source file of the GNU LilyPond music typesetter
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "axis-group-engraver.hh"
-#include "axis-group-spanner.hh"
+#include "spanner.hh"
#include "paper-column.hh"
+#include "axis-group-interface.hh"
+#include "engraver.hh"
+#include "engraver-group-engraver.hh"
+
+/**
+ Put stuff in a Spanner with an Axis_group_interface.
+ Use as last element of a context.
+ */
+class Axis_group_engraver : public Engraver
+{
+protected:
+ Spanner *staffline_;
+ Link_array<Grob> elts_;
+ virtual void initialize ();
+ virtual void finalize ();
+ virtual void acknowledge_grob (Grob_info);
+ virtual void process_acknowledged_grobs ();
+ virtual Spanner* get_spanner () const;
+ virtual void add_element (Grob*) ;
+public:
+TRANSLATOR_DECLARATIONS(Axis_group_engraver );
+};
+
+
Axis_group_engraver::Axis_group_engraver ()
{
- staffline_p_ = 0;
+ staffline_ = 0;
}
void
-Axis_group_engraver::do_creation_processing ()
+Axis_group_engraver::initialize ()
{
- staffline_p_ = get_spanner_p ();
- staffline_p_->set_axes (Y_AXIS, Y_AXIS);
- staffline_p_->set_bounds(LEFT,get_staff_info().command_pcol_l ());
- announce_element (Score_element_info (staffline_p_, 0));
+ staffline_ = get_spanner ();
+
+ Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
+
+ staffline_->set_bound (LEFT,it);
+
+ announce_grob(staffline_, SCM_EOL);
}
-Axis_group_spanner*
-Axis_group_engraver::get_spanner_p () const
+Spanner*
+Axis_group_engraver::get_spanner () const
{
- return new Axis_group_spanner;
+ return new Spanner (get_property ("VerticalAxisGroup"));
}
+
void
-Axis_group_engraver::do_removal_processing ()
+Axis_group_engraver::finalize ()
{
- staffline_p_->set_bounds(RIGHT,get_staff_info().command_pcol_l ());
- typeset_element (staffline_p_);
- staffline_p_ = 0;
+ String type = get_daddy_grav ()->type_string_ ;
+ SCM dims = get_property ("verticalExtent");
+
+ if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
+ && gh_number_p (ly_cdr (dims)))
+ {
+ staffline_->set_extent (Grob::preset_extent_proc, Y_AXIS);
+ staffline_->set_grob_property ("Y-extent", dims);
+ }
+
+ dims = get_property ("minimumVerticalExtent");
+ if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
+ && gh_number_p (ly_cdr (dims)))
+ staffline_->set_grob_property ("minimum-Y-extent", dims);
+
+ dims = get_property ("extraVerticalExtent");
+ if (gh_pair_p (dims) && gh_number_p (ly_car (dims))
+ && gh_number_p (ly_cdr (dims)))
+ staffline_->set_grob_property ("extra-Y-extent", dims);
+
+ Grob * it = unsmob_grob (get_property ("currentCommandColumn"));
+
+
+ staffline_->set_bound (RIGHT,it);
+
+ typeset_grob (staffline_);
+ staffline_ = 0;
}
void
-Axis_group_engraver::acknowledge_element (Score_element_info i)
+Axis_group_engraver::acknowledge_grob (Grob_info i)
{
- elts_.push (i.elem_l_);
+ elts_.push (i.grob_);
}
+/*
+ maybe should check if our parent is set, because we now get a
+ cyclic parent relationship if we have two Axis_group_engravers in
+ the context. */
void
-Axis_group_engraver::process_acknowledged ()
+Axis_group_engraver::process_acknowledged_grobs ()
{
+ /* UGH UGH UGH */
for (int i=0; i < elts_.size (); i++)
{
- if (!elts_[i]->parent_l (Y_AXIS))
- staffline_p_->add_element (elts_[i]);
-
- /* UGH UGH UGH */
- else if (elts_[i]->get_elt_property (ly_symbol ("Axis_group_element::add_extra_element")) == SCM_BOOL_F)
- {
- staffline_p_->add_extra_element (elts_[i]);
- }
+ Grob *par = elts_[i]->get_parent (Y_AXIS);
+
+ if ((!par || !Axis_group_interface::has_interface (par))
+ && ! elts_[i]->empty_b (Y_AXIS))
+ add_element (elts_[i]);
}
elts_.clear ();
}
-ADD_THIS_TRANSLATOR(Axis_group_engraver);
+void
+Axis_group_engraver::add_element (Grob*e)
+{
+ Axis_group_interface::add_element (staffline_, e);
+}
+
+////////////////////////////////////////////////////////
+// maybenot such a good idea after all., to put classes in .cc
+
+#include "hara-kiri-group-spanner.hh"
+#include "rhythmic-head.hh"
+
+class Hara_kiri_engraver : public Axis_group_engraver
+{
+protected:
+ virtual Spanner*get_spanner ()const;
+ virtual void acknowledge_grob (Grob_info);
+ virtual void add_element (Grob *e);
+public:
+ TRANSLATOR_DECLARATIONS(Hara_kiri_engraver);
+};
+
+void
+Hara_kiri_engraver::add_element (Grob*e)
+{
+ Hara_kiri_group_spanner::add_element (staffline_, e);
+}
+
+
+Spanner*
+Hara_kiri_engraver::get_spanner () const
+{
+ Spanner * sp = new Spanner (get_property ("HaraKiriVerticalGroup"));
+
+ return sp;
+}
+
+void
+Hara_kiri_engraver::acknowledge_grob (Grob_info i)
+{
+ Axis_group_engraver::acknowledge_grob (i);
+ if (Rhythmic_head::has_interface (i.grob_)
+ || i.grob_->internal_has_interface (ly_symbol2scm ("lyric-syllable-interface")))
+ {
+ Hara_kiri_group_spanner::add_interesting_item (staffline_, i.grob_);
+ }
+}
+
+Hara_kiri_engraver::Hara_kiri_engraver(){}
+
+ENTER_DESCRIPTION(Hara_kiri_engraver,
+/* descr */ "Like Axis_group_engraver, but make a hara kiri spanner, and add
+interesting items (ie. note heads, lyric syllables and normal rests)
+",
+/* creats*/ "HaraKiriVerticalGroup",
+/* acks */ "grob-interface",
+/* reads */ "",
+/* write */ "");
+
+ENTER_DESCRIPTION(Axis_group_engraver,
+/* descr */ "Group all objects created in this context in a VerticalAxisGroup spanner.",
+/* creats*/ "VerticalAxisGroup",
+/* acks */ "grob-interface",
+/* reads */ "verticalExtent minimumVerticalExtent extraVerticalExtent",
+/* write */ "");
projects / lilypond.git / blobdiff