source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
#include "engraver.hh"
-#include "g-staff-side.hh"
-#include "g-text-item.hh"
-#include "text-def.hh"
-#include "note-head.hh"
+#include "side-position-interface.hh"
+#include "item.hh"
+#include "musical-request.hh"
#include "stem.hh"
-#include "staff-symbol.hh"
+#include "rhythmic-head.hh"
+/**
+ typeset directions that are plain text.
+ */
class Text_engraver : public Engraver
{
- Link_array<Script_req> reqs_;
- Link_array<G_staff_side_item> positionings_;
- Link_array<G_text_item> texts_;
+ Link_array<Text_script_req> reqs_;
+ Link_array<Item> texts_;
public:
- Text_engraver();
VIRTUAL_COPY_CONS(Translator);
protected:
virtual bool do_try_music (Music* m);
virtual void do_pre_move_processing ();
virtual void do_post_move_processing ();
- virtual void do_process_requests ();
+ virtual void do_process_music ();
virtual void acknowledge_element (Score_element_info);
};
-Text_engraver::Text_engraver ()
-{
-
-}
bool
Text_engraver::do_try_music (Music *m)
{
- if (Script_req *r = dynamic_cast<Script_req*> (m))
+ if (Text_script_req *r = dynamic_cast<Text_script_req*> (m))
{
- Text_def * t = dynamic_cast<Text_def*> (r->scriptdef_p_);
- if (!t)
+ if (r->style_str_ == "dynamic")
return false;
+
reqs_.push (r);
return true;
}
void
-Text_engraver::acknowledge_element (Score_element_info i)
+Text_engraver::acknowledge_element (Score_element_info inf)
{
- if (Note_head *n = dynamic_cast<Note_head*> (i.elem_l_))
+ if (Rhythmic_head::has_interface (inf.elem_l_))
{
- for (int i=0; i < positionings_.size (); i++)
+ for (int i=0; i < texts_.size (); i++)
{
- positionings_[i]->add_support (n);
+ Score_element*t = texts_[i];
+ Side_position::add_support (t,inf.elem_l_);
+ if (Side_position::get_axis( t) == X_AXIS
+ && !t->parent_l (Y_AXIS))
+ t->set_parent (inf.elem_l_, Y_AXIS);
}
}
- if (Stem *n = dynamic_cast<Stem*> (i.elem_l_))
+ if (Stem::has_interface (inf.elem_l_))
{
- for (int i=0; i < positionings_.size (); i++)
+ for (int i=0; i < texts_.size (); i++)
{
- positionings_[i]->add_support (n);
+ Side_position::add_support(texts_[i],inf.elem_l_);
}
}
}
void
-Text_engraver::do_process_requests ()
+Text_engraver::do_process_music ()
{
for (int i=0; i < reqs_.size (); i++)
{
- Script_req * r = reqs_[i];
- Text_def * t= dynamic_cast<Text_def*> (r->scriptdef_p_);
+ Text_script_req * r = reqs_[i];
- G_text_item *text = new G_text_item;
- G_staff_side_item *ss = new G_staff_side_item;
+ Item *text = new Item (get_property ("basicTextScriptProperties"));
+
- ss->set_victim (text);
- ss->dir_ = r->dir_;
- Scalar p (get_property ("textstyle", 0)); // textStyle?
- if (p.length_i ())
- text->style_str_ = p;
- text->text_str_ = t->text_str_;
+ SCM axisprop = get_property ("scriptHorizontal");
- Scalar padding = get_property ("textScriptPadding", 0);
- if (padding.length_i() && padding.isnum_b ())
- {
- ss->set_elt_property (padding_scm_sym, gh_double2scm(Real(padding)));
- }
+ Side_position::set_axis (text, to_boolean (axisprop) ? X_AXIS : Y_AXIS);
- Scalar empty = get_property ("textEmptyDimension", 0);
- if (empty.to_bool ())
- {
- text->dim_cache_[X_AXIS].set_empty (true);
- }
+ /*
+ make sure they're in order by adding i to the priority field.
+ */
+ text->set_elt_property ("script-priority",
+ gh_int2scm (200 + i));
+
+ if (r->get_direction ())
+ Side_position::set_direction (text, r->get_direction ());
- announce_element (Score_element_info (text, r));
- announce_element (Score_element_info (ss, r));
+ text->set_elt_property ("text",
+ ly_str02scm ( r->text_str_.ch_C ()));
+
+ if (r->style_str_.length_i ())
+ text->set_elt_property ("style", ly_str02scm (r->style_str_.ch_C()));
+
+ /*
+ Text is empty by default, which means that the only condition
+ for not setting 'no-spacing-rods' should be: boolean && true.
+ Anyway, non-empty text has been broken for some time now.
+ */
+ SCM nonempty = get_property ("textNonEmpty");
+ if (!to_boolean (nonempty))
+ /*
+ empty text: signal that no rods should be applied.
+ */
+ text->set_elt_property ("no-spacing-rods" , SCM_BOOL_T);
+
+
+ announce_element (text, r);
texts_.push (text);
- positionings_.push (ss);
}
}
{
for (int i=0; i < texts_.size (); i++)
{
- typeset_element (texts_[i]);
- typeset_element (positionings_[i]);
+ Item *ti = texts_[i];
+ Side_position::add_staff_support (ti);
+ typeset_element (ti);
}
texts_.clear ();
- positionings_.clear ();
}
void
}
ADD_THIS_TRANSLATOR(Text_engraver);
+