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Refactor box size computation (#34671)

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in each layout logic, in order to correctly resolve sizing keywords.

This patch adds a new `Sizes` struct which holds the preferred, min and
max sizing values for one axis, and unifies the logic to resolve the
final size into there.

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Oriol Brufau 2024-12-18 16:52:18 -08:00 • committed by GitHub
parent 28e330c9b6
commit e2a0ac07ff
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GPG key ID: B5690EEEBB952194
8 changed files with 311 additions and 343 deletions
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29
components/layout_2020/style_ext.rs
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@ -29,7 +29,7 @@ use crate::dom_traversal::Contents;
use crate::fragment_tree::FragmentFlags;
use crate::geom::{
AuOrAuto, LengthPercentageOrAuto, LogicalSides, LogicalVec2, PhysicalSides, PhysicalSize,
PhysicalVec, Size,
PhysicalVec, Size, Sizes,
};
use crate::{ContainingBlock, IndefiniteContainingBlock};
@ -189,9 +189,7 @@ impl AspectRatio {
#[derive(Clone)]
pub(crate) struct ContentBoxSizesAndPBM {
pub content_box_size: LogicalVec2<Size<Au>>,
pub content_min_box_size: LogicalVec2<Size<Au>>,
pub content_max_box_size: LogicalVec2<Size<Au>>,
pub content_box_sizes: LogicalVec2<Sizes>,
pub pbm: PaddingBorderMargin,
pub depends_on_block_constraints: bool,
}
@ -199,9 +197,11 @@ pub(crate) struct ContentBoxSizesAndPBM {
impl From<ContentBoxSizesAndPBM> for ContentBoxSizesAndPBMDeprecated {
fn from(sizes: ContentBoxSizesAndPBM) -> Self {
Self {
content_box_size: sizes.content_box_size.map(Size::to_auto_or),
content_min_box_size: sizes.content_min_box_size.map(Size::to_auto_or),
content_max_box_size: sizes.content_max_box_size.map(Size::to_numeric),
content_box_size: sizes
.content_box_sizes
.map(|size| size.preferred.to_auto_or()),
content_min_box_size: sizes.content_box_sizes.map(|size| size.min.to_auto_or()),
content_max_box_size: sizes.content_box_sizes.map(|size| size.max.to_numeric()),
pbm: sizes.pbm.clone(),
depends_on_block_constraints: sizes.depends_on_block_constraints,
}
@ -560,9 +560,18 @@ impl ComputedValuesExt for ComputedValues {
.content_max_box_size_for_max_size(max_size, &pbm)
.map(|v| v.map(Au::from));
ContentBoxSizesAndPBM {
content_box_size,
content_min_box_size,
content_max_box_size,
content_box_sizes: LogicalVec2 {
block: Sizes::new(
content_box_size.block,
content_min_box_size.block,
content_max_box_size.block,
),
inline: Sizes::new(
content_box_size.inline,
content_min_box_size.inline,
content_max_box_size.inline,
),
},
pbm,
depends_on_block_constraints,
}