/*
- gregorian-ligature.hh -- part of GNU LilyPond
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
-
- (c) 2003 Juergen Reuter <reuter@ipd.uka.de>
+ Copyright (C) 2003--2015 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/>.
*/
#ifndef GREGORIAN_LIGATURE_HH
#define GREGORIAN_LIGATURE_HH
+class Grob;
+#include "std-string.hh"
+#include "grob-interface.hh"
+
+class Gregorian_ligature
+{
+public:
+ static string prefixes_to_str (Grob *);
+};
+
/*
* Head prefixes: these bit-mask constants are used to represent
* attributes immediately derived from user input (e.g. by the user
* setting a gregorian ligature grob property or using the "\~"
* keyword). If the according bit of the head prefix value is set,
* the attribute applies for this head. The binary opereator "\~" is
- * marked only upon the second head (i.e. the note that comes after
- * the operator).
+ * treated like a prefix for the head that follows the operator, but
+ * does not affect the head that precedes the operator, if any.
*/
-#define VIRGA 0x0001 // attribute "\virga"
-#define STROPHA 0x0002 // attribute "\stropha"
-#define INCLINATUM 0x0004 // attribute "\inclinatum"
-#define AUCTUM 0x0008 // attribute "\auctum"
-#define DESCENDENS 0x0010 // attribute "\descendens"
-#define ASCENDENS 0x0020 // attribute "\ascendens"
-#define ORISCUS 0x0040 // attribute "\oriscus"
-#define QUILISMA 0x0080 // attribute "\quilisma"
-#define DEMINUTUM 0x0100 // attribute "\deminutum"
-#define SEMIVOCALIS 0x0100 // attribute "\semivocalis"
-#define CAVUM 0x0200 // attribute "\cavum"
-#define LINEA 0x0400 // attribute "\linea"
+#define VIRGA 0x0001 // attribute "\virga"
+#define STROPHA 0x0002 // attribute "\stropha"
+#define INCLINATUM 0x0004 // attribute "\inclinatum"
+#define AUCTUM 0x0008 // attribute "\auctum"
+#define DESCENDENS 0x0010 // attribute "\descendens"
+#define ASCENDENS 0x0020 // attribute "\ascendens"
+#define ORISCUS 0x0040 // attribute "\oriscus"
+#define QUILISMA 0x0080 // attribute "\quilisma"
+#define DEMINUTUM 0x0100 // attribute "\deminutum"
+#define CAVUM 0x0200 // attribute "\cavum"
+#define LINEA 0x0400 // attribute "\linea"
#define PES_OR_FLEXA 0x0800 // operator "\~"
/*
* Ligature context info: these attributes are derived from the head
- * prefixes by considering the current and the following head.
+ * prefixes by considering the current and the two neighbouring heads.
+ *
+ * These definitions may be extended by more specific Gregorian
+ * ligatures such as vaticana-ligature.hh.
*/
-#define PES_LOWER 0x0001 // this is a head before "\~" in an ascending melody
-#define PES_UPPER 0x0002 // this is a head after "\~" in an ascending melody
-#define FLEXA_LEFT 0x0004 // this is a head before "\~" in a descending melody
-#define FLEXA_RIGHT 0x0008 // this is a head after "\~" in a descending melody
+#define PES_LOWER 0x0001 // this is a head before "\~" in an ascending melody
+#define PES_UPPER 0x0002 // this is a head after "\~" in an ascending melody
+#define FLEXA_LEFT 0x0004 // this is a head before "\~" in a descending melody
+#define FLEXA_RIGHT 0x0008 // this is a head after "\~" in a descending melody
+#define AFTER_DEMINUTUM 0x0020 // previous head was a deminutum
#endif /* GREGORIAN_LIGATURE_HH */