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Implement translate property styling

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CJ Ku 2018-01-25 12:47:27 +09:00 • committed by Brian Birtles
parent 62c0c6feee
commit de3e8c9a8b
10 changed files with 83 additions and 19 deletions
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26
components/style/values/computed/transform.rs
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@ -15,6 +15,7 @@ use values::generics::transform::{Transform as GenericTransform, TransformOperat
use values::generics::transform::Rotate as GenericRotate;
use values::generics::transform::TimingFunction as GenericTimingFunction;
use values::generics::transform::TransformOrigin as GenericTransformOrigin;
use values::generics::transform::Translate as GenericTranslate;
/// A single operation in a computed CSS `transform`
pub type TransformOperation = GenericTransformOperation<
@ -318,3 +319,28 @@ impl Rotate {
}
}
}
/// A computed CSS `translate`
pub type Translate = GenericTranslate<LengthOrPercentage, Length>;
impl Translate {
/// Convert TransformOperation to Translate.
pub fn to_transform_operation(&self) -> Option<TransformOperation> {
match *self {
GenericTranslate::None => None,
GenericTranslate::TranslateX(tx) => Some(GenericTransformOperation::TranslateX(tx)),
GenericTranslate::Translate(tx, ty) => Some(GenericTransformOperation::Translate(tx, Some(ty))),
GenericTranslate::Translate3D(tx, ty, tz) => Some(GenericTransformOperation::Translate3D(tx, ty, tz)),
}
}
/// Convert Translate to TransformOperation.
pub fn from_transform_operation(operation: &TransformOperation) -> Translate {
match *operation {
GenericTransformOperation::TranslateX(tx) => GenericTranslate::TranslateX(tx),
GenericTransformOperation::Translate(tx, Some(ty)) => GenericTranslate::Translate(tx, ty),
GenericTransformOperation::Translate3D(tx, ty, tz) => GenericTranslate::Translate3D(tx, ty, tz),
_ => unreachable!("Found unexpected value for translate"),
}
}
}