-/*
+/*
+
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.hh"
#include "main.hh"
#include "all-font-metrics.hh"
-#include "debug.hh"
#include "warn.hh"
#include "afm.hh"
#include "tfm.hh"
#include "lily-guile.hh"
-#include "tfm-reader.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;
+
search_path_.parse_path (path);
}
+All_font_metrics::~All_font_metrics ()
+{
+ 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.
+
+ ugr: copied from find_tfm.
+ */
Adobe_font_metric *
All_font_metrics::find_afm (String name)
{
- SCM sname = ly_symbol2scm (name.ch_C ());
- if (!afm_p_dict_.elem_b (sname))
+ 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))
{
- String path = name + ".afm";
- path = search_path_.find (path);
- if (path.empty_b ())
- return 0;
- progress_indication ("[" + path);
- Adobe_font_metric * afm_p = read_afm_file (path);
+ String filename;
+
+ if (filename.is_empty ())
+ filename = search_path_.find (name + ".afm");
- afm_p->name_ = ly_symbol2scm (name.ch_C ());
- progress_indication ("]");
+ if (filename.is_empty ())
+ {
+ String p = kpathsea_find_afm (name.to_str0 ());
+ if (p.length ())
+ filename = p;
+ }
- afm_p_dict_.set (sname,afm_p->self_scm_);
+ if (filename.is_empty ())
+ return 0;
+
+ if (verbose_global_b)
+ progress_indication ("[" + filename);
+ val = read_afm_file (filename);
+ unsmob_metrics (val)->filename_ = filename;
+
+ unsmob_metrics (val)->description_ = scm_cons (name_string,
+ scm_make_real (1.0));
+
+ if (verbose_global_b)
+ progress_indication ("]");
+
+ afm_p_dict_->set (sname, val);
+ scm_gc_unprotect_object (val);
+
+ Adobe_font_metric *afm
+ = dynamic_cast<Adobe_font_metric*> (unsmob_metrics (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_)
+ {
+ // FIXME: broken sentence
+ String s = _f ("checksum mismatch for font file: `%s'",
+ filename.to_str0 ());
+ s += " " + _f ("does not match: `%s'",
+ tfm->filename_.to_str0 ());
+ 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.");
+ s += "\n";
+ s += _ ("Rerun with -V to show font paths.");
+ s += "\n";
+ s += _("A script for removing font-files is delivered with the source-code:");
+ s += "\n";
+ s += "buildscripts/clean-fonts.sh";
+ error (s);
+ }
+ }
}
- return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (afm_p_dict_.get (sname)));
+ return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
}
-Scaled_font_metric *
-All_font_metrics::find_scaled (String nm, int m)
-{
- Scaled_font_metric * s=0;
- 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);
- s = new Scaled_font_metric (f, m);
- scaled_p_dict_.set (sname, s->self_scm_);
- fm = s;
- }
- else
- fm = unsmob_metrics (scaled_p_dict_.get (sname));
-
- return dynamic_cast<Scaled_font_metric*> (fm);
-}
-Tex_font_metric *
+Tex_font_metric*
All_font_metrics::find_tfm (String name)
{
- SCM sname = ly_symbol2scm (name.ch_C ());
- if (!tfm_p_dict_.elem_b (sname))
+ 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 = name + ".tfm";
- path = search_path_.find (path);
- if (path.empty_b ())
+ String filename;
+
+ if (filename.is_empty ())
+ {
+ String p = kpathsea_find_tfm (name.to_str0 ());
+ if (p.length ())
+ filename = p;
+ }
+
+ if (filename.is_empty ())
+ filename = search_path_.find (name + ".tfm");
+ if (filename.is_empty ())
return 0;
- progress_indication ("[" + path);
- Tex_font_metric * tfm_p = Tex_font_metric_reader::read_file (path);
- tfm_p->name_ = ly_symbol2scm (name.ch_C( ));
- progress_indication ("]");
- tfm_p_dict_.set (sname, tfm_p->self_scm_);
+ if (verbose_global_b)
+ progress_indication ("[" + filename);
+
+ val = Tex_font_metric::make_tfm (filename);
+
+ if (verbose_global_b)
+ progress_indication ("]");
+
+ unsmob_metrics (val)->filename_ = filename;
+ unsmob_metrics (val)->description_ = scm_cons (name_string,
+ scm_make_real (1.0));
+ tfm_p_dict_->set (sname, val);
+ scm_gc_unprotect_object (val);
}
-
- return
- dynamic_cast<Tex_font_metric*> (unsmob_metrics (tfm_p_dict_.get(sname)));
-}
+ return dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
+}
-Font_metric *
+Font_metric*
All_font_metrics::find_font (String name)
{
- Font_metric * f=0;
- f = find_tfm (name);
- if (f)
- return f;
-
- f= find_afm (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_eval (gh_list (ly_symbol2scm ("style-to-cmr"),
- ly_str02scm ("default"),
- SCM_UNDEFINED));
-
- if (l != SCM_BOOL_F)
- def_name = ly_scm2string (gh_cdr (l));
+ String def_name = default_font_str0_;
- f = find_tfm (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;
- f= find_afm (def_name);
+ f = find_tfm (def_name);
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};
+All_font_metrics *all_fonts_global;
- 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;
-}
+LY_DEFINE (ly_font_load, "ly:font-load", 1, 0, 0,
+ (SCM name),
+ "Load the font @var{name}. ")
+{
+ SCM_ASSERT_TYPE (ly_c_string_p (name), name, SCM_ARG1, __FUNCTION__, "string");
+ Font_metric * fm = all_fonts_global->find_font (ly_scm2string (name));
-Font_metric*
-find_font (String name)
-{
- return all_fonts_global_p->find_font (name);
+ return fm->self_scm ();
}
+
projects / lilypond.git / blobdiff