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Implement au::scale_by

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This commit is contained in:
Brian J. Burg 2012-10-15 13:20:22 -07:00
parent c2567fb2f3
commit f7e3886231
1 changed files with 6 additions and 0 deletions
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6
src/servo/gfx/geometry.rs
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@ -39,6 +39,12 @@ pub fn box<A:Copy Num>(x: A, y: A, w: A, h: A) -> Rect<A> {
Rect(Point2D(x, y), Size2D(w, h))
}
impl au {
pub fn scale_by(factor: float) -> au {
au(((*self as float) * factor) as i32)
}
}
pub pure fn zero_rect() -> Rect<au> {
let z = au(0);
Rect(Point2D(z, z), Size2D(z, z))