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Fix various issues with replaced elements in flex layout (#33263)

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In particular, this takes into account that flex items may be stretched,
and if they have an aspect ratio, we ma6y need to convert the stretched
size through the ratio.

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Oriol Brufau 2024-08-31 01:39:18 +02:00 • committed by GitHub
parent 4ae2610c24
commit 3acc9edd82
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43 changed files with 334 additions and 481 deletions
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52
components/layout_2020/replaced.rs
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@ -360,32 +360,50 @@ impl ReplacedContent {
///
/// Also used in other cases, for example
/// <https://drafts.csswg.org/css2/visudet.html#block-replaced-width>
pub fn used_size_as_if_inline_element(
pub(crate) fn used_size_as_if_inline_element(
&self,
containing_block: &ContainingBlock,
style: &ComputedValues,
box_size: Option<LogicalVec2<AuOrAuto>>,
pbm: &PaddingBorderMargin,
) -> LogicalVec2<Au> {
let mode = style.effective_writing_mode();
let intrinsic_size = self.flow_relative_intrinsic_size(style);
let intrinsic_ratio = self.preferred_aspect_ratio(&containing_block.into(), style);
let box_size = box_size.unwrap_or(
style
.content_box_size(containing_block, pbm)
// We need to clamp to zero here to obtain the proper aspect
// ratio when box-sizing is border-box and the inner box size
// would otherwise be negative.
.map(|v| v.map(|v| Au::from(v).max(Au::zero()))),
);
let max_box_size = style
.content_max_box_size(containing_block, pbm)
.map(|v| v.map(Au::from));
let box_size = style
.content_box_size(containing_block, pbm)
// We need to clamp to zero here to obtain the proper aspect
// ratio when box-sizing is border-box and the inner box size
// would otherwise be negative.
.map(|v| v.map(|v| Au::from(v).max(Au::zero())));
let min_box_size = style
.content_min_box_size(containing_block, pbm)
.map(|v| v.map(Au::from))
.auto_is(Au::zero);
let max_box_size = style
.content_max_box_size(containing_block, pbm)
.map(|v| v.map(Au::from));
self.used_size_as_if_inline_element_from_content_box_sizes(
containing_block,
style,
box_size,
min_box_size,
max_box_size,
)
}
/// <https://drafts.csswg.org/css2/visudet.html#inline-replaced-width>
/// <https://drafts.csswg.org/css2/visudet.html#inline-replaced-height>
///
/// Also used in other cases, for example
/// <https://drafts.csswg.org/css2/visudet.html#block-replaced-width>
pub(crate) fn used_size_as_if_inline_element_from_content_box_sizes(
&self,
containing_block: &ContainingBlock,
style: &ComputedValues,
box_size: LogicalVec2<AuOrAuto>,
min_box_size: LogicalVec2<Au>,
max_box_size: LogicalVec2<Option<Au>>,
) -> LogicalVec2<Au> {
let mode = style.effective_writing_mode();
let intrinsic_size = self.flow_relative_intrinsic_size(style);
let intrinsic_ratio = self.preferred_aspect_ratio(&containing_block.into(), style);
let default_object_size = || {
// FIXME: