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Add attributes for canvas shadows.

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This commit is contained in:
Hyowon Kim 2015-06-04 17:12:41 +09:00
parent 37fcced0fa
commit 473afdb196
15 changed files with 106 additions and 70 deletions
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64
components/script/dom/canvasrenderingcontext2d.rs
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@ -27,6 +27,7 @@ use geom::matrix2d::Matrix2D;
use geom::point::Point2D;
use geom::rect::Rect;
use geom::size::Size2D;
use gfx_traits::color;
use canvas_traits::{CanvasMsg, Canvas2dMsg, CanvasCommonMsg};
use canvas_traits::{FillOrStrokeStyle, LinearGradientStyle, RadialGradientStyle};
@ -80,6 +81,10 @@ struct CanvasContextState {
line_join: LineJoinStyle,
miter_limit: f64,
transform: Matrix2D<f32>,
shadow_offset_x: f64,
shadow_offset_y: f64,
shadow_blur: f64,
shadow_color: RGBA,
}
impl CanvasContextState {
@ -101,6 +106,10 @@ impl CanvasContextState {
line_join: LineJoinStyle::Miter,
miter_limit: 10.0,
transform: Matrix2D::identity(),
shadow_offset_x: 0.0,
shadow_offset_y: 0.0,
shadow_blur: 0.0,
shadow_color: RGBA { red: 0.0, green: 0.0, blue: 0.0, alpha: 0.0 }, // transparent black
}
}
}
@ -1056,6 +1065,61 @@ impl<'a> CanvasRenderingContext2DMethods for JSRef<'a, CanvasRenderingContext2D>
self.state.borrow_mut().miter_limit = limit;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetMiterLimit(limit as f32))).unwrap()
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsetx
fn ShadowOffsetX(self) -> f64 {
self.state.borrow().shadow_offset_x
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsetx
fn SetShadowOffsetX(self, value: f64) {
self.state.borrow_mut().shadow_offset_x = value;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowOffsetX(value))).unwrap()
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsety
fn ShadowOffsetY(self) -> f64 {
self.state.borrow().shadow_offset_y
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsety
fn SetShadowOffsetY(self, value: f64) {
self.state.borrow_mut().shadow_offset_y = value;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowOffsetY(value))).unwrap()
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowblur
fn ShadowBlur(self) -> f64 {
self.state.borrow().shadow_blur
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowblur
fn SetShadowBlur(self, value: f64) {
self.state.borrow_mut().shadow_blur = value;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowBlur(value))).unwrap()
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowcolor
fn ShadowColor(self) -> DOMString {
let mut result = String::new();
serialize(&self.state.borrow().shadow_color, &mut result).unwrap();
result
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowcolor
fn SetShadowColor(self, value: DOMString) {
match parse_color(&value) {
Ok(rgba) => {
self.state.borrow_mut().shadow_color = rgba;
self.renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowColor(
color::rgba(rgba.red,
rgba.green,
rgba.blue,
rgba.alpha)))).unwrap()
},
_ => {}
}
}
}
impl Drop for CanvasRenderingContext2D {