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Only apply clip() to positioned elements

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This commit is contained in:
Manish Goregaokar 2020-07-27 23:15:46 -07:00
parent 0bc10b8073
commit b026dae8ac
5 changed files with 17 additions and 20 deletions
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29
components/layout_2020/display_list/stacking_context.rs
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@ -715,19 +715,24 @@ impl BoxFragment {
builder: &mut StackingContextBuilder,
containing_block_info: &ContainingBlockInfo,
) {
let clip = self.style.get_effects().clip;
if let ClipRectOrAuto::Rect(r) = clip {
let border_rect = self
.border_rect()
.to_physical(self.style.writing_mode, &containing_block_info.rect);
let clip_rect = r
.for_border_rect(border_rect)
.translate(containing_block_info.rect.origin.to_vector())
.to_webrender();
let position = self.style.get_box().position;
// https://drafts.csswg.org/css2/#clipping
// The clip property applies only to absolutely positioned elements
if position == ComputedPosition::Absolute || position == ComputedPosition::Fixed {
let clip = self.style.get_effects().clip;
if let ClipRectOrAuto::Rect(r) = clip {
let border_rect = self
.border_rect()
.to_physical(self.style.writing_mode, &containing_block_info.rect);
let clip_rect = r
.for_border_rect(border_rect)
.translate(containing_block_info.rect.origin.to_vector())
.to_webrender();
let parent = builder.current_space_and_clip;
builder.current_space_and_clip.clip_id =
builder.wr.define_clip_rect(&parent, clip_rect);
let parent = builder.current_space_and_clip;
builder.current_space_and_clip.clip_id =
builder.wr.define_clip_rect(&parent, clip_rect);
}
}
}