/*
-
- all-font-metrics.cc -- implement All_font_metrics
-
+ all-font-metrics.cc -- implement All_font_metrics
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "config.h"
-#include "main.hh"
+ (c) 1999--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
#include "all-font-metrics.hh"
-#include "warn.hh"
-#include "afm.hh"
-#include "tfm.hh"
-#include "lily-guile.hh"
+#include "international.hh"
+#include "main.hh"
+#include "open-type-font.hh"
+#include "pango-font.hh"
#include "scm-hash.hh"
-#include "kpath.hh"
+#include "tfm.hh"
+#include "warn.hh"
-static const char * default_font_str0_ = "cmr10";
+static char const *default_font_str0_ = "cmr10";
-All_font_metrics::All_font_metrics (String path)
+All_font_metrics::All_font_metrics (string path)
{
- afm_p_dict_ = new Scheme_hash_table;
- tfm_p_dict_ = new Scheme_hash_table;
-
+ tfm_dict_ = new Scheme_hash_table;
+ otf_dict_ = new Scheme_hash_table;
+
+#if HAVE_PANGO_FT2
+ PangoFontMap *pfm = pango_ft2_font_map_new ();
+
+ pango_ft2_fontmap_
+ = G_TYPE_CHECK_INSTANCE_CAST (pfm,
+ PANGO_TYPE_FT2_FONT_MAP,
+ PangoFT2FontMap);
+ pango_dpi_ = 1200;
+ pango_ft2_font_map_set_resolution (pango_ft2_fontmap_,
+ pango_dpi_, pango_dpi_);
+
+ pango_dict_ = new Scheme_hash_table;
+#endif
+
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 ());
+ tfm_dict_->unprotect ();
+ otf_dict_->unprotect ();
+
+#if HAVE_PANGO_FT2
+ pango_dict_->unprotect ();
+ g_object_unref (pango_ft2_fontmap_);
+#endif
}
-/*
- 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)
+All_font_metrics::All_font_metrics (All_font_metrics const &)
{
- SCM sname = ly_symbol2scm (name.to_str0 ());
+}
- SCM name_string = scm_makfrom0str (name.to_str0 ());
+#if HAVE_PANGO_FT2
- SCM val;
-
- if (!afm_p_dict_->try_retrieve (sname, &val))
- {
- String path;
+Pango_font *
+All_font_metrics::find_pango_font (PangoFontDescription *description,
+ Real magnification,
+ Real output_scale
+ )
+{
+ pango_font_description_set_size (description,
+ gint (magnification *
+ pango_font_description_get_size (description)));
- if (path.is_empty ())
- path = search_path_.find (name + ".afm");
+ gchar *pango_fn = pango_font_description_to_filename (description);
+ SCM key = ly_symbol2scm (pango_fn);
- if (path.is_empty ())
- {
- String p = kpathsea_find_afm (name.to_str0 ());
- if (p.length ())
- path = p;
- }
+ SCM val;
+ if (!pango_dict_->try_retrieve (key, &val))
+ {
+ if (be_verbose_global)
+ progress_indication ("[" + string (pango_fn));
- if (path.is_empty ())
- return 0;
-
- if (verbose_global_b)
- progress_indication ("[" + path);
- val = read_afm_file (path);
- unsmob_metrics (val)->path_ = path;
+ Pango_font *pf = new Pango_font (pango_ft2_fontmap_,
+ description,
+ output_scale
+ );
- unsmob_metrics (val)->description_ = gh_cons (name_string, gh_double2scm (1.0));
+ val = pf->self_scm ();
+ pango_dict_->set (key, val);
+ pf->unprotect ();
- if (verbose_global_b)
+ if (be_verbose_global)
progress_indication ("]");
- afm_p_dict_->set (sname,val);
+ pf->description_ = scm_cons (SCM_BOOL_F,
+ scm_from_double (1.0));
+ }
+ g_free (pango_fn);
+ return dynamic_cast<Pango_font *> (unsmob_metrics (val));
+}
- scm_gc_unprotect_object (val);
+#endif
+string
+kpathsea_find_file (string name, string ext)
+{
+ name += "." + ext;
+ string path = global_path.find (name);
+ if (path.length () > 0)
+ return path;
- Adobe_font_metric *afm
- = dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
+ static SCM proc;
+ if (!proc)
+ {
+ SCM module = scm_c_resolve_module ("scm kpathsea");
+ proc = scm_c_module_lookup (module, "ly:kpathsea-find-file");
+ proc = scm_variable_ref (proc);
+ }
- /*
- 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);
- }
- }
+ if (ly_is_procedure (proc))
+ {
+ SCM kp_result = scm_call_1 (proc, scm_makfrom0str (name.c_str ()));
+ if (scm_is_string (kp_result))
+ return ly_scm2string (kp_result);
}
-
- return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (val));
+
+ return "";
}
+Open_type_font *
+All_font_metrics::find_otf (string name)
+{
+ SCM sname = ly_symbol2scm (name.c_str ());
+ SCM name_string = scm_makfrom0str (name.c_str ());
+ SCM val;
+ if (!otf_dict_->try_retrieve (sname, &val))
+ {
+ string file_name;
+
+ if (file_name.empty ())
+ file_name = search_path_.find (name + ".otf");
+ if (file_name.empty ())
+ return 0;
+
+ if (be_verbose_global)
+ progress_indication ("[" + file_name);
+
+ val = Open_type_font::make_otf (file_name);
+
+ if (be_verbose_global)
+ progress_indication ("]");
+
+ unsmob_metrics (val)->file_name_ = file_name;
+ unsmob_metrics (val)->description_ = scm_cons (name_string,
+ scm_from_double (1.0));
+ otf_dict_->set (sname, val);
+ unsmob_metrics (val)->unprotect ();
+ }
+
+ return dynamic_cast<Open_type_font *> (unsmob_metrics (val));
+}
Tex_font_metric *
-All_font_metrics::find_tfm (String name)
+All_font_metrics::find_tfm (string name)
{
- SCM sname = ly_symbol2scm (name.to_str0 ());
- SCM name_string = scm_makfrom0str (name.to_str0 ());
-
+ SCM sname = ly_symbol2scm (name.c_str ());
+ SCM name_string = scm_makfrom0str (name.c_str ());
SCM val;
- if (!tfm_p_dict_->try_retrieve (sname, &val))
+ if (!tfm_dict_->try_retrieve (sname, &val))
{
- String path;
-
- if (path.is_empty ())
+ string file_name;
+
+ if (file_name.empty ())
{
- String p = kpathsea_find_tfm (name.to_str0 ());
+ /* FIXME: should add "cork-" prefix to lm* fonts. How to do
+ that, cleanly? */
+ string p = kpathsea_find_file (name, "tfm");
if (p.length ())
- path = p;
+ file_name = p;
}
- if (path.is_empty ())
- path = search_path_.find (name + ".tfm");
- if (path.is_empty ())
+ if (file_name.empty ())
+ file_name = search_path_.find (name + ".tfm");
+ if (file_name.empty ())
return 0;
- if (verbose_global_b)
- progress_indication ("[" + path);
-
- val = Tex_font_metric::make_tfm (path);
+ if (be_verbose_global)
+ progress_indication ("[" + file_name);
- if (verbose_global_b)
- progress_indication ("]");
+ val = Tex_font_metric::make_tfm (file_name);
- unsmob_metrics (val)->path_ = path;
- unsmob_metrics (val)->description_ = gh_cons (name_string, gh_double2scm (1.0));
- tfm_p_dict_->set (sname, val);
+ if (be_verbose_global)
+ progress_indication ("]");
- scm_gc_unprotect_object (val);
+ unsmob_metrics (val)->file_name_ = file_name;
+ unsmob_metrics (val)->description_ = scm_cons (name_string,
+ scm_from_double (1.0));
+ tfm_dict_->set (sname, val);
+ unsmob_metrics (val)->unprotect ();
}
- return
- dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
+ return dynamic_cast<Tex_font_metric *> (unsmob_metrics (val));
}
-
-
Font_metric *
-All_font_metrics::find_font (String name)
+All_font_metrics::find_font (string name)
{
- if ((name.left_string (4) == "feta") ||
- (name.left_string (8) == "parmesan"))
+ Font_metric *f = find_otf (name);
+
+ if (!f)
+ {
+ f = find_tfm (name);
+ }
+
+ if (!f)
{
- Font_metric * f = find_afm (name);
- if (f)
- return f;
- else
- f =find_tfm (name);
- if (f)
- return f ;
+ warning (_f ("can't find font: `%s'", name.c_str ()));
+ warning (_ ("loading default font"));
}
- else
+
+ string def_name = default_font_str0_;
+
+ if (!f)
+ f = find_tfm (def_name);
+
+ if (!f)
{
- Font_metric * f = find_tfm (name);
- if (f)
- return f;
- else
- f =find_afm (name);
- if (f)
- return f ;
+ error (_f ("can't find default font: `%s'", def_name.c_str ()));
+ error (_f ("(search path: `%s')", search_path_.to_string ()));
+ error (_ ("giving up"));
}
- warning (_f ("can't find font: `%s'", name.to_str0 ()));
- warning (_ ("Loading default font"));
-
- String def_name = default_font_str0_;
+ return f;
+}
- /*
- 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;
+All_font_metrics *all_fonts_global;
- f = find_tfm (def_name);
- if (f)
- return f;
+LY_DEFINE (ly_font_load, "ly:font-load", 1, 0, 0,
+ (SCM name),
+ "Load the font @var{name}. ")
+{
+ SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
- error (_f ("can't find default font: `%s'", def_name.to_str0 ()));
- error (_f ("(search path: `%s')", search_path_.to_string ()));
- error (_ ("Giving up"));
+ Font_metric *fm = all_fonts_global->find_font (ly_scm2string (name));
- return 0;
+ return fm->self_scm ();
}
-
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