X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fline-spanner.cc;h=84c43ccf81ef34e80913c1d298e1511321e17982;hb=a6a51abfd0195a3cf7d6ea095cf69808852f21ce;hp=bb9b2327445fb279e22cef4f234350055261fff5;hpb=62f221b6b3861ff055dc0384ec3c48cc665688cd;p=lilypond.git diff --git a/lily/line-spanner.cc b/lily/line-spanner.cc index bb9b232744..84c43ccf81 100644 --- a/lily/line-spanner.cc +++ b/lily/line-spanner.cc @@ -1,9 +1,20 @@ /* - line-spanner.cc -- implement Line_spanner + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 2000--2015 Jan Nieuwenhuizen - (c) 2000--2008 Jan Nieuwenhuizen + 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 "align-interface.hh" @@ -13,8 +24,9 @@ #include "item.hh" #include "lily-proto.hh" #include "line-interface.hh" -#include "moment.hh" +#include "note-column.hh" #include "output-def.hh" +#include "paper-column.hh" #include "pointer-group-interface.hh" #include "spanner.hh" #include "staff-symbol-referencer.hh" @@ -26,25 +38,24 @@ class Line_spanner { public: DECLARE_SCHEME_CALLBACK (print, (SCM)); - DECLARE_SCHEME_CALLBACK (after_line_breaking, (SCM)); + DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM)); DECLARE_SCHEME_CALLBACK (calc_left_bound_info, (SCM)); DECLARE_SCHEME_CALLBACK (calc_left_bound_info_and_text, (SCM)); DECLARE_SCHEME_CALLBACK (calc_right_bound_info, (SCM)); DECLARE_SCHEME_CALLBACK (calc_bound_info, (SCM, Direction)); - DECLARE_GROB_INTERFACE (); }; Spanner *parent_spanner (Grob *g) { - if (Spanner::has_interface (g)) - return dynamic_cast (g); + if (has_interface (g)) + return dynamic_cast (g); return parent_spanner (g->get_parent (Y_AXIS)); } SCM Line_spanner::calc_bound_info (SCM smob, Direction dir) { - Spanner *me = unsmob_spanner (smob); + Spanner *me = unsmob (smob); Grob *commonx = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT), X_AXIS); commonx = me->common_refpoint (commonx, X_AXIS); @@ -52,22 +63,21 @@ Line_spanner::calc_bound_info (SCM smob, Direction dir) SCM bound_details = me->get_property ("bound-details"); SCM details = SCM_BOOL_F; - if (details == SCM_BOOL_F) + if (scm_is_false (details)) details = ly_assoc_get ((dir == LEFT) - ? ly_symbol2scm ("left") - : ly_symbol2scm ("right"), bound_details, SCM_BOOL_F); + ? ly_symbol2scm ("left") + : ly_symbol2scm ("right"), bound_details, SCM_BOOL_F); if (me->get_bound (dir)->break_status_dir ()) { SCM extra = ly_assoc_get ((dir == LEFT) - ? ly_symbol2scm ("left-broken") - : ly_symbol2scm ("right-broken"), bound_details, SCM_EOL); + ? ly_symbol2scm ("left-broken") + : ly_symbol2scm ("right-broken"), bound_details, SCM_EOL); - for (SCM s = scm_reverse (extra); scm_is_pair (s); s = scm_cdr (s)) - details = scm_cons (scm_car (s), details); + details = scm_append (scm_list_2 (extra, details)); } - - if (details == SCM_BOOL_F) + + if (scm_is_false (details)) details = ly_assoc_get (ly_symbol2scm ("default"), bound_details, SCM_EOL); SCM text = ly_assoc_get (ly_symbol2scm ("text"), details, SCM_BOOL_F); @@ -76,99 +86,141 @@ Line_spanner::calc_bound_info (SCM smob, Direction dir) Output_def *layout = me->layout (); SCM properties = Font_interface::text_font_alist_chain (me); details = scm_acons (ly_symbol2scm ("stencil"), - Text_interface::interpret_markup (layout->self_scm (), - properties, text), - details); + Text_interface::interpret_markup (layout->self_scm (), + properties, text), + details); } - + if (!scm_is_number (ly_assoc_get (ly_symbol2scm ("X"), details, SCM_BOOL_F))) { Direction attach = (Direction) - robust_scm2int (ly_assoc_get (ly_symbol2scm ("attach-dir"), - details, SCM_BOOL_F), - CENTER); + robust_scm2int (ly_assoc_get (ly_symbol2scm ("attach-dir"), + details, SCM_BOOL_F), + CENTER); Item *bound_item = me->get_bound (dir); Grob *bound_grob = bound_item; if (to_boolean (ly_assoc_get (ly_symbol2scm ("end-on-note"), details, SCM_BOOL_F)) - && bound_item->break_status_dir ()) - { - extract_grob_set (me, "note-columns", columns); - if (columns.size ()) - bound_grob = (dir == LEFT) - ? columns[0] : columns.back(); - } - + && bound_item->break_status_dir ()) + { + extract_grob_set (me, "note-columns", columns); + if (columns.size ()) + bound_grob = (dir == LEFT) + ? columns[0] : columns.back (); + } + + Real x_coord = (has_interface (bound_grob) + ? Axis_group_interface::generic_bound_extent (bound_grob, commonx, X_AXIS) + : robust_relative_extent (bound_grob, commonx, X_AXIS)).linear_combination (attach); + + Grob *acc = unsmob (bound_grob->get_object ("accidental-grob")); + if (acc && to_boolean (ly_assoc_get (ly_symbol2scm ("end-on-accidental"), details, SCM_BOOL_F))) + x_coord = robust_relative_extent (acc, commonx, X_AXIS).linear_combination (attach); + + Grob *dot = unsmob (bound_grob->get_object ("dot")); + if (dot && to_boolean (ly_assoc_get (ly_symbol2scm ("start-at-dot"), details, SCM_BOOL_F))) + x_coord = robust_relative_extent (dot, commonx, X_AXIS).linear_combination (attach); + details = scm_acons (ly_symbol2scm ("X"), - scm_from_double (robust_relative_extent (bound_grob, commonx, X_AXIS) - .linear_combination (attach)), - details); + scm_from_double (x_coord), + details); } - if (!scm_is_number (ly_assoc_get (ly_symbol2scm ("Y"), details, SCM_BOOL_F))) { Real y = 0.0; Real extra_dy = robust_scm2double (me->get_property ("extra-dy"), - 0.0); + 0.0); Grob *common_y = me->common_refpoint (me->get_bound (dir), Y_AXIS); if (me->get_bound (dir)->break_status_dir ()) - { - Spanner *next_sp = me->broken_neighbor (dir); - Item *next_bound = next_sp->get_bound (dir); - - if (next_bound->break_status_dir ()) - { - programming_error ("no note heads for the line spanner on neighbor line?" - " Confused."); - me->suicide (); - return SCM_EOL; - } - - Spanner *next_bound_parent = parent_spanner (next_bound); - Interval next_ext = next_bound->extent (next_bound_parent, Y_AXIS); - - /* We want to know what would be the - y-position of the next bound (relative to my y-parent) if it belonged - to the same system as this bound. We rely on the fact that - the y-parent of the next bound is a spanner (probably the - VerticalAxisGroup of a staff) that extends over the break. - */ - Spanner *next_bound_parent_on_this_line = - next_bound_parent->broken_neighbor (other_dir (dir)); - - if (next_bound_parent_on_this_line) - { - Grob *common = me->common_refpoint (next_bound_parent_on_this_line, Y_AXIS); - Real bound_offset = next_bound_parent_on_this_line->relative_coordinate (common, Y_AXIS); - y = next_ext.center () + bound_offset - me->relative_coordinate (common, Y_AXIS); - } - else - { - /* We fall back to assuming that the distance between staves doesn't - change over line breaks. */ - programming_error ("next-bound's parent doesn't extend to this line"); - Grob *next_system = next_bound->get_system (); - Grob *this_system = me->get_system (); - y = next_ext.center () + next_bound_parent->relative_coordinate (next_system, Y_AXIS) - - me->relative_coordinate (this_system, Y_AXIS); - } - } + { + if (to_boolean (me->get_property ("simple-Y"))) + { + Spanner *orig = dynamic_cast(me->original ()); + Spanner *extreme = dir == LEFT ? orig->broken_intos_.front () : orig->broken_intos_.back (); + Grob *e_bound = extreme->get_bound (dir); + Grob *e_common_y = extreme->common_refpoint (e_bound, Y_AXIS); + y = e_bound->extent (e_common_y, Y_AXIS).center (); + } + else + { + Spanner *next_sp = me->broken_neighbor (dir); + Item *next_bound = next_sp->get_bound (dir); + + if (next_bound->break_status_dir ()) + { + programming_error ("no note heads for the line spanner on neighbor line?" + " Confused."); + me->suicide (); + return SCM_EOL; + } + + Spanner *next_bound_parent = parent_spanner (next_bound); + Interval next_ext = next_bound->extent (next_bound_parent, Y_AXIS); + + /* + We want to know what would be the y-position of the next + bound (relative to my y-parent) if it belonged to the + same system as this bound. We rely on the fact that the + y-parent of the next bound is a spanner (probably the + VerticalAxisGroup of a staff) that extends over the break. + */ + Spanner *next_bound_parent_on_this_line + = next_bound_parent->broken_neighbor (-dir); + + if (next_bound_parent_on_this_line) + { + Grob *common = me->common_refpoint (next_bound_parent_on_this_line, Y_AXIS); + Real bound_offset = next_bound_parent_on_this_line->relative_coordinate (common, Y_AXIS); + y = next_ext.center () + bound_offset - me->relative_coordinate (common, Y_AXIS); + } + else + { + /* + We fall back to assuming that the distance between + staves doesn't change over line breaks. + */ + programming_error ("next-bound's parent doesn't extend to this line"); + Grob *next_system = next_bound->get_system (); + Grob *this_system = me->get_system (); + y = next_ext.center () + next_bound_parent->relative_coordinate (next_system, Y_AXIS) + - me->relative_coordinate (this_system, Y_AXIS); + } + } + } else - { - y = me->get_bound (dir)->extent (common_y, Y_AXIS).center (); - details = scm_acons (ly_symbol2scm ("common-Y"), common_y->self_scm (), details); - } - - y += dir * extra_dy / 2; + { + Interval ii = me->get_bound (dir)->extent (common_y, Y_AXIS); + if (!ii.is_empty()) + y = ii.center (); + details = scm_acons (ly_symbol2scm ("common-Y"), common_y->self_scm (), details); + } + + y += dir * extra_dy / 2; details = scm_acons (ly_symbol2scm ("Y"), scm_from_double (y), details); } return details; } +MAKE_SCHEME_CALLBACK (Line_spanner, calc_cross_staff, 1); +SCM +Line_spanner::calc_cross_staff (SCM smob) +{ + Spanner *me = unsmob (smob); + if (!me) + return SCM_BOOL_F; + + if (to_boolean (me->get_bound (LEFT)->get_property ("non-musical")) + || to_boolean (me->get_bound (RIGHT)->get_property ("non-musical"))) + return SCM_BOOL_F; + + return scm_from_bool (Staff_symbol_referencer::get_staff_symbol (me->get_bound (LEFT)) + != Staff_symbol_referencer::get_staff_symbol (me->get_bound (RIGHT))); +} + MAKE_SCHEME_CALLBACK (Line_spanner, calc_right_bound_info, 1); SCM Line_spanner::calc_right_bound_info (SCM smob) @@ -188,21 +240,21 @@ SCM Line_spanner::calc_left_bound_info_and_text (SCM smob) { SCM alist = Line_spanner::calc_bound_info (smob, LEFT); - Spanner *me = unsmob_spanner (smob); + Spanner *me = unsmob (smob); SCM text = me->get_property ("text"); if (Text_interface::is_markup (text) && me->get_bound (LEFT)->break_status_dir () == CENTER - && ly_assoc_get (ly_symbol2scm ("stencil"), alist, SCM_BOOL_F) == SCM_BOOL_F) + && scm_is_false (ly_assoc_get (ly_symbol2scm ("stencil"), alist, SCM_BOOL_F))) { Output_def *layout = me->layout (); SCM properties = Font_interface::text_font_alist_chain (me); alist = scm_acons (ly_symbol2scm ("stencil"), - Text_interface::interpret_markup (layout->self_scm (), - properties, text), - alist); + Text_interface::interpret_markup (layout->self_scm (), + properties, text), + alist); } - + return alist; } @@ -210,74 +262,65 @@ MAKE_SCHEME_CALLBACK (Line_spanner, print, 1); SCM Line_spanner::print (SCM smob) { - Spanner *me = dynamic_cast (unsmob_grob (smob)); - - Interval_t moments = me->spanned_time (); - /* - We remove the line at the start of the line. For piano voice - indicators, it makes no sense to have them at the start of the - line. - - I'm not sure what the official rules for glissandi are, but - usually the 2nd note of the glissando is "exact", so when playing - from the start of the line, there is no need to glide. + Spanner *me = unsmob (smob); - From a typographical p.o.v. this makes sense, since the amount of - space left of a note at the start of a line is very small. + // Triggers simple-Y calculations + bool simple_y = to_boolean (me->get_property ("simple-Y")) && !to_boolean (me->get_property ("cross-staff")); - --hwn. - - */ - if (moments.length () == Moment (0,0)) - return SCM_EOL; - Drul_array bounds (me->get_property ("left-bound-info"), - me->get_property ("right-bound-info")); + me->get_property ("right-bound-info")); - Grob *commonx = me->get_bound (LEFT)->common_refpoint (me->get_bound (RIGHT), X_AXIS); commonx = me->common_refpoint (commonx, X_AXIS); Drul_array span_points; - Direction d = LEFT; - do + for (LEFT_and_RIGHT (d)) { Offset z (robust_scm2double (ly_assoc_get (ly_symbol2scm ("X"), - bounds[d], SCM_BOOL_F), 0.0), - robust_scm2double (ly_assoc_get (ly_symbol2scm ("Y"), - bounds[d], SCM_BOOL_F), 0.0)); - + bounds[d], SCM_BOOL_F), 0.0), + robust_scm2double (ly_assoc_get (ly_symbol2scm ("Y"), + bounds[d], SCM_BOOL_F), 0.0)); + span_points[d] = z; } - while (flip (&d) != LEFT); Drul_array gaps (0, 0); Drul_array arrows (0, 0); - Drul_array anchor_align (0, 0); - Drul_array stencils (0,0); - Drul_array common_y (0, 0); - do + Drul_array stencils (0, 0); + Drul_array common_y (0, 0); + + // For scaling of 'padding and 'stencil-offset + Real magstep + = pow (2, robust_scm2double (me->get_property ("font-size"), 0.0) / 6); + + for (LEFT_and_RIGHT (d)) { gaps[d] = robust_scm2double (ly_assoc_get (ly_symbol2scm ("padding"), - bounds[d], SCM_BOOL_F), 0.0); + bounds[d], SCM_BOOL_F), 0.0); arrows[d] = to_boolean (ly_assoc_get (ly_symbol2scm ("arrow"), - bounds[d], SCM_BOOL_F)); - anchor_align[d] = robust_scm2double (ly_assoc_get (ly_symbol2scm ("anchor-alignment"), - bounds[d], SCM_BOOL_F), LEFT); - stencils[d] = unsmob_stencil (ly_assoc_get (ly_symbol2scm ("stencil"), - bounds[d], SCM_BOOL_F)); - common_y[d] = unsmob_grob (ly_assoc_get (ly_symbol2scm ("common-Y"), - bounds[d], SCM_BOOL_F)); + bounds[d], SCM_BOOL_F)); + stencils[d] = unsmob (ly_assoc_get (ly_symbol2scm ("stencil"), + bounds[d], SCM_BOOL_F)); + common_y[d] = unsmob (ly_assoc_get (ly_symbol2scm ("common-Y"), + bounds[d], SCM_BOOL_F)); if (!common_y[d]) - common_y[d] = me; + common_y[d] = me; } - while (flip (&d) != LEFT); Grob *my_common_y = common_y[LEFT]->common_refpoint (common_y[RIGHT], Y_AXIS); - do - span_points[d][Y_AXIS] += common_y[d]->relative_coordinate (my_common_y, Y_AXIS); - while (flip (&d) != LEFT); + + if (!simple_y) + { + for (LEFT_and_RIGHT (d)) + span_points[d][Y_AXIS] += common_y[d]->relative_coordinate (my_common_y, Y_AXIS); + } + + Interval normalized_endpoints = robust_scm2interval (me->get_property ("normalized-endpoints"), Interval (0, 1)); + Real y_length = span_points[RIGHT][Y_AXIS] - span_points[LEFT][Y_AXIS]; + + span_points[LEFT][Y_AXIS] += normalized_endpoints[LEFT] * y_length; + span_points[RIGHT][Y_AXIS] -= (1 - normalized_endpoints[RIGHT]) * y_length; Offset dz = (span_points[RIGHT] - span_points[LEFT]); Offset dz_dir = dz.direction (); @@ -287,82 +330,68 @@ Line_spanner::print (SCM smob) } Stencil line; - do + for (LEFT_and_RIGHT (d)) { - span_points[d] += -d * gaps[d] * dz.direction (); + span_points[d] += -d * gaps[d] * magstep * dz.direction (); if (stencils[d]) - { - Interval ext = stencils[d]->extent (X_AXIS); - Real anchor = ext.linear_combination (anchor_align[d]) - ext[LEFT]; - span_points[d][X_AXIS] -= anchor; - - Stencil s = stencils[d]->translated (span_points[d]); - SCM align = ly_assoc_get (ly_symbol2scm ("stencil-align-dir-y"), - bounds[d], SCM_BOOL_F); - SCM off = ly_assoc_get (ly_symbol2scm ("stencil-offset"), - bounds[d], SCM_BOOL_F); - - if (scm_is_number (align)) - s.align_to (Y_AXIS, scm_to_double (align)); - - /* - todo: should use font-size. - */ - if (is_number_pair (off)) - s.translate (ly_scm2offset (off)); - - line.add_stencil (s); - } + { + Stencil s = stencils[d]->translated (span_points[d]); + SCM align = ly_assoc_get (ly_symbol2scm ("stencil-align-dir-y"), + bounds[d], SCM_BOOL_F); + SCM off = ly_assoc_get (ly_symbol2scm ("stencil-offset"), + bounds[d], SCM_BOOL_F); + + if (scm_is_number (align)) + s.align_to (Y_AXIS, scm_to_double (align)); + + if (is_number_pair (off)) + s.translate (ly_scm2offset (off) * magstep); + + line.add_stencil (s); + } } - while (flip (&d) != LEFT); - do + for (LEFT_and_RIGHT (d)) { if (stencils[d]) - span_points[d] += dz_dir * - (stencils[d]->extent (X_AXIS)[-d] / dz_dir[X_AXIS]); + span_points[d] += dz_dir * + (stencils[d]->extent (X_AXIS)[-d] / dz_dir[X_AXIS]); } - while (flip (&d) != LEFT); - Offset adjust = dz.direction() * Staff_symbol_referencer::staff_space (me); + Offset adjust = dz.direction () * Staff_symbol_referencer::staff_space (me); + Offset line_left = span_points[LEFT] + (arrows[LEFT] ? adjust * 1.4 : Offset (0, 0)); + Offset line_right = span_points[RIGHT] - (arrows[RIGHT] ? adjust * 0.55 : Offset (0, 0)); - Offset line_left = span_points[LEFT] + (arrows[LEFT] ? adjust*1.4 : Offset (0, 0)); - Offset line_right = span_points[RIGHT] - (arrows[RIGHT] ? adjust*0.55 : Offset (0, 0)); if (line_right[X_AXIS] > line_left[X_AXIS]) { line.add_stencil (Line_interface::line (me, line_left, line_right)); - + line.add_stencil (Line_interface::arrows (me, - span_points[LEFT], - span_points[RIGHT], - arrows[LEFT], - arrows[RIGHT])); + span_points[LEFT], + span_points[RIGHT], + arrows[LEFT], + arrows[RIGHT])); } line.translate (Offset (-me->relative_coordinate (commonx, X_AXIS), - -me->relative_coordinate (my_common_y, Y_AXIS))); - + simple_y ? 0.0 : -me->relative_coordinate (my_common_y, Y_AXIS))); return line.smobbed_copy (); } ADD_INTERFACE (Line_spanner, - "Generic line drawn between two objects, e.g., for use with" - " glissandi.\n" - "\n" - "The property @code{style} can be @code{line}," - " @code{dashed-line}, @code{trill}, @code{dotted-line} or" - " @code{zigzag}.", - - /* properties */ - "bound-details " - "extra-dy " - "gap " - "left-bound-info " - "note-columns " - "right-bound-info " - "thickness " - "to-barline " - ); - + "Generic line drawn between two objects, e.g., for use with" + " glissandi.", + + /* properties */ + "bound-details " + "extra-dy " + "gap " + "left-bound-info " + "note-columns " + "right-bound-info " + "simple-Y " + "thickness " + "to-barline " + );