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https://github.com/servo/servo.git
synced 2025-08-07 06:25:32 +01:00
Introduce a PaddingBorderMargin helper
This commit is contained in:
Simon Sapin
parent
5f75f7ffdd
commit
0e35d70ca8
4 changed files with 101 additions and 102 deletions
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@ -421,13 +421,11 @@ impl InlineBox {
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ifc: &mut InlineFormattingContextState<'box_tree, '_, '_>,
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) -> PartialInlineBoxFragment<'box_tree> {
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let style = self.style.clone();
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let cbis = ifc.containing_block.inline_size;
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let mut padding = style.padding().percentages_relative_to(cbis);
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let mut border = style.border_width();
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let mut margin = style
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.margin()
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.percentages_relative_to(cbis)
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.auto_is(Length::zero);
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let pbm = style.padding_border_margin(&ifc.containing_block);
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let mut padding = pbm.padding;
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let mut border = pbm.border;
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let mut margin = pbm.margin.auto_is(Length::zero);
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if self.first_fragment {
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ifc.inline_position += padding.inline_start + border.inline_start + margin.inline_start;
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} else {
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@ -530,18 +528,14 @@ fn layout_atomic(
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ifc: &mut InlineFormattingContextState,
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atomic: &IndependentFormattingContext,
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) {
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let cbis = ifc.containing_block.inline_size;
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let padding = atomic.style.padding().percentages_relative_to(cbis);
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let border = atomic.style.border_width();
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let margin = atomic
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.style
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.margin()
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.percentages_relative_to(cbis)
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.auto_is(Length::zero);
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let pbm = &(&padding + &border) + &margin;
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ifc.inline_position += pbm.inline_start;
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let pbm = atomic.style.padding_border_margin(&ifc.containing_block);
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let padding = pbm.padding;
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let border = pbm.border;
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let margin = pbm.margin.auto_is(Length::zero);
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let pbm_sums = &(&padding + &border) + &margin;
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ifc.inline_position += pbm_sums.inline_start;
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let mut start_corner = Vec2 {
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block: pbm.block_start,
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block: pbm_sums.block_start,
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inline: ifc.inline_position - ifc.current_nesting_level.inline_start,
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};
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if atomic.style.clone_position().is_relative() {
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@ -577,9 +571,10 @@ fn layout_atomic(
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.auto_is(Length::zero);
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// https://drafts.csswg.org/css2/visudet.html#inlineblock-width
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let cbis = ifc.containing_block.inline_size;
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let tentative_inline_size =
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box_size.inline.percentage_relative_to(cbis).auto_is(|| {
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let available_size = cbis - pbm.inline_sum();
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let available_size = cbis - pbm_sums.inline_sum();
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atomic.content_sizes.shrink_to_fit(available_size)
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});
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@ -641,10 +636,10 @@ fn layout_atomic(
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},
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};
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ifc.inline_position += pbm.inline_end + fragment.content_rect.size.inline;
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ifc.inline_position += pbm_sums.inline_end + fragment.content_rect.size.inline;
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ifc.current_nesting_level
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.max_block_size_of_fragments_so_far
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.max_assign(pbm.block_sum() + fragment.content_rect.size.block);
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.max_assign(pbm_sums.block_sum() + fragment.content_rect.size.block);
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ifc.current_nesting_level
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.fragments_so_far
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.push(Fragment::Box(fragment));
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@ -14,7 +14,7 @@ use crate::fragments::{CollapsedBlockMargins, CollapsedMargin, Fragment};
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use crate::geom::flow_relative::{Rect, Sides, Vec2};
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use crate::positioned::{AbsolutelyPositionedBox, PositioningContext};
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use crate::replaced::ReplacedContent;
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use crate::style_ext::ComputedValuesExt;
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use crate::style_ext::{ComputedValuesExt, PaddingBorderMargin};
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use crate::ContainingBlock;
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use rayon::iter::{IndexedParallelIterator, IntoParallelRefIterator, ParallelIterator};
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use rayon_croissant::ParallelIteratorExt;
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@ -350,12 +350,7 @@ fn layout_in_flow_non_replaced_block_level(
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tree_rank: usize,
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float_context: Option<&mut FloatContext>,
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) -> BoxFragment {
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let cbis = containing_block.inline_size;
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let padding = style.padding().percentages_relative_to(cbis);
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let border = style.border_width();
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let margin = style.margin().percentages_relative_to(cbis);
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let pb = &padding + &border;
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let pb_inline_sum = pb.inline_sum();
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let pbm = style.padding_border_margin(containing_block);
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let box_size = style.box_size().percentages_relative_to(containing_block);
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let max_box_size = style
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@ -368,22 +363,18 @@ fn layout_in_flow_non_replaced_block_level(
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// https://drafts.csswg.org/css2/visudet.html#min-max-widths
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let solve_inline_margins = |inline_size| {
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solve_inline_margins_for_in_flow_block_level(
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containing_block,
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pb_inline_sum,
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margin.inline_start,
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margin.inline_end,
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inline_size,
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)
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solve_inline_margins_for_in_flow_block_level(containing_block, &pbm, inline_size)
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};
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let (mut inline_size, mut inline_margins) =
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if let Some(inline_size) = box_size.inline.non_auto() {
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(inline_size, solve_inline_margins(inline_size))
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} else {
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let margin_inline_start = margin.inline_start.auto_is(Length::zero);
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let margin_inline_end = margin.inline_end.auto_is(Length::zero);
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let margin_inline_sum = margin_inline_start + margin_inline_end;
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let inline_size = cbis - pb_inline_sum - margin_inline_sum;
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let margin_inline_start = pbm.margin.inline_start.auto_is(Length::zero);
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let margin_inline_end = pbm.margin.inline_end.auto_is(Length::zero);
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let inline_size = containing_block.inline_size -
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pbm.padding_border_sums.inline -
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margin_inline_start -
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margin_inline_end;
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(inline_size, (margin_inline_start, margin_inline_end))
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};
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if let Some(max_inline_size) = max_box_size.inline {
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@ -400,8 +391,8 @@ fn layout_in_flow_non_replaced_block_level(
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let margin = Sides {
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inline_start: inline_margins.0,
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inline_end: inline_margins.1,
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block_start: margin.block_start.auto_is(Length::zero),
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block_end: margin.block_end.auto_is(Length::zero),
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block_start: pbm.margin.block_start.auto_is(Length::zero),
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block_end: pbm.margin.block_end.auto_is(Length::zero),
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};
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// https://drafts.csswg.org/css2/visudet.html#min-max-heights
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@ -427,8 +418,10 @@ fn layout_in_flow_non_replaced_block_level(
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let mut content_block_size;
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match block_level_kind {
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NonReplacedContents::SameFormattingContextBlock(contents) => {
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let this_start_margin_can_collapse_with_children = pb.block_start == Length::zero();
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let this_end_margin_can_collapse_with_children = pb.block_end == Length::zero() &&
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let start_margin_can_collapse_with_children = pbm.padding.block_start == Length::zero() &&
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pbm.border.block_start == Length::zero();
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let end_margin_can_collapse_with_children = pbm.padding.block_end == Length::zero() &&
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pbm.border.block_end == Length::zero() &&
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block_size == LengthOrAuto::Auto &&
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min_box_size.block == Length::zero();
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@ -438,13 +431,13 @@ fn layout_in_flow_non_replaced_block_level(
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&containing_block_for_children,
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tree_rank,
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float_context,
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CollapsibleWithParentStartMargin(this_start_margin_can_collapse_with_children),
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CollapsibleWithParentStartMargin(start_margin_can_collapse_with_children),
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);
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fragments = flow_layout.fragments;
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content_block_size = flow_layout.content_block_size;
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let mut collapsible_margins_in_children = flow_layout.collapsible_margins_in_children;
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if this_start_margin_can_collapse_with_children {
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if start_margin_can_collapse_with_children {
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block_margins_collapsed_with_children
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.start
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.adjoin_assign(&collapsible_margins_in_children.start);
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@ -457,7 +450,7 @@ fn layout_in_flow_non_replaced_block_level(
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));
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}
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}
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if this_end_margin_can_collapse_with_children {
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if end_margin_can_collapse_with_children {
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block_margins_collapsed_with_children
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.end
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.adjoin_assign(&collapsible_margins_in_children.end);
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@ -465,8 +458,8 @@ fn layout_in_flow_non_replaced_block_level(
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content_block_size += collapsible_margins_in_children.end.solve();
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}
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block_margins_collapsed_with_children.collapsed_through =
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this_start_margin_can_collapse_with_children &&
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this_end_margin_can_collapse_with_children &&
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start_margin_can_collapse_with_children &&
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end_margin_can_collapse_with_children &&
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collapsible_margins_in_children.collapsed_through;
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},
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NonReplacedContents::EstablishesAnIndependentFormattingContext(non_replaced) => {
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@ -485,8 +478,8 @@ fn layout_in_flow_non_replaced_block_level(
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});
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let content_rect = Rect {
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start_corner: Vec2 {
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block: pb.block_start,
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inline: pb.inline_start + margin.inline_start,
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block: pbm.padding.block_start + pbm.border.block_start,
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inline: pbm.padding.inline_start + pbm.border.inline_start + margin.inline_start,
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},
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size: Vec2 {
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block: block_size,
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@ -498,8 +491,8 @@ fn layout_in_flow_non_replaced_block_level(
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style.clone(),
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fragments,
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content_rect,
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padding,
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border,
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pbm.padding,
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pbm.border,
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margin,
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block_margins_collapsed_with_children,
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)
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@ -514,32 +507,22 @@ fn layout_in_flow_replaced_block_level<'a>(
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style: &Arc<ComputedValues>,
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replaced: &ReplacedContent,
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) -> BoxFragment {
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let pbm = style.padding_border_margin(containing_block);
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let size = replaced.used_size_as_if_inline_element(containing_block, style);
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let cbis = containing_block.inline_size;
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let padding = style.padding().percentages_relative_to(cbis);
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let border = style.border_width();
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let computed_margin = style.margin().percentages_relative_to(cbis);
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let pb = &padding + &border;
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let (margin_inline_start, margin_inline_end) = solve_inline_margins_for_in_flow_block_level(
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containing_block,
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pb.inline_sum(),
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computed_margin.inline_start,
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computed_margin.inline_end,
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size.inline,
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);
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let (margin_inline_start, margin_inline_end) =
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solve_inline_margins_for_in_flow_block_level(containing_block, &pbm, size.inline);
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let margin = Sides {
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inline_start: margin_inline_start,
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inline_end: margin_inline_end,
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block_start: computed_margin.block_start.auto_is(Length::zero),
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block_end: computed_margin.block_end.auto_is(Length::zero),
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block_start: pbm.margin.block_start.auto_is(Length::zero),
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block_end: pbm.margin.block_end.auto_is(Length::zero),
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};
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let fragments = replaced.make_fragments(style, size.clone());
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let content_rect = Rect {
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start_corner: Vec2 {
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block: pb.block_start,
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inline: pb.inline_start + margin.inline_start,
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block: pbm.padding.block_start + pbm.border.block_start,
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inline: pbm.padding.inline_start + pbm.border.inline_start + margin.inline_start,
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},
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size,
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};
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@ -549,8 +532,8 @@ fn layout_in_flow_replaced_block_level<'a>(
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style.clone(),
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fragments,
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content_rect,
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padding,
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border,
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pbm.padding,
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pbm.border,
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margin,
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block_margins_collapsed_with_children,
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)
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@ -558,15 +541,13 @@ fn layout_in_flow_replaced_block_level<'a>(
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fn solve_inline_margins_for_in_flow_block_level(
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containing_block: &ContainingBlock,
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padding_border_inline_sum: Length,
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computed_margin_inline_start: LengthOrAuto,
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computed_margin_inline_end: LengthOrAuto,
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pbm: &PaddingBorderMargin,
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inline_size: Length,
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) -> (Length, Length) {
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let inline_margins = containing_block.inline_size - padding_border_inline_sum - inline_size;
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match (computed_margin_inline_start, computed_margin_inline_end) {
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(LengthOrAuto::Auto, LengthOrAuto::Auto) => (inline_margins / 2., inline_margins / 2.),
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(LengthOrAuto::Auto, LengthOrAuto::LengthPercentage(end)) => (inline_margins - end, end),
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(LengthOrAuto::LengthPercentage(start), _) => (start, inline_margins - start),
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let available = containing_block.inline_size - pbm.padding_border_sums.inline - inline_size;
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match (pbm.margin.inline_start, pbm.margin.inline_end) {
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(LengthOrAuto::Auto, LengthOrAuto::Auto) => (available / 2., available / 2.),
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(LengthOrAuto::Auto, LengthOrAuto::LengthPercentage(end)) => (available - end, end),
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(LengthOrAuto::LengthPercentage(start), _) => (start, available - start),
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}
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}
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