source file of the GNU LilyPond music typesetter
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#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?
*/
if (fm)
return fm;
- fm = get_font (me, font_alist_chain (me));
+ fm = select_font (me->get_paper (), font_alist_chain (me));
me->set_grob_property ("font", fm->self_scm ());
return fm;
}
-Font_metric *
-Font_interface::get_font (Grob *me, SCM chain)
-{
-
- 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));
- assert (gh_procedure_p (proc));
- SCM font_name = gh_call2 (proc, fonts, chain);
-
- 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)
+LY_DEFINE(ly_font_interface_get_default_font,
+ "ly:get-default-font", 1 , 0, 0,
+ (SCM grob), "Return the default font for grob @var{gr}.")
{
- 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:
+ Grob * gr = unsmob_grob (grob);
+ SCM_ASSERT_TYPE(gr, grob, SCM_ARG1, __FUNCTION__, "grob");
-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;
-
-
-static void
-init_syms ()
-{
- 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"));
+ return Font_interface::get_default_font (gr)->self_scm ();
}
-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::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 defaults = g->get_paper ()->lookup_variable (ly_symbol2scm ("font-defaults"));
- 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);
- }
+ return g->get_property_alist_chain (defaults);
+}
- for (SCM s = fonts ; gh_pair_p (s); s = gh_cdr (s))
- {
- SCM qlist = gh_caar (s);
- if (name != SCM_BOOL_F)
- {
- if (scm_list_ref (qlist, gh_int2scm (4)) != name)
- continue;
- }
- else
- {
- if (series != SCM_BOOL_F
- && scm_list_ref (qlist, gh_int2scm (1)) != series)
- continue;
- if (shape != SCM_BOOL_F
- && scm_list_ref (qlist, gh_int2scm (2)) != shape)
- continue;
- if (family != SCM_BOOL_F
- && scm_list_ref (qlist, gh_int2scm (3)) != family)
- continue;
- }
- if (point_sz != SCM_BOOL_F)
- {
- if (scm_list_ref (qlist, gh_int2scm (4)) != name)
- continue;
- }
- else
- {
- if (rel_sz != SCM_BOOL_F
- && 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 ());
- return gh_str02scm ("cmr10");
-
-}
+ADD_INTERFACE (Font_interface, "font-interface",
+ "Any symbol that is typeset through fixed sets of glyphs (ie. fonts)",
+ "font-magnification font font-series font-shape "
+ "font-family font-name font-size");