/*
- vaticana-ligature-engraver.cc -- implement Vaticana_ligature_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2003--2010 Juergen Reuter <reuter@ipd.uka.de>
- (c) 2003--2006 Juergen Reuter <reuter@ipd.uka.de>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gregorian-ligature-engraver.hh"
#include "international.hh"
#include "output-def.hh"
#include "paper-column.hh"
+#include "separation-item.hh"
#include "spanner.hh"
#include "staff-symbol-referencer.hh"
#include "stream-event.hh"
* negative impact, since dotted notes appear within a ligature
* usually always at the end of the ligature, such that the bug never
* should apply for valid ligatures.
+ *
+ * TODO: Graduale Triplex, tempus per annum, hebdomada septima,
+ * alleluia (page 280) shows a counter-example for collecting dots
+ * always in a single column behind the ligature. Maybe only the last
+ * two dots in a ligature should be collected and all other dots put
+ * behind or on top of the head?
*/
class Vaticana_ligature_engraver : public Gregorian_ligature_engraver
{
Real thickness);
void check_for_prefix_loss (Item *primitive);
void check_for_ambiguous_dot_pitch (Grob_info primitive);
- void add_mora_column (Grob *paper_column);
+ void add_mora_column (Paper_column *column);
vector<Grob_info> augmented_primitives_;
public:
Vaticana_ligature_engraver::is_stacked_head (int prefix_set,
int context_info)
{
- bool is_stacked_b;
+ bool is_stacked;
// upper head of pes is stacked upon lower head of pes ...
- is_stacked_b = context_info & PES_UPPER;
+ is_stacked = context_info & PES_UPPER;
// ... unless this note starts a flexa
if (context_info & FLEXA_LEFT)
- is_stacked_b = false;
+ is_stacked = false;
// ... or another pes
if (context_info & PES_LOWER)
- is_stacked_b = false;
+ is_stacked = false;
// ... or the previous note is a semivocalis or inclinatum
if (context_info & AFTER_DEMINUTUM)
- is_stacked_b = false;
+ is_stacked = false;
// auctum head is never stacked upon preceding note
if (prefix_set & AUCTUM)
- is_stacked_b = false;
+ is_stacked = false;
// virga is never stacked upon preceding note
if (prefix_set & VIRGA)
- is_stacked_b = false;
+ is_stacked = false;
// oriscus is never stacked upon preceding note
if (prefix_set & ORISCUS)
- is_stacked_b = false;
+ is_stacked = false;
if ((prefix_set & DEMINUTUM)
&& ! (prefix_set & INCLINATUM)
&& (context_info & FLEXA_RIGHT))
- is_stacked_b = true; // semivocalis head of deminutus form
+ is_stacked = true; // semivocalis head of deminutus form
- return is_stacked_b;
+ return is_stacked;
}
/*
if (glyph_name_scm == SCM_EOL)
{
primitive->programming_error ("Vaticana_ligature:"
- "undefined glyph-name -> "
- "ignoring grob");
+ " undefined glyph-name ->"
+ " ignoring grob");
continue;
}
string glyph_name = ly_scm2string (glyph_name_scm);
else
{
primitive->programming_error ("Vaticana_ligature:"
- "delta-position undefined -> "
- "ignoring grob");
+ " delta-position undefined ->"
+ " ignoring grob");
continue;
}
}
/*
* Horizontally line-up this head to form a ligature.
*/
- get_set_column (primitive, column);
- primitive->translate_axis (ligature_width, X_AXIS);
+ move_related_items_to_column (primitive, column, ligature_width);
ligature_width += head_width;
prev_primitive = primitive;
}
void
-Vaticana_ligature_engraver::add_mora_column (Grob *paper_column)
+Vaticana_ligature_engraver::add_mora_column (Paper_column *column)
{
if (augmented_primitives_.size () == 0) // no dot for column
return;
- if (!paper_column) // empty ligature???
+ if (!column) // empty ligature???
{
augmented_primitives_[0].grob ()->
programming_error ("no paper column to add dot");
return;
}
Item *dotcol = make_item ("DotColumn", SCM_EOL);
- dotcol->set_parent (paper_column, X_AXIS);
+ dotcol->set_parent (column, X_AXIS);
for (vsize i = 0; i < augmented_primitives_.size (); i++)
{
Item *primitive =
dot->set_parent (primitive, Y_AXIS);
primitive->set_object ("dot", dot->self_scm ());
Dot_column::add_head (dotcol, primitive);
+
+ // FIXME: why isn't the dot picked up by Paper_column_engraver?
+ Separation_item::add_item (column, dot);
}
}
void
Vaticana_ligature_engraver::check_for_ambiguous_dot_pitch (Grob_info primitive)
{
- // TODO: Fix performance, which is currently O(n^2) (since this
- // method is called O(n) times and takes O(n) steps in the for
- // loop), but could be O(n) (by replacing the for loop by e.g. a
- // bitmask based O(1) test); where n=<number of primitives in the
+ // TODO: Fix performance, which is currently O (n^2) (since this
+ // method is called O (n) times and takes O (n) steps in the for
+ // loop), but could be O (n) (by replacing the for loop by e.g. a
+ // bitmask based O (1) test); where n=<number of primitives in the
// ligature> (which is typically small (n<10), though).
Stream_event *new_cause = primitive.event_cause ();
int new_pitch = unsmob_pitch (new_cause->get_property ("pitch"))->steps ();
else
{
primitive->programming_error ("Vaticana_ligature:"
- "delta-position undefined -> "
- "ignoring grob");
+ " delta-position undefined ->"
+ " ignoring grob");
continue;
}
else
glyph_name = "vaticana.inclinatum";
else if (prefix_set & DEMINUTUM)
- if (i == 0)
- {
- // initio debilis
- glyph_name = "vaticana.reverse.plica";
- }
- else if (prev_delta_pitch > 0)
- {
- // epiphonus
- if (! (prev_context_info & FLEXA_RIGHT))
- /* correct head of previous primitive */
+ {
+ if (i == 0)
+ {
+ // initio debilis
+ glyph_name = "vaticana.reverse.plica";
+ }
+ else if (prev_delta_pitch > 0)
+ {
+ // epiphonus
+ if (! (prev_context_info & FLEXA_RIGHT))
+ {
+ /* correct head of previous primitive */
+ if (prev_delta_pitch > 1)
+ prev_glyph_name = "vaticana.epiphonus";
+ else
+ prev_glyph_name = "vaticana.vepiphonus";
+ }
if (prev_delta_pitch > 1)
- prev_glyph_name = "vaticana.epiphonus";
+ glyph_name = "vaticana.plica";
else
- prev_glyph_name = "vaticana.vepiphonus";
- if (prev_delta_pitch > 1)
- glyph_name = "vaticana.plica";
- else
- glyph_name = "vaticana.vplica";
- }
- else if (prev_delta_pitch < 0)
- {
- // cephalicus
- if (! (prev_context_info & FLEXA_RIGHT))
- /* correct head of previous primitive */
- {
- if (i > 1)
- {
- /* cephalicus head with fixed size cauda */
- prev_glyph_name = "vaticana.inner.cephalicus";
- }
- else
- {
- /* cephalicus head without cauda */
- prev_glyph_name = "vaticana.cephalicus";
- }
-
- /*
- * Flexa has no variable size cauda if its left head is
- * stacked on the right head. This is true for
- * cephalicus. Hence, remove the cauda.
- *
- * Urgh: for the current implementation, this rule only
- * applies for cephalicus; but it is a fundamental rule.
- * Therefore, the following line of code should be
- * placed somewhere else.
- */
- prev_primitive->set_property ("add-cauda",
- ly_bool2scm (false));
- }
- if (prev_delta_pitch < - 1)
- glyph_name = "vaticana.reverse.plica";
- else
- glyph_name = "vaticana.reverse.vplica";
- }
- else // (prev_delta_pitch == 0)
- {
- primitive->programming_error ("Vaticana_ligature:"
- "deminutum head must have different "
- "pitch -> ignoring grob");
- }
+ glyph_name = "vaticana.vplica";
+ }
+ else if (prev_delta_pitch < 0)
+ {
+ // cephalicus
+ if (! (prev_context_info & FLEXA_RIGHT))
+ /* correct head of previous primitive */
+ {
+ if (i > 1)
+ {
+ /* cephalicus head with fixed size cauda */
+ prev_glyph_name = "vaticana.inner.cephalicus";
+ }
+ else
+ {
+ /* cephalicus head without cauda */
+ prev_glyph_name = "vaticana.cephalicus";
+ }
+
+ /*
+ * Flexa has no variable size cauda if its left head is
+ * stacked on the right head. This is true for
+ * cephalicus. Hence, remove the cauda.
+ *
+ * Urgh: for the current implementation, this rule only
+ * applies for cephalicus; but it is a fundamental rule.
+ * Therefore, the following line of code should be
+ * placed somewhere else.
+ */
+ prev_primitive->set_property ("add-cauda",
+ ly_bool2scm (false));
+ }
+ if (prev_delta_pitch < - 1)
+ glyph_name = "vaticana.reverse.plica";
+ else
+ glyph_name = "vaticana.reverse.vplica";
+ }
+ else // (prev_delta_pitch == 0)
+ {
+ primitive->programming_error ("Vaticana_ligature:"
+ " deminutum head must have different"
+ " pitch -> ignoring grob");
+ }
+ }
else if (prefix_set & (CAVUM | LINEA))
if ((prefix_set & CAVUM) && (prefix_set & LINEA))
glyph_name = "vaticana.linea.punctum.cavum";
if ((context_info & PES_UPPER) && (context_info & STACKED_HEAD))
{
if (prev_glyph_name == "vaticana.punctum")
- if (prev_delta_pitch > 1)
- prev_glyph_name = "vaticana.lpes";
- else
- prev_glyph_name = "vaticana.vlpes";
+ {
+ if (prev_delta_pitch > 1)
+ prev_glyph_name = "vaticana.lpes";
+ else
+ prev_glyph_name = "vaticana.vlpes";
+ }
}
}
if (prev_primitive)
prev_primitive->set_property ("glyph-name",
- scm_makfrom0str (prev_glyph_name.c_str ()));
+ ly_string2scm (prev_glyph_name));
/*
* In the backend, flexa shapes and joins need to know about line
}
prev_primitive->set_property ("glyph-name",
- scm_makfrom0str (prev_glyph_name.c_str ()));
+ ly_string2scm (prev_glyph_name));
align_heads (primitives, flexa_width, thickness);
// append all dots to paper column of ligature's last head
- add_mora_column (prev_primitive->get_parent (X_AXIS));
+ add_mora_column (prev_primitive->get_column ());
#if 0 // experimental code to collapse spacing after ligature
/* TODO: set to max (old/new spacing-increment), since other
ADD_ACKNOWLEDGER (Vaticana_ligature_engraver, rest);
ADD_ACKNOWLEDGER (Vaticana_ligature_engraver, note_head);
ADD_TRANSLATOR (Vaticana_ligature_engraver,
- /* doc */ "Handles ligatures by glueing special ligature heads together.",
- /* create */ "VaticanaLigature DotColumn",
- /* accept */ "ligature-event",
- /* read */ "",
- /* write */ "");
+ /* doc */
+ "Handle ligatures by glueing special ligature heads together.",
+
+ /* create */
+ "VaticanaLigature "
+ "DotColumn ",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );