X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmensural-ligature.cc;h=5a3b3e9543a210e1e95e5338bb838f347ada0014;hb=b872748c6aa8bb721ced458691b38ac2fac5dfc8;hp=88a11810581abb86de38528c15456d7399803d04;hpb=44ad1d66c072e4d6545e75c769c86a460cb1df13;p=lilypond.git diff --git a/lily/mensural-ligature.cc b/lily/mensural-ligature.cc index 88a1181058..5a3b3e9543 100644 --- a/lily/mensural-ligature.cc +++ b/lily/mensural-ligature.cc @@ -1,14 +1,26 @@ /* - mensural-ligature.cc -- implement Mensural_ligature + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter - - (c) 2002--2006 Juergen Reuter , + Copyright (C) 2002--2015 Juergen Reuter , Pal Benko + + 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 . */ #include "mensural-ligature.hh" +#include "directional-element-interface.hh" #include "font-interface.hh" #include "international.hh" #include "item.hh" @@ -19,18 +31,38 @@ #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 vertical_line_thickness) + bool solid, + Real width, + Real thickness, + bool begin) { Real staff_space = Staff_symbol_referencer::staff_space (me); + + /* + 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; + + // 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 @@ -38,53 +70,46 @@ brew_flexa (Grob *me, 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; - Stencil stencil; if (solid) // colorated flexae { - Stencil solid_head - = Lookup::beam (corrected_slope, width, staff_space, 0.0); - stencil.add_stencil (solid_head); + stencil = Lookup::beam (corrected_slope, width * 0.5, staff_space, blotdiameter); } else // outline { - /* - 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; - - // 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 left_edge - = Lookup::beam (corrected_slope, vertical_line_thickness, height, 0.0); - stencil.add_stencil (left_edge); - - Stencil right_edge - = Lookup::beam (corrected_slope, vertical_line_thickness, height, 0.0); - right_edge.translate_axis (width - vertical_line_thickness, X_AXIS); - right_edge.translate_axis ((width - vertical_line_thickness) * - corrected_slope, Y_AXIS); - stencil.add_stencil (right_edge); + 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, - horizontal_line_thickness, 0.0); + = 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, - horizontal_line_thickness, 0.0); + = 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); + + if (begin) + stencil.translate_axis (ypos_correction, Y_AXIS); + else + { + stencil.translate_axis (0.5 * thickness - blotdiameter, X_AXIS); + + stencil.translate_axis (interval / -4.0 * staff_space, Y_AXIS); + } + return stencil; } @@ -92,70 +117,101 @@ Stencil internal_brew_primitive (Grob *me) { SCM primitive_scm = me->get_property ("primitive"); - if (primitive_scm == SCM_EOL) + if (scm_is_null (primitive_scm)) { - programming_error ("Mensural_ligature: " - "undefined primitive -> ignoring grob"); + programming_error ("Mensural_ligature:" + " undefined primitive -> ignoring grob"); return Lookup::blank (Box (Interval (0, 0), Interval (0, 0))); } int primitive = scm_to_int (primitive_scm); - Stencil out; - 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); - if (primitive & MLP_ANY) - thickness = robust_scm2double (me->get_property ("thickness"), .14); - if (primitive & MLP_FLEXA) + 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) { - delta_pitch = robust_scm2int (me->get_property ("delta-position"), - 0); - width - = robust_scm2double (me->get_property ("flexa-width"), 2.0 * staff_space); + thickness = robust_scm2double (me->get_property ("thickness"), .13); + width = robust_scm2double (me->get_property ("head-width"), staff_space); } - if (primitive & MLP_SINGLE_HEAD) - width = robust_scm2double (me->get_property ("head-width"), staff_space); + if (primitive & MLP_FLEXA) + flexa_width = robust_scm2double (me->get_property ("flexa-width"), 2.0) + * staff_space; - switch (primitive & MLP_ANY) + 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 (note_shape) { case MLP_NONE: return Lookup::blank (Box (Interval (0, 0), Interval (0, 0))); - case MLP_LONGA: // mensural brevis head with right cauda - out = Font_interface::get_default_font (me)->find_by_name - ("noteheads.s-2mensural"); - break; - case MLP_BREVIS: // mensural brevis head - out = Font_interface::get_default_font (me)->find_by_name - ("noteheads.s-1mensural"); + 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_MAXIMA: // should be mensural maxima head without stem - out = Font_interface::get_default_font (me)->find_by_name - ("noteheads.s-1neomensural"); - break; - case MLP_FLEXA: - out = brew_flexa (me, delta_pitch, false, width, thickness); + 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 (_f ("Mensural_ligature: " - "unexpected case fall-through")); + programming_error ("Mensural_ligature:" + " unexpected case fall-through"); return Lookup::blank (Box (Interval (0, 0), Interval (0, 0))); } - Real blotdiameter - = (me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"))); + /* + 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) { // assume MLP_UP - Real y_bottom = 0.0, y_top = 3.0 * staff_space; + Real y_bottom = 0.0, y_top = stem_length; if (primitive & MLP_DOWN) - { - y_bottom = -y_top; - y_top = 0.0; - } + { + y_bottom = -y_top; + y_top = 0.0; + } Interval x_extent (0, thickness); Interval y_extent (y_bottom, y_top); @@ -165,31 +221,37 @@ internal_brew_primitive (Grob *me) out.add_stencil (join); } - SCM join_right_scm = me->get_property ("join-right-amount"); - - if (scm_is_number (join_right_scm)) + if (to_boolean (me->get_property ("add-join"))) { - int join_right = scm_to_int (join_right_scm); + 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; - } - - 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); - } + { + 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 (_f ("Mensural_ligature: (join_right == 0)")); + programming_error ("Mensural_ligature: (join_right == 0)"); } #if 0 /* what happend with the ledger lines? */ @@ -208,7 +270,7 @@ MAKE_SCHEME_CALLBACK (Mensural_ligature, brew_ligature_primitive, 1); SCM Mensural_ligature::brew_ligature_primitive (SCM smob) { - Grob *me = unsmob_grob (smob); + Grob *me = unsmob (smob); return internal_brew_primitive (me).smobbed_copy (); } @@ -220,13 +282,14 @@ Mensural_ligature::print (SCM) } ADD_INTERFACE (Mensural_ligature, - "A mensural ligature", - - "delta-position " - "flexa-width " - "head-width " - "join-right-amount " - "primitive " - "thickness" - ); - + "A mensural ligature.", + + /* properties */ + "delta-position " + "ligature-flexa " + "head-width " + "add-join " + "flexa-interval " + "primitive " + "thickness " + );