}
// If include_fixed_spacing is false, the only constraints that will be measured
-// here are those that result from collisions (+ padding). That is, all
-// minimum-distances, line-break-system-details, basic-distance+stretchable=0
-// constraints will be ignored.
+// here are those that result from collisions (+ padding) and minimum-distance
+// between adjacent staves.
+// If include_fixed_spacing is true, constraints from line-break-system-details,
+// basic-distance+stretchable=0, and staff-staff-spacing of spaceable staves
+// with loose lines in between, are included as well.
// - If you want to find the minimum height of a system, include_fixed_spacing should be true.
// - If you're going to actually lay out the page, then it should be false (or
// else centered dynamics will break when there is a fixed alignment).
Skyline down_skyline (stacking_dir);
Real last_spaceable_element_pos = 0;
Grob *last_spaceable_element = 0;
+ Skyline last_spaceable_skyline (stacking_dir);
int spaceable_count = 0;
for (vsize j = 0; j < elems.size (); j++)
{
Real padding = default_padding;
if (j == 0)
- dy = skylines[j][-stacking_dir].max_height ();
+ dy = skylines[j][-stacking_dir].max_height () + padding;
else
{
- down_skyline.merge (skylines[j-1][stacking_dir]);
- dy = down_skyline.distance (skylines[j][-stacking_dir]);
-
SCM spec = Page_layout_problem::get_spacing_spec (elems[j-1], elems[j], pure, start, end);
Page_layout_problem::read_spacing_spec (spec, &padding, ly_symbol2scm ("padding"));
- if (include_fixed_spacing)
- {
- Real min_distance = 0;
- if (Page_layout_problem::read_spacing_spec (spec, &min_distance, ly_symbol2scm ("minimum-distance")))
- dy = max (dy, min_distance);
+ dy = down_skyline.distance (skylines[j][-stacking_dir]) + padding;
- dy = max (dy, Page_layout_problem::get_fixed_spacing (elems[j-1], elems[j], spaceable_count, pure, start, end));
- }
+ Real min_distance = 0;
+ if (Page_layout_problem::read_spacing_spec (spec, &min_distance, ly_symbol2scm ("minimum-distance")))
+ dy = max (dy, min_distance);
- if (Page_layout_problem::is_spaceable (elems[j]) && last_spaceable_element)
+ if (include_fixed_spacing)
+ dy = max (dy, Page_layout_problem::get_fixed_spacing (elems[j-1], elems[j], spaceable_count, pure, start, end));
+
+ if (include_fixed_spacing && Page_layout_problem::is_spaceable (elems[j]) && last_spaceable_element)
{
// Spaceable staves may have
// constraints coming from the previous spaceable staff
Page_layout_problem::read_spacing_spec (spec,
&spaceable_padding,
ly_symbol2scm ("padding"));
- padding = max (padding, spaceable_padding);
+ dy = max(dy, (last_spaceable_skyline.distance (skylines[j][-stacking_dir])
+ + stacking_dir*(last_spaceable_element_pos - where) + spaceable_padding));
- if (include_fixed_spacing)
- {
- Real min_distance = 0;
- if (Page_layout_problem::read_spacing_spec (spec,
- &min_distance,
- ly_symbol2scm ("minimum-distance")))
- dy = max (dy, min_distance + stacking_dir*(last_spaceable_element_pos - where));
-
- dy = max (dy, Page_layout_problem::get_fixed_spacing (last_spaceable_element, elems[j], spaceable_count,
- pure, start, end));
- }
+ Real spaceable_min_distance = 0;
+ if (Page_layout_problem::read_spacing_spec (spec,
+ &spaceable_min_distance,
+ ly_symbol2scm ("minimum-distance")))
+ dy = max (dy, spaceable_min_distance + stacking_dir*(last_spaceable_element_pos - where));
+
+ dy = max (dy, Page_layout_problem::get_fixed_spacing (last_spaceable_element, elems[j], spaceable_count,
+ pure, start, end));
}
}
if (isinf (dy)) /* if the skyline is empty, maybe max_height is infinity_f */
dy = 0.0;
- dy = max (0.0, dy + padding);
+ dy = max (0.0, dy);
down_skyline.raise (-stacking_dir * dy);
+ down_skyline.merge (skylines[j][stacking_dir]);
where += stacking_dir * dy;
translates.push_back (where);
spaceable_count++;
last_spaceable_element = elems[j];
last_spaceable_element_pos = where;
+ last_spaceable_skyline = down_skyline;
}
}
Real system_position = first_staff_position + first_staff_min_translation;
// Position the staves within this system.
- Real translation = 0;
vector<Real> const& min_offsets = elements_[i].min_offsets;
bool found_spaceable_staff = false;
for (vsize staff_idx = 0; staff_idx < elements_[i].staves.size (); ++staff_idx)
if (is_spaceable (staff))
{
// this is relative to the system: negative numbers are down.
- translation = system_position - solution_[spring_idx];
- spring_idx++;
+ staff->translate_axis (system_position - solution_[spring_idx], Y_AXIS);
// Lay out any non-spaceable lines between this line and
// the last one.
loose_lines.push_back (staff);
distribute_loose_lines (loose_lines, loose_line_min_distances,
- last_spaceable_line_translation, translation - system_position);
+ last_spaceable_line_translation, -solution_[spring_idx]);
loose_lines.clear ();
loose_line_min_distances.clear ();
}
last_spaceable_line = staff;
- last_spaceable_line_translation = -solution_[spring_idx - 1];
-
- staff->translate_axis (translation, Y_AXIS);
+ last_spaceable_line_translation = -solution_[spring_idx];
found_spaceable_staff = true;
+ spring_idx++;
}
else
{