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Parse currentColor as Canvas2D color

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This commit is contained in:
David Zbarsky 2015-08-09 19:43:09 -04:00
parent ea690a2dff
commit 8408891ec5
7 changed files with 73 additions and 21 deletions
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16
components/script/dom/canvasgradient.rs
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@ -3,6 +3,8 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use canvas_traits::{CanvasGradientStop, FillOrStrokeStyle, LinearGradientStyle, RadialGradientStyle};
use cssparser::Color as CSSColor;
use cssparser::{Parser, RGBA};
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::CanvasGradientBinding;
use dom::bindings::codegen::Bindings::CanvasGradientBinding::CanvasGradientMethods;
@ -11,7 +13,6 @@ use dom::bindings::global::GlobalRef;
use dom::bindings::js::Root;
use dom::bindings::num::Finite;
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::canvasrenderingcontext2d::parse_color;
use util::str::DOMString;
// https://html.spec.whatwg.org/multipage/#canvasgradient
@ -51,9 +52,16 @@ impl CanvasGradientMethods for CanvasGradient {
return Err(Error::IndexSize);
}
let color = match parse_color(&color) {
Ok(color) => color,
_ => return Err(Error::Syntax),
let mut parser = Parser::new(&color);
let color = CSSColor::parse(&mut parser);
let color = if parser.is_exhausted() {
match color {
Ok(CSSColor::RGBA(rgba)) => rgba,
Ok(CSSColor::CurrentColor) => RGBA { red: 0.0, green: 0.0, blue: 0.0, alpha: 1.0 },
_ => return Err(Error::Syntax)
}
} else {
return Err(Error::Syntax)
};
self.stops.borrow_mut().push(CanvasGradientStop {