2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2002--2010 Juergen Reuter <reuter@ipd.uka.de>,
5 Pal Benko <benkop@freestart.hu>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "mensural-ligature.hh"
23 #include "font-interface.hh"
24 #include "international.hh"
27 #include "note-head.hh"
28 #include "output-def.hh"
29 #include "staff-symbol-referencer.hh"
33 * TODO: divide this function into mensural and neo-mensural style.
35 * TODO: move this function to class Lookup?
42 Real vertical_line_thickness
)
44 Real staff_space
= Staff_symbol_referencer::staff_space (me
);
45 Real slope
= (interval
/ 2.0 * staff_space
) / width
;
47 // Compensate optical illusion regarding vertical position of left
48 // and right endings due to slope.
49 Real ypos_correction
= -0.1 * staff_space
* sign (slope
);
50 Real slope_correction
= 0.2 * staff_space
* sign (slope
);
51 Real corrected_slope
= slope
+ slope_correction
/ width
;
54 if (solid
) // colorated flexae
57 = Lookup::beam (corrected_slope
, width
, staff_space
, 0.0);
58 stencil
.add_stencil (solid_head
);
63 The thickness of the horizontal lines of the flexa shape
64 should be equal to that of the horizontal lines of the
65 neomensural brevis note head (see mf/parmesan-heads.mf).
67 Real
const horizontal_line_thickness
= staff_space
* 0.35;
69 // URGH! vertical_line_thickness is adjustable (via thickness
70 // property), while horizontal_line_thickness is constant.
71 // Maybe both should be adjustable independently?
73 Real height
= staff_space
- horizontal_line_thickness
;
76 = Lookup::beam (corrected_slope
, vertical_line_thickness
, height
, 0.0);
77 stencil
.add_stencil (left_edge
);
80 = Lookup::beam (corrected_slope
, vertical_line_thickness
, height
, 0.0);
81 right_edge
.translate_axis (width
- vertical_line_thickness
, X_AXIS
);
82 right_edge
.translate_axis ((width
- vertical_line_thickness
) *
83 corrected_slope
, Y_AXIS
);
84 stencil
.add_stencil (right_edge
);
87 = Lookup::beam (corrected_slope
, width
,
88 horizontal_line_thickness
, 0.0);
89 bottom_edge
.translate_axis (-0.5 * height
, Y_AXIS
);
90 stencil
.add_stencil (bottom_edge
);
93 = Lookup::beam (corrected_slope
, width
,
94 horizontal_line_thickness
, 0.0);
95 top_edge
.translate_axis (+0.5 * height
, Y_AXIS
);
96 stencil
.add_stencil (top_edge
);
98 stencil
.translate_axis (ypos_correction
, Y_AXIS
);
103 internal_brew_primitive (Grob
*me
)
105 SCM primitive_scm
= me
->get_property ("primitive");
106 if (primitive_scm
== SCM_EOL
)
108 programming_error ("Mensural_ligature: "
109 "undefined primitive -> ignoring grob");
110 return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
112 int primitive
= scm_to_int (primitive_scm
);
116 Real thickness
= 0.0;
118 Real staff_space
= Staff_symbol_referencer::staff_space (me
);
119 if (primitive
& MLP_ANY
)
120 thickness
= robust_scm2double (me
->get_property ("thickness"), .14);
122 if (primitive
& MLP_FLEXA
)
124 delta_pitch
= robust_scm2int (me
->get_property ("delta-position"),
127 = robust_scm2double (me
->get_property ("flexa-width"), 2.0 * staff_space
);
129 if (primitive
& MLP_SINGLE_HEAD
)
130 width
= robust_scm2double (me
->get_property ("head-width"), staff_space
);
132 switch (primitive
& MLP_ANY
)
135 return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
136 case MLP_LONGA
: // mensural brevis head with right cauda
137 out
= Font_interface::get_default_font (me
)->find_by_name
138 ("noteheads.sM2mensural");
140 case MLP_BREVIS
: // mensural brevis head
141 out
= Font_interface::get_default_font (me
)->find_by_name
142 ("noteheads.sM1mensural");
144 case MLP_MAXIMA
: // should be mensural maxima head without stem
145 out
= Font_interface::get_default_font (me
)->find_by_name
146 ("noteheads.sM1neomensural");
149 out
= brew_flexa (me
, delta_pitch
, false, width
, thickness
);
152 programming_error (_ ("Mensural_ligature: "
153 "unexpected case fall-through"));
154 return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
158 = (me
->layout ()->get_dimension (ly_symbol2scm ("blot-diameter")));
160 if (primitive
& MLP_STEM
)
163 Real y_bottom
= 0.0, y_top
= 3.0 * staff_space
;
165 if (primitive
& MLP_DOWN
)
171 Interval
x_extent (0, thickness
);
172 Interval
y_extent (y_bottom
, y_top
);
173 Box
join_box (x_extent
, y_extent
);
175 Stencil join
= Lookup::round_filled_box (join_box
, blotdiameter
);
176 out
.add_stencil (join
);
179 SCM join_right_scm
= me
->get_property ("join-right-amount");
181 if (scm_is_number (join_right_scm
))
183 int join_right
= scm_to_int (join_right_scm
);
186 Real y_top
= join_right
* 0.5 * staff_space
;
195 Interval
x_extent (width
- thickness
, width
);
196 Interval
y_extent (y_bottom
, y_top
);
197 Box
join_box (x_extent
, y_extent
);
198 Stencil join
= Lookup::round_filled_box (join_box
, blotdiameter
);
200 out
.add_stencil (join
);
203 programming_error (_ ("Mensural_ligature: (join_right == 0)"));
206 #if 0 /* what happend with the ledger lines? */
207 int pos
= Staff_symbol_referencer::get_rounded_position (me
);
208 if (primitive
& MLP_FLEXA
)
211 add_ledger_lines (me
, &out
, pos
, 0.5 * delta_pitch
, ledger_take_space
);
218 MAKE_SCHEME_CALLBACK (Mensural_ligature
, brew_ligature_primitive
, 1);
220 Mensural_ligature::brew_ligature_primitive (SCM smob
)
222 Grob
*me
= unsmob_grob (smob
);
223 return internal_brew_primitive (me
).smobbed_copy ();
226 MAKE_SCHEME_CALLBACK (Mensural_ligature
, print
, 1);
228 Mensural_ligature::print (SCM
)
233 ADD_INTERFACE (Mensural_ligature
,
234 "A mensural ligature.",