/*
- clef-engraver.cc -- implement Clef_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Mats Bengtsson <matsb@s3.kth.se>
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.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.
- Mats Bengtsson <matsb@s3.kth.se>
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <ctype.h>
+#include <cctype>
+using namespace std;
+#include "item.hh"
#include "context.hh"
-#include "bar-line.hh"
#include "staff-symbol-referencer.hh"
#include "engraver.hh"
#include "direction.hh"
#include "side-position-interface.hh"
-#include "item.hh"
-class Clef_engraver : public Engraver
+#include "translator.icc"
+
+class Clef_engraver : public Engraver
{
public:
TRANSLATOR_DECLARATIONS (Clef_engraver);
- Direction octave_dir_;
-
protected:
- virtual void stop_translation_timestep ();
- virtual void process_music ();
- virtual void acknowledge_grob (Grob_info);
+ void stop_translation_timestep ();
+ void process_music ();
+ DECLARE_ACKNOWLEDGER (bar_line);
+
+ virtual void derived_mark () const;
private:
- Item * clef_;
- Item * octavate_;
+ Item *clef_;
+ Item *modifier_;
SCM prev_glyph_;
SCM prev_cpos_;
- SCM prev_octavation_;
+ SCM prev_transposition_;
void create_clef ();
void set_glyph ();
void inspect_clef_properties ();
};
+void
+Clef_engraver::derived_mark () const
+{
+ scm_gc_mark (prev_transposition_);
+ scm_gc_mark (prev_cpos_);
+ scm_gc_mark (prev_glyph_);
+}
+
Clef_engraver::Clef_engraver ()
{
clef_ = 0;
- octave_dir_ = CENTER;
- octavate_ = 0;
+ modifier_ = 0;
/*
will trigger a clef at the start since #f != ' ()
- */
- prev_cpos_ = prev_glyph_ = SCM_BOOL_F;
+ */
+ prev_transposition_ = prev_cpos_ = prev_glyph_ = SCM_BOOL_F;
}
void
Clef_engraver::set_glyph ()
{
- SCM glyph_sym = ly_symbol2scm ("glyph-name");
- SCM glyph = get_property ("clefGlyph");
-
+ SCM glyph_sym = ly_symbol2scm ("glyph");
SCM basic = ly_symbol2scm ("Clef");
-
+
execute_pushpop_property (context (), basic, glyph_sym, SCM_UNDEFINED);
- execute_pushpop_property (context (), basic, glyph_sym, glyph);
+ execute_pushpop_property (context (), basic, glyph_sym, get_property ("clefGlyph"));
}
-/**
- Generate a clef at the start of a measure. (when you see a Bar,
- ie. a breakpoint)
- */
+/**
+ Generate a clef at the start of a measure. (when you see a Bar,
+ ie. a breakpoint)
+*/
void
-Clef_engraver::acknowledge_grob (Grob_info info)
+Clef_engraver::acknowledge_bar_line (Grob_info info)
{
- Item * item =dynamic_cast <Item *> (info.grob_);
- if (item)
- {
- if (Bar_line::has_interface (info.grob_)
- && scm_is_string (get_property ("clefGlyph")))
- create_clef ();
- }
+ Item *item = info.item ();
+ if (item && scm_is_string (get_property ("clefGlyph")))
+ create_clef ();
}
void
if (!clef_)
{
Item *c = make_item ("Clef", SCM_EOL);
-
clef_ = c;
SCM cpos = get_property ("clefPosition");
- if (ly_c_number_p (cpos))
- clef_->set_property ("staff-position", cpos);
+ if (scm_is_number (cpos))
+ clef_->set_property ("staff-position", cpos);
+
+ SCM transp = get_property ("clefTransposition");
+ if (scm_is_number (transp) && scm_to_int (transp))
+ {
+ Item *g = make_item ("ClefModifier", SCM_EOL);
- SCM oct = get_property ("clefOctavation");
- if (ly_c_number_p (oct) && ly_scm2int (oct))
- {
- Item * g = make_item ("OctavateEight", SCM_EOL);
+ int abs_transp = scm_to_int (transp);
+ int dir = sign (abs_transp);
+ abs_transp = abs (abs_transp) + 1;
- int abs_oct = ly_scm2int (oct) ;
- int dir = sign (abs_oct);
- abs_oct = abs (abs_oct) + 1;
+ SCM txt = scm_number_to_string (scm_from_int (abs_transp),
+ scm_from_int (10));
- SCM txt = scm_number_to_string (scm_int2num (abs_oct),
- scm_from_int (10));
+ SCM style = get_property ("clefTranspositionStyle");
- g->set_property ("text",
- scm_list_n (ly_scheme_function ("vcenter-markup"),
- txt, SCM_UNDEFINED));
- Side_position_interface::add_support (g,clef_);
+ SCM formatter = get_property ("clefTranspositionFormatter");
+ if (ly_is_procedure (formatter))
+ g->set_property ("text", scm_call_2 (formatter, txt, style));
- g->set_parent (clef_, Y_AXIS);
- g->set_parent (clef_, X_AXIS);
- g->set_property ("direction", scm_int2num (dir));
- octavate_ = g;
-
- }
+ Side_position_interface::add_support (g, clef_);
+
+ g->set_parent (clef_, Y_AXIS);
+ g->set_parent (clef_, X_AXIS);
+ g->set_property ("direction", scm_from_int (dir));
+ modifier_ = g;
+ }
}
}
void
inspect_clef_properties ();
}
+static void apply_on_children (Context *context, SCM fun)
+{
+ scm_call_1 (fun, context->self_scm ());
+ for (SCM s = context->children_contexts ();
+ scm_is_pair (s); s = scm_cdr (s))
+ apply_on_children (unsmob_context (scm_car (s)), fun);
+}
+
void
Clef_engraver::inspect_clef_properties ()
{
SCM glyph = get_property ("clefGlyph");
SCM clefpos = get_property ("clefPosition");
- SCM octavation = get_property ("clefOctavation");
+ SCM transposition = get_property ("clefTransposition");
SCM force_clef = get_property ("forceClef");
-
+
if (clefpos == SCM_EOL
|| scm_equal_p (glyph, prev_glyph_) == SCM_BOOL_F
|| scm_equal_p (clefpos, prev_cpos_) == SCM_BOOL_F
- || scm_equal_p (octavation, prev_octavation_) == SCM_BOOL_F
+ || scm_equal_p (transposition, prev_transposition_) == SCM_BOOL_F
|| to_boolean (force_clef))
{
+ apply_on_children (context (),
+ ly_lily_module_constant ("invalidate-alterations"));
+
set_glyph ();
- create_clef ();
+ if (prev_cpos_ != SCM_BOOL_F || to_boolean (get_property ("firstClef")))
+ create_clef ();
- clef_->set_property ("non-default", SCM_BOOL_T);
+ if (clef_)
+ clef_->set_property ("non-default", SCM_BOOL_T);
prev_cpos_ = clefpos;
prev_glyph_ = glyph;
- prev_octavation_ = octavation;
+ prev_transposition_ = transposition;
}
if (to_boolean (force_clef))
{
- Context * w = context ()->where_defined (ly_symbol2scm ("forceClef"));
+ SCM prev;
+ Context *w = context ()->where_defined (ly_symbol2scm ("forceClef"), &prev);
w->set_property ("forceClef", SCM_EOL);
}
}
-
void
Clef_engraver::stop_translation_timestep ()
{
if (clef_)
{
- SCM vis = 0;
+ SCM vis = 0;
if (to_boolean (clef_->get_property ("non-default")))
- {
- vis = get_property ("explicitClefVisibility");
- }
+ vis = get_property ("explicitClefVisibility");
if (vis)
- {
- clef_->set_property ("break-visibility", vis);
- if (octavate_)
- {
- octavate_->set_property ("break-visibility", vis);
-
- }
- }
-
- clef_ =0;
-
- octavate_ = 0;
- }
-}
+ clef_->set_property ("break-visibility", vis);
+ clef_ = 0;
+ modifier_ = 0;
+ }
+}
-ENTER_DESCRIPTION (Clef_engraver,
-/* descr */ "Determine and set reference point for pitches",
-/* creats*/ "Clef OctavateEight",
-/* accepts */ "",
-/* acks */ "bar-line-interface",
-/* reads */ "clefPosition clefGlyph middleCPosition clefOctavation explicitClefVisibility forceClef",
-/* write */ "");
+ADD_ACKNOWLEDGER (Clef_engraver, bar_line);
+ADD_TRANSLATOR (Clef_engraver,
+ /* doc */
+ "Determine and set reference point for pitches.",
+
+ /* create */
+ "Clef "
+ "ClefModifier ",
+
+ /* read */
+ "clefGlyph "
+ "clefTransposition "
+ "clefTranspositionStyle "
+ "clefPosition "
+ "explicitClefVisibility "
+ "forceClef ",
+
+ /* write */
+ ""
+ );
projects / lilypond.git / blobdiff