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script: preserve 2D on DOMMatrix invert (#39113)

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More small geometry fixes.

Testing: Covered by WPT
(css/geometry/DOMMatrix-invert-preserves-2d.html)

---------

Signed-off-by: lumiscosity <averyrudelphe@gmail.com>
This commit is contained in:
lumiscosity 2025-09-04 09:08:37 +02:00 • committed by GitHub
parent ff8be71335
commit a44b98c358
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2 changed files with 11 additions and 8 deletions
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16
components/script/dom/dommatrixreadonly.rs
View file

@ -409,12 +409,18 @@ impl DOMMatrixReadOnly {
// Step 2 in DOMMatrix.SkewYSelf
}
// https://drafts.fxtf.org/geometry-1/#dom-dommatrix-invertself
/// <https://drafts.fxtf.org/geometry-1/#dom-dommatrix-invertself>
pub(crate) fn invert_self(&self) {
let mut matrix = self.matrix.borrow_mut();
// Step 1.
*matrix = matrix.inverse().unwrap_or_else(|| {
// Step 2.
// Step 1. Invert the current matrix.
let inverted = match self.is2D() {
true => matrix.to_2d().inverse().map(|m| m.to_3d()),
false => matrix.inverse(),
};
// Step 2. If the current matrix is not invertible set all attributes to NaN
// and set is 2D to false.
*matrix = inverted.unwrap_or_else(|| -> Transform3D<f64> {
self.is2D.set(false);
Transform3D::new(
f64::NAN,
@ -434,7 +440,7 @@ impl DOMMatrixReadOnly {
f64::NAN,
f64::NAN,
)
})
});
// Step 3 in DOMMatrix.InvertSelf
}
}

3
tests/wpt/meta/css/geometry/DOMMatrix-invert-preserves-2d.html.ini vendored
View file

@ -1,3 +0,0 @@
[DOMMatrix-invert-preserves-2d.html]
[scale]
expected: FAIL