X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fall-font-metrics.cc;h=440e16ca66fc55002a11d3dfa2e2967ce89cd13a;hb=498009ebeb0f902eb18a9e21db8e0a2b7e694fa0;hp=3a8b325a68e595d54d4777a8ad4d263629243108;hpb=867530093ed5374d6e28d2c11a933f3b991c226e;p=lilypond.git diff --git a/lily/all-font-metrics.cc b/lily/all-font-metrics.cc index 3a8b325a68..440e16ca66 100644 --- a/lily/all-font-metrics.cc +++ b/lily/all-font-metrics.cc @@ -1,161 +1,343 @@ -/* - 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 "config.h" -#include "main.hh" + (c) 1999--2005 Han-Wen Nienhuys +*/ + #include "all-font-metrics.hh" -#include "debug.hh" + +#include "open-type-font.hh" +#include "main.hh" #include "warn.hh" #include "afm.hh" #include "tfm.hh" -#include "lily-guile.hh" #include "scm-hash.hh" -#include "kpath.hh" +#include "pango-font.hh" +static char const *default_font_str0_ = "cmr10"; +All_font_metrics::All_font_metrics (String path) +{ + afm_dict_ = new Scheme_hash_table; + tfm_dict_ = new Scheme_hash_table; + 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_); -const char * default_font_sz_ = "cmr10"; + pango_dict_ = new Scheme_hash_table; +#endif -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_unprotect_object (afm_p_dict_->self_scm ()); - scm_unprotect_object (tfm_p_dict_->self_scm ()); + afm_dict_->unprotect (); + tfm_dict_->unprotect (); + otf_dict_->unprotect (); + +#if HAVE_PANGO_FT2 + pango_dict_->unprotect (); + g_object_unref (pango_ft2_fontmap_); +#endif } -Adobe_font_metric * -All_font_metrics::find_afm (String name) +All_font_metrics::All_font_metrics (All_font_metrics const &) +{ +} + +#if HAVE_PANGO_FT2 + +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))); + + 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 + ); + + 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)); + } + g_free (pango_fn); + return dynamic_cast (unsmob_metrics (val)); +} + +#endif + +String +kpathsea_find_file (String name, String ext) { - SCM sname = ly_symbol2scm (name.ch_C ()); + 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.to_str0 ())); + if (scm_is_string (kp_result)) + return ly_scm2string (kp_result); + } + + return ""; +} - SCM name_str = ly_str02scm (name.ch_C ()); +/* + 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) +{ + 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)) + if (!afm_dict_->try_retrieve (sname, &val)) { - String path; + String file_name; - if (path.empty_b()) - path = search_path_.find (name + ".afm"); + if (file_name.is_empty ()) + file_name = search_path_.find (name + ".afm"); - if (path.empty_b ()) + if (file_name.is_empty ()) { - char * p = ly_find_afm (name.ch_C()); - if (p) - path = p; + String p = kpathsea_find_file (name, "afm"); + if (p.length ()) + file_name = p; } - if (path.empty_b()) + if (file_name.is_empty ()) return 0; - - if (verbose_global_b) - progress_indication ("[" + path); - val = read_afm_file (path); - unsmob_metrics (val)->description_ = gh_cons (name_str, gh_double2scm (1.0)); + if (be_verbose_global) + progress_indication ("[" + file_name); + val = read_afm_file (file_name); + unsmob_metrics (val)->file_name_ = file_name; + + unsmob_metrics (val)->description_ = scm_cons (name_string, + scm_from_double (1.0)); - if (verbose_global_b) + if (be_verbose_global) progress_indication ("]"); - afm_p_dict_->set (sname,val); + afm_dict_->set (sname, val); + unsmob_metrics (val)->unprotect (); - scm_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'", + file_name.to_str0 ()); + s += " " + _f ("does not match: `%s'", + tfm->file_name_.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); + } + } } - - return dynamic_cast (unsmob_metrics (val)); + + return dynamic_cast (unsmob_metrics (val)); } +Open_type_font * +All_font_metrics::find_otf (String name) +{ + SCM sname = ly_symbol2scm (name.to_str0 ()); + SCM name_string = scm_makfrom0str (name.to_str0 ()); + SCM val; + if (!otf_dict_->try_retrieve (sname, &val)) + { + String file_name; + + if (file_name.is_empty ()) + file_name = search_path_.find (name + ".otf"); + if (file_name.is_empty ()) + return 0; + + if (be_verbose_global) + progress_indication ("[" + file_name); + + val = Open_type_font::make_otf (file_name); + + if (be_verbose_global) + progress_indication ("]"); + + unsmob_metrics (val)->file_name_ = file_name; + unsmob_metrics (val)->description_ = scm_cons (name_string, + scm_from_double (1.0)); + otf_dict_->set (sname, val); + unsmob_metrics (val)->unprotect (); + } + + return dynamic_cast (unsmob_metrics (val)); +} Tex_font_metric * All_font_metrics::find_tfm (String name) { - SCM sname = ly_symbol2scm (name.ch_C ()); - SCM name_str = ly_str02scm (name.ch_C ()); - + 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)) + if (!tfm_dict_->try_retrieve (sname, &val)) { - String path; - - if (path.empty_b()) + String file_name; + + if (file_name.is_empty ()) { - char * p = ly_find_tfm (name.ch_C()); - if (p) - path = p; + /* FIXME: should add "cork-" prefix to lm* fonts. How to do + that, cleanly? */ + String p = kpathsea_find_file (name, "tfm"); + if (p.length ()) + file_name = p; } - if (path.empty_b()) - path = search_path_.find (name + ".tfm"); - if (path.empty_b()) + if (file_name.is_empty ()) + file_name = search_path_.find (name + ".tfm"); + if (file_name.is_empty ()) return 0; - if (verbose_global_b) - progress_indication ("[" + path); - val = Tex_font_metric::make_tfm (path); - if (verbose_global_b) - progress_indication ("]"); + if (be_verbose_global) + progress_indication ("[" + file_name); - unsmob_metrics (val)->description_ = gh_cons (name_str, gh_double2scm (1.0)); - tfm_p_dict_->set (sname, val); + val = Tex_font_metric::make_tfm (file_name); - scm_unprotect_object (val); + if (be_verbose_global) + progress_indication ("]"); + + unsmob_metrics (val)->file_name_ = file_name; + unsmob_metrics (val)->description_ = scm_cons (name_string, + scm_from_double (1.0)); + tfm_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 * f= find_afm (name); - if (f) - return f; - - f = find_tfm (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_eval2 (ly_symbol2scm ("cmr-alist"), SCM_EOL)); - - if (l != SCM_BOOL_F) - def_name = ly_scm2string (gh_cdr (l)); - - f= find_afm (def_name); - if (f) - return f; - - f = find_tfm (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; + Font_metric *f = find_otf (name); + + if (!f + && (name.left_string (4) == "feta" + || name.left_string (8) == "parmesan" + || name.left_string (2) == "lm")) + { + f = find_afm (name); + if (!f) + f = find_tfm (name); + } + else if (!f) + { + f = find_tfm (name); + if (!f) + f = find_afm (name); + } + + if (!f) + { + 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. */ + if (!f) + f = find_afm (def_name); + + if (!f) + f = find_tfm (def_name); + + if (!f) + { + 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 f; } +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 (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string"); + + Font_metric *fm = all_fonts_global->find_font (ly_scm2string (name)); + + return fm->self_scm (); +}