#[repr(C)]
pub struct CanvasRenderingContext2D { reflector_: Reflector, canvas: Option<Dom<HTMLCanvasElement>>, canvas_state: CanvasState, }

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§reflector_: Reflector§canvas: Option<Dom<HTMLCanvasElement>>

For rendering contexts created by an HTML canvas element, this is Some, for ones created by a paint worklet, this is None.

§canvas_state: CanvasState

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Trait Implementations§

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impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D

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fn Reset(&self)

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fn Canvas(&self) -> Root<Dom<HTMLCanvasElement>>

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fn Save(&self)

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fn Restore(&self)

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fn Scale(&self, x: f64, y: f64)

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fn Rotate(&self, angle: f64)

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fn Translate(&self, x: f64, y: f64)

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fn Transform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64)

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fn GetTransform(&self) -> Root<Dom<DOMMatrix>>

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fn SetTransform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64)

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fn ResetTransform(&self)

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fn GlobalAlpha(&self) -> f64

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fn SetGlobalAlpha(&self, alpha: f64)

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fn GlobalCompositeOperation(&self) -> DOMString

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fn SetGlobalCompositeOperation(&self, op_str: DOMString)

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fn FillRect(&self, x: f64, y: f64, width: f64, height: f64)

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fn ClearRect(&self, x: f64, y: f64, width: f64, height: f64)

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fn StrokeRect(&self, x: f64, y: f64, width: f64, height: f64)

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fn BeginPath(&self)

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fn ClosePath(&self)

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fn Fill(&self, fill_rule: CanvasFillRule)

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fn Stroke(&self)

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fn Clip(&self, fill_rule: CanvasFillRule)

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fn IsPointInPath(&self, x: f64, y: f64, fill_rule: CanvasFillRule) -> bool

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fn FillText(&self, text: DOMString, x: f64, y: f64, max_width: Option<f64>)

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fn MeasureText(&self, text: DOMString) -> Root<Dom<TextMetrics>>

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fn Font(&self) -> DOMString

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fn SetFont(&self, value: DOMString)

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fn TextAlign(&self) -> CanvasTextAlign

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fn SetTextAlign(&self, value: CanvasTextAlign)

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fn TextBaseline(&self) -> CanvasTextBaseline

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fn SetTextBaseline(&self, value: CanvasTextBaseline)

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fn Direction(&self) -> CanvasDirection

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fn SetDirection(&self, value: CanvasDirection)

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fn DrawImage( &self, image: CanvasImageSource, dx: f64, dy: f64 ) -> Result<(), Error>

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fn DrawImage_( &self, image: CanvasImageSource, dx: f64, dy: f64, dw: f64, dh: f64 ) -> Result<(), Error>

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fn DrawImage__( &self, image: CanvasImageSource, sx: f64, sy: f64, sw: f64, sh: f64, dx: f64, dy: f64, dw: f64, dh: f64 ) -> Result<(), Error>

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fn MoveTo(&self, x: f64, y: f64)

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fn LineTo(&self, x: f64, y: f64)

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fn Rect(&self, x: f64, y: f64, width: f64, height: f64)

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fn QuadraticCurveTo(&self, cpx: f64, cpy: f64, x: f64, y: f64)

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fn BezierCurveTo( &self, cp1x: f64, cp1y: f64, cp2x: f64, cp2y: f64, x: f64, y: f64 )

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fn Arc( &self, x: f64, y: f64, r: f64, start: f64, end: f64, ccw: bool ) -> Result<(), Error>

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fn ArcTo( &self, cp1x: f64, cp1y: f64, cp2x: f64, cp2y: f64, r: f64 ) -> Result<(), Error>

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fn Ellipse( &self, x: f64, y: f64, rx: f64, ry: f64, rotation: f64, start: f64, end: f64, ccw: bool ) -> Result<(), Error>

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fn ImageSmoothingEnabled(&self) -> bool

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fn SetImageSmoothingEnabled(&self, value: bool)

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fn StrokeStyle(&self) -> StringOrCanvasGradientOrCanvasPattern

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fn SetStrokeStyle(&self, value: StringOrCanvasGradientOrCanvasPattern)

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fn FillStyle(&self) -> StringOrCanvasGradientOrCanvasPattern

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fn SetFillStyle(&self, value: StringOrCanvasGradientOrCanvasPattern)

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fn CreateImageData( &self, sw: i32, sh: i32 ) -> Result<Root<Dom<ImageData>>, Error>

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fn CreateImageData_( &self, imagedata: &ImageData ) -> Result<Root<Dom<ImageData>>, Error>

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fn GetImageData( &self, sx: i32, sy: i32, sw: i32, sh: i32 ) -> Result<Root<Dom<ImageData>>, Error>

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fn PutImageData(&self, imagedata: &ImageData, dx: i32, dy: i32)

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fn PutImageData_( &self, imagedata: &ImageData, dx: i32, dy: i32, dirty_x: i32, dirty_y: i32, dirty_width: i32, dirty_height: i32 )

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fn CreateLinearGradient( &self, x0: Finite<f64>, y0: Finite<f64>, x1: Finite<f64>, y1: Finite<f64> ) -> Root<Dom<CanvasGradient>>

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fn CreateRadialGradient( &self, x0: Finite<f64>, y0: Finite<f64>, r0: Finite<f64>, x1: Finite<f64>, y1: Finite<f64>, r1: Finite<f64> ) -> Result<Root<Dom<CanvasGradient>>, Error>

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fn CreatePattern( &self, image: CanvasImageSource, repetition: DOMString ) -> Result<Option<Root<Dom<CanvasPattern>>>, Error>

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fn LineWidth(&self) -> f64

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fn SetLineWidth(&self, width: f64)

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fn LineCap(&self) -> CanvasLineCap

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fn SetLineCap(&self, cap: CanvasLineCap)

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fn LineJoin(&self) -> CanvasLineJoin

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fn SetLineJoin(&self, join: CanvasLineJoin)

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fn MiterLimit(&self) -> f64

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fn SetMiterLimit(&self, limit: f64)

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fn ShadowOffsetX(&self) -> f64

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fn SetShadowOffsetX(&self, value: f64)

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fn ShadowOffsetY(&self) -> f64

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fn SetShadowOffsetY(&self, value: f64)

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fn ShadowBlur(&self) -> f64

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fn SetShadowBlur(&self, value: f64)

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fn ShadowColor(&self) -> DOMString

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fn SetShadowColor(&self, value: DOMString)

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impl DomObject for CanvasRenderingContext2D

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fn reflector(&self) -> &Reflector

Returns the receiver’s reflector.
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fn global(&self) -> Root<Dom<GlobalScope>>where Self: Sized,

Returns the global scope of the realm that the DomObject was created in.
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impl DomObjectWrap for CanvasRenderingContext2D

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const WRAP: unsafe fn(_: SafeJSContext, _: &GlobalScope, _: Option<HandleObject<'_>>, _: Box<Self>) -> Root<Dom<Self>> = {dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::CanvasRenderingContext2D_Binding::Wrap as for<'a, 'b> unsafe fn(script_runtime::JSContext, &'a dom::globalscope::GlobalScope, std::option::Option<js::rust::Handle<'b, *mut js::jsapi::JSObject>>, std::boxed::Box<dom::canvasrenderingcontext2d::CanvasRenderingContext2D>) -> dom::bindings::root::Root<dom::bindings::root::Dom<dom::canvasrenderingcontext2d::CanvasRenderingContext2D>>}

Function pointer to the general wrap function type
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impl Drop for CanvasRenderingContext2D

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl HasParent for CanvasRenderingContext2D

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fn as_parent(&self) -> &Reflector

This is used in a type assertion to ensure that the source and webidls agree as to what the parent type is

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type Parent = Reflector

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impl IDLInterface for CanvasRenderingContext2D

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fn derives(class: &'static DOMClass) -> bool

Returns whether the given DOM class derives that interface.
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impl MallocSizeOf for CanvasRenderingContext2D

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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.
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impl MutDomObject for CanvasRenderingContext2D

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unsafe fn init_reflector(&self, obj: *mut JSObject)

Initializes the Reflector
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impl PartialEq<CanvasRenderingContext2D> for CanvasRenderingContext2D

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fn eq(&self, other: &CanvasRenderingContext2D) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl ToJSValConvertible for CanvasRenderingContext2D

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unsafe fn to_jsval(&self, cx: *mut JSContext, rval: MutableHandleValue<'_>)

Convert self to a JSVal. JSAPI failure causes a panic.
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impl Traceable for CanvasRenderingContext2D

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unsafe fn trace(&self, tracer: *mut JSTracer)

Trace self.

Auto Trait Implementations§

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

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Convert
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Convert
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impl<T> Pointable for T

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const ALIGN: usize = _

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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Dereferences the given pointer. Read more
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impl<T> Same<T> for T

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type Output = T

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