#include "axis-group-interface.hh"
-#include "align-interface.hh"
#include "pointer-group-interface.hh"
#include "grob.hh"
-#include "grob-array.hh"
#include "hara-kiri-group-spanner.hh"
-#include "international.hh"
-#include "item.hh"
-#include "paper-column.hh"
-#include "paper-score.hh"
-#include "system.hh"
#include "warn.hh"
void
if (!scm_is_pair (axes))
programming_error ("axes should be nonempty");
- for (SCM ax = axes; scm_is_pair (ax); ax = scm_cdr (ax))
+ for (SCM ax = axes; ax != SCM_EOL; ax = scm_cdr (ax))
{
Axis a = (Axis) scm_to_int (scm_car (ax));
if (!e->get_parent (a))
e->set_parent (me, a);
- e->set_object ((a == X_AXIS)
- ? ly_symbol2scm ("axis-group-parent-X")
- : ly_symbol2scm ("axis-group-parent-Y"),
- me->self_scm ());
+ e->internal_set_object ((a == X_AXIS)
+ ? ly_symbol2scm ("axis-group-parent-X")
+ : ly_symbol2scm ("axis-group-parent-Y"),
+ me->self_scm ());
}
/* must be ordered, because Align_interface also uses
return r;
}
-Interval
-Axis_group_interface::cached_pure_height (Grob *me,
- vector<Grob*> const &elts,
- Grob *common,
- int start, int end)
-{
- Paper_score *ps = get_root_system (me)->paper_score ();
- vector<vsize> breaks = ps->get_break_indices ();
- vector<Grob*> cols = ps->get_columns ();
- vsize start_index = VPOS;
- vsize end_index = VPOS;
-
- for (vsize i = 0; i < breaks.size (); i++)
- {
- int r = Paper_column::get_rank (cols[breaks[i]]);
- if (start == r)
- start_index = i;
- if (end == r)
- end_index = i;
- }
-
- if (start_index == VPOS || end_index == VPOS)
- {
- programming_error (_ ("tried to calculate pure-height at a non-breakpoint"));
- return Interval (0, 0);
- }
-
- SCM extents = me->get_property ("cached-pure-extents");
- if (!scm_is_vector (extents))
- {
- extents = scm_c_make_vector (breaks.size () - 1, SCM_EOL);
- for (vsize i = 0; i < breaks.size () - 1; i++)
- {
- int st = Paper_column::get_rank (cols[breaks[i]]);
- int ed = Paper_column::get_rank (cols[breaks[i+1]]);
- Interval iv = relative_pure_height (me, elts, common, st, ed, false);
- scm_vector_set_x (extents, scm_from_int (i), ly_interval2scm (iv));
- }
- me->set_property ("cached-pure-extents", extents);
- }
-
- Interval ext (0, 0);
- for (vsize i = start_index; i < end_index; i++)
- ext.unite (ly_scm2interval (scm_c_vector_ref (extents, i)));
- return ext;
-}
-
-Interval
-Axis_group_interface::relative_pure_height (Grob *me,
- vector<Grob*> const &elts,
- Grob *common,
- int start, int end,
- bool use_cache)
-{
- /* It saves a _lot_ of time if we assume a VerticalAxisGroup is additive
- (ie. height (i, k) = height (i, j) + height (j, k) for all i <= j <= k).
- Unfortunately, it isn't always true, particularly if there is a
- VerticalAlignment somewhere in the descendants.
-
- Apart from PianoStaff, which has a fixed VerticalAlignment so it doesn't
- count, the only VerticalAlignment comes from Score. This makes it
- reasonably safe to assume that if our parent is a VerticalAlignment,
- we can assume additivity and cache things nicely. */
- Grob *p = me->get_parent (Y_AXIS);
- if (use_cache && p && Align_interface::has_interface (p))
- return Axis_group_interface::cached_pure_height (me, elts, common, start, end);
-
- Interval r;
-
- for (vsize i = 0; i < elts.size (); i++)
- {
- Interval_t<int> rank_span = elts[i]->spanned_rank_iv ();
- Item *it = dynamic_cast<Item*> (elts[i]);
- if (rank_span[LEFT] <= end && rank_span[RIGHT] >= start && (!it || it->pure_is_visible (start, end)))
- {
- Interval dims = elts[i]->pure_height (common, start, end);
- if (!dims.is_empty ())
- r.unite (dims);
- }
- }
- return r;
-}
-
MAKE_SCHEME_CALLBACK (Axis_group_interface, width, 1);
SCM
Axis_group_interface::width (SCM smob)
Grob *me = unsmob_grob (smob);
return generic_group_extent (me, Y_AXIS);
}
-
-MAKE_SCHEME_CALLBACK (Axis_group_interface, pure_height, 3);
-SCM
-Axis_group_interface::pure_height (SCM smob, SCM start_scm, SCM end_scm)
-{
- int start = robust_scm2int (start_scm, 0);
- int end = robust_scm2int (end_scm, INT_MAX);
- Grob *me = unsmob_grob (smob);
-
- return pure_group_height (me, start, end);
-}
SCM
Axis_group_interface::generic_group_extent (Grob *me, Axis a)
return ly_interval2scm (r - my_coord);
}
-SCM
-Axis_group_interface::pure_group_height (Grob *me, int start, int end)
-{
- Grob *common = unsmob_grob (me->get_object ("common-refpoint-of-elements"));
-
- if (!common)
- {
- extract_grob_set (me, "elements", elts);
-
- vector<Grob*> relevant_elts;
- SCM is_relevant = ly_lily_module_constant ("pure-relevant");
-
- for (vsize i = 0; i < elts.size (); i++)
- {
- if (to_boolean (scm_apply_1 (is_relevant, elts[i]->self_scm (), SCM_EOL)))
- relevant_elts.push_back (elts[i]);
-
- Item *it = dynamic_cast<Item*> (elts[i]);
- Direction d = LEFT;
- if (it)
- do
- {
- Item *piece = it->find_prebroken_piece (d);
- if (piece && to_boolean (scm_apply_1 (is_relevant, piece->self_scm (), SCM_EOL)))
- relevant_elts.push_back (piece);
- }
- while (flip (&d) != LEFT);
- }
-
- common = common_refpoint_of_array (relevant_elts, me, Y_AXIS);
- me->set_object ("common-refpoint-of-elements", common->self_scm ());
-
- SCM ga_scm = Grob_array::make_array ();
- Grob_array *ga = unsmob_grob_array (ga_scm);
- ga->set_array (relevant_elts);
- me->set_object ("pure-relevant-elements", ga_scm);
- }
-
- extract_grob_set (me, "pure-relevant-elements", elts);
- Real my_coord = me->relative_coordinate (common, Y_AXIS);
- Interval r (relative_pure_height (me, elts, common, start, end, true));
-
- return ly_interval2scm (r - my_coord);
-}
-
void
Axis_group_interface::get_children (Grob *me, vector<Grob*> *found)
{
/* properties */
"axes "
- "elements "
- "common-refpoint-of-elements "
- "pure-relevant-elements "
- "cached-pure-extents "
- );
+ "elements ");
projects / lilypond.git / blobdiff