X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fdimension-cache.cc;h=c98b949fd31a81bc3a79571f55999d6e45471c25;hb=42392675026a0d14bda19d0a279a6762e4e84cf4;hp=ad4c630c0a38ad36fa5e10f12bdef3dff3a1d5ad;hpb=160441415ece6ea402f7af59087293d8d16c29f2;p=lilypond.git diff --git a/lily/dimension-cache.cc b/lily/dimension-cache.cc index ad4c630c0a..c98b949fd3 100644 --- a/lily/dimension-cache.cc +++ b/lily/dimension-cache.cc @@ -3,142 +3,46 @@ source file of the GNU LilyPond music typesetter - (c) 1998--2000 Han-Wen Nienhuys + (c) 1998--2003 Han-Wen Nienhuys */ #include #include "warn.hh" - #include "dimension-cache.hh" #include "parray.hh" -#include "score-element.hh" +#include "grob.hh" Dimension_cache::Dimension_cache (Dimension_cache const &d) { - init(); - extent_callback_l_ = d.extent_callback_l_; - basic_offset_ = d.basic_offset_; - extra_offset_ = d.extra_offset_; - off_valid_b_ = d.off_valid_b_; - off_callbacks_ = d.off_callbacks_; - parent_l_ = d.parent_l_; -} + init (); + dimension_ = d.dimension_; -Dimension_cache::Dimension_cache () -{ - init(); + offset_ = d.offset_; + offset_callbacks_ = d.offset_callbacks_; + offsets_left_ = d.offsets_left_; + parent_ = d.parent_; } -void -Dimension_cache::init() +Dimension_cache::Dimension_cache () { - extent_callback_l_ =0; - basic_offset_ =0.0; - extra_offset_ =0.0; - - elt_l_ = 0; - dim_.set_empty (); - parent_l_ =0; - valid_b_ = false; - off_valid_b_ = false; + init (); } - void -Dimension_cache::translate (Real x) -{ - extra_offset_ += x; -} - -Real -Dimension_cache::relative_coordinate (Dimension_cache *refp) const -{ - if (refp == this) - return 0.0; - - /* - We catch PARENT_L_ == nil case with this, but we crash if we did - not ask for the absolute coordinate (ie. REFP == nil.) - - */ - if (refp == parent_l_) - return get_offset (); - else - return get_offset () + parent_l_->relative_coordinate (refp); -} - -Axis -Dimension_cache::axis () const +Dimension_cache::init () { - if (elt_l_-> dim_cache_[X_AXIS] == this) - return X_AXIS; - else - return Y_AXIS; -} + dimension_ = SCM_EOL; -Real -Dimension_cache::get_offset () const -{ - Dimension_cache *me = (Dimension_cache*) this; - while (off_callbacks_.size ()) - { - Offset_cache_callback c = me->off_callbacks_[0]; - me->off_callbacks_.del (0); - Real r = (*c) (me); - if (isinf (r) || isnan (r)) - { - r = 0.0; - programming_error ("Infinity or NaN encountered"); - } - me->basic_offset_ +=r; - } - return basic_offset_ + extra_offset_; + offsets_left_ = 0; + offset_callbacks_ = SCM_EOL; + offset_ =0.0; + + parent_ =0; } -Dimension_cache * -Dimension_cache::common_refpoint (Dimension_cache const* s) const -{ - /* - I don't like the quadratic aspect of this code. Maybe this should - be rewritten some time, but the largest chain of parents might be - 10 high or so, so it shouldn't be a real issue. */ - for (Dimension_cache const *c = this; c; c = c->parent_l_) - for (Dimension_cache const * d = s; d; d = d->parent_l_) - if (d == c) - return (Dimension_cache*)d; - - return 0; -} -Interval -Dimension_cache::point_dimension_callback (Dimension_cache const* ) -{ - return Interval (0,0); -} -Interval -Dimension_cache::get_dim () const -{ - Interval r; - Dimension_cache *nc = ((Dimension_cache*)this); - if (!extent_callback_l_) - { - nc->dim_.set_empty (); - } - else if (!valid_b_) - { - nc->dim_= (*extent_callback_l_ ) (nc); - nc->valid_b_ = true; - } - r=dim_; - return r; -} -void -Dimension_cache::set_extent_callback (Dim_cache_callback c) -{ - extent_callback_l_ =c; -}