-/*
- 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>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-#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"
-const char * default_font_sz_ = "cmr10";
+#include "string-convert.hh"
+#include "international.hh"
+#include "main.hh"
+#include "open-type-font.hh"
+#include "pango-font.hh"
+#include "scm-hash.hh"
+#include "warn.hh"
-All_font_metrics::All_font_metrics (String path)
+Index_to_charcode_map const *
+All_font_metrics::get_index_to_charcode_map (const string &filename,
+ int face_index,
+ FT_Face face)
{
- search_path_.parse_path (path);
+ string key = filename + String_convert::int_string (face_index);
+ if (filename_charcode_maps_map_.find (key)
+ == filename_charcode_maps_map_.end ())
+ filename_charcode_maps_map_[key] = make_index_to_charcode_map (face);
+
+ return &filename_charcode_maps_map_[key];
}
-Adobe_font_metric *
-All_font_metrics::find_afm (String name)
+All_font_metrics::All_font_metrics (const string &path)
{
- SCM sname = ly_symbol2scm (name.ch_C ());
- if (!afm_p_dict_.elem_b (sname))
- {
- String path = name + ".afm";
- path = search_path_.find (path);
- if (path.empty_b ())
- return 0;
+#if HAVE_PANGO_FT2
+ pango_dict_ = 0;
+#endif
- if (verbose_global_b)
- progress_indication ("[" + path);
- Adobe_font_metric * afm_p = read_afm_file (path);
+ otf_dict_ = 0;
+ smobify_self ();
+ otf_dict_ = unsmob<Scheme_hash_table> (Scheme_hash_table::make_smob ());
- afm_p->name_ = ly_symbol2scm (name.ch_C ());
+#if HAVE_PANGO_FT2
+ pango_dict_ = unsmob<Scheme_hash_table> (Scheme_hash_table::make_smob ());
+ PangoFontMap *pfm = pango_ft2_font_map_new ();
- if (verbose_global_b)
- progress_indication ("]");
+ pango_ft2_fontmap_ = PANGO_FT2_FONT_MAP (pfm);
- afm_p_dict_.set (sname,afm_p->self_scm_);
- }
-
- return dynamic_cast<Adobe_font_metric*> (unsmob_metrics (afm_p_dict_.get (sname)));
+ pango_dpi_ = PANGO_RESOLUTION;
+ pango_ft2_font_map_set_resolution (pango_ft2_fontmap_,
+ pango_dpi_, pango_dpi_);
+#endif
+
+ search_path_.parse_path (path);
}
-Scaled_font_metric *
-All_font_metrics::find_scaled (String nm, int m)
+All_font_metrics::~All_font_metrics ()
{
- 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));
+#if HAVE_PANGO_FT2
+ g_object_unref (pango_ft2_fontmap_);
+#endif
+}
- return dynamic_cast<Scaled_font_metric*> (fm);
+SCM
+All_font_metrics::mark_smob () const
+{
+#if HAVE_PANGO_FT2
+ if (pango_dict_)
+ scm_gc_mark (pango_dict_->self_scm ());
+#endif
+ if (otf_dict_)
+ return otf_dict_->self_scm ();
+ return SCM_UNDEFINED;
}
-Tex_font_metric *
-All_font_metrics::find_tfm (String name)
+#if HAVE_PANGO_FT2
+
+Pango_font *
+All_font_metrics::find_pango_font (PangoFontDescription const *description,
+ Real output_scale
+ )
{
- SCM sname = ly_symbol2scm (name.ch_C ());
- if (!tfm_p_dict_.elem_b (sname))
+ gchar *pango_fn = pango_font_description_to_filename (description);
+ SCM key = ly_symbol2scm (pango_fn);
+
+ SCM val;
+ if (!pango_dict_->try_retrieve (key, &val))
{
- String path = name + ".tfm";
- path = search_path_.find (path);
- if (path.empty_b ())
- return 0;
- if (verbose_global_b)
- progress_indication ("[" + path);
- Tex_font_metric * tfm_p = Tex_font_metric_reader::read_file (path);
- tfm_p->name_ = ly_symbol2scm (name.ch_C( ));
-
- if (verbose_global_b)
- progress_indication ("]");
-
- tfm_p_dict_.set (sname, tfm_p->self_scm_);
+ debug_output ("[" + string (pango_fn), true); // start on a new line
+
+ Pango_font *pf = new Pango_font (pango_ft2_fontmap_,
+ description,
+ output_scale
+ );
+
+ val = pf->self_scm ();
+ pango_dict_->set (key, val);
+ pf->unprotect ();
+
+ debug_output ("]", false);
+
+ pf->description_ = scm_cons (SCM_BOOL_F,
+ scm_from_double (1.0));
}
-
- return
- dynamic_cast<Tex_font_metric*> (unsmob_metrics (tfm_p_dict_.get(sname)));
+ g_free (pango_fn);
+ return unsmob<Pango_font> (val);
}
+#endif
-Font_metric *
-All_font_metrics::find_font (String name)
+Open_type_font *
+All_font_metrics::find_otf (const string &name)
{
- Font_metric * f=0;
- f = find_tfm (name);
- if (f)
- return f;
-
- f= find_afm (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_eval (ly_symbol2scm ("cmr-alist")));
-
- if (l != SCM_BOOL_F)
- def_name = ly_scm2string (gh_cdr (l));
-
- f = find_tfm (def_name);
- if (f)
- return f;
-
- f= find_afm (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;
-}
+ SCM sname = ly_symbol2scm (name.c_str ());
+ SCM val;
+ if (!otf_dict_->try_retrieve (sname, &val))
+ {
+ string file_name;
-SCM
-All_font_metrics::font_descriptions () const
-{
- SCM l[] = {0,0,0};
+ if (file_name.empty ())
+ file_name = search_path_.find (name + ".otf");
+ if (file_name.empty ())
+ return 0;
- l[0] = afm_p_dict_.to_alist ();
- l[1] = tfm_p_dict_.to_alist ();
- l[2] = scaled_p_dict_.to_alist ();
+ debug_output ("[" + file_name, true); // start on a new line
- 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));
+ val = Open_type_font::make_otf (file_name);
+
+ debug_output ("]", false);
- list = gh_cons (fm->description (), list);
- }
+ unsmob<Font_metric> (val)->file_name_ = file_name;
+ SCM name_string = ly_string2scm (name);
+ unsmob<Font_metric> (val)->description_ = scm_cons (name_string,
+ scm_from_double (1.0));
+ otf_dict_->set (sname, val);
+ unsmob<Font_metric> (val)->unprotect ();
}
- return list;
+
+ return unsmob<Open_type_font> (val);
}
+Font_metric *
+All_font_metrics::find_font (const string &name)
+{
+ Font_metric *f = find_otf (name);
+ if (!f)
+ {
+ error (_f ("cannot find font: `%s'", name.c_str ()));
+ }
-Font_metric*
-find_font (String name)
-{
- return all_fonts_global_p->find_font (name);
+ return f;
}