-/*
+/*
+
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 "config.hh"
#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"
-static const char * default_font_sz_ = "cmr10";
+static const char *default_font_str0_ = "cmr10";
All_font_metrics::All_font_metrics (String path)
{
All_font_metrics::~All_font_metrics ()
{
- scm_unprotect_object (afm_p_dict_->self_scm ());
- scm_unprotect_object (tfm_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.
+
+ ugr: copied from find_tfm.
+ */
Adobe_font_metric *
All_font_metrics::find_afm (String name)
{
- SCM sname = ly_symbol2scm (name.ch_C ());
-
- SCM name_str = ly_str02scm (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;
+ String filename;
- if (path.empty_b())
- path = search_path_.find (name + ".afm");
+ if (filename.is_empty ())
+ filename = search_path_.find (name + ".afm");
- if (path.empty_b ())
+ if (filename.is_empty ())
{
- char * p = ly_find_afm (name.ch_C());
- if (p)
- path = p;
+ String p = kpathsea_find_afm (name.to_str0 ());
+ if (p.length ())
+ filename = p;
}
- if (path.empty_b())
+ if (filename.is_empty ())
return 0;
if (verbose_global_b)
- progress_indication ("[" + path);
- val = read_afm_file (path);
- unsmob_metrics (val)->path_ = path;
+ progress_indication ("[" + filename);
+ val = read_afm_file (filename);
+ unsmob_metrics (val)->filename_ = filename;
- unsmob_metrics (val)->description_ = gh_cons (name_str, gh_double2scm (1.0));
+ 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_unprotect_object (val);
-
+ afm_p_dict_->set (sname, val);
+ scm_gc_unprotect_object (val);
Adobe_font_metric *afm
- = dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val) );
- Tex_font_metric * tfm = find_tfm (name);
+ = dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
- if (tfm->info_.checksum != afm->checksum_)
+ /* Only check checksums if there is one. We take the risk that
+ some file has valid checksum 0 */
+ if (afm->checksum_)
{
- String s = _f ("checksum mismatch for font file: `%s'",
- path.ch_C ());
- s += " " + _f ("does not match: `%s'", tfm->path_.ch_C()); // FIXME
- s += "\n";
- s += " TFM: " + to_str ((int) tfm->info_.checksum);
- s += " AFM: " + to_str ((int) afm->checksum_);
- s += "\n";
- s += _(" Rebuild all .afm files, and remove all .pk and .tfm files. Rerun with -V to show font paths.");
-
- error (s);
+ 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);
+ }
}
}
}
-Tex_font_metric *
+Tex_font_metric*
All_font_metrics::find_tfm (String name)
{
- SCM sname = ly_symbol2scm (name.ch_C ());
- SCM name_str = ly_str02scm (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;
+ String filename;
- if (path.empty_b())
+ if (filename.is_empty ())
{
- char * p = ly_find_tfm (name.ch_C());
- if (p)
- path = p;
+ String p = kpathsea_find_tfm (name.to_str0 ());
+ if (p.length ())
+ filename = p;
}
- if (path.empty_b())
- path = search_path_.find (name + ".tfm");
- if (path.empty_b())
+ if (filename.is_empty ())
+ filename = search_path_.find (name + ".tfm");
+ if (filename.is_empty ())
return 0;
-
if (verbose_global_b)
- progress_indication ("[" + path);
- val = Tex_font_metric::make_tfm (path);
+ progress_indication ("[" + filename);
+
+ val = Tex_font_metric::make_tfm (filename);
if (verbose_global_b)
progress_indication ("]");
- unsmob_metrics (val)->path_ = path;
- unsmob_metrics (val)->description_ = gh_cons (name_str, gh_double2scm (1.0));
+ 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_unprotect_object (val);
+ scm_gc_unprotect_object (val);
}
- return
- dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
+ return dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
}
-
-Font_metric *
+Font_metric*
All_font_metrics::find_font (String name)
{
- Font_metric * 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_;
+ String def_name = default_font_str0_;
/*
we're in emergency recovery mode here anyway, so don't try to do
anything smart that runs the risk of failing. */
- f= find_afm (def_name);
+ 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;
}
+All_font_metrics *all_fonts_global;
+
+
+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));
+
+ return fm->self_scm ();
+}