/*
- mensural-ligature.cc -- implement Mensural_ligature
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2002--2004 Juergen Reuter <reuter@ipd.uka.de>
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2002--2014 Juergen Reuter <reuter@ipd.uka.de>,
+ Pal Benko <benkop@freestart.hu>
+
+ 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 <math.h>
-#include "item.hh"
#include "mensural-ligature.hh"
+
+#include "directional-element-interface.hh"
#include "font-interface.hh"
-#include "stencil.hh"
+#include "international.hh"
+#include "item.hh"
#include "lookup.hh"
-#include "staff-symbol-referencer.hh"
#include "note-head.hh"
#include "output-def.hh"
+#include "staff-symbol-referencer.hh"
#include "warn.hh"
/*
+ draws one half a flexa, i.e. a portion corresponding to a single note.
+ this way coloration of the two notes building up the flexa can be
+ handled independently.
+
* TODO: divide this function into mensural and neo-mensural style.
*
* TODO: move this function to class Lookup?
*/
Stencil
brew_flexa (Grob *me,
- Real interval,
- bool solid,
- Real width,
- Real thickness,
- bool add_cauda,
- Direction cauda_direction)
+ bool solid,
+ Real width,
+ Real thickness,
+ bool begin)
{
Real staff_space = Staff_symbol_referencer::staff_space (me);
- Real height = 0.6 * staff_space;
- Stencil stencil;
- if (add_cauda)
- {
- bool consider_interval =
- cauda_direction * interval > 0.0;
+ /*
+ The thickness of the horizontal lines of the flexa shape
+ should be equal to that of the horizontal lines of the
+ neomensural brevis note head (see mf/parmesan-heads.mf).
+ */
+ Real const horizontal_line_thickness = staff_space * 0.35;
- Interval cauda_box_x (0, thickness);
- Interval cauda_box_y;
-
- if (consider_interval)
- {
- Real y_length = max (interval/2.0*staff_space, 1.2*staff_space);
- cauda_box_y = Interval (0, y_length);
- }
- else
- cauda_box_y = Interval (0, staff_space);
-
- Real y_correction =
- (cauda_direction == UP) ?
- +0.5*height :
- -0.5*height - cauda_box_y.length ();
-
- Box cauda_box (cauda_box_x, cauda_box_y);
- Stencil cauda = Lookup::filled_box (cauda_box);
- cauda.translate_axis (y_correction, Y_AXIS);
- stencil.add_stencil (cauda);
- }
+ // URGH! vertical_line_thickness is adjustable (via thickness
+ // property), while horizontal_line_thickness is constant.
+ // Maybe both should be adjustable independently?
+ Real height = staff_space - horizontal_line_thickness;
+ Stencil stencil;
+ Real const interval
+ = robust_scm2double (me->get_property ("flexa-interval"), 0.0);
Real slope = (interval / 2.0 * staff_space) / width;
// Compensate optical illusion regarding vertical position of left
// and right endings due to slope.
- Real ypos_correction = -0.1*staff_space * sign (slope);
- Real slope_correction = 0.2*staff_space * sign (slope);
- Real corrected_slope = slope + slope_correction/width;
+ Real ypos_correction = -0.1 * staff_space * sign (slope);
+ Real slope_correction = 0.2 * staff_space * sign (slope);
+ Real corrected_slope = slope + slope_correction / width;
+ Real blotdiameter
+ = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
+ width += 2 * blotdiameter;
- if (solid)
+ if (solid) // colorated flexae
{
- Stencil solid_head =
- Lookup::beam (corrected_slope, width, height, 0.0);
- stencil.add_stencil (solid_head);
+ stencil = Lookup::beam (corrected_slope, width * 0.5, staff_space, blotdiameter);
}
else // outline
{
- Stencil left_edge =
- Lookup::beam (corrected_slope, thickness, height, 0.0);
- stencil.add_stencil (left_edge);
-
- Stencil right_edge =
- Lookup::beam (corrected_slope, thickness, height, 0.0);
- right_edge.translate_axis (width-thickness, X_AXIS);
- right_edge.translate_axis (corrected_slope * (width-thickness), Y_AXIS);
- stencil.add_stencil (right_edge);
-
- Stencil bottom_edge =
- Lookup::beam (corrected_slope, width, thickness, 0.0);
- bottom_edge.translate_axis (-0.5*height, Y_AXIS);
+ stencil = Lookup::beam (corrected_slope, thickness, height, blotdiameter);
+ if (!begin)
+ {
+ stencil.translate_axis (width * 0.5 - thickness, X_AXIS);
+ stencil.translate_axis (corrected_slope * (width * 0.5 - thickness),
+ Y_AXIS);
+ }
+
+ Stencil bottom_edge
+ = Lookup::beam (corrected_slope, width * 0.5, horizontal_line_thickness,
+ blotdiameter);
+ bottom_edge.translate_axis (-0.5 * height, Y_AXIS);
stencil.add_stencil (bottom_edge);
- Stencil top_edge =
- Lookup::beam (corrected_slope, width, thickness, 0.0);
- top_edge.translate_axis (+0.5*height, Y_AXIS);
+ Stencil top_edge
+ = Lookup::beam (corrected_slope, width * 0.5, horizontal_line_thickness,
+ blotdiameter);
+ top_edge.translate_axis (+0.5 * height, Y_AXIS);
stencil.add_stencil (top_edge);
}
- stencil.translate_axis (ypos_correction, Y_AXIS);
- return stencil;
-}
-void
-add_ledger_lines (Grob *me, Stencil *out, int pos, Real offs,
- bool ledger_take_space)
-{
- int interspaces = Staff_symbol_referencer::line_count (me)-1;
- if (abs (pos) - interspaces > 1)
+ if (begin)
+ stencil.translate_axis (ypos_correction, Y_AXIS);
+ else
{
- Interval hd = out->extent (X_AXIS);
- Real left_ledger_protusion = hd.length ()/4;
- Real right_ledger_protusion = left_ledger_protusion;
-
- Interval l_extents = Interval (hd[LEFT] - left_ledger_protusion,
- hd[RIGHT] + right_ledger_protusion);
- Stencil ledger_lines =
- Note_head::brew_ledger_lines (me, pos, interspaces,
- l_extents,0,
- ledger_take_space);
- ledger_lines.translate_axis (offs, Y_AXIS);
- out->add_stencil (ledger_lines);
+ stencil.translate_axis (0.5 * thickness - blotdiameter, X_AXIS);
+
+ stencil.translate_axis (interval / -4.0 * staff_space, Y_AXIS);
}
+
+ return stencil;
}
Stencil
-internal_brew_primitive (Grob *me, bool ledger_take_space)
+internal_brew_primitive (Grob *me)
{
SCM primitive_scm = me->get_property ("primitive");
if (primitive_scm == SCM_EOL)
{
programming_error ("Mensural_ligature:"
- "undefined primitive -> ignoring grob");
- return Stencil ();
+ " undefined primitive -> ignoring grob");
+ return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
}
+ int primitive = scm_to_int (primitive_scm);
- Stencil out;
- int primitive = ly_scm2int (primitive_scm);
- int delta_pitch = 0;
Real thickness = 0.0;
+ Real width = 0.0;
Real flexa_width = 0.0;
Real staff_space = Staff_symbol_referencer::staff_space (me);
+
+ SCM style = me->get_property ("style");
+ bool const black
+ = scm_is_eq (style, ly_symbol2scm ("blackpetrucci"));
+ bool const semi
+ = scm_is_eq (style, ly_symbol2scm ("semipetrucci"));
+
if (primitive & MLP_ANY)
{
- thickness = robust_scm2double ( me->get_property ("thickness"), .14);
+ thickness = robust_scm2double (me->get_property ("thickness"), .13);
+ width = robust_scm2double (me->get_property ("head-width"), staff_space);
}
-
if (primitive & MLP_FLEXA)
- {
- delta_pitch = robust_scm2int (me->get_property ("delta-pitch"),
- 0);
+ flexa_width = robust_scm2double (me->get_property ("flexa-width"), 2.0)
+ * staff_space;
- flexa_width = robust_scm2double (me->get_property ("flexa-width"), 2.0 * staff_space);
- }
+ Stencil out;
+ int const note_shape = primitive & MLP_ANY;
+ int duration_log = 0;
+ Font_metric *fm = Font_interface::get_default_font (me);
+ string prefix = "noteheads.";
+ string index;
+ string suffix;
+ string color = "";
+ if (black)
+ color = "black";
+ if (semi)
+ color = "semi";
- switch (primitive)
+ switch (note_shape)
{
- case MLP_NONE:
- return Stencil ();
- case MLP_BB:
- out = brew_flexa (me, delta_pitch, false,
- flexa_width, thickness, true, DOWN);
- break;
- case MLP_sc:
- out = Font_interface::get_default_font (me)->find_by_name ("noteheads--2mensural");
- break;
- case MLP_ss:
- out = Font_interface::get_default_font (me)->find_by_name ("noteheads--1mensural");
- break;
- case MLP_cs:
- out = Font_interface::get_default_font (me)->find_by_name ("noteheads-lmensural");
- break;
- case MLP_SS:
- out = brew_flexa (me, delta_pitch, false,
- flexa_width, thickness, true, UP);
- break;
- case MLP_LB:
- out = brew_flexa (me, delta_pitch, false,
- flexa_width, thickness, false, CENTER);
- break;
- default:
- programming_error (_f ("Mensural_ligature:"
- "unexpected case fall-through"));
- return Stencil ();
+ case MLP_NONE:
+ return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
+ case MLP_MAXIMA:
+ duration_log--;
+ case MLP_LONGA:
+ duration_log--;
+ case MLP_BREVIS:
+ duration_log--;
+ suffix = ::to_string (duration_log) + color
+ + (duration_log < -1 ? "lig" : "") + "mensural";
+ index = prefix + "s";
+ out = fm->find_by_name (index + "r" + suffix);
+ if (!out.is_empty ()
+ && !Staff_symbol_referencer::on_line
+ (me,
+ robust_scm2int (me->get_property ("staff-position"), 0)))
+ index += "r";
+ out = fm->find_by_name (index + suffix);
+ break;
+ case MLP_FLEXA_BEGIN:
+ case MLP_FLEXA_END:
+ out = brew_flexa (me, black, flexa_width, thickness,
+ note_shape == MLP_FLEXA_BEGIN);
+ break;
+ default:
+ programming_error ("Mensural_ligature:"
+ " unexpected case fall-through");
+ return Lookup::blank (Box (Interval (0, 0), Interval (0, 0)));
}
- SCM join_left_scm = me->get_property ("join-left-amount");
- if (join_left_scm != SCM_EOL)
+ /*
+ we use thickness because the stem end of the glyph
+ "noteheads.sM2ligmensural" is round.
+ */
+ Real blotdiameter = thickness;
+ /*
+ instead of 2.5 the length of a longa stem should be used
+ Font_interface::get_default_font (???)->find_by_name
+ ("noteheads.sM2ligmensural").extent (Y_AXIS).length () * 0.5
+ */
+ Real stem_length = 2.5 * staff_space;
+
+ if (primitive & MLP_STEM)
{
- int join_left = ly_scm2int (join_left_scm);
- if (!join_left)
- programming_error (_f ("Mensural_ligature: (join_left == 0)"));
- Real blotdiameter = (me->get_paper ()->get_dimension (ly_symbol2scm ("blotdiameter")));
- Interval x_extent = Interval (0, thickness);
- Interval y_extent = (join_left > 0) ?
- Interval (-join_left * 0.5 * staff_space, 0) :
- Interval (0, -join_left * 0.5 * staff_space);
+ // assume MLP_UP
+ Real y_bottom = 0.0, y_top = stem_length;
+
+ if (primitive & MLP_DOWN)
+ {
+ y_bottom = -y_top;
+ y_top = 0.0;
+ }
+
+ Interval x_extent (0, thickness);
+ Interval y_extent (y_bottom, y_top);
Box join_box (x_extent, y_extent);
Stencil join = Lookup::round_filled_box (join_box, blotdiameter);
out.add_stencil (join);
}
+ if (to_boolean (me->get_property ("add-join")))
+ {
+ int join_right = scm_to_int (me->get_property ("delta-position"));
+ if (join_right)
+ {
+ Real y_top = join_right * 0.5 * staff_space;
+ Real y_bottom = 0.0;
+
+ if (y_top < 0.0)
+ {
+ y_bottom = y_top;
+ y_top = 0.0;
+
+ /*
+ if the previous note is longa-shaped,
+ the joining line may hide the stem, so made it longer
+ to serve as stem as well
+ */
+ if (primitive & MLP_LONGA)
+ y_bottom -= stem_length + 0.25 * blotdiameter;
+ }
+
+ Interval x_extent (width - thickness, width);
+ Interval y_extent (y_bottom, y_top);
+ Box join_box (x_extent, y_extent);
+ Stencil join = Lookup::round_filled_box (join_box, blotdiameter);
+
+ out.add_stencil (join);
+ }
+ else
+ programming_error ("Mensural_ligature: (join_right == 0)");
+ }
+
+#if 0 /* what happend with the ledger lines? */
int pos = Staff_symbol_referencer::get_rounded_position (me);
- add_ledger_lines (me, &out, pos, 0, ledger_take_space);
if (primitive & MLP_FLEXA)
{
pos += delta_pitch;
- add_ledger_lines (me, &out, pos, 0.5*delta_pitch, ledger_take_space);
+ add_ledger_lines (me, &out, pos, 0.5 * delta_pitch, ledger_take_space);
}
+#endif
return out;
}
Mensural_ligature::brew_ligature_primitive (SCM smob)
{
Grob *me = unsmob_grob (smob);
- return internal_brew_primitive (me, false).smobbed_copy ();
+ return internal_brew_primitive (me).smobbed_copy ();
}
MAKE_SCHEME_CALLBACK (Mensural_ligature, print, 1);
return SCM_EOL;
}
-ADD_INTERFACE (Mensural_ligature, "mensural-ligature-interface",
- "A mensural ligature",
- "delta-pitch flexa-width head-width join-left join-left-amount "
- "ligature-primitive-callback primitive thickness");
+ADD_INTERFACE (Mensural_ligature,
+ "A mensural ligature.",
+
+ /* properties */
+ "delta-position "
+ "ligature-flexa "
+ "head-width "
+ "add-join "
+ "flexa-interval "
+ "primitive "
+ "thickness "
+ );
projects / lilypond.git / blobdiff