-/*
- font-interface.cc -- implement Font_interface
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-
-#include "all-font-metrics.hh"
-#include "font-metric.hh"
-#include "font-interface.hh"
-#include "grob.hh"
-#include "paper-def.hh"
-#include "warn.hh"
-
-
-SCM
-Font_interface::font_alist_chain (Grob *me)
-{
- SCM defaults = gh_cdr (scm_assoc (ly_symbol2scm ("font-defaults"),
- me->paper_l ()->style_sheet_));
-
- SCM ch = gh_list (me->mutable_property_alist_,
- me->immutable_property_alist_,
- defaults,
- SCM_UNDEFINED);
-
- return ch;
-}
-
/*
- todo: split up this func, reuse in text_item?
- */
-Font_metric *
-Font_interface::get_default_font (Grob*me)
-{
- Font_metric * fm = unsmob_metrics (me->get_grob_property ("font"));
- if (fm)
- return fm;
+ This file is part of LilyPond, the GNU music typesetter.
- fm = get_font (me, font_alist_chain (me));
- me->set_grob_property ("font", fm->self_scm ());
- return fm;
-}
+ Copyright (C) 2000--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ 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.
-SCM
-ly_font_interface_get_default_font (SCM grob)
-{
- Grob * gr = unsmob_grob (grob);
+ 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.
- if (!gr)
- {
- warning ("ly_font_interface_get_default_font (): invalid argument");
- return SCM_UNDEFINED;
- }
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
- return Font_interface::get_default_font (gr)->self_scm ();
-}
+#include "font-interface.hh"
+
+#include "all-font-metrics.hh"
+#include "output-def.hh"
+#include "warn.hh"
+#include "grob.hh"
+/* todo: split up this func, reuse in text_item? */
Font_metric *
-Font_interface::get_font (Grob *me, SCM chain)
+Font_interface::get_default_font (Grob *me)
{
-
- SCM ss = me->paper_l ()->style_sheet_;
-
- SCM proc = gh_cdr (scm_assoc (ly_symbol2scm ("properties-to-font"),
- ss));
-
- SCM fonts = gh_cdr (scm_assoc (ly_symbol2scm ("fonts"), ss));
+ Font_metric *fm = unsmob_metrics (me->get_property ("font"));
+ if (!fm)
+ {
+ SCM chain = music_font_alist_chain (me);
- assert (gh_procedure_p (proc));
- SCM font_name = gh_call2 (proc, fonts, chain);
+ fm = select_font (me->layout (), chain);
+ me->set_property ("font", fm->self_scm ());
+ }
- Font_metric *fm = me->paper_l ()->find_font (font_name, 1.0);
return fm;
}
SCM
-Font_interface::add_style (Grob* me, SCM style, SCM chain)
-{
- assert (gh_symbol_p (style));
-
- SCM sheet = me->paper_l ()->style_sheet_;
-
- SCM style_alist = gh_cdr (scm_assoc (ly_symbol2scm ("style-alist"), sheet));
- SCM entry = scm_assoc (style, style_alist);
- if (gh_pair_p (entry))
- {
- chain = gh_cons (gh_cdr (entry), chain);
- }
- return chain;
-}
-
-/*
-SCM routines:
-
-Interpreting music...
-MIDI output to wtk1-fugue2.midi...
-Track ...
-
-real 0m31.862s
-user 0m29.110s
-sys 0m0.260s
-
-real 0m26.964s
-user 0m24.850s
-sys 0m0.280s
-
-
-so a 14% speedup.
-
-*/
-
-static SCM name_sym, shape_sym, family_sym, series_sym, rel_sz_sym, pt_sz_sym, wild_sym;
-
-
-static void
-init_syms ()
+Font_interface::music_font_alist_chain (Grob *g)
{
- name_sym = scm_permanent_object (ly_symbol2scm ("font-name"));
- shape_sym = scm_permanent_object (ly_symbol2scm ("font-shape"));
- family_sym = scm_permanent_object (ly_symbol2scm ("font-family"));
- series_sym = scm_permanent_object (ly_symbol2scm ("font-series"));
- rel_sz_sym = scm_permanent_object (ly_symbol2scm ("font-relative-size"));
- pt_sz_sym = scm_permanent_object (ly_symbol2scm ("font-point-size"));
- wild_sym = scm_permanent_object (ly_symbol2scm ("*"));
-
- scm_make_gsubr ("ly-get-default-font", 1 , 0, 0, (Scheme_function_unknown) ly_font_interface_get_default_font);
+ SCM defaults
+ = g->layout ()->lookup_variable (ly_symbol2scm ("font-defaults"));
+ if (defaults == SCM_UNDEFINED)
+ defaults = SCM_EOL;
+ return g->get_property_alist_chain (defaults);
}
-
-bool
-Font_interface::wild_compare (SCM field_val, SCM val)
-{
- return (val == SCM_BOOL_F || field_val == wild_sym || field_val == val);
-}
-
-ADD_SCM_INIT_FUNC (Font_interface_syms,init_syms);
-
-
-MAKE_SCHEME_CALLBACK (Font_interface,properties_to_font_name,2);
SCM
-Font_interface::properties_to_font_name (SCM fonts, SCM alist_chain)
+Font_interface::text_font_alist_chain (Grob *g)
{
- SCM name = ly_assoc_chain (name_sym, alist_chain);
-
- SCM shape = SCM_BOOL_F;
- SCM family = SCM_BOOL_F;
- SCM series = SCM_BOOL_F;
-
-
- SCM point_sz = ly_assoc_chain (pt_sz_sym, alist_chain);
- SCM rel_sz = SCM_BOOL_F;
-
- if (!gh_pair_p (name))
- {
- shape = ly_assoc_chain (shape_sym, alist_chain);
- family = ly_assoc_chain (family_sym, alist_chain);
- series = ly_assoc_chain (series_sym, alist_chain);
-
- if (gh_pair_p (shape))
- shape = gh_cdr (shape);
- if (gh_pair_p (family))
- family = gh_cdr (family);
- if (gh_pair_p (series))
- series = gh_cdr (series);
- }
- else
- name = gh_cdr (name);
-
-
- if (gh_pair_p (point_sz))
- point_sz = gh_cdr (point_sz);
- else
- {
- rel_sz = ly_assoc_chain (rel_sz_sym, alist_chain);
- if (gh_pair_p (rel_sz))
- rel_sz = gh_cdr (rel_sz);
- }
-
- for (SCM s = fonts ; gh_pair_p (s); s = gh_cdr (s))
- {
- SCM qlist = gh_caar (s);
-
- if (name != SCM_BOOL_F)
- {
- if (!wild_compare (scm_list_ref (qlist, gh_int2scm (4)), name))
- continue;
- }
- else
- {
- if (!wild_compare (scm_list_ref (qlist, gh_int2scm (1)), series))
- continue;
- if (!wild_compare (scm_list_ref (qlist, gh_int2scm (2)), shape))
- continue;
- if (!wild_compare (scm_list_ref (qlist, gh_int2scm (3)), family))
- continue;
- }
-
- if (point_sz != SCM_BOOL_F)
- {
- // This if statement will always be true since name must
- // be SCM_BOOL_F here, right? /MB
- if (!wild_compare (scm_list_ref (qlist, gh_int2scm (4)), name))
- continue;
- }
- else
- {
- if (!wild_compare (gh_car (qlist), rel_sz))
- continue;
- }
-
-
- SCM qname = gh_cdar (s);
- return qname;
- }
-
- warning (_ ("couldn't find any font satisfying "));
- scm_write (gh_list (name, point_sz, shape, series , family, rel_sz, SCM_UNDEFINED), scm_current_error_port ());
- scm_flush (scm_current_error_port ());
-
- return ly_str02scm ("cmr10");
-
+ SCM defaults
+ = g->layout ()->lookup_variable (ly_symbol2scm ("text-font-defaults"));
+ if (defaults == SCM_UNDEFINED)
+ defaults = SCM_EOL;
+ return g->get_property_alist_chain (defaults);
}
+
+ADD_INTERFACE (Font_interface,
+ "Any symbol that is typeset through fixed sets of glyphs,"
+ " (i.e., fonts).",
+
+ /* properties */
+ "font "
+ "font-encoding "
+ "font-family "
+ "font-name "
+ "font-series "
+ "font-shape "
+ "font-size "
+ );
projects / lilypond.git / blobdiff