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Auto merge of #13275 - canaltinova:rotate, r=Manishearth

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Normalize rotations in computed transforms

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Normalize rotations in computed transforms.

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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #13265  (github issue number if applicable).

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This commit is contained in:
bors-servo 2016-09-15 11:38:32 -05:00 • committed by GitHub
commit 2024487913
4 changed files with 69 additions and 1 deletions
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3
components/style/properties/longhand/effects.mako.rs
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@ -1099,7 +1099,8 @@ ${helpers.predefined_type("opacity",
result.push(computed_value::ComputedOperation::Scale(sx, sy, sz));
}
SpecifiedOperation::Rotate(ax, ay, az, theta) => {
result.push(computed_value::ComputedOperation::Rotate(ax, ay, az, theta));
let len = (ax * ax + ay * ay + az * az).sqrt();
result.push(computed_value::ComputedOperation::Rotate(ax / len, ay / len, az / len, theta));
}
SpecifiedOperation::Skew(theta_x, theta_y) => {
result.push(computed_value::ComputedOperation::Skew(theta_x, theta_y));