X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frod.cc;h=be04a669ab728b1354376aa2ab420c84e3ab0ae8;hb=refs%2Fheads%2Fbugs%2F572290;hp=932133f33918cc0e5b1f1782a4fd5eaacc910ddc;hpb=fc3e875d6bf06f0680e897faffdcab36ad975a03;p=lilypond.git diff --git a/lily/rod.cc b/lily/rod.cc index 932133f339..be04a669ab 100644 --- a/lily/rod.cc +++ b/lily/rod.cc @@ -1,44 +1,49 @@ -/* - rod.cc -- implement Rod, Column_rod - +/* + rod.cc -- implement Rod, Column_rod + source file of the GNU LilyPond music typesetter - - (c) 1998--2001 Han-Wen Nienhuys - - */ + + (c) 1998--2009 Han-Wen Nienhuys +*/ + #include "rod.hh" + #include "paper-column.hh" -#include "debug.hh" +#include "warn.hh" #include "dimensions.hh" -#include "spaceable-element.hh" +#include "spaceable-grob.hh" Rod::Rod () { - distance_f_ = 0.0; - item_l_drul_[LEFT] = item_l_drul_[RIGHT] =0; + distance_ = 0.0; + item_drul_[LEFT] = item_drul_[RIGHT] = 0; } - - void Rod::columnize () { - Direction d = LEFT; - do { - Paper_column * pc = item_l_drul_[d]->column_l (); - distance_f_ += - d * item_l_drul_[d]->relative_coordinate (pc, X_AXIS); - item_l_drul_[d] = pc; - } while ((flip (&d))!=LEFT); + if (!item_drul_[LEFT] + || !item_drul_[RIGHT]) + return; + Direction d = LEFT; + do + { + Paper_column *pc = item_drul_[d]->get_column (); + distance_ += -d * item_drul_[d]->relative_coordinate (pc, X_AXIS); + item_drul_[d] = pc; + } + while ((flip (&d)) != LEFT); } void Rod::add_to_cols () { columnize (); - if (item_l_drul_[LEFT] != item_l_drul_[RIGHT]) - Spaceable_grob::add_rod (item_l_drul_[LEFT], - item_l_drul_[RIGHT], - distance_f_); + if (item_drul_[LEFT] != item_drul_[RIGHT] + && item_drul_[LEFT] && item_drul_[RIGHT]) + Spaceable_grob::add_rod (item_drul_[LEFT], + item_drul_[RIGHT], + distance_); }