2 a2-engraver.cc -- implement A2_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
11 #include "note-head.hh"
14 #include "translator-group.hh"
15 #include "side-position-interface.hh"
16 #include "directional-element-interface.hh"
18 class A2_engraver : public Engraver
22 VIRTUAL_COPY_CONS (Translator);
25 virtual void do_process_music ();
26 virtual void acknowledge_element (Score_element_info);
28 virtual void do_pre_move_processing ();
32 enum State { SOLO, SPLIT_INTERVAL, UNIRHYTHM, UNISILENCE, UNISON } state_;
35 ADD_THIS_TRANSLATOR (A2_engraver);
37 A2_engraver::A2_engraver ()
44 A2_engraver::do_process_music ()
48 SCM unison = get_property ("unison");
49 SCM solo = get_property ("solo");
50 SCM solo_adue = get_property ("soloADue");
52 if (solo_adue == SCM_BOOL_T
53 && ((solo == SCM_BOOL_T && state_ != SOLO)
54 || (unison == SCM_BOOL_T && state_ != UNISON
55 && daddy_trans_l_->id_str_ == "one")))
57 text_p_ = new Item (get_property ("basicTextScriptProperties"));
58 Side_position::set_axis (text_p_, Y_AXIS);
59 announce_element (text_p_, 0);
63 if (solo == SCM_BOOL_T)
66 if (daddy_trans_l_->id_str_ == "one")
68 text = get_property ("soloText");
72 text = get_property ("soloIIText");
76 else if (unison == SCM_BOOL_T)
79 if (daddy_trans_l_->id_str_ == "one")
80 text = get_property ("aDueText");
83 Side_position::set_direction (text_p_, dir);
84 text_p_->set_elt_property ("text", text);
90 A2_engraver::acknowledge_element (Score_element_info i)
94 if (Note_head::has_interface (i.elem_l_))
96 Score_element*t = text_p_;
97 Side_position::add_support (t, i.elem_l_);
98 if (Side_position::get_axis (t) == X_AXIS
99 && !t->parent_l (Y_AXIS))
100 t->set_parent (i.elem_l_, Y_AXIS);
102 if (Stem::has_interface (i.elem_l_))
104 Side_position::add_support (text_p_, i.elem_l_);
108 SCM unisilence = get_property ("unisilence");
109 SCM unison = get_property ("unison");
110 SCM unirhythm = get_property ("unirhythm");
111 SCM solo = get_property ("solo");
112 SCM split_interval = get_property ("split-interval");
113 SCM solo_adue = get_property ("soloADue");
115 State previous_state = state_;
116 if (unisilence == SCM_BOOL_T)
121 else if (solo == SCM_BOOL_T)
123 else if (unison == SCM_BOOL_T)
125 else if (unirhythm == SCM_BOOL_T && split_interval == SCM_BOOL_T)
126 state_ = SPLIT_INTERVAL;
130 if (Stem::has_interface (i.elem_l_)
131 || Slur::has_interface (i.elem_l_)
132 // || Text_item::has_interface (i.elem_l_)
133 //|| Crescendo::has_interface (i.elem_l_)
137 Hmm. We must set dir when solo, in order to get
138 the rests collided to the right position
140 if ((unirhythm != SCM_BOOL_T) || (solo == SCM_BOOL_T)
141 || ((unisilence == SCM_BOOL_T && previous_state != UNISON))
142 || (unirhythm == SCM_BOOL_T && split_interval == SCM_BOOL_T
143 && (unison != SCM_BOOL_T || solo_adue != SCM_BOOL_T)))
145 if (daddy_trans_l_->id_str_ == "one")
147 i.elem_l_->set_elt_property ("direction", gh_int2scm (1));
149 else if (daddy_trans_l_->id_str_ == "two")
151 i.elem_l_->set_elt_property ("direction", gh_int2scm (-1));
158 A2_engraver::do_pre_move_processing ()
162 Side_position::add_staff_support (text_p_);
163 typeset_element (text_p_);