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.",