/*
- gregorian-ligature-engraver.cc -- implement Gregorian_ligature_engraver
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2003--2015 Juergen Reuter <reuter@ipd.uka.de>
- (c) 2003--2007 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"
* engravers for Gregorian chant will be added in the future, such as
* Medicaea_ligature_engraver or Hufnagel_ligature_engraver.
*/
-Gregorian_ligature_engraver::Gregorian_ligature_engraver ()
+Gregorian_ligature_engraver::Gregorian_ligature_engraver (Context *c)
+ : Coherent_ligature_engraver (c)
{
pes_or_flexa_req_ = 0;
}
}
void fix_prefix (char const *name, int mask,
- int *current_set, int min_set, int max_set,
- Grob *primitive)
+ int *current_set, int min_set, int max_set,
+ Grob *primitive)
{
bool current = *current_set & mask;
bool min = min_set & mask;
fix_prefix ("pes_or_flexa", LINEA, current_set, min_set, max_set, primitive);
}
-void check_and_fix_all_prefixes (vector<Grob_info> primitives)
+void check_and_fix_all_prefixes (vector<Grob_info> const &primitives)
{
/* Check for invalid head modifier combinations */
for (vsize i = 0; i < primitives.size (); i++)
/* compute head prefix set by inspecting primitive grob properties */
int prefix_set
- = (VIRGA *to_boolean (primitive->get_property ("virga")))
- | (STROPHA *to_boolean (primitive->get_property ("stropha")))
- | (INCLINATUM *to_boolean (primitive->get_property ("inclinatum")))
- | (AUCTUM *to_boolean (primitive->get_property ("auctum")))
- | (DESCENDENS *to_boolean (primitive->get_property ("descendens")))
- | (ASCENDENS *to_boolean (primitive->get_property ("ascendens")))
- | (ORISCUS *to_boolean (primitive->get_property ("oriscus")))
- | (QUILISMA *to_boolean (primitive->get_property ("quilisma")))
- | (DEMINUTUM *to_boolean (primitive->get_property ("deminutum")))
- | (CAVUM *to_boolean (primitive->get_property ("cavum")))
- | (LINEA *to_boolean (primitive->get_property ("linea")))
- | (PES_OR_FLEXA *to_boolean (primitive->get_property ("pes-or-flexa")));
+ = (VIRGA * to_boolean (primitive->get_property ("virga")))
+ | (STROPHA * to_boolean (primitive->get_property ("stropha")))
+ | (INCLINATUM * to_boolean (primitive->get_property ("inclinatum")))
+ | (AUCTUM * to_boolean (primitive->get_property ("auctum")))
+ | (DESCENDENS * to_boolean (primitive->get_property ("descendens")))
+ | (ASCENDENS * to_boolean (primitive->get_property ("ascendens")))
+ | (ORISCUS * to_boolean (primitive->get_property ("oriscus")))
+ | (QUILISMA * to_boolean (primitive->get_property ("quilisma")))
+ | (DEMINUTUM * to_boolean (primitive->get_property ("deminutum")))
+ | (CAVUM * to_boolean (primitive->get_property ("cavum")))
+ | (LINEA * to_boolean (primitive->get_property ("linea")))
+ | (PES_OR_FLEXA * to_boolean (primitive->get_property ("pes-or-flexa")));
/* check: ascendens and descendens exclude each other; same with
- auctum and deminutum */
+ auctum and deminutum */
if (prefix_set & DESCENDENS)
- {
- fix_prefix_set (&prefix_set,
- prefix_set & ~ASCENDENS,
- prefix_set & ~ASCENDENS,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ prefix_set & ~ASCENDENS,
+ prefix_set & ~ASCENDENS,
+ primitive);
+ }
if (prefix_set & AUCTUM)
- {
- fix_prefix_set (&prefix_set,
- prefix_set & ~DEMINUTUM,
- prefix_set & ~DEMINUTUM,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ prefix_set & ~DEMINUTUM,
+ prefix_set & ~DEMINUTUM,
+ primitive);
+ }
/* check: virga, quilisma and oriscus cannot be combined with any
- other prefix, but may be part of a pes or flexa */
+ other prefix, but may be part of a pes or flexa */
if (prefix_set & VIRGA)
- {
- fix_prefix_set (&prefix_set,
- VIRGA,
- VIRGA | PES_OR_FLEXA,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ VIRGA,
+ VIRGA | PES_OR_FLEXA,
+ primitive);
+ }
if (prefix_set & QUILISMA)
- {
- fix_prefix_set (&prefix_set,
- QUILISMA,
- QUILISMA | PES_OR_FLEXA,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ QUILISMA,
+ QUILISMA | PES_OR_FLEXA,
+ primitive);
+ }
if (prefix_set & ORISCUS)
- {
- fix_prefix_set (&prefix_set,
- ORISCUS,
- ORISCUS | PES_OR_FLEXA,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ ORISCUS,
+ ORISCUS | PES_OR_FLEXA,
+ primitive);
+ }
/* check: auctum is the only valid optional prefix for stropha */
if (prefix_set & STROPHA)
- {
- fix_prefix_set (&prefix_set,
- STROPHA,
- STROPHA | AUCTUM,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ STROPHA,
+ STROPHA | AUCTUM,
+ primitive);
+ }
/* check: inclinatum may be prefixed with auctum or deminutum only */
if (prefix_set & INCLINATUM)
- {
- fix_prefix_set (&prefix_set,
- INCLINATUM,
- INCLINATUM | AUCTUM | DEMINUTUM,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ INCLINATUM,
+ INCLINATUM | AUCTUM | DEMINUTUM,
+ primitive);
+ }
/* check: semivocalis (deminutum but not inclinatum) must occur in
- combination with and only with pes or flexa */
+ combination with and only with pes or flexa */
else if (prefix_set & DEMINUTUM)
- {
- fix_prefix_set (&prefix_set,
- DEMINUTUM | PES_OR_FLEXA,
- DEMINUTUM | PES_OR_FLEXA,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ DEMINUTUM | PES_OR_FLEXA,
+ DEMINUTUM | PES_OR_FLEXA,
+ primitive);
+ }
/* check: cavum and linea (either or both) may be applied only
- upon core punctum */
+ upon core punctum */
if (prefix_set & (CAVUM | LINEA))
- {
- fix_prefix_set (&prefix_set,
- 0,
- CAVUM | LINEA,
- primitive);
- }
+ {
+ fix_prefix_set (&prefix_set,
+ 0,
+ CAVUM | LINEA,
+ primitive);
+ }
/* all other combinations should be valid (unless I made a
- mistake) */
+ mistake) */
primitive->set_property ("prefix-set", scm_from_int (prefix_set));
}
* Marks those heads that participate in a pes or flexa.
*/
void
-provide_context_info (vector<Grob_info> primitives)
+provide_context_info (vector<Grob_info> const &primitives)
{
Grob *prev_primitive = 0;
int prev_prefix_set = 0;
Grob *primitive = primitives[i].grob ();
Stream_event *event_cause = primitives[i].event_cause ();
int context_info = 0;
- int pitch = unsmob_pitch (event_cause->get_property ("pitch"))->steps ();
+ int pitch = unsmob<Pitch> (event_cause->get_property ("pitch"))->steps ();
int prefix_set = scm_to_int (primitive->get_property ("prefix-set"));
if (prefix_set & PES_OR_FLEXA)
- if (!i) // ligature may not start with 2nd head of pes or flexa
- primitive->warning (_ ("cannot apply `\\~' on first head of ligature"));
- else if (pitch > prev_pitch) // pes
- {
- prev_context_info |= PES_LOWER;
- context_info |= PES_UPPER;
- }
- else if (pitch < prev_pitch) // flexa
- {
- prev_context_info |= FLEXA_LEFT;
- context_info |= FLEXA_RIGHT;
- }
- else // (pitch == prev_pitch)
- primitive->warning (_ ("cannot apply `\\~' on heads with identical pitch"));
+ {
+ if (!i) // ligature may not start with 2nd head of pes or flexa
+ primitive->warning (_ ("cannot apply `\\~' on first head of ligature"));
+ else if (pitch > prev_pitch) // pes
+ {
+ prev_context_info |= PES_LOWER;
+ context_info |= PES_UPPER;
+ }
+ else if (pitch < prev_pitch) // flexa
+ {
+ prev_context_info |= FLEXA_LEFT;
+ context_info |= FLEXA_RIGHT;
+ }
+ else // (pitch == prev_pitch)
+ primitive->warning (_ ("cannot apply `\\~' on heads with identical pitch"));
+ }
if (prev_prefix_set & DEMINUTUM)
- context_info |= AFTER_DEMINUTUM;
+ context_info |= AFTER_DEMINUTUM;
if (prev_primitive)
- prev_primitive->set_property ("context-info",
- scm_from_int (prev_context_info));
+ prev_primitive->set_property ("context-info",
+ scm_from_int (prev_context_info));
prev_primitive = primitive;
prev_prefix_set = prefix_set;
prev_context_info = context_info;
}
if (prev_primitive)
prev_primitive->set_property ("context-info",
- scm_from_int (prev_context_info));
+ scm_from_int (prev_context_info));
}
void
Gregorian_ligature_engraver::build_ligature (Spanner *ligature,
- vector<Grob_info> primitives)
+ vector<Grob_info> const &primitives)
{
// apply style-independent checking and transformation
check_and_fix_all_prefixes (primitives);