-/*
+/*
+
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>
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "config.h"
#include "main.hh"
#include "all-font-metrics.hh"
-#include "debug.hh"
+
#include "warn.hh"
#include "afm.hh"
#include "tfm.hh"
#include "scm-hash.hh"
#include "kpath.hh"
-
-
-
-
-const char * default_font_sz_ = "cmr10";
+static const char * default_font_str0_ = "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 ());
+ scm_gc_unprotect_object (afm_p_dict_->self_scm ());
+ scm_gc_unprotect_object (tfm_p_dict_->self_scm ());
}
+/*
+ TODO: our AFM handling is broken: the units in an AFM file are
+ relative to the design size (1000 units = 1 designsize). Hence we
+ should include design size when generating an AFM metric.
+ */
Adobe_font_metric *
All_font_metrics::find_afm (String name)
{
- SCM sname = ly_symbol2scm (name.ch_C ());
+ SCM sname = ly_symbol2scm (name.to_str0 ());
+
+ SCM name_string = scm_makfrom0str (name.to_str0 ());
SCM val;
- if (!afm_p_dict_->try_retrieve (sname, &val))
+ if (!afm_p_dict_->try_retrieve (sname, &val))
{
String path;
- if (path.empty_b())
+ if (path.is_empty ())
path = search_path_.find (name + ".afm");
- if (path.empty_b ())
+ if (path.is_empty ())
{
- char * p = ly_find_afm (name.ch_C());
- if (p)
+ String p = kpathsea_find_afm (name.to_str0 ());
+ if (p.length ())
path = p;
}
- if (path.empty_b())
+ if (path.is_empty ())
return 0;
if (verbose_global_b)
progress_indication ("[" + path);
val = read_afm_file (path);
-
- unsmob_metrics (val)->name_ = sname;
+ unsmob_metrics (val)->path_ = path;
+
+ unsmob_metrics (val)->description_ = gh_cons (name_string, gh_double2scm (1.0));
if (verbose_global_b)
progress_indication ("]");
afm_p_dict_->set (sname,val);
-
- }
-
- return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
-}
+ scm_gc_unprotect_object (val);
-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 ());
- SCM val;
+ Adobe_font_metric *afm
+ = dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
- if (!scaled_p_dict_->try_retrieve (sname, &val))
- {
- Font_metric *f = find_font (nm);
- val = Scaled_font_metric::make_scaled_font_metric (f, m);
- scaled_p_dict_->set (sname, val);
+ /*
+ only check checksums if there is one. We take the risk that
+ some file has valid checksum 0
+ */
+ if (afm->checksum_)
+ {
+ Tex_font_metric * tfm = find_tfm (name);
+
+ /* FIXME: better warning message
+ (maybe check upon startup for feta16.afm, feta16.tfm?)
+ */
+ if (tfm && tfm->info_.checksum != afm->checksum_)
+ {
+ String s = _f ("checksum mismatch for font file: `%s'",
+ path.to_str0 ());
+ s += " " + _f ("does not match: `%s'", tfm->path_.to_str0 ()); // FIXME
+ s += "\n";
+ s += " TFM: " + to_string ((int) tfm->info_.checksum);
+ s += " AFM: " + to_string ((int) afm->checksum_);
+ s += "\n";
+ s += _ (" Rebuild all .afm files, and remove all .pk and .tfm files.\nRerun with -V to show font paths.\n");
+ s += _("A script for removing font-files is delivered with the source-code,\n"
+ "in buildscripts/clean-fonts.sh");
+ error (s);
+ }
+ }
}
-
- return dynamic_cast<Scaled_font_metric*> (unsmob_metrics (val));
+ return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
}
+
Tex_font_metric *
All_font_metrics::find_tfm (String name)
{
- SCM sname = ly_symbol2scm (name.ch_C ());
+ SCM sname = ly_symbol2scm (name.to_str0 ());
+ SCM name_string = scm_makfrom0str (name.to_str0 ());
SCM val;
if (!tfm_p_dict_->try_retrieve (sname, &val))
{
String path;
- if (path.empty_b())
+ if (path.is_empty ())
{
- char * p = ly_find_tfm (name.ch_C());
- if (p)
+ String p = kpathsea_find_tfm (name.to_str0 ());
+ if (p.length ())
path = p;
}
- if (path.empty_b())
+ if (path.is_empty ())
path = search_path_.find (name + ".tfm");
- if (path.empty_b())
+ if (path.is_empty ())
return 0;
if (verbose_global_b)
progress_indication ("[" + path);
+
val = Tex_font_metric::make_tfm (path);
+
if (verbose_global_b)
progress_indication ("]");
- unsmob_metrics (val)->name_ = sname;
+ unsmob_metrics (val)->path_ = path;
+ unsmob_metrics (val)->description_ = gh_cons (name_string, gh_double2scm (1.0));
tfm_p_dict_->set (sname, val);
+
+ scm_gc_unprotect_object (val);
}
-
+
return
dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
}
+
Font_metric *
All_font_metrics::find_font (String name)
{
- Font_metric * f=0;
-
- f= find_afm (name);
- if (f)
- return f;
-
- f = find_tfm (name);
- if (f)
- return f;
+ if ((name.left_string (4) == "feta") ||
+ (name.left_string (8) == "parmesan"))
+ {
+ Font_metric * f = find_afm (name);
+ if (f)
+ return f;
+ else
+ f =find_tfm (name);
+ if (f)
+ return f ;
+ }
+ else
+ {
+ Font_metric * f = find_tfm (name);
+ if (f)
+ return f;
+ else
+ f =find_afm (name);
+ if (f)
+ return f ;
+ }
- warning (_f ("can't find font: `%s'", name.ch_C ()));
+ warning (_f ("can't find font: `%s'", name.to_str0 ()));
warning (_ ("Loading default font"));
- String def_name = default_font_sz_;
- SCM l = scm_assoc (ly_str02scm ("default"),
- scm_eval2 (ly_symbol2scm ("cmr-alist"), SCM_EOL));
-
- if (l != SCM_BOOL_F)
- def_name = ly_scm2string (gh_cdr (l));
+ String def_name = default_font_str0_;
- f= find_afm (def_name);
+ /*
+ we're in emergency recovery mode here anyway, so don't try to do
+ anything smart that runs the risk of failing. */
+ Font_metric* f= find_afm (def_name);
if (f)
return f;
if (f)
return f;
- error (_f ("can't find default font: `%s'", def_name.ch_C ()));
- error (_f ("(search path: `%s')", search_path_.str ()));
+ error (_f ("can't find default font: `%s'", def_name.to_str0 ()));
+ error (_f ("(search path: `%s')", search_path_.to_string ()));
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);
-}