X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fall-font-metrics.cc;h=fb6d20b7736b14c6797facb3c24ae21bffd4a2d7;hb=6b93aa32e32d736202d803c68f5156cc253a5f7c;hp=eba97b0ec6b0d2819805cb80f90fa21228f6fd39;hpb=c52973e438ce3490d688860bb71849a7b3c26fef;p=lilypond.git diff --git a/lily/all-font-metrics.cc b/lily/all-font-metrics.cc index eba97b0ec6..fb6d20b773 100644 --- a/lily/all-font-metrics.cc +++ b/lily/all-font-metrics.cc @@ -1,157 +1,211 @@ -/* +/* + all-font-metrics.cc -- implement All_font_metrics source file of the GNU LilyPond music typesetter - (c) 1999--2000 Han-Wen Nienhuys + (c) 1999--2004 Han-Wen Nienhuys */ +#include "config.h" #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" +#include "scm-hash.hh" +#include "kpath.hh" -const char * default_font_sz_ = "cmr10"; +static const char * default_font_str0_ = "cmr10"; All_font_metrics::All_font_metrics (String path) { + afm_p_dict_ = new Scheme_hash_table; + tfm_p_dict_ = new Scheme_hash_table; + 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 ()); +} + +/* + 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. + */ Adobe_font_metric * All_font_metrics::find_afm (String name) { - SCM sname = ly_symbol2scm (name.ch_C ()); - if (!afm_p_dict_.elem_b (sname)) + 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 path = name + ".afm"; - path = search_path_.find (path); - if (path.empty_b ()) + String path; + + if (path.is_empty ()) + path = search_path_.find (name + ".afm"); + + if (path.is_empty ()) + { + String p = kpathsea_find_afm (name.to_str0 ()); + if (p.length ()) + path = p; + } + + if (path.is_empty ()) return 0; - progress_indication ("[" + path); - Adobe_font_metric * afm_p = read_afm_file (path); + + if (verbose_global_b) + progress_indication ("[" + path); + val = read_afm_file (path); + unsmob_metrics (val)->path_ = path; + + unsmob_metrics (val)->description_ = gh_cons (name_string, gh_double2scm (1.0)); - afm_p->name_ = ly_symbol2scm (name.ch_C ()); - progress_indication ("]"); + if (verbose_global_b) + progress_indication ("]"); - afm_p_dict_.set (sname,afm_p->self_scm_); - } - - return dynamic_cast (unsmob_metrics (afm_p_dict_.get (sname))); -} + afm_p_dict_->set (sname,val); -Scaled_font_metric * -All_font_metrics::find_scaled (String nm, int m) -{ - Scaled_font_metric * s=0; - String index = nm + "@" + to_str (m); - SCM sname = ly_symbol2scm (index.ch_C ()); + scm_gc_unprotect_object (val); - 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)); - return dynamic_cast (fm); + 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_) + { + String s = _f ("checksum mismatch for font file: `%s'", + path.to_str0 ()); + s += " " + _f ("does not match: `%s'", tfm->path_.to_str0 ()); // FIXME + 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.\nRerun with -V to show font paths.\n"); + s += _("A script for removing font-files is delivered with the source-code,\n" + "in buildscripts/clean-fonts.sh"); + error (s); + } + } + } + + return dynamic_cast (unsmob_metrics (val)); } + Tex_font_metric * All_font_metrics::find_tfm (String name) { - SCM sname = ly_symbol2scm (name.ch_C ()); - if (!tfm_p_dict_.elem_b (sname)) + SCM sname = ly_symbol2scm (name.to_str0 ()); + SCM name_string = scm_makfrom0str (name.to_str0 ()); + + SCM val; + if (!tfm_p_dict_->try_retrieve (sname, &val)) { - String path = name + ".tfm"; - path = search_path_.find (path); - if (path.empty_b ()) + String path; + + if (path.is_empty ()) + { + String p = kpathsea_find_tfm (name.to_str0 ()); + if (p.length ()) + path = p; + } + + if (path.is_empty ()) + path = search_path_.find (name + ".tfm"); + if (path.is_empty ()) 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_); + if (verbose_global_b) + progress_indication ("[" + path); + + val = Tex_font_metric::make_tfm (path); + + if (verbose_global_b) + progress_indication ("]"); + + unsmob_metrics (val)->path_ = path; + unsmob_metrics (val)->description_ = gh_cons (name_string, gh_double2scm (1.0)); + tfm_p_dict_->set (sname, val); + + scm_gc_unprotect_object (val); } - + return - dynamic_cast (unsmob_metrics (tfm_p_dict_.get(sname))); + dynamic_cast (unsmob_metrics (val)); } + 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; + 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_tfm (name); + if (f) + return f; + else + f =find_afm (name); + if (f) + return f ; + } - warning (_f ("can't find font: `%s'", name.ch_C ())); + warning (_f ("can't find font: `%s'", name.to_str0 ())); 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)); + String def_name = default_font_str0_; - f = find_tfm (def_name); + /* + 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; - f= find_afm (def_name); + f = find_tfm (def_name); if (f) return f; - non_fatal_error (_f ("can't find default font: `%s'", def_name.ch_C ())); - non_fatal_error (_f ("(search path: `%s')", search_path_.str ())); + error (_f ("can't find default font: `%s'", def_name.to_str0 ())); + error (_f ("(search path: `%s')", search_path_.to_string ())); error (_ ("Giving up")); return 0; } -SCM -All_font_metrics::font_descriptions () const -{ - SCM l[] = {0,0,0}; - - l[0] = afm_p_dict_.to_alist (); - l[1] = tfm_p_dict_.to_alist (); - l[2] = scaled_p_dict_.to_alist (); - 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)); - - list = gh_cons (fm->description (), list); - } - } - return list; -} - - - -Font_metric* -find_font (String name) -{ - return all_fonts_global_p->find_font (name); -}