Struct PaintRenderingContext2D

#[repr(C)]
pub(crate) struct PaintRenderingContext2D {
    reflector_: Reflector,
    canvas_state: CanvasState,
    device_pixel_ratio: Cell<Scale<f32, CSSPixel, DevicePixel>>,
}

Fields

reflector_: Reflector

canvas_state: CanvasState

device_pixel_ratio: Cell<Scale<f32, CSSPixel, DevicePixel>>

Implementations

impl PaintRenderingContext2D

fn __assert_parent_type(&self)

impl PaintRenderingContext2D

fn new_inherited(global: &PaintWorkletGlobalScope) -> PaintRenderingContext2D

pub(crate) fn new( global: &PaintWorkletGlobalScope, can_gc: CanGc, ) -> DomRoot<PaintRenderingContext2D>

pub(crate) fn get_canvas_id(&self) -> CanvasId

pub(crate) fn image_key(&self) -> ImageKey

Send update to canvas paint thread and returns ImageKey

pub(crate) fn take_missing_image_urls(&self) -> Vec<ServoUrl>

pub(crate) fn set_bitmap_dimensions( &self, size: Size2D<f32, CSSPixel>, device_pixel_ratio: Scale<f32, CSSPixel, DevicePixel>, )

fn scale_by_device_pixel_ratio(&self)

Trait Implementations

impl DomObject for PaintRenderingContext2D

fn reflector(&self) -> &Reflector

Returns the receiver’s reflector.

impl DomObjectWrap<DomTypeHolder> for PaintRenderingContext2D

const WRAP: unsafe fn(_: SafeJSContext, _: &GlobalScope, _: Option<HandleObject<'_>>, _: Box<Self>, _: CanGc) -> Root<Dom<Self>> = {dom::bindings::codegen::GenericBindings::PaintRenderingContext2DBinding::PaintRenderingContext2D_Binding::Wrap::<dom::bindings::codegen::DomTypeHolder::DomTypeHolder> as for<'a, 'b> unsafe fn(script_bindings::script_runtime::JSContext, &'a dom::globalscope::GlobalScope, std::option::Option<js::rust::Handle<'b, *mut js::jsapi::JSObject>>, std::boxed::Box<dom::paintrenderingcontext2d::PaintRenderingContext2D>, script_bindings::script_runtime::CanGc) -> script_bindings::root::Root<script_bindings::root::Dom<dom::paintrenderingcontext2d::PaintRenderingContext2D>>}

Function pointer to the general wrap function type

impl HasParent for PaintRenderingContext2D

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

type Parent = Reflector

impl IDLInterface for PaintRenderingContext2D

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

Returns whether the given DOM class derives that interface.

impl MallocSizeOf for PaintRenderingContext2D

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.

impl MutDomObject for PaintRenderingContext2D

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

Initializes the Reflector

impl PaintRenderingContext2DMethods<DomTypeHolder> for PaintRenderingContext2D

fn Reset(&self)

https://html.spec.whatwg.org/multipage/#dom-context-2d-reset

fn Save(&self)

fn Restore(&self)

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

fn Rotate(&self, angle: f64)

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

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

fn GetTransform(&self, can_gc: CanGc) -> DomRoot<DOMMatrix>

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

fn ResetTransform(&self)

fn GlobalAlpha(&self) -> f64

fn SetGlobalAlpha(&self, alpha: f64)

fn GlobalCompositeOperation(&self) -> DOMString

fn SetGlobalCompositeOperation(&self, op_str: DOMString)

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

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

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

fn BeginPath(&self)

fn ClosePath(&self)

fn Fill(&self, fill_rule: CanvasFillRule)

fn Stroke(&self)

fn Clip(&self, fill_rule: CanvasFillRule)

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

fn DrawImage( &self, image: HTMLImageElementOrHTMLCanvasElementOrOffscreenCanvasOrCSSStyleValue<DomTypeHolder>, dx: f64, dy: f64, ) -> ErrorResult

fn DrawImage_( &self, image: HTMLImageElementOrHTMLCanvasElementOrOffscreenCanvasOrCSSStyleValue<DomTypeHolder>, dx: f64, dy: f64, dw: f64, dh: f64, ) -> ErrorResult

fn DrawImage__( &self, image: HTMLImageElementOrHTMLCanvasElementOrOffscreenCanvasOrCSSStyleValue<DomTypeHolder>, sx: f64, sy: f64, sw: f64, sh: f64, dx: f64, dy: f64, dw: f64, dh: f64, ) -> ErrorResult

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

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

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

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

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

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

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

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

fn ImageSmoothingEnabled(&self) -> bool

fn SetImageSmoothingEnabled(&self, value: bool)

fn StrokeStyle(&self) -> StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>

fn SetStrokeStyle( &self, value: StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>, can_gc: CanGc, )

fn FillStyle(&self) -> StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>

fn SetFillStyle( &self, value: StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>, can_gc: CanGc, )

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

fn CreateRadialGradient( &self, x0: Finite<f64>, y0: Finite<f64>, r0: Finite<f64>, x1: Finite<f64>, y1: Finite<f64>, r1: Finite<f64>, ) -> Fallible<DomRoot<CanvasGradient>>

fn CreatePattern( &self, image: HTMLImageElementOrHTMLCanvasElementOrOffscreenCanvasOrCSSStyleValue<DomTypeHolder>, repetition: DOMString, ) -> Fallible<Option<DomRoot<CanvasPattern>>>

fn LineWidth(&self) -> f64

fn SetLineWidth(&self, width: f64)

fn LineCap(&self) -> CanvasLineCap

fn SetLineCap(&self, cap: CanvasLineCap)

fn LineJoin(&self) -> CanvasLineJoin

fn SetLineJoin(&self, join: CanvasLineJoin)

fn MiterLimit(&self) -> f64

fn SetMiterLimit(&self, limit: f64)

fn ShadowOffsetX(&self) -> f64

fn SetShadowOffsetX(&self, value: f64)

fn ShadowOffsetY(&self) -> f64

fn SetShadowOffsetY(&self, value: f64)

fn ShadowBlur(&self) -> f64

fn SetShadowBlur(&self, value: f64)

fn ShadowColor(&self) -> DOMString

fn SetShadowColor(&self, value: DOMString, can_gc: CanGc)

impl PartialEq for PaintRenderingContext2D

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

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl ToJSValConvertible for PaintRenderingContext2D

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

Convert self to a JSVal. JSAPI failure causes a panic.

impl Traceable for PaintRenderingContext2D

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

Trace self.

impl Eq for PaintRenderingContext2D