X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fline-interface.cc;h=634ec084a8838be32b68c543f21eeb6a7833dd47;hb=ace881437adc0146a62cffa3255ac1ca169bd054;hp=f936b0498f26d2abd1cd5e61d27938a36bf79e37;hpb=92d1a61acbd9b8a4556eaff60894426b7e133e6f;p=lilypond.git diff --git a/lily/line-interface.cc b/lily/line-interface.cc index f936b0498f..634ec084a8 100644 --- a/lily/line-interface.cc +++ b/lily/line-interface.cc @@ -1,18 +1,29 @@ /* - line-interface.cc -- implement Line_interface + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 2004--2010 Han-Wen Nienhuys - (c) 2004--2007 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 "line-interface.hh" -#include "staff-symbol-referencer.hh" +#include "font-interface.hh" +#include "grob.hh" #include "lookup.hh" #include "output-def.hh" -#include "grob.hh" -#include "font-interface.hh" +#include "staff-symbol-referencer.hh" Stencil Line_interface::make_arrow (Offset begin, Offset end, @@ -37,15 +48,9 @@ Line_interface::make_trill_line (Grob *me, Offset from, Offset to) { - Offset dz = (to-from); - SCM alist_chain = Font_interface::text_font_alist_chain (me); - SCM style_alist = scm_list_n (scm_cons (ly_symbol2scm ("font-encoding"), - ly_symbol2scm ("fetaMusic")), - SCM_UNDEFINED); + Offset dz = (to - from); - Font_metric *fm = select_font (me->layout (), - scm_cons (style_alist, - alist_chain)); + Font_metric *fm = Font_interface::get_default_font (me); Stencil elt = fm->find_by_name ("scripts.trill_element"); elt.align_to (Y_AXIS, CENTER); @@ -77,7 +82,7 @@ Line_interface::make_zigzag_line (Grob *me, Offset from, Offset to) { - Offset dz = to -from; + Offset dz = to - from; Real thick = Staff_symbol_referencer::line_thickness (me); thick *= robust_scm2double (me->get_property ("thickness"), 1.0); // todo: staff sym referencer? @@ -111,13 +116,7 @@ Line_interface::make_zigzag_line (Grob *me, total.add_stencil (moved_squiggle); } - Box b; - b.add_point (Offset (0, 0)); - b.add_point (dz); - b[X_AXIS].widen (thick / 2); - b[Y_AXIS].widen (thick / 2); - - return Stencil (b, total.expr ()); + return total; } @@ -204,22 +203,21 @@ Line_interface::line (Grob *me, Offset from, Offset to) SCM type = me->get_property ("style"); if (type == ly_symbol2scm ("zigzag")) - { - return make_zigzag_line (me, from, to); - } + return make_zigzag_line (me, from, to); else if (type == ly_symbol2scm ("trill")) return make_trill_line (me, from, to); + else if (type == ly_symbol2scm ("none")) + return Stencil (); - Stencil stil; + Stencil stencil; - SCM dash_fraction = me->get_property ("dash-fraction"); - if (scm_is_number (dash_fraction) || type == ly_symbol2scm ("dotted-line")) + if (type == ly_symbol2scm ("dashed-line") || type == ly_symbol2scm ("dotted-line")) { Real fraction = type == ly_symbol2scm ("dotted-line") ? 0.0 - : robust_scm2double (dash_fraction, 0.4); + : robust_scm2double (me->get_property ("dash-fraction"), 0.4); fraction = min (max (fraction, 0.0), 1.0); Real period = Staff_symbol_referencer::staff_space (me) @@ -228,7 +226,7 @@ Line_interface::line (Grob *me, Offset from, Offset to) if (period <= 0) return Stencil (); - Real len = (to-from).length (); + Real len = (to - from).length (); int n = (int) rint ((len - period * fraction) / period); n = max (0, n); @@ -238,31 +236,33 @@ Line_interface::line (Grob *me, Offset from, Offset to) TODO: figure out something intelligent for really short sections. */ - period = ((to-from).length () - period * fraction) / n; + period = ((to - from).length () - period * fraction) / n; } - stil = make_dashed_line (thick, from, to, period, fraction); + stencil = make_dashed_line (thick, from, to, period, fraction); } else - stil = make_line (thick, from, to); + stencil = make_line (thick, from, to); - return stil; + return stencil; } ADD_INTERFACE (Line_interface, - "Generic line objects. Any object using lines supports this. Normally, " - "you get a straight line. If @code{dash-period} is defined, a dashed line is " - "produced; the length of the dashes is tuned with " - "@code{dash-fraction}. If the latter is set to 0, a dotted line is " - "produced. If @code{dash-fraction} is negative, the line is made " - "transparent.", + "Generic line objects. Any object using lines supports this." + " The property @code{style} can be @code{line}," + " @code{dashed-line}, @code{trill}, @code{dotted-line}," + " @code{zigzag} or @code{none} (a transparent line).\n" + "\n" + "For @code{dashed-line}, the length of the dashes is tuned" + " with @code{dash-fraction}. If the latter is set to@tie{}0, a" + " dotted line is produced.", /* properties */ - "dash-period " + "arrow-length " + "arrow-width " "dash-fraction " - "thickness " + "dash-period " "style " + "thickness " "zigzag-length " "zigzag-width " - "arrow-length " - "arrow-width ") - + );