-/*
- dimension-cache.hh -- declare Dimension_cache
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1998--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ 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 <http://www.gnu.org/licenses/>.
+*/
#ifndef DIMENSION_CACHE_HH
#define DIMENSION_CACHE_HH
-#include "interval.hh"
-#include "real.hh"
#include "lily-proto.hh"
-#include "parray.hh"
-
-/**
- Adminstration of offset dimension info.
- */
+/*
+ XY offset/refpoint/extent structure.
+*/
class Dimension_cache
{
- bool valid_b_;
- /** Is this element dimensionless?.
- This is private to guarantee correctness of the cache
- */
- bool empty_b_;
- Interval dim_;
- /**
- The offset wrt. to the center of #parent_l_#
- */
- Real offset_;
- Graphical_element *elt_l_;
- friend class Graphical_element;
-
+ Interval *extent_;
+ Real *offset_;
+ Grob *parent_;
void init ();
-public:
- /** The #offset_# is defined with regard to this graphical_element/
- dimension_cache. */
-
- Dimension_cache * parent_l_;
- Link_array<Dimension_cache> dependencies_l_arr_;
-
- Real absolute_coordinate () const;
- void invalidate ();
- void invalidate_dependencies ();
-
- Dimension_cache(Dimension_cache const&);
+ void clear ();
+
+ friend class Grob;
+
+ Dimension_cache (Dimension_cache const &);
+ Dimension_cache & operator = (Dimension_cache const &d);
+ ~Dimension_cache ();
Dimension_cache ();
- void set_group_l (Graphical_axis_group*);
- Real relative_coordinate (Dimension_cache *d) const;
- Dimension_cache*common_group (Dimension_cache const* s) const;
- Dimension_cache*common_group (Link_array<Dimension_cache> caches) const;
- void set_empty (bool);
- void translate (Real);
- void set_offset (Real);
- bool valid_b () const { return valid_b_; }
- bool empty_b() const { return empty_b_; }
- void set_dim (Interval);
- Interval get_dim () const;
};
-
#endif /* DIMENSION_CACHE_HH */