source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "graphical-element.hh"
-#include "axis-group-element.hh"
+#include "graphical-axis-group.hh"
#include "debug.hh"
-bool
-Graphical_element::empty_b () const
-{
- return empty_b_;
-}
-
Graphical_element::Graphical_element ()
{
+ dim_cache_[X_AXIS] = new Dimension_cache;
+ dim_cache_[Y_AXIS] = new Dimension_cache;
+ used_b_ = false;
init ();
}
Graphical_element::Graphical_element (Graphical_element const &s)
{
+ dim_cache_[X_AXIS] = new Dimension_cache (*s.dim_cache_[X_AXIS]);
+ dim_cache_[Y_AXIS] = new Dimension_cache (*s.dim_cache_[Y_AXIS]);
+
+ used_b_ = true;
init ();
- empty_b_ = s.empty_b_;
- axis_group_l_a_[0] = axis_group_l_a_[1] =0;
- offset_ = Offset (0,0);
}
-Graphical_element::~Graphical_element ()
-{
-
-}
-
void
Graphical_element::init ()
{
- empty_b_ = false;
- axis_group_l_a_[X_AXIS] = axis_group_l_a_[Y_AXIS] =0;
- offset_ = Offset (0,0);
- cached_valid_b_a_ [X_AXIS] = cached_valid_b_a_[Y_AXIS] = false;
-}
-
-void
-Graphical_element::invalidate_cache (Axis a)
-{
- Graphical_element * g = this;
- while (g && g->cached_valid_b_a_[a])
- {
- g->cached_valid_b_a_ [a] = false;
- g = g->axis_group_l_a_[a];
- }
+ dim_cache_[X_AXIS]->elt_l_ = dim_cache_[Y_AXIS]->elt_l_ = this;
}
Real
Graphical_element::absolute_coordinate (Axis a) const
{
- Real r = offset_[a];
- for (Axis_group_element * axis_group_l = axis_group_l_a_[a];
- axis_group_l; axis_group_l = axis_group_l->axis_group_l_a_[a])
-
- r += axis_group_l->offset_[a];
- return r;
-}
-
-
-Offset
-Graphical_element::absolute_offset() const
-{
- return Offset (absolute_coordinate (X_AXIS), absolute_coordinate (Y_AXIS));
+ return dim_cache_[a]->absolute_coordinate ();
}
void
Graphical_element::translate_axis (Real y, Axis a)
{
- if (axis_group_l_a_[a])
- axis_group_l_a_[a]->invalidate_cache (a);
- offset_[a] += y;
-}
+ dim_cache_[a]->translate (y);
+}
Real
-Graphical_element::relative_coordinate (Axis_group_element*e, Axis a) const
+Graphical_element::relative_coordinate (Dimension_cache*e, Axis a) const
{
- Real r =0.0;
- for (Axis_group_element * axis_group_l = axis_group_l_a_[a];
- axis_group_l != e;
- axis_group_l = axis_group_l->axis_group_l_a_[a])
- r += axis_group_l->offset_[a];
-
- return r;
+ return dim_cache_[a]->relative_coordinate (e);
}
-Axis_group_element*
+Dimension_cache *
Graphical_element::common_group (Graphical_element const* s, Axis a) const
{
- Link_array<Axis_group_element> my_groups;
- for (Axis_group_element * axis_group_l = axis_group_l_a_[a];
- axis_group_l;
- axis_group_l = axis_group_l->axis_group_l_a_[a])
- my_groups.push (axis_group_l);
-
- Axis_group_element* common_l=0;
- for (Axis_group_element * axis_group_l = s->axis_group_l_a_[a];
- !common_l && axis_group_l;
- axis_group_l = axis_group_l->axis_group_l_a_[a])
- common_l = my_groups.find_l (axis_group_l);
-
- return common_l;
+ return dim_cache_[a]->common_group (s->dim_cache_[a]);
}
-
-
void
Graphical_element::translate (Offset offset)
{
translate_axis (offset[X_AXIS], X_AXIS);
}
-Interval
-Graphical_element::width() const
-{
- return extent (X_AXIS);
-}
void
Graphical_element::set_empty (bool b)
{
- if (empty_b_ != b)
- {
- empty_b_ = b;
- if (!empty_b_)
- {
- invalidate_cache (X_AXIS);
- invalidate_cache (Y_AXIS);
- }
- }
-
+ dim_cache_[X_AXIS]->set_empty (b);
+ dim_cache_[Y_AXIS]->set_empty (b);
}
Interval
Graphical_element::extent (Axis a) const
{
- if (empty_b_)
+ Dimension_cache const * d = dim_cache_[a];
+
+ if (d->empty_b ())
return Interval ();
- if (!cached_valid_b_a_[a])
- {
- Graphical_element *self = (Graphical_element*)this;
- self->cached_dimension_a_[a] = (a == X_AXIS)? do_width(): do_height ();
- self->cached_valid_b_a_[a] = true;
- }
-
- Interval r(cached_dimension_a_[a]);
- if (!r.empty_b()) // float exception on DEC Alpha
- r+=offset_[a];
-
- return r;
+ return d->get_dim ();
}
-Interval
-Graphical_element::height() const
+
+void
+Graphical_element::do_print () const
{
- return extent (Y_AXIS);
+#ifndef NPRINT
+ DOUT << '\n';
+#endif
}
+
+
void
-Graphical_element::unlink ()
+Graphical_element::invalidate_cache (Axis a)
{
- for (int j=0; j < 2; j++)
- if (axis_group_l_a_[j])
- axis_group_l_a_[j]->remove_element (this);
+ dim_cache_[a]->invalidate ();
}
-void
-Graphical_element::junk_links ()
+Graphical_element*
+Graphical_element::parent_l (Axis a) const
+{
+ Dimension_cache*d= dim_cache_[a]->parent_l_;
+ return d ? d->elt_l_ : 0;
+}
+
+Graphical_element::~Graphical_element ()
{
- axis_group_l_a_[X_AXIS] = axis_group_l_a_[Y_AXIS] =0;
+ delete dim_cache_[X_AXIS];
+ delete dim_cache_[Y_AXIS];
+}
+
+Dimension_cache *
+Graphical_element::common_group (Link_array<Graphical_element> gs, Axis a) const
+{
+ Dimension_cache * common = dim_cache_[a];
+ for (int i=0; i < gs.size (); i++)
+ {
+ common = common->common_group (gs[i]->dim_cache_[a]);
+ }
+
+ return common;
+}
+
+char const *
+Graphical_element::name () const
+{
+ return classname (this);
}
void
Graphical_element::print () const
{
#ifndef NPRINT
- if (offset_.x() || offset_.y ())
- DOUT << "offset: " << offset_.str() ;
- DOUT << "\n";
+ DOUT << classname (this) << "{\n";
+ do_print ();
+ DOUT << "}\n";
#endif
-}
-
-IMPLEMENT_IS_TYPE_B(Graphical_element);
-
+}
projects / lilypond.git / blobdiff