X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fhairpin.cc;h=af3565362910dfa53e4d50ab9f714205d9f6f52d;hb=baac78132b2dc92516934b3c9e35dbfa575dec84;hp=2c7368fa5724cb4e8d5bebc449d9d2b5cba453a7;hpb=bdf4ab13203502e7ec7cf9cf5896527643a07c1f;p=lilypond.git diff --git a/lily/hairpin.cc b/lily/hairpin.cc index 2c7368fa57..af35653629 100644 --- a/lily/hairpin.cc +++ b/lily/hairpin.cc @@ -1,31 +1,56 @@ /* - hairpin.cc -- implement Hairpin + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2009 Han-Wen Nienhuys - (c) 1997--2005 Han-Wen Nienhuys + 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 "hairpin.hh" -#include "staff-symbol-referencer.hh" -#include "line-interface.hh" -#include "spanner.hh" -#include "font-interface.hh" #include "dimensions.hh" +#include "international.hh" +#include "line-interface.hh" #include "output-def.hh" -#include "warn.hh" #include "paper-column.hh" -#include "lookup.hh" -#include "text-item.hh" +#include "pointer-group-interface.hh" +#include "spanner.hh" +#include "staff-symbol-referencer.hh" +#include "text-interface.hh" +#include "note-column.hh" +#include "warn.hh" -MAKE_SCHEME_CALLBACK (Hairpin, print, 1); +MAKE_SCHEME_CALLBACK (Hairpin, pure_height, 3); +SCM +Hairpin::pure_height (SCM smob, SCM, SCM) +{ + Grob *me = unsmob_grob (smob); + Real height = robust_scm2double (me->get_property ("height"), 0.0) + * Staff_symbol_referencer::staff_space (me); + + Real thickness = robust_scm2double (me->get_property ("thickness"), 1) + * Staff_symbol_referencer::line_thickness (me); + height += thickness / 2; + return ly_interval2scm (Interval (-height, height)); +} + +MAKE_SCHEME_CALLBACK (Hairpin, print, 1); SCM Hairpin::print (SCM smob) { - Grob *me = unsmob_grob (smob); - Spanner *spanner = dynamic_cast (me); + Spanner *me = unsmob_spanner (smob); SCM s = me->get_property ("grow-direction"); if (!is_direction (s)) @@ -42,14 +67,40 @@ Hairpin::print (SCM smob) Direction d = LEFT; do { - bounds[d] = spanner->get_bound (d); + bounds[d] = me->get_bound (d); broken[d] = bounds[d]->break_status_dir () != CENTER; } while (flip (&d) != LEFT); + broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT); + broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT)->is_live (); + + if (broken[RIGHT]) + { + Spanner *next = me->broken_neighbor (RIGHT); + Stencil *s = next->get_stencil (); + if (!s || s->is_empty ()) + broken[RIGHT] = false; + } + Grob *common = bounds[LEFT]->common_refpoint (bounds[RIGHT], X_AXIS); Drul_array x_points; + /* + Use the height and thickness of the hairpin when making a circled tip + */ + bool circled_tip = ly_scm2bool (me->get_property ("circled-tip")); + Real height = robust_scm2double (me->get_property ("height"), 0.2) + * Staff_symbol_referencer::staff_space (me); + /* + FIXME: 0.525 is still just a guess... + */ + Real rad = height * 0.525; + Real thick = 1.0; + if (circled_tip) + thick = robust_scm2double (me->get_property ("thickness"), 1.0) + * Staff_symbol_referencer::line_thickness (me); + do { Item *b = bounds[d]; @@ -70,30 +121,60 @@ Hairpin::print (SCM smob) else { bool neighbor_found = false; - for (SCM adj = me->get_property ("adjacent-hairpins"); - scm_is_pair (adj); adj = scm_cdr (adj)) + Spanner *adjacent; + extract_grob_set (me, "adjacent-spanners", neighbors); + for (vsize i = 0; i < neighbors.size (); i++) { /* FIXME: this will fuck up in case of polyphonic notes in other voices. Need to look at note-columns in the current staff/voice. */ - - Spanner *pin = unsmob_spanner (scm_car (adj)); - if (pin - && (pin->get_bound (LEFT)->get_column () == b->get_column () - || pin->get_bound (RIGHT)->get_column () == b->get_column ())) - neighbor_found = true; + adjacent = dynamic_cast (neighbors[i]); + if (adjacent + && (adjacent->get_bound (-d)->get_column () + == b->get_column ())) + { + neighbor_found = true; + break; + } } - /* - If we're hung on a paper column, that means we're not - adjacent to a text-dynamic, and we may move closer. We - make the padding a little smaller, here. - */ Interval e = robust_relative_extent (b, common, X_AXIS); - x_points[d] - = neighbor_found ? e.center () - d * padding / 3 : e[d]; + if (neighbor_found) + { + if (Hairpin::has_interface (adjacent)) + { + /* + Handle back-to-back hairpins with a circle in the middle + */ + if (circled_tip && (grow_dir != d)) + x_points[d] = e.center () + d * (rad - thick / 2.0); + /* + If we're hung on a paper column, that means we're not + adjacent to a text-dynamic, and we may move closer. We + make the padding a little smaller, here. + */ + else + x_points[d] = e.center () - d * padding / 3; + } + // Our neighbor is a dynamic text spanner, so add the + // same amount of padding as for text dynamics + else + x_points[d] = e[-d] - d * padding; + } + else + { + if (Note_column::has_interface (b) + && Note_column::has_rests (b)) + x_points[d] = e[-d]; + else + x_points[d] = e[d]; + + Item *bound = me->get_bound (d); + if (bound->is_non_musical (bound)) + x_points[d] -= d * padding; + } } } } @@ -108,10 +189,9 @@ Hairpin::print (SCM smob) } bool continued = broken[Direction (-grow_dir)]; - Real height = robust_scm2double (me->get_property ("height"), 0.2) * - Staff_symbol_referencer::staff_space (me); - Real starth, endh; + Real starth = 0; + Real endh = 0; if (grow_dir < 0) { starth = height; @@ -126,20 +206,60 @@ Hairpin::print (SCM smob) /* should do relative to staff-symbol staff-space? */ - Stencil mol; - mol = Line_interface::line (me, Offset (0, starth), Offset (width, endh)); + Real x = 0.0; + + /* + Compensate for size of circle + */ + Direction tip_dir = -grow_dir; + if (circled_tip && !broken[tip_dir]) + { + if (grow_dir > 0) + x = rad * 2.0; + else if (grow_dir < 0) + width -= rad *2.0; + } + mol = Line_interface::line (me, Offset (x, starth), Offset (width, endh)); mol.add_stencil (Line_interface::line (me, - Offset (0, -starth), + Offset (x, -starth), Offset (width, -endh))); + /* + Support al/del niente notation by putting a circle at the + tip of the (de)crescendo. + */ + if (circled_tip) + { + Box extent (Interval (-rad, rad), Interval (-rad, rad)); + + /* Hmmm, perhaps we should have a Lookup::circle () method? */ + Stencil circle (extent, + scm_list_4 (ly_symbol2scm ("circle"), + scm_from_double (rad), + scm_from_double (thick), + SCM_BOOL_F)); + + /* + don't add another circle if the hairpin is broken + */ + if (!broken[tip_dir]) + mol.add_at_edge (X_AXIS, tip_dir, Stencil (circle), 0); + } + mol.translate_axis (x_points[LEFT] - bounds[LEFT]->relative_coordinate (common, X_AXIS), X_AXIS); return mol.smobbed_copy (); } -ADD_INTERFACE (Hairpin, "hairpin-interface", - "A hairpin (de)crescendo.", - "grow-direction height bound-padding adjacent-hairpins"); +ADD_INTERFACE (Hairpin, + "A hairpin crescendo or decrescendo.", + /* properties */ + "adjacent-spanners " + "circled-tip " + "bound-padding " + "grow-direction " + "height " + );