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Replace old transform code with new generic code

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Manish Goregaokar 2017-10-04 10:12:18 -07:00
parent 5ce2966bda
commit 6631594e28
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GPG key ID: 3BBF4D3E2EF79F98
10 changed files with 210 additions and 1268 deletions
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40
components/style/properties/properties.mako.rs
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@ -2410,30 +2410,30 @@ impl ComputedValuesInner {
/// Whether given this transform value, the compositor would require a
/// layer.
pub fn transform_requires_layer(&self) -> bool {
use values::generics::transform::TransformOperation;
// Check if the transform matrix is 2D or 3D
if let Some(ref transform_list) = self.get_box().transform.0 {
for transform in transform_list {
match *transform {
computed_values::transform::ComputedOperation::Perspective(..) => {
for transform in &self.get_box().transform.0 {
match *transform {
TransformOperation::Perspective(..) => {
return true;
}
TransformOperation::Matrix3D(m) => {
// See http://dev.w3.org/csswg/css-transforms/#2d-matrix
if m.m31 != 0.0 || m.m32 != 0.0 ||
m.m13 != 0.0 || m.m23 != 0.0 ||
m.m43 != 0.0 || m.m14 != 0.0 ||
m.m24 != 0.0 || m.m34 != 0.0 ||
m.m33 != 1.0 || m.m44 != 1.0 {
return true;
}
computed_values::transform::ComputedOperation::Matrix(m) => {
// See http://dev.w3.org/csswg/css-transforms/#2d-matrix
if m.m31 != 0.0 || m.m32 != 0.0 ||
m.m13 != 0.0 || m.m23 != 0.0 ||
m.m43 != 0.0 || m.m14 != 0.0 ||
m.m24 != 0.0 || m.m34 != 0.0 ||
m.m33 != 1.0 || m.m44 != 1.0 {
return true;
}
}
computed_values::transform::ComputedOperation::Translate(_, _, z) => {
if z.px() != 0. {
return true;
}
}
_ => {}
}
TransformOperation::Translate3D(_, _, z) |
TransformOperation::TranslateZ(z) => {
if z.px() != 0. {
return true;
}
}
_ => {}
}
}