X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fall-font-metrics.cc;h=ab4f2a4ce4e3a09651b674a8f9598e2cdd6699f5;hb=66f7ad3783f32e8c8b61164355f7b1d9ad3e290a;hp=81a41334301c06b6861c1e46b2137b579bda6f1c;hpb=ffe548cfbb3c3b37c8969f49b5aba04ef998d080;p=lilypond.git diff --git a/lily/all-font-metrics.cc b/lily/all-font-metrics.cc index 81a4133430..ab4f2a4ce4 100644 --- a/lily/all-font-metrics.cc +++ b/lily/all-font-metrics.cc @@ -1,149 +1,163 @@ -/* - all-font-metrics.cc -- implement All_font_metrics - - source file of the GNU LilyPond music typesetter - - (c) 1999 Han-Wen Nienhuys - - */ +/* + This file is part of LilyPond, the GNU music typesetter. + + Copyright (C) 1999--2015 Han-Wen Nienhuys + + 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 . +*/ -#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; - progress_indication ("[" + path); - Adobe_font_metric * afm_p = read_afm_file (path); +#if HAVE_PANGO_FT2 + pango_dict_ = 0; +#endif - afm_p->name_ = ly_symbol2scm (name.ch_C ()); - progress_indication ("]"); + otf_dict_ = 0; + smobify_self (); + otf_dict_ = unsmob (Scheme_hash_table::make_smob ()); - afm_p_dict_.set (sname,afm_p->self_scm_); - } - - return dynamic_cast (unsmob_metrics (afm_p_dict_.get (sname))); +#if HAVE_PANGO_FT2 + pango_dict_ = unsmob (Scheme_hash_table::make_smob ()); + PangoFontMap *pfm = pango_ft2_font_map_new (); + + pango_ft2_fontmap_ = PANGO_FT2_FONT_MAP (pfm); + + 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 (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; - 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_); + 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 (unsmob_metrics (tfm_p_dict_.get(sname))); + g_free (pango_fn); + return unsmob (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 = ly_eval_str ("(style-to-cmr \"default\")"); - 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 (val)->file_name_ = file_name; + SCM name_string = ly_string2scm (name); + unsmob (val)->description_ = scm_cons (name_string, + scm_from_double (1.0)); + otf_dict_->set (sname, val); + unsmob (val)->unprotect (); } - return list; + + return unsmob (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 ())); + } + return f; +}