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Add background-origin

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This commit is contained in:
Simon Sapin 2020-01-13 14:29:25 +01:00
parent 3874946ac6
commit 649d3cb6b4
2 changed files with 7 additions and 3 deletions
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8
components/layout_2020/display_list.rs
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@ -309,6 +309,7 @@ impl<'a> BuilderForBoxFragment<'a> {
// * Its top-left is the top-left of the top-left-most tile that intersects with `clip_rect`
use style::computed_values::background_clip::single_value::T as Clip;
use style::computed_values::background_origin::single_value::T as Origin;
fn get_cyclic<T>(values: &[T], index: usize) -> &T {
&values[index % values.len()]
@ -321,8 +322,11 @@ impl<'a> BuilderForBoxFragment<'a> {
Clip::PaddingBox => self.padding_rect(),
Clip::BorderBox => &self.border_rect,
};
// FIXME: background-origin
let positioning_area = self.padding_rect();
let positioning_area = match get_cyclic(&b.background_origin.0, index) {
Origin::ContentBox => self.content_rect(),
Origin::PaddingBox => self.padding_rect(),
Origin::BorderBox => &self.border_rect,
};
// FIXME: https://drafts.csswg.org/css-images-4/#the-image-resolution
let dppx = 1.0;