X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fspan-bar.cc;h=36590c30a598fb1c6c4188c3bc46bc83749ca0c5;hb=3aadd90d55f7c838071411ca839307e4500e6ad6;hp=95bd6ae56ea15b68ccaded2910940ca914fa0809;hpb=4b975f3177880e16e759f67be4517f67109c2633;p=lilypond.git diff --git a/lily/span-bar.cc b/lily/span-bar.cc index 95bd6ae56e..36590c30a5 100644 --- a/lily/span-bar.cc +++ b/lily/span-bar.cc @@ -1,9 +1,20 @@ /* - span-bar.cc -- implement Span_bar + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 1997--2010 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 "span-bar.hh" @@ -18,13 +29,10 @@ #include "grob.hh" #include "pointer-group-interface.hh" - void Span_bar::add_bar (Grob *me, Grob *b) { Pointer_group_interface::add_grob (me, ly_symbol2scm ("elements"), b); - - me->add_dependency (b); } MAKE_SCHEME_CALLBACK (Span_bar, print, 1); @@ -49,46 +57,47 @@ Span_bar::print (SCM smobbed_me) extract_grob_set (me, "elements", elements); Grob *refp = common_refpoint_of_array (elements, me, Y_AXIS); - Span_bar::evaluate_glyph (me); - SCM glyph = me->get_property ("glyph"); + SCM glyph = me->get_property ("glyph-name"); /* glyph may not be a string, when ME is killed by Hara Kiri in between. */ if (!scm_is_string (glyph)) return SCM_EOL; - String glyph_string = ly_scm2string (glyph); + string glyph_string = ly_scm2string (glyph); /* compose span_bar_mol */ - Array extents; + vector extents; + vector make_span_bar; Grob *model_bar = 0; - for (int i = elements.size (); i--;) + for (vsize i = elements.size (); i--;) { Grob *bar = elements[i]; - Interval ext = bar->extent (refp, Y_AXIS); + Interval ext = Bar_line::bar_y_extent (bar, refp); if (ext.is_empty ()) continue; - extents.push (ext); + extents.push_back (ext); + make_span_bar.push_back (to_boolean (bar->get_property ("allow-span-bar"))); model_bar = bar; } if (!model_bar) model_bar = me; - - extents.sort (&Interval::left_comparison); + + vector_sort (extents, Interval::left_less); Stencil span_bar; - for (int i = 1; i < extents.size (); i ++) + for (vsize i = 1; i < extents.size (); i++) { - Interval prev_extent = extents[i-1]; - Interval ext = extents[i]; + Interval prev_extent = extents[i - 1]; + Interval ext = extents[i]; if (!prev_extent.is_empty ()) { Interval l (prev_extent [UP], ext[DOWN]); - if (l.is_empty ()) + if (l.is_empty () || !make_span_bar[i]) { /* There is overlap between the bar lines. Do nothing. */ } @@ -106,25 +115,26 @@ Span_bar::print (SCM smobbed_me) } span_bar.translate_axis (- me->relative_coordinate (refp, Y_AXIS), - Y_AXIS); + Y_AXIS); return span_bar.smobbed_copy (); } -MAKE_SCHEME_CALLBACK (Span_bar, width_callback, 2); +MAKE_SCHEME_CALLBACK (Span_bar, width, 1); SCM -Span_bar::width_callback (SCM element_smob, SCM scm_axis) +Span_bar::width (SCM smob) { - Grob *se = unsmob_grob (element_smob); - (void) scm_axis; + Grob *me = unsmob_grob (smob); + SCM gn = me->get_property ("glyph-name"); + if (!me->is_live ()) + return ly_interval2scm (Interval ()); - assert ( (Axis) scm_to_int (scm_axis) == X_AXIS); - String gl = ly_scm2string (se->get_property ("glyph")); + string gl = ly_scm2string (gn); /* urg. */ - Stencil m = Bar_line::compound_barline (se, gl, 40 PT, false); + Stencil m = Bar_line::compound_barline (me, gl, 40 PT, false); return ly_interval2scm (m.extent (X_AXIS)); } @@ -133,24 +143,20 @@ MAKE_SCHEME_CALLBACK (Span_bar, before_line_breaking, 1); SCM Span_bar::before_line_breaking (SCM smob) { - Grob *g = unsmob_grob (smob); - evaluate_empty (g); - evaluate_glyph (g); + Grob *me = unsmob_grob (smob); + extract_grob_set (me, "elements", elements); + if (elements.empty ()) + me->suicide (); - /* No need to call Bar_line::before_line_breaking (), because the info - in ELEMENTS already has been procced by - Bar_line::before_line_breaking (). */ return SCM_UNSPECIFIED; } -MAKE_SCHEME_CALLBACK (Span_bar, center_on_spanned_callback, 2); +MAKE_SCHEME_CALLBACK (Span_bar, center_on_spanned_callback, 1); SCM -Span_bar::center_on_spanned_callback (SCM element_smob, SCM axis) +Span_bar::center_on_spanned_callback (SCM smob) { - Grob *me = unsmob_grob (element_smob); - (void) axis; - assert (scm_to_int (axis) == Y_AXIS); + Grob *me = unsmob_grob (smob); Interval i (get_spanned_interval (me)); /* Bar_line::print delivers a barline of y-extent (-h/2, h/2), so @@ -165,71 +171,59 @@ Span_bar::center_on_spanned_callback (SCM element_smob, SCM axis) return scm_from_double (i.center ()); } -void -Span_bar::evaluate_empty (Grob *me) -{ - /* TODO: filter all hara-kiried out of ELEMENS list, and then - optionally do suicide. Call this cleanage function from - center_on_spanned_callback () as well. */ - extract_grob_set (me, "elements", elements); - if (elements.is_empty ()) - { - me->suicide (); - } -} -void -Span_bar::evaluate_glyph (Grob *me) +MAKE_SCHEME_CALLBACK(Span_bar, calc_glyph_name, 1); +SCM +Span_bar::calc_glyph_name (SCM smob) { - SCM gl = me->get_property ("glyph"); - - if (scm_is_string (gl)) - return; - + Grob *me = unsmob_grob (smob); extract_grob_set (me, "elements", elements); - for (int i = elements.size(); - i-- && !scm_is_string (gl); ) - { - gl = elements[i]->get_property ("glyph"); - } + SCM gl = SCM_EOL; + for (vsize i = elements.size (); + i-- && !scm_is_string (gl);) + gl = elements[i]->get_property ("glyph-name"); if (!scm_is_string (gl)) { me->suicide (); - return; + return SCM_UNSPECIFIED; } - String type = ly_scm2string (gl); - if (type == "|:") - { - type = ".|"; - } + string type = ly_scm2string (gl); + if (type == "|:" || type == "||:") + type = ".|"; else if (type == ":|") - { - type = "|."; - } + type = "|."; else if (type == ":|:") - { - type = ".|."; - } - - gl = scm_makfrom0str (type.to_str0 ()); - if (scm_equal_p (me->get_property ("glyph"), gl) - != SCM_BOOL_T) - me->set_property ("glyph", gl); + type = ".|."; + else if (type == ":|.|:") + type = "|.|"; + else if (type == ":|.:") + type = "|."; + else if (type == "S" || type == "S|" || type == "|S") + type = "||"; + else if (type == "S|:" || type == ".S|:") + type = ".|"; + else if (type == ":|S" || type == ":|S.") + type = "|."; + else if (type == ":|S|:" || type == ":|S.|:") + type = "|._.|"; + else if (type == "'") + type = ""; + + return ly_string2scm (type); } Interval Span_bar::get_spanned_interval (Grob *me) { - return ly_scm2interval (Axis_group_interface::group_extent_callback - (me->self_scm (), scm_from_int (Y_AXIS))); + return ly_scm2interval (Axis_group_interface::generic_group_extent (me, Y_AXIS)); } -MAKE_SCHEME_CALLBACK (Span_bar, get_bar_size, 1); +MAKE_SCHEME_CALLBACK (Span_bar, calc_bar_size, 1); SCM -Span_bar::get_bar_size (SCM smob) +Span_bar::calc_bar_size (SCM smob) { Grob *me = unsmob_grob (smob); Interval iv (get_spanned_interval (me)); @@ -242,8 +236,13 @@ Span_bar::get_bar_size (SCM smob) return scm_from_double (iv.length ()); } -ADD_INTERFACE (Span_bar, "span-bar-interface", - "A bar line that spanned between other barlines. This interface is " - " used for bar lines that connect different staves.", - "elements"); +ADD_INTERFACE (Span_bar, + "A bar line that is spanned between other barlines. This" + " interface is used for bar lines that connect different" + " staves.", + + /* properties */ + "glyph-name " + "elements " + );