font_metrics (String path)
{
+ afm_p_dict_ = new Scheme_hash_table;
+ tfm_p_dict_ = new Scheme_hash_table;
+ scaled_p_dict_ = new Scheme_hash_table;
+
search_path_.parse_path (path);
}
+All_font_metrics::~All_font_metrics ()
+{
+ scm_unprotect_object (afm_p_dict_->self_scm ());
+ scm_unprotect_object (tfm_p_dict_->self_scm ());
+ scm_unprotect_object (scaled_p_dict_->self_scm ());
+}
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);
+ String path;
+
+#if KPATHSEA && HAVE_KPSE_FIND_FILE
if (path.empty_b ())
+ {
+ char * p = kpse_find_file (name.ch_C(), kpse_afm_format, true);
+ if (p)
+ path = p;
+ }
+#endif
+
+ if (path.empty_b())
+ path = search_path_.find (name + ".afm");
+ if (path.empty_b())
return 0;
- *mlog << "[" << path;
- Adobe_font_metric
- * afm_p = new Adobe_font_metric (read_afm_file (path));
- *mlog << "]" << flush ;
+ if (verbose_global_b)
+ progress_indication ("[" + path);
+ SCM afm = read_afm_file (path);
+
+ unsmob_metrics (afm)->name_ = sname;
- afm_p_dict_[name] = afm_p;
+ if (verbose_global_b)
+ progress_indication ("]");
+
+ afm_p_dict_->set (sname,afm);
}
- return afm_p_dict_[name];
+
+ return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (afm_p_dict_->get (sname)));
+}
+
+Scaled_font_metric *
+All_font_metrics::find_scaled (String nm, int m)
+{
+ 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);
+ SCM s = Scaled_font_metric::make_scaled_font_metric (f, m);
+ scaled_p_dict_->set (sname, s);
+ fm = unsmob_metrics (s);
+ }
+ else
+ fm = unsmob_metrics (scaled_p_dict_->get (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;
+ String path;
- *mlog << "[" << path;
- Tex_font_metric * tfm_p = new Tex_font_metric;
- tfm_p->read_file (path);
- *mlog << "]" << flush ;
+//#if KPATHSEA && HAVE_KPSE_FIND_TFM -- urg: a macro
+#if KPATHSEA && HAVE_KPSE_FIND_FILE
+ if (path.empty_b())
+ {
+ char * p = kpse_find_tfm (name.ch_C());
+ path = p;
+ }
+#endif
+ if (path.empty_b())
+ path = search_path_.find (name + ".tfm");
+ if (path.empty_b())
+ return 0;
+
+ if (verbose_global_b)
+ progress_indication ("[" + path);
+ SCM tfm = Tex_font_metric::make_tfm (path);
+ if (verbose_global_b)
+ progress_indication ("]");
- tfm_p_dict_[name] = tfm_p;
+ Font_metric *fm = unsmob_metrics (tfm);
+ fm->name_ = sname;
+ tfm_p_dict_->set (sname, tfm);
}
- return tfm_p_dict_[name];
+
+ return
+ dynamic_cast<Tex_font_metric*> (unsmob_metrics (tfm_p_dict_->get(sname)));
}
Font_metric *
All_font_metrics::find_font (String name)
{
- Font_metric * f= find_afm (name);
+ Font_metric * f=0;
+ f = find_tfm (name);
if (f)
return f;
- f = find_tfm (name);
+ f= find_afm (name);
+ if (f)
+ return f;
+
+ warning (_f ("can't find font: `%s'", name.ch_C ()));
+ warning (_ ("Loading default font"));
+
+ String def_name = default_font_sz_;
+ SCM l = scm_assoc (ly_str02scm ("default"),
+ scm_eval (ly_symbol2scm ("cmr-alist")));
+
+ if (l != SCM_BOOL_F)
+ def_name = ly_scm2string (gh_cdr (l));
+
+ f = find_tfm (def_name);
if (f)
return f;
- f = find_tfm (default_font_sz_);
+ f= find_afm (def_name);
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'", def_name.ch_C ()));
+ 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*
+find_font (String name)
+{
+ return all_fonts_global_p->find_font (name);
}