Build native groups at the legacy conversion seams

This commit is contained in:
Dennis Kobert
2026-08-27 20:22:24 +00:00
parent 6f809fda73
commit e8aea0728a
5 changed files with 115 additions and 97 deletions

View File

@@ -178,11 +178,11 @@ fn assign_colors_graphic<'e>(
if lane >= content.len() {
return Err(GraphError::past_end().into());
}
let mut element = graphic_types::graphic::map_groups_to_legacy(content.element_ref(lane));
let original = content.element_ref(lane);
let (transform, layer_path) = carried_lane_attrs(ctx.arena(), *content.lane(lane))?;
if gradient.is_empty() {
return Ok((element, transform, layer_path));
return Ok((original.clone(), transform, layer_path));
}
let gradient_element = gradient.element_ref(0);
let reversed;
@@ -218,30 +218,31 @@ fn assign_colors_graphic<'e>(
(entry.offsets[content.len()], entry.offsets[lane])
};
// A de-tabled vector leaf carries no attributes, so the paint rides the
// containing lane: a bare leaf wraps into a one-lane list, and a lowered
// vector run's leaves take one color per lane.
if graphic_types::graphic::direct_vector_len(content.element_ref(lane)) > 0 {
let mut children = match element {
Graphic::Graphic(children) => children,
leaf => List::new_from_element(leaf),
};
let mut consumed = 0;
for index in 0..children.len() {
let Some(Graphic::Vector(vector)) = children.element(index) else { continue };
let has_stroke = vector.stroke.is_some();
let color = assign_color_at(gradient_element, position + consumed, length, randomize, seed, repeat_every);
let paint = List::new_from_element(color).into_graphic_list();
if fill {
set_paint_attribute_at(&mut children, index, ATTR_FILL, paint.clone());
// The direct vector rows as a scratch list, one color per row, rebuilt as
// a native run; a lane without direct rows passes through untouched.
let rows = match original {
Graphic::Vector(vector) => Some(List::new_from_element(vector.clone())),
Graphic::Group(group) if group.row.is_none() => graphic_types::graphic::run_to_list::<Vector>(&group.content),
_ => None,
};
let element = match rows {
Some(mut rows) => {
for row in 0..rows.len() {
let has_stroke = rows.element(row).is_some_and(|vector| vector.stroke.is_some());
let color = assign_color_at(gradient_element, position + row, length, randomize, seed, repeat_every);
let paint = List::new_from_element(color).into_graphic_list();
if fill {
set_paint_attribute_at(&mut rows, row, ATTR_FILL, paint.clone());
}
if stroke && has_stroke {
set_paint_attribute_at(&mut rows, row, ATTR_STROKE, paint.clone());
}
}
if stroke && has_stroke {
set_paint_attribute_at(&mut children, index, ATTR_STROKE, paint.clone());
}
consumed += 1;
let content = core_types::record::GroupItem::from_list(rows, ctx.arena()).ok_or_else(|| Interrupt::from(GraphError::new("the arena is exhausted")))?;
Graphic::Group(core_types::record::Group { row: None, content })
}
element = Graphic::Graphic(children);
}
None => original.clone(),
};
Ok((element, transform, layer_path))
}
@@ -1596,7 +1597,7 @@ where
{
// SAFETY: a materialized input's frames are arena-resident.
let item = unsafe { core_types::record::GroupItem::from_resident(content.batch()) };
graphic_types::graphic::run_to_render_list::<T>(&item)
graphic_types::graphic::run_to_list::<T>(&item)
.expect("the run holds the row's element type")
.into_graphic_list()
}
@@ -1905,7 +1906,7 @@ pub fn flatten_path<'e>(
// SAFETY: a materialized input's frames are arena-resident.
let item = unsafe { core_types::record::GroupItem::from_resident(content.batch()) };
let flattened = graphic_types::graphic::flatten_vector_rows(graphic_types::graphic::GraphicLevel::Run(&item));
let snapshot = graphic_types::graphic::run_to_render_list::<Graphic>(&item).expect("the run holds the row's element type");
let snapshot = graphic_types::graphic::run_to_list::<Graphic>(&item).expect("the run holds the row's element type");
flatten_path_core(ctx.arena(), flattened, snapshot)
}