source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
Mats Bengtsson <matsb@s3.kth.se>
*/
#include <ctype.h>
#include "translator-group.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
{
public:
protected:
virtual void stop_translation_timestep ();
- virtual void start_translation_timestep ();
virtual void process_music ();
virtual void acknowledge_grob (Grob_info);
private:
- Item * clef_p_;
- Item * octavate_p_;
+ Item * clef_;
+ Item * octavate_;
SCM prev_glyph_;
SCM prev_cpos_;
Clef_engraver::Clef_engraver ()
{
- clef_p_ = 0;
+ clef_ = 0;
octave_dir_ = CENTER;
- octavate_p_ = 0;
+ octavate_ = 0;
/*
will trigger a clef at the start since #f != ' ()
SCM basic = ly_symbol2scm ("Clef");
- daddy_trans_l_->execute_single_pushpop_property (basic, glyph_sym, SCM_UNDEFINED);
- daddy_trans_l_->execute_single_pushpop_property (basic, glyph_sym, glyph);
+ daddy_trans_->execute_pushpop_property (basic, glyph_sym, SCM_UNDEFINED);
+ daddy_trans_->execute_pushpop_property (basic, glyph_sym, glyph);
}
/**
void
Clef_engraver::acknowledge_grob (Grob_info info)
{
- Item * item =dynamic_cast <Item *> (info.grob_l_);
+ Item * item =dynamic_cast <Item *> (info.grob_);
if (item)
{
- if (Bar_line::has_interface (info.grob_l_)
+ if (Bar_line::has_interface (info.grob_)
&& gh_string_p (get_property ("clefGlyph")))
create_clef ();
-
}
}
void
Clef_engraver::create_clef ()
{
- if (!clef_p_)
+ if (!clef_)
{
- Item *c= new Item (get_property ("Clef"));
+ Item *c= make_item ("Clef");
announce_grob(c, SCM_EOL);
- clef_p_ = c;
- }
- SCM cpos = get_property ("clefPosition");
-
- if (gh_number_p (cpos))
- Staff_symbol_referencer::set_position (clef_p_, gh_scm2int (cpos));
-
- SCM oct = get_property ("clefOctavation");
- if (gh_number_p (oct) && gh_scm2int (oct))
- {
- Item * g = new Item (get_property ("OctavateEight"));
+ clef_ = c;
+ SCM cpos = get_property ("clefPosition");
- Side_position_interface::add_support (g,clef_p_);
+ if (gh_number_p (cpos))
+ Staff_symbol_referencer::set_position (clef_, gh_scm2int (cpos));
- g->set_parent (clef_p_, Y_AXIS);
- g->set_parent (clef_p_, X_AXIS);
-
- g->set_grob_property ("direction", gh_int2scm (sign (gh_scm2int (oct))));
- octavate_p_ = g;
- announce_grob(octavate_p_, SCM_EOL);
+ SCM oct = get_property ("clefOctavation");
+ if (gh_number_p (oct) && gh_scm2int (oct))
+ {
+ Item * g = make_item ("OctavateEight");
+
+ int abs_oct = gh_scm2int (oct) ;
+ int dir = sign (abs_oct);
+ abs_oct = abs (abs_oct) + 1;
+
+ g->set_grob_property ("text",
+ scm_number_to_string (gh_int2scm (abs_oct),
+ SCM_MAKINUM (10)));
+ Side_position_interface::add_support (g,clef_);
+
+ g->set_parent (clef_, Y_AXIS);
+ g->set_parent (clef_, X_AXIS);
+ g->set_grob_property ("direction", scm_int2num (dir));
+ octavate_ = g;
+ announce_grob(octavate_, SCM_EOL);
+ }
}
}
-
void
Clef_engraver::process_music ()
{
|| 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
- || to_boolean (force_clef)
-)
+ || to_boolean (force_clef))
{
set_glyph ();
create_clef ();
- clef_p_->set_grob_property ("non-default", SCM_BOOL_T);
+ clef_->set_grob_property ("non-default", SCM_BOOL_T);
prev_cpos_ = clefpos;
prev_glyph_ = glyph;
if (to_boolean (force_clef))
{
- Translator_group * w = daddy_trans_l_->where_defined (ly_symbol2scm ("forceClef"));
+ Translator_group * w = daddy_trans_->where_defined (ly_symbol2scm ("forceClef"));
w->set_property ("forceClef", SCM_EOL);
}
}
void
Clef_engraver::stop_translation_timestep ()
{
- if (clef_p_)
+ if (clef_)
{
SCM vis = 0;
- if (to_boolean (clef_p_->get_grob_property ("non-default")))
+ if (to_boolean (clef_->get_grob_property ("non-default")))
{
vis = get_property ("explicitClefVisibility");
}
if (vis)
{
- clef_p_->set_grob_property ("break-visibility", vis);
- if (octavate_p_)
- octavate_p_->set_grob_property ("break-visibility", vis);
+ clef_->set_grob_property ("break-visibility", vis);
+ if (octavate_)
+ {
+ octavate_->set_grob_property ("break-visibility", vis);
+
+ }
}
- typeset_grob (clef_p_);
- clef_p_ =0;
+ typeset_grob (clef_);
+ clef_ =0;
- if (octavate_p_)
- typeset_grob (octavate_p_);
+ if (octavate_)
+ {
+ typeset_grob (octavate_);
+ }
- octavate_p_ = 0;
+ octavate_ = 0;
}
}
-void
-Clef_engraver::start_translation_timestep ()
-{
-}
-
ENTER_DESCRIPTION(Clef_engraver,
/* descr */ "Determine and set reference point for pitches",
/* creats*/ "Clef OctavateEight",
-/* acks */ "bar-line-interface",
+/* accepts */ "",
+/* acks */ "bar-line-interface",
/* reads */ "clefPosition clefGlyph centralCPosition clefOctavation explicitClefVisibility",
/* write */ "");