source file of the GNU LilyPond music typesetter
- (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 2000--2002 Jan Nieuwenhuizen <janneke@gnu.org>
*/
#include "engraver.hh"
#include "translator-group.hh"
#include "side-position-interface.hh"
#include "directional-element-interface.hh"
+#include "multi-measure-rest.hh"
class A2_engraver : public Engraver
{
-public:
- A2_engraver ();
- VIRTUAL_COPY_CONS (Translator);
-
+ TRANSLATOR_DECLARATIONS(A2_engraver);
+
protected:
- void deprecated_process_music ();
virtual void acknowledge_grob (Grob_info);
-
virtual void create_grobs ();
virtual void stop_translation_timestep ();
-
private:
Item* text_p_;
enum State { SOLO, SPLIT_INTERVAL, UNIRHYTHM, UNISILENCE, UNISON } state_;
};
-ADD_THIS_TRANSLATOR (A2_engraver);
+
A2_engraver::A2_engraver ()
{
state_ = UNISILENCE;
}
-
void
-A2_engraver::deprecated_process_music ()
+A2_engraver::create_grobs ()
{
if (!to_boolean (get_property ("combineParts")))
return ;
if (solo_adue == SCM_BOOL_T
&& ((solo == SCM_BOOL_T && state_ != SOLO)
|| (unison == SCM_BOOL_T && state_ != UNISON
- && daddy_trans_l_->id_str_ == "one")))
+ && daddy_trans_l_->id_str_.left_str (3) == "one")))
{
text_p_ = new Item (get_property ("TextScript"));
- Side_position::set_axis (text_p_, Y_AXIS);
+ Side_position_interface::set_axis (text_p_, Y_AXIS);
announce_grob (text_p_, 0);
Direction dir = UP;
- SCM text;
+ SCM text = SCM_EOL;
if (solo == SCM_BOOL_T)
{
state_ = SOLO;
- if (daddy_trans_l_->id_str_ == "one")
+ if (daddy_trans_l_->id_str_.left_str (3) == "one")
{
text = get_property ("soloText");
}
else if (unison == SCM_BOOL_T)
{
state_ = UNISON;
- if (daddy_trans_l_->id_str_ == "one")
+ if (daddy_trans_l_->id_str_.left_str (3) == "one")
text = get_property ("aDueText");
}
- Side_position::set_direction (text_p_, dir);
+ Side_position_interface::set_direction (text_p_, dir);
text_p_->set_grob_property ("text", text);
}
}
if (text_p_)
{
- if (Note_head::has_interface (i.elem_l_))
+ if (Note_head::has_interface (i.grob_l_))
{
Grob*t = text_p_;
- Side_position::add_support (t, i.elem_l_);
- if (Side_position::get_axis (t) == X_AXIS
- && !t->parent_l (Y_AXIS))
- t->set_parent (i.elem_l_, Y_AXIS);
+ Side_position_interface::add_support (t, i.grob_l_);
+ if (Side_position_interface::get_axis (t) == X_AXIS
+ && !t->get_parent (Y_AXIS))
+ t->set_parent (i.grob_l_, Y_AXIS);
}
- if (Stem::has_interface (i.elem_l_))
+ if (Stem::has_interface (i.grob_l_))
{
- Side_position::add_support (text_p_, i.elem_l_);
+ Side_position_interface::add_support (text_p_, i.grob_l_);
}
}
state_ = SPLIT_INTERVAL;
else if (unirhythm)
state_ = UNIRHYTHM;
+
+ Direction d = CENTER;
+ if (daddy_trans_l_->id_str_.left_str (3) == "one")
+ d = UP;
+ else if (daddy_trans_l_->id_str_.left_str (3) == "two")
+ d = DOWN;
+
+ /* Must only set direction for VoiceCombines, not for StaffCombines:
+ we can't detect that here, so, ugh, yet another property */
+ if (!to_boolean (get_property ("noDirection"))
+ && (Stem::has_interface (i.grob_l_)
+ || Slur::has_interface (i.grob_l_)
+ // || Tie::has_interface (i.grob_l_)
+ || i.grob_l_->has_interface (ly_symbol2scm ("tie-interface"))
- if (Stem::has_interface (i.elem_l_)
- || Slur::has_interface (i.elem_l_)
- // || Text_item::has_interface (i.elem_l_)
- //|| Hairpin::has_interface (i.elem_l_)
- )
+ /*
+ Usually, dynamics are removed by *_devnull_engravers for the
+ second voice. On the one hand, we don't want all dynamics for
+ the first voice to be placed above the staff. On the other
+ hand, colliding of scripts may be worse.
+ So, we don't set directions for these when we're playing solo.
+ */
+ || (i.grob_l_->has_interface (ly_symbol2scm ("dynamic-interface"))
+ && state_ != SOLO)
+ || (i.grob_l_->has_interface (ly_symbol2scm ("text-interface"))
+ && state_ != SOLO)
+ ))
{
/*
Hmm. We must set dir when solo, in order to get
|| (unirhythm == SCM_BOOL_T && split_interval == SCM_BOOL_T
&& (unison != SCM_BOOL_T || solo_adue != SCM_BOOL_T)))
{
- if (daddy_trans_l_->id_str_ == "one")
- {
- i.elem_l_->set_grob_property ("direction", gh_int2scm (1));
- }
- else if (daddy_trans_l_->id_str_ == "two")
- {
- i.elem_l_->set_grob_property ("direction", gh_int2scm (-1));
- }
+
+ /*
+ Blunt axe method: every grob gets a propertysetting.
+ */
+ i.grob_l_->set_grob_property ("direction", gh_int2scm (d));
}
}
-}
-void
-A2_engraver::create_grobs ()
-{
- deprecated_process_music ();
+ /*
+ todo: should we have separate state variable for being "rest while
+ other has solo?" */
+ if ( Multi_measure_rest::has_interface (i.grob_l_) && d )
+ if (state_ == UNIRHYTHM
+ && unisilence != SCM_BOOL_T)
+ {
+ i.grob_l_->set_grob_property ("staff-position", gh_int2scm (d * 6));
+ }
}
void
{
if (text_p_)
{
- Side_position::add_staff_support (text_p_);
+ Side_position_interface::add_staff_support (text_p_);
typeset_grob (text_p_);
text_p_ = 0;
}
}
+ENTER_DESCRIPTION(A2_engraver,
+/* descr */ "Part combine engraver for orchestral scores.
+
+The markings @emph{a2}, @emph{Solo} and @emph{Solo II}, are
+created by this engraver. It also acts upon instructions of the part
+combiner. Another thing that the this engraver, is forcing of stem,
+slur and tie directions, always when both threads are not identical;
+up for the musicexpr called @code{one}, down for the musicexpr called
+@code{two}.
+
+",
+/* creats*/ "TextScript",
+/* acks */ "grob-interface tie-interface note-head-interface ",
+/* reads */ "combineParts noDirection soloADue soloText soloIIText aDueText split-interval unison solo unisilence unirhythm",
+/* write */ "");
projects / lilypond.git / blobdiff