Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-07-23 07:13:52 +01:00
Code Issues Projects Releases Packages Wiki Activity

Implement gradient fill styles for canvas.

Browse source
This commit is contained in:
Mátyás Mustoha 2015-02-06 13:55:32 +01:00
parent 34950418ea
commit d3199aef74
55 changed files with 290 additions and 228 deletions
Download patch file Download diff file Expand all files Collapse all files

24
components/script/dom/canvasrenderingcontext2d.rs
View file

@ -7,11 +7,12 @@ use dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::CanvasRen
use dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::CanvasWindingRule;
use dom::bindings::codegen::Bindings::ImageDataBinding::ImageDataMethods;
use dom::bindings::codegen::UnionTypes::StringOrCanvasGradientOrCanvasPattern;
use dom::bindings::error::Error::IndexSize;
use dom::bindings::error::Error::{IndexSize, TypeError};
use dom::bindings::error::Fallible;
use dom::bindings::global::{GlobalRef, GlobalField};
use dom::bindings::js::{JS, JSRef, LayoutJS, Temporary};
use dom::bindings::utils::{Reflector, reflect_dom_object};
use dom::canvasgradient::{CanvasGradient, CanvasGradientStyle, ToFillOrStrokeStyle};
use dom::htmlcanvaselement::{HTMLCanvasElement, HTMLCanvasElementHelpers};
use dom::imagedata::{ImageData, ImageDataHelpers};
@ -23,7 +24,9 @@ use geom::rect::Rect;
use geom::size::Size2D;
use canvas::canvas_paint_task::{CanvasMsg, CanvasPaintTask, FillOrStrokeStyle};
use canvas::canvas_paint_task::{LinearGradientStyle, RadialGradientStyle};
use std::borrow::ToOwned;
use std::cell::Cell;
use std::num::{Float, ToPrimitive};
use std::sync::mpsc::{channel, Sender};
@ -215,6 +218,9 @@ impl<'a> CanvasRenderingContext2DMethods for JSRef<'a, CanvasRenderingContext2D>
_ => {}
}
}
StringOrCanvasGradientOrCanvasPattern::eCanvasGradient(gradient) => {
self.renderer.send(CanvasMsg::SetFillStyle(gradient.root().r().to_fill_or_stroke_style())).unwrap();
}
_ => {}
}
}
@ -264,6 +270,22 @@ impl<'a> CanvasRenderingContext2DMethods for JSRef<'a, CanvasRenderingContext2D>
let canvas_size = self.canvas.root().r().get_size();
self.renderer.send(CanvasMsg::PutImageData(data, image_data_rect, dirty_rect, canvas_size)).unwrap()
}
fn CreateLinearGradient(self, x0: f64, y0: f64, x1: f64, y1: f64) -> Fallible<Temporary<CanvasGradient>> {
if [x0, y0, x1, y1].iter().any(|x| x.is_nan() || x.is_infinite()) {
return Err(TypeError("One of the arguments of createLinearGradient() is not a finite floating-point value.".to_owned()));
}
Ok(CanvasGradient::new(self.global.root().r(),
CanvasGradientStyle::Linear(LinearGradientStyle::new(x0, y0, x1, y1, Vec::new()))))
}
fn CreateRadialGradient(self, x0: f64, y0: f64, r0: f64, x1: f64, y1: f64, r1: f64) -> Fallible<Temporary<CanvasGradient>> {
if [x0, y0, r0, x1, y1, r1].iter().any(|x| x.is_nan() || x.is_infinite()) {
return Err(TypeError("One of the arguments of createRadialGradient() is not a finite floating-point value.".to_owned()));
}
Ok(CanvasGradient::new(self.global.root().r(),
CanvasGradientStyle::Radial(RadialGradientStyle::new(x0, y0, r0, x1, y1, r1, Vec::new()))))
}
}
#[unsafe_destructor]