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Add more operations to animation

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Manish Goregaokar 2017-10-30 16:24:51 -07:00
parent e15695289d
commit aba00be52d
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3 changed files with 197 additions and 6 deletions
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36
components/style/values/computed/transform.rs
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@ -139,6 +139,42 @@ impl From<Matrix> for Transform3D<CSSFloat> {
}
}
impl TransformOperation {
/// Convert to a Translate3D.
///
/// Must be called on a Translate function
pub fn to_translate_3d(&self) -> Self {
match *self {
GenericTransformOperation::Translate3D(..) => self.clone(),
GenericTransformOperation::TranslateX(ref x) |
GenericTransformOperation::Translate(ref x, None) =>
GenericTransformOperation::Translate3D(x.clone(), LengthOrPercentage::zero(), Length::zero()),
GenericTransformOperation::Translate(ref x, Some(ref y)) =>
GenericTransformOperation::Translate3D(x.clone(), y.clone(), Length::zero()),
GenericTransformOperation::TranslateY(ref y) =>
GenericTransformOperation::Translate3D(LengthOrPercentage::zero(), y.clone(), Length::zero()),
GenericTransformOperation::TranslateZ(ref z) =>
GenericTransformOperation::Translate3D(LengthOrPercentage::zero(),
LengthOrPercentage::zero(), z.clone()),
_ => unreachable!()
}
}
/// Convert to a Scale3D.
///
/// Must be called on a Scale function
pub fn to_scale_3d(&self) -> Self {
match *self {
GenericTransformOperation::Scale3D(..) => self.clone(),
GenericTransformOperation::Scale(s, None) => GenericTransformOperation::Scale3D(s, s, 1.),
GenericTransformOperation::Scale(x, Some(y)) => GenericTransformOperation::Scale3D(x, y, 1.),
GenericTransformOperation::ScaleX(x) => GenericTransformOperation::Scale3D(x, 1., 1.),
GenericTransformOperation::ScaleY(y) => GenericTransformOperation::Scale3D(1., y, 1.),
GenericTransformOperation::ScaleZ(z) => GenericTransformOperation::Scale3D(1., 1., z),
_ => unreachable!()
}
}
}
/// Build an equivalent 'identity transform function list' based
/// on an existing transform list.
/// http://dev.w3.org/csswg/css-transforms/#none-transform-animation