servo: Merge #6413 - Check invalid values for the shadow attributes (from hyowon:invalid_shadow_attrs); r=Ms2ger

I left out checking invalid values when setting the shadows attributes.
r? @nox @pcwalton
cc @yichoi

Source-Repo: https://github.com/servo/servo
Source-Revision: 02303941bef5f5bbdbec750ab0dfa0b77f32345a
This commit is contained in:
Hyowon Kim 2015-06-20 06:44:08 -06:00
parent 6a46bbff4b
commit afce9d1b30

View File

@ -1124,6 +1124,9 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsetx
fn SetShadowOffsetX(self, value: f64) {
if !value.is_finite() || value == self.state.borrow().shadow_offset_x {
return;
}
self.state.borrow_mut().shadow_offset_x = value;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowOffsetX(value))).unwrap()
}
@ -1135,6 +1138,9 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsety
fn SetShadowOffsetY(self, value: f64) {
if !value.is_finite() || value == self.state.borrow().shadow_offset_y {
return;
}
self.state.borrow_mut().shadow_offset_y = value;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowOffsetY(value))).unwrap()
}
@ -1146,6 +1152,9 @@ impl<'a> CanvasRenderingContext2DMethods for &'a CanvasRenderingContext2D {
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowblur
fn SetShadowBlur(self, value: f64) {
if !value.is_finite() || value < 0f64 || value == self.state.borrow().shadow_blur {
return;
}
self.state.borrow_mut().shadow_blur = value;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowBlur(value))).unwrap()
}
@ -1173,8 +1182,12 @@ impl Drop for CanvasRenderingContext2D {
}
pub fn parse_color(string: &str) -> Result<RGBA,()> {
match CSSColor::parse(&mut Parser::new(&string)) {
Ok(CSSColor::RGBA(rgba)) => Ok(rgba),
let mut parser = Parser::new(&string);
match CSSColor::parse(&mut parser) {
Ok(CSSColor::RGBA(rgba)) => {
if parser.is_exhausted() { Ok(rgba) }
else { Err(()) }
},
_ => Err(()),
}
}