-/*
- 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--2000 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 "debug.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 char const *default_font_str0_ = "cmr10";
+All_font_metrics::All_font_metrics (string path)
+{
+ 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_);
-const char * default_font_sz_ = "cmr10";
+ pango_dict_ = new Scheme_hash_table;
+#endif
-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 ());
+ tfm_dict_->unprotect ();
+ otf_dict_->unprotect ();
+
+#if HAVE_PANGO_FT2
+ pango_dict_->unprotect ();
+ g_object_unref (pango_ft2_fontmap_);
+#endif
+}
+
+All_font_metrics::All_font_metrics (All_font_metrics const &)
+{
}
-Adobe_font_metric *
-All_font_metrics::find_afm (String name)
+#if HAVE_PANGO_FT2
+
+Pango_font *
+All_font_metrics::find_pango_font (PangoFontDescription *description,
+ Real magnification,
+ Real output_scale
+ )
{
- SCM sname = ly_symbol2scm (name.ch_C ());
+ pango_font_description_set_size (description,
+ gint (magnification *
+ pango_font_description_get_size (description)));
+
+ gchar *pango_fn = pango_font_description_to_filename (description);
+ SCM key = ly_symbol2scm (pango_fn);
SCM val;
-
- if (!afm_p_dict_->try_retrieve (sname, &val))
+ if (!pango_dict_->try_retrieve (key, &val))
{
- String path;
+ if (be_verbose_global)
+ progress_indication ("[" + string (pango_fn));
- if (path.empty_b())
- path = search_path_.find (name + ".afm");
+ Pango_font *pf = new Pango_font (pango_ft2_fontmap_,
+ description,
+ output_scale
+ );
+
+ val = pf->self_scm ();
+ pango_dict_->set (key, val);
+ pf->unprotect ();
- if (path.empty_b ())
- {
- char * p = ly_find_afm (name.ch_C());
- if (p)
- path = p;
- }
+ if (be_verbose_global)
+ progress_indication ("]");
- if (path.empty_b())
- return 0;
-
- if (verbose_global_b)
- progress_indication ("[" + path);
- val = read_afm_file (path);
+ pf->description_ = scm_cons (SCM_BOOL_F,
+ scm_from_double (1.0));
+ }
+ g_free (pango_fn);
+ return dynamic_cast<Pango_font *> (unsmob_metrics (val));
+}
- unsmob_metrics (val)->name_ = sname;
+#endif
- if (verbose_global_b)
- progress_indication ("]");
+string
+kpathsea_find_file (string name, string ext)
+{
+ name += "." + ext;
+ string path = global_path.find (name);
+ if (path.length () > 0)
+ return path;
- afm_p_dict_->set (sname,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);
+ }
- scm_unprotect_object (val);
+ 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 "";
}
-Scaled_font_metric *
-All_font_metrics::find_scaled (String nm, Real m)
+Open_type_font *
+All_font_metrics::find_otf (string name)
{
- String index = nm + "@" + to_str (m);
- SCM sname = ly_symbol2scm (index.ch_C ());
-
+ SCM sname = ly_symbol2scm (name.c_str ());
+ SCM name_string = scm_makfrom0str (name.c_str ());
SCM val;
-
- if (!scaled_p_dict_->try_retrieve (sname, &val))
+ if (!otf_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);
+ 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);
- scm_unprotect_object (val);
+ 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<Scaled_font_metric*> (unsmob_metrics (val));
+ 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.ch_C ());
-
+ 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.empty_b())
+ string file_name;
+
+ if (file_name.empty ())
{
- char * p = ly_find_tfm (name.ch_C());
- if (p)
- path = p;
+ /* FIXME: should add "cork-" prefix to lm* fonts. How to do
+ that, cleanly? */
+ string p = kpathsea_find_file (name, "tfm");
+ if (p.length ())
+ file_name = p;
}
- if (path.empty_b())
- path = search_path_.find (name + ".tfm");
- if (path.empty_b())
+ 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 (verbose_global_b)
- progress_indication ("]");
+ if (be_verbose_global)
+ progress_indication ("[" + file_name);
- unsmob_metrics (val)->name_ = sname;
- tfm_p_dict_->set (sname, val);
+ val = Tex_font_metric::make_tfm (file_name);
- scm_unprotect_object (val);
- }
-
- return
- dynamic_cast<Tex_font_metric*> (unsmob_metrics (val));
-}
+ 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));
+ tfm_dict_->set (sname, val);
+ unsmob_metrics (val)->unprotect ();
+ }
-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;
-
- 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_eval2 (ly_symbol2scm ("cmr-alist"), SCM_EOL));
-
- if (l != SCM_BOOL_F)
- def_name = ly_scm2string (gh_cdr (l));
-
- f= find_afm (def_name);
- if (f)
- return f;
-
- 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 (_ ("Giving up"));
-
- return 0;
+ return dynamic_cast<Tex_font_metric *> (unsmob_metrics (val));
}
-SCM
-All_font_metrics::font_descriptions () const
+Font_metric *
+All_font_metrics::find_font (string name)
{
- SCM l[] = {0,0,0};
+ Font_metric *f = find_otf (name);
- l[0] = afm_p_dict_->to_alist ();
- l[1] = tfm_p_dict_->to_alist ();
- l[2] = scaled_p_dict_->to_alist ();
+ if (!f)
+ {
+ f = find_tfm (name);
+ }
- SCM list = SCM_EOL;
- for (int i=0; i < 3; i++)
+ if (!f)
{
- for (SCM s = l[i]; gh_pair_p (s); s = gh_cdr (s))
- {
- Font_metric * fm = unsmob_metrics (gh_cdar (s));
+ warning (_f ("can't find font: `%s'", name.c_str ()));
+ warning (_ ("loading default font"));
+ }
- list = gh_cons (fm->description (), list);
- }
+ string def_name = default_font_str0_;
+
+ if (!f)
+ f = find_tfm (def_name);
+
+ if (!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"));
}
- return list;
-}
+ return f;
+}
+All_font_metrics *all_fonts_global;
-Font_metric*
-find_font (String name)
+LY_DEFINE (ly_font_load, "ly:font-load", 1, 0, 0,
+ (SCM name),
+ "Load the font @var{name}. ")
{
- return all_fonts_global_p->find_font (name);
+ SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
+
+ Font_metric *fm = all_fonts_global->find_font (ly_scm2string (name));
+
+ return fm->self_scm ();
}
+
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