X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fall-font-metrics.cc;h=344d3a3e7548023c9b7a16b52f187f9fc61674d6;hb=8574d4349026c4ac5a15a27c50e264bf548e29fb;hp=450b1b4b70017afeea614ccca6f77eaea534f3d0;hpb=ad7defd5f5a3d0151a711555c2d680c56ef559c7;p=lilypond.git diff --git a/lily/all-font-metrics.cc b/lily/all-font-metrics.cc index 450b1b4b70..344d3a3e75 100644 --- a/lily/all-font-metrics.cc +++ b/lily/all-font-metrics.cc @@ -1,155 +1,153 @@ -/* - 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 - - */ -#include "main.hh" + (c) 1999--2009 Han-Wen Nienhuys +*/ + #include "all-font-metrics.hh" -#include "debug.hh" + +#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" -#include "afm.hh" -#include "tfm.hh" -#include "lily-guile.hh" -#include "tfm-reader.hh" -const char * default_font_sz_ = "cmr10"; -All_font_metrics::All_font_metrics (String path) +Index_to_charcode_map const * +All_font_metrics::get_index_to_charcode_map (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 (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); + otf_dict_ = new Scheme_hash_table; - afm_p->name_ = ly_symbol2scm (name.ch_C ()); - progress_indication ("]"); +#if HAVE_PANGO_FT2 + PangoFontMap *pfm = pango_ft2_font_map_new (); - afm_p_dict_.set (sname,afm_p->self_scm_); - } - - return dynamic_cast (unsmob_metrics (afm_p_dict_.get (sname))); + 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); } -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 ()); + otf_dict_->unprotect (); - 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 + pango_dict_->unprotect (); + g_object_unref (pango_ft2_fontmap_); +#endif +} - return dynamic_cast (fm); +All_font_metrics::All_font_metrics (All_font_metrics const &) +{ } -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)) - { - 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 ("]"); + gchar *pango_fn = pango_font_description_to_filename (description); + SCM key = ly_symbol2scm (pango_fn); - tfm_p_dict_.set (sname, tfm_p->self_scm_); + SCM val; + if (!pango_dict_->try_retrieve (key, &val)) + { + if (be_verbose_global) + progress_indication ("\n[" + string (pango_fn)); + + Pango_font *pf = new Pango_font (pango_ft2_fontmap_, + description, + output_scale + ); + + val = pf->self_scm (); + pango_dict_->set (key, val); + pf->unprotect (); + + if (be_verbose_global) + progress_indication ("]"); + + 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 dynamic_cast (unsmob_metrics (val)); } +#endif -Font_metric * -All_font_metrics::find_font (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 -All_font_metrics::font_descriptions () const +Open_type_font * +All_font_metrics::find_otf (string name) { - SCM l[] = {0,0,0}; + SCM sname = ly_symbol2scm (name.c_str ()); + SCM val; + if (!otf_dict_->try_retrieve (sname, &val)) + { + string file_name; - l[0] = afm_p_dict_.to_alist (); - l[1] = tfm_p_dict_.to_alist (); - l[2] = scaled_p_dict_.to_alist (); + if (file_name.empty ()) + file_name = search_path_.find (name + ".otf"); + if (file_name.empty ()) + return 0; - 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)); + if (be_verbose_global) + progress_indication ("\n[" + file_name); - list = gh_cons (fm->description (), list); - } + val = Open_type_font::make_otf (file_name); + + if (be_verbose_global) + progress_indication ("]"); + + unsmob_metrics (val)->file_name_ = file_name; + SCM name_string = ly_string2scm (name); + unsmob_metrics (val)->description_ = scm_cons (name_string, + scm_from_double (1.0)); + otf_dict_->set (sname, val); + unsmob_metrics (val)->unprotect (); } - return list; + + return dynamic_cast (unsmob_metrics (val)); } +Font_metric * +All_font_metrics::find_font (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; } + +All_font_metrics *all_fonts_global;