*/
Interval
-Axis_group_interface::cached_pure_height (Grob *me,
- vector<Grob*> const &elts,
- Grob *common,
- int start, int end)
+Axis_group_interface::cached_pure_height (Grob *me, 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++)
+ SCM extents = me->get_property ("adjacent-pure-heights");
+
+ if (!scm_is_vector (extents))
+ return Interval (0, 0);
+
+ Interval ext;
+ for (vsize i = 0; i + 1 < 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 (end == INT_MAX)
- end_index = breaks.size () - 1;
+ if (r > end)
+ break;
- if (start_index == VPOS || end_index == VPOS)
- {
- programming_error (_ ("tried to calculate pure-height at a non-breakpoint"));
- return Interval (0, 0);
+ if (r >= start)
+ ext.unite (ly_scm2interval (scm_c_vector_ref (extents, i)));
}
- SCM extents = me->get_property ("cached-pure-extents");
- if (!scm_is_vector (extents))
+ return ext;
+}
+
+MAKE_SCHEME_CALLBACK (Axis_group_interface, adjacent_pure_heights, 1)
+SCM
+Axis_group_interface::adjacent_pure_heights (SCM smob)
+{
+ Grob *me = unsmob_grob (smob);
+
+ Grob *common = calc_pure_elts_and_common (me);
+ extract_grob_set (me, "pure-relevant-items", items);
+ extract_grob_set (me, "pure-relevant-spanners", spanners);
+
+ Paper_score *ps = get_root_system (me)->paper_score ();
+ vector<vsize> breaks = ps->get_break_indices ();
+ vector<Grob*> cols = ps->get_columns ();
+
+ SCM ret = scm_c_make_vector (breaks.size () - 1, SCM_EOL);
+ vsize it_index = 0;
+ for (vsize i = 0; i + 1 < breaks.size (); i++)
{
- extents = scm_c_make_vector (breaks.size () - 1, SCM_EOL);
- for (vsize i = 0; i + 1 < breaks.size (); i++)
+ int start = Paper_column::get_rank (cols[breaks[i]]);
+ int end = Paper_column::get_rank (cols[breaks[i+1]]);
+ Interval iv;
+
+ for (vsize j = it_index; j < items.size (); j++)
{
- 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));
+ Item *it = dynamic_cast<Item*> (items[j]);
+ int rank = it->get_column ()->get_rank ();
+
+ if (rank <= end && it->pure_is_visible (start, end)
+ && !to_boolean (it->get_property ("cross-staff")))
+ {
+ Interval dims = items[j]->pure_height (common, start, end);
+ if (!dims.is_empty ())
+ iv.unite (dims);
+ }
+
+ if (rank < end)
+ it_index++;
+ else if (rank > end)
+ break;
}
- 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;
+ for (vsize j = 0; j < spanners.size (); j++)
+ {
+ Interval_t<int> rank_span = spanners[j]->spanned_rank_interval ();
+ if (rank_span[LEFT] <= end && rank_span[RIGHT] >= start
+ && !to_boolean (spanners[j]->get_property ("cross-staff")))
+ {
+ Interval dims = spanners[j]->pure_height (common, start, end);
+ if (!dims.is_empty ())
+ iv.unite (dims);
+ }
+ }
+
+ scm_vector_set_x (ret, scm_from_int (i), ly_interval2scm (iv));
+ }
+ return ret;
}
Interval
-Axis_group_interface::relative_pure_height (Grob *me,
- vector<Grob*> const &elts,
- Grob *common,
- int start, int end,
- bool use_cache)
+Axis_group_interface::relative_pure_height (Grob *me, int start, int end)
{
/* 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).
+ (ie. height (i, k) = max (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.
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);
+ if (p && Align_interface::has_interface (p))
+ return Axis_group_interface::cached_pure_height (me, start, end);
+
+ Grob *common = calc_pure_elts_and_common (me);
+ extract_grob_set (me, "pure-relevant-items", items);
+ extract_grob_set (me, "pure-relevant-spanners", spanners);
Interval r;
- for (vsize i = 0; i < elts.size (); i++)
+ for (vsize i = 0; i < items.size (); i++)
{
- Interval_t<int> rank_span = elts[i]->spanned_rank_interval ();
- Item *it = dynamic_cast<Item*> (elts[i]);
- if (rank_span[LEFT] <= end && rank_span[RIGHT] >= start && (!it || it->pure_is_visible (start, end)))
+ Item *it = dynamic_cast<Item*> (items[i]);
+ int rank = it->get_column ()->get_rank ();
+
+ if (rank > end)
+ break;
+ else if (rank >= start && it->pure_is_visible (start, end))
+ {
+ Interval dims = it->pure_height (common, start, end);
+ if (!dims.is_empty ())
+ r.unite (dims);
+ }
+ }
+
+ for (vsize i = 0; i < spanners.size (); i++)
+ {
+ Interval_t<int> rank_span = spanners[i]->spanned_rank_interval ();
+ if (rank_span[LEFT] <= end && rank_span[RIGHT] >= start)
{
- Interval dims = elts[i]->pure_height (common, start, end);
+ Interval dims = spanners[i]->pure_height (common, start, end);
if (!dims.is_empty ())
r.unite (dims);
}
return scm_cdr (system_y_extent);
}
- return pure_group_height (me, start, end);
+ return ly_interval2scm (pure_group_height (me, start, end));
}
MAKE_SCHEME_CALLBACK (Axis_group_interface, calc_skylines, 1);
Grob *me = unsmob_grob (smob);
extract_grob_set (me, "elements", elements);
Grob *y_common = common_refpoint_of_array (elements, me, Y_AXIS);
+ Grob *x_common = common_refpoint_of_array (elements, me, X_AXIS);
- assert (y_common == me);
+ if (y_common != me)
+ programming_error ("combining skylines that don't belong to me");
Skyline_pair ret;
for (vsize i = 0; i < elements.size (); i++)
Real offset = elements[i]->relative_coordinate (y_common, Y_AXIS);
Skyline_pair other = *Skyline_pair::unsmob (skyline_scm);
other.raise (offset);
+ other.shift (elements[i]->relative_coordinate (x_common, X_AXIS));
ret.merge (other);
}
}
extract_grob_set (me, "elements", elts);
- vector<Grob*> relevant_elts;
+ vector<Grob*> relevant_items;
+ vector<Grob*> relevant_spanners;
SCM pure_relevant_p = ly_lily_module_constant ("pure-relevant?");
for (vsize i = 0; i < elts.size (); i++)
{
if (to_boolean (scm_apply_1 (pure_relevant_p, elts[i]->self_scm (), SCM_EOL)))
- relevant_elts.push_back (elts[i]);
+ {
+ if (dynamic_cast<Item*> (elts[i]))
+ relevant_items.push_back (elts[i]);
+ else if (dynamic_cast<Spanner*> (elts[i]))
+ relevant_spanners.push_back (elts[i]);
+ }
+
Item *it = dynamic_cast<Item*> (elts[i]);
Direction d = LEFT;
{
Item *piece = it->find_prebroken_piece (d);
if (piece && to_boolean (scm_apply_1 (pure_relevant_p, piece->self_scm (), SCM_EOL)))
- relevant_elts.push_back (piece);
+ relevant_items.push_back (piece);
}
while (flip (&d) != LEFT);
}
+ vector_sort (relevant_items, Item::less);
+
+ Grob *common = common_refpoint_of_array (relevant_items, me, Y_AXIS);
+ common = common_refpoint_of_array (relevant_spanners, common, Y_AXIS);
- Grob *common = common_refpoint_of_array (relevant_elts, me, Y_AXIS);
me->set_object ("pure-Y-common", 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);
+ SCM items_scm = Grob_array::make_array ();
+ SCM spanners_scm = Grob_array::make_array ();
+
+ unsmob_grob_array (items_scm)->set_array (relevant_items);
+ unsmob_grob_array (spanners_scm)->set_array (relevant_spanners);
+ me->set_object ("pure-relevant-items", items_scm);
+ me->set_object ("pure-relevant-spanners", spanners_scm);
return common;
}
return common->self_scm ();
}
-SCM
+Interval
Axis_group_interface::pure_group_height (Grob *me, int start, int end)
{
Grob *common = calc_pure_elts_and_common (me);
- 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));
+ Interval r (relative_pure_height (me, start, end));
- return ly_interval2scm (r - my_coord);
+ return r - my_coord;
}
void
positions, one for above the staff, one for below).
In each pass, we loop through the unplaced grobs from left to right.
- If the grob overlaps the right-most affected position, we place it
+ If the grob doesn't overlap the right-most affected position, we place it
(and then update the right-most affected position to point to the right
edge of the just-placed grob). Otherwise, we skip it until the next pass.
*/
/* properties */
"X-common "
"Y-common "
+ "adjacent-pure-heights "
"axes "
"elements "
"keep-fixed-while-stretching "
"max-stretch "
+ "no-alignment "
"pure-Y-common "
- "pure-relevant-elements "
+ "pure-relevant-items "
+ "pure-relevant-spanners "
"vertical-skylines "
- "cached-pure-extents "
);