X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fall-font-metrics.cc;h=61b0a60e6f988f741160882a2a2037db7070ed81;hb=af770f3440264c18ce01525dce1aa76b86ace0d5;hp=f878338bcb3ec93263559f859db9931cbecc8a52;hpb=94a1966c72301b8bd1d8bb3b8628c3f089d007cf;p=lilypond.git diff --git a/lily/all-font-metrics.cc b/lily/all-font-metrics.cc index f878338bcb..61b0a60e6f 100644 --- a/lily/all-font-metrics.cc +++ b/lily/all-font-metrics.cc @@ -1,221 +1,203 @@ /* - - 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--2004 Han-Wen Nienhuys - - */ -#include "config.h" -#include "main.hh" + (c) 1999--2006 Han-Wen Nienhuys +*/ + #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 "warn.hh" -static const char *default_font_str0_ = "cmr10"; -All_font_metrics::All_font_metrics (String path) +Index_to_charcode_map const * +All_font_metrics::get_index_to_charcode_map (string filename, FT_Face face) { - afm_p_dict_ = new Scheme_hash_table; - tfm_p_dict_ = new Scheme_hash_table; - + if (filename_charcode_maps_map_.find (filename) + == filename_charcode_maps_map_.end ()) + filename_charcode_maps_map_[filename] = make_index_to_charcode_map (face); + + return &filename_charcode_maps_map_[filename]; +} + + +All_font_metrics::All_font_metrics (string path) +{ + 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 ()); + 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. - - ugr: copied from find_tfm. - */ -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 ()); - SCM val; - if (!afm_p_dict_->try_retrieve (sname, &val)) - { - String filename; +} - if (filename.is_empty ()) - filename = search_path_.find (name + ".afm"); +#if HAVE_PANGO_FT2 - if (filename.is_empty ()) - { - String p = kpathsea_find_afm (name.to_str0 ()); - if (p.length ()) - filename = p; - } +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 (filename.is_empty ()) - return 0; - - if (verbose_global_b) - progress_indication ("[" + filename); - val = read_afm_file (filename); - unsmob_metrics (val)->filename_ = filename; + gchar *pango_fn = pango_font_description_to_filename (description); + SCM key = ly_symbol2scm (pango_fn); + + SCM val; + if (!pango_dict_->try_retrieve (key, &val)) + { + if (be_verbose_global) + progress_indication ("[" + string (pango_fn)); + + Pango_font *pf = new Pango_font (pango_ft2_fontmap_, + description, + output_scale + ); - unsmob_metrics (val)->description_ = scm_cons (name_string, - scm_make_real (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); - scm_gc_unprotect_object (val); - - Adobe_font_metric *afm - = dynamic_cast (unsmob_metrics (val)); - - /* 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_) - { - // FIXME: broken sentence - String s = _f ("checksum mismatch for font file: `%s'", - filename.to_str0 ()); - s += " " + _f ("does not match: `%s'", - tfm->filename_.to_str0 ()); - 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."); - s += "\n"; - s += _ ("Rerun with -V to show font paths."); - s += "\n"; - s += _("A script for removing font-files is delivered with the source-code:"); - s += "\n"; - s += "buildscripts/clean-fonts.sh"; - error (s); - } - } + pf->description_ = scm_cons (SCM_BOOL_F, + scm_from_double (1.0)); } - - return dynamic_cast (unsmob_metrics (val)); + g_free (pango_fn); + return dynamic_cast (unsmob_metrics (val)); } +#endif -Tex_font_metric* -All_font_metrics::find_tfm (String name) +string +kpathsea_find_file (string name, string ext) { - SCM sname = ly_symbol2scm (name.to_str0 ()); - SCM name_string = scm_makfrom0str (name.to_str0 ()); + name += "." + ext; + string path = global_path.find (name); + if (path.length () > 0) + return path; + + 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); + } + + 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 ""; +} + +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 (!tfm_p_dict_->try_retrieve (sname, &val)) + if (!otf_dict_->try_retrieve (sname, &val)) { - String filename; - - if (filename.is_empty ()) - { - String p = kpathsea_find_tfm (name.to_str0 ()); - if (p.length ()) - filename = p; - } - - if (filename.is_empty ()) - filename = search_path_.find (name + ".tfm"); - if (filename.is_empty ()) + string file_name; + + if (file_name.empty ()) + file_name = search_path_.find (name + ".otf"); + if (file_name.empty ()) return 0; - if (verbose_global_b) - progress_indication ("[" + filename); - - val = Tex_font_metric::make_tfm (filename); + if (be_verbose_global) + progress_indication ("[" + file_name); + + val = Open_type_font::make_otf (file_name); - if (verbose_global_b) + if (be_verbose_global) progress_indication ("]"); - unsmob_metrics (val)->filename_ = filename; + unsmob_metrics (val)->file_name_ = file_name; unsmob_metrics (val)->description_ = scm_cons (name_string, - scm_make_real (1.0)); - tfm_p_dict_->set (sname, val); - scm_gc_unprotect_object (val); + scm_from_double (1.0)); + otf_dict_->set (sname, val); + unsmob_metrics (val)->unprotect (); } - return dynamic_cast (unsmob_metrics (val)); + return dynamic_cast (unsmob_metrics (val)); } -Font_metric* -All_font_metrics::find_font (String name) +Font_metric * +All_font_metrics::find_font (string name) { - if ((name.left_string (4) == "feta") || - (name.left_string (8) == "parmesan")) - { - Font_metric *f = find_afm (name); - if (f) - return f; - else - f =find_tfm (name); - if (f) - return f ; - } - else + Font_metric *f = find_otf (name); + + if (!f) { - Font_metric * f = find_tfm (name); - if (f) - return f; - else - f = find_afm (name); - if (f) - return f; + error (_f ("cannot find font: `%s'", name.c_str ())); } - warning (_f ("can't find font: `%s'", name.to_str0 ())); - warning (_ ("Loading default font")); - - String def_name = default_font_str0_; - - /* - 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; + return f; +} - f = find_tfm (def_name); - if (f) - return f; +All_font_metrics *all_fonts_global; - error (_f ("can't find default font: `%s'", def_name.to_str0 ())); - error (_f ("(search path: `%s')", search_path_.to_string ())); - error (_ ("Giving up")); +LY_DEFINE (ly_reset_all_fonts, "ly:reset-all-fonts", 0, 0, 0, + (), + "Forget all about previously loaded fonts. ") +{ + delete all_fonts_global; + all_fonts_global = new All_font_metrics (global_path.to_string ()); - return 0; + return SCM_UNSPECIFIED; } -All_font_metrics *all_fonts_global; - LY_DEFINE (ly_font_load, "ly:font-load", 1, 0, 0, (SCM name), "Load the font @var{name}. ") { - SCM_ASSERT_TYPE (ly_string_p (name), name, SCM_ARG1, __FUNCTION__, "string"); + SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string"); - Font_metric * fm = all_fonts_global->find_font (ly_scm2string (name)); + Font_metric *fm = all_fonts_global->find_font (ly_scm2string (name)); return fm->self_scm (); } +