2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2003--2010 Juergen Reuter <reuter@ipd.uka.de>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef GREGORIAN_LIGATURE_HH
21 #define GREGORIAN_LIGATURE_HH
24 #include "std-string.hh"
25 #include "grob-interface.hh"
28 class Gregorian_ligature
31 DECLARE_GROB_INTERFACE();
32 static string
prefixes_to_str (Grob
*);
36 * Head prefixes: these bit-mask constants are used to represent
37 * attributes immediately derived from user input (e.g. by the user
38 * setting a gregorian ligature grob property or using the "\~"
39 * keyword). If the according bit of the head prefix value is set,
40 * the attribute applies for this head. The binary opereator "\~" is
41 * treated like a prefix for the head that follows the operator, but
42 * does not affect the head that precedes the operator, if any.
44 #define VIRGA 0x0001 // attribute "\virga"
45 #define STROPHA 0x0002 // attribute "\stropha"
46 #define INCLINATUM 0x0004 // attribute "\inclinatum"
47 #define AUCTUM 0x0008 // attribute "\auctum"
48 #define DESCENDENS 0x0010 // attribute "\descendens"
49 #define ASCENDENS 0x0020 // attribute "\ascendens"
50 #define ORISCUS 0x0040 // attribute "\oriscus"
51 #define QUILISMA 0x0080 // attribute "\quilisma"
52 #define DEMINUTUM 0x0100 // attribute "\deminutum"
53 #define CAVUM 0x0200 // attribute "\cavum"
54 #define LINEA 0x0400 // attribute "\linea"
55 #define PES_OR_FLEXA 0x0800 // operator "\~"
58 * Ligature context info: these attributes are derived from the head
59 * prefixes by considering the current and the two neighbouring heads.
61 * These definitions may be extended by more specific Gregorian
62 * ligatures such as vaticana-ligature.hh.
64 #define PES_LOWER 0x0001 // this is a head before "\~" in an
66 #define PES_UPPER 0x0002 // this is a head after "\~" in an
68 #define FLEXA_LEFT 0x0004 // this is a head before "\~" in a
70 #define FLEXA_RIGHT 0x0008 // this is a head after "\~" in a
72 #define AFTER_DEMINUTUM 0x0020 // previous head was a deminutum
74 #endif /* GREGORIAN_LIGATURE_HH */