#[repr(C)]pub(crate) struct OffscreenCanvasRenderingContext2D {
context: CanvasRenderingContext2D,
}Fields§
§context: CanvasRenderingContext2DImplementations§
Source§impl OffscreenCanvasRenderingContext2D
impl OffscreenCanvasRenderingContext2D
fn new_inherited( global: &GlobalScope, canvas: HTMLCanvasElementOrOffscreenCanvas, size: Size2D<u32>, ) -> Option<OffscreenCanvasRenderingContext2D>
pub(crate) fn new( global: &GlobalScope, canvas: &OffscreenCanvas, size: Size2D<u32>, can_gc: CanGc, ) -> Option<DomRoot<OffscreenCanvasRenderingContext2D>>
pub(crate) fn send_canvas_2d_msg(&self, msg: Canvas2dMsg)
Trait Implementations§
Source§impl CanvasContext for OffscreenCanvasRenderingContext2D
impl CanvasContext for OffscreenCanvasRenderingContext2D
type ID = <CanvasRenderingContext2D as CanvasContext>::ID
fn context_id(&self) -> Self::ID
fn canvas(&self) -> Option<HTMLCanvasElementOrOffscreenCanvas<DomTypeHolder>>
fn resize(&self)
fn reset_bitmap(&self)
Source§fn get_image_data(&self) -> Option<Snapshot>
fn get_image_data(&self) -> Option<Snapshot>
Returns none if area of canvas is zero. Read more
fn origin_is_clean(&self) -> bool
fn mark_as_dirty(&self)
fn size(&self) -> Size2D<u32>
Source§fn update_rendering(&self, _canvas_epoch: Epoch) -> bool
fn update_rendering(&self, _canvas_epoch: Epoch) -> bool
Request that the
CanvasContext update the rendering of its contents,
returning true if new image was produced. Read morefn onscreen(&self) -> bool
Source§impl DomObjectWrap<DomTypeHolder> for OffscreenCanvasRenderingContext2D
impl DomObjectWrap<DomTypeHolder> for OffscreenCanvasRenderingContext2D
Source§const WRAP: unsafe fn(SafeJSContext, &GlobalScope, Option<HandleObject<'_>>, Box<Self>, CanGc) -> Root<Dom<Self>> = {script_bindings::codegen::GenericBindings::OffscreenCanvasRenderingContext2DBinding::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::canvas::canvas2d::offscreencanvasrenderingcontext2d::OffscreenCanvasRenderingContext2D>, script_bindings::script_runtime::CanGc) -> script_bindings::root::Root<script_bindings::root::Dom<dom::canvas::canvas2d::offscreencanvasrenderingcontext2d::OffscreenCanvasRenderingContext2D>>}
const WRAP: unsafe fn(SafeJSContext, &GlobalScope, Option<HandleObject<'_>>, Box<Self>, CanGc) -> Root<Dom<Self>> = {script_bindings::codegen::GenericBindings::OffscreenCanvasRenderingContext2DBinding::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::canvas::canvas2d::offscreencanvasrenderingcontext2d::OffscreenCanvasRenderingContext2D>, script_bindings::script_runtime::CanGc) -> script_bindings::root::Root<script_bindings::root::Dom<dom::canvas::canvas2d::offscreencanvasrenderingcontext2d::OffscreenCanvasRenderingContext2D>>}
Function pointer to the general wrap function type
Source§impl HasParent for OffscreenCanvasRenderingContext2D
impl HasParent for OffscreenCanvasRenderingContext2D
Source§fn as_parent(&self) -> &CanvasRenderingContext2D
fn as_parent(&self) -> &CanvasRenderingContext2D
This is used in a type assertion to ensure that the source and webidls agree as to what the parent type is
type Parent = CanvasRenderingContext2D
Source§impl MallocSizeOf for OffscreenCanvasRenderingContext2D
impl MallocSizeOf for OffscreenCanvasRenderingContext2D
Source§fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize
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.
Source§impl OffscreenCanvasRenderingContext2DMethods<DomTypeHolder> for OffscreenCanvasRenderingContext2D
impl OffscreenCanvasRenderingContext2DMethods<DomTypeHolder> for OffscreenCanvasRenderingContext2D
Source§fn Canvas(&self) -> DomRoot<OffscreenCanvas>
fn Canvas(&self) -> DomRoot<OffscreenCanvas>
Source§fn ShadowOffsetX(&self) -> f64
fn ShadowOffsetX(&self) -> f64
Source§fn SetShadowOffsetX(&self, value: f64)
fn SetShadowOffsetX(&self, value: f64)
Source§fn ShadowOffsetY(&self) -> f64
fn ShadowOffsetY(&self) -> f64
Source§fn SetShadowOffsetY(&self, value: f64)
fn SetShadowOffsetY(&self, value: f64)
Source§fn SetShadowBlur(&self, value: f64)
fn SetShadowBlur(&self, value: f64)
Source§fn ShadowColor(&self) -> DOMString
fn ShadowColor(&self) -> DOMString
Source§fn SetShadowColor(&self, value: DOMString)
fn SetShadowColor(&self, value: DOMString)
Source§fn SetStrokeStyle(
&self,
value: StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>,
)
fn SetStrokeStyle( &self, value: StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>, )
Source§fn SetFillStyle(
&self,
value: StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>,
)
fn SetFillStyle( &self, value: StringOrCanvasGradientOrCanvasPattern<DomTypeHolder>, )
Source§fn CreateLinearGradient(
&self,
x0: Finite<f64>,
y0: Finite<f64>,
x1: Finite<f64>,
y1: Finite<f64>,
can_gc: CanGc,
) -> DomRoot<CanvasGradient>
fn CreateLinearGradient( &self, x0: Finite<f64>, y0: Finite<f64>, x1: Finite<f64>, y1: Finite<f64>, can_gc: CanGc, ) -> DomRoot<CanvasGradient>
Source§fn CreateRadialGradient(
&self,
x0: Finite<f64>,
y0: Finite<f64>,
r0: Finite<f64>,
x1: Finite<f64>,
y1: Finite<f64>,
r1: Finite<f64>,
can_gc: CanGc,
) -> Fallible<DomRoot<CanvasGradient>>
fn CreateRadialGradient( &self, x0: Finite<f64>, y0: Finite<f64>, r0: Finite<f64>, x1: Finite<f64>, y1: Finite<f64>, r1: Finite<f64>, can_gc: CanGc, ) -> Fallible<DomRoot<CanvasGradient>>
Source§fn CreatePattern(
&self,
image: CanvasImageSource<DomTypeHolder>,
repetition: DOMString,
can_gc: CanGc,
) -> Fallible<Option<DomRoot<CanvasPattern>>>
fn CreatePattern( &self, image: CanvasImageSource<DomTypeHolder>, repetition: DOMString, can_gc: CanGc, ) -> Fallible<Option<DomRoot<CanvasPattern>>>
Source§fn GlobalAlpha(&self) -> f64
fn GlobalAlpha(&self) -> f64
Source§fn SetGlobalAlpha(&self, alpha: f64)
fn SetGlobalAlpha(&self, alpha: f64)
Source§fn GlobalCompositeOperation(&self) -> DOMString
fn GlobalCompositeOperation(&self) -> DOMString
Source§fn SetGlobalCompositeOperation(&self, op_str: DOMString)
fn SetGlobalCompositeOperation(&self, op_str: DOMString)
Source§fn ImageSmoothingEnabled(&self) -> bool
fn ImageSmoothingEnabled(&self) -> bool
Source§fn SetImageSmoothingEnabled(&self, value: bool)
fn SetImageSmoothingEnabled(&self, value: bool)
Source§fn MeasureText(&self, text: DOMString, can_gc: CanGc) -> DomRoot<TextMetrics>
fn MeasureText(&self, text: DOMString, can_gc: CanGc) -> DomRoot<TextMetrics>
Source§fn TextAlign(&self) -> CanvasTextAlign
fn TextAlign(&self) -> CanvasTextAlign
Source§fn SetTextAlign(&self, value: CanvasTextAlign)
fn SetTextAlign(&self, value: CanvasTextAlign)
Source§fn TextBaseline(&self) -> CanvasTextBaseline
fn TextBaseline(&self) -> CanvasTextBaseline
Source§fn SetTextBaseline(&self, value: CanvasTextBaseline)
fn SetTextBaseline(&self, value: CanvasTextBaseline)
Source§fn Direction(&self) -> CanvasDirection
fn Direction(&self) -> CanvasDirection
Source§fn SetDirection(&self, value: CanvasDirection)
fn SetDirection(&self, value: CanvasDirection)
Source§fn SetLineWidth(&self, width: f64)
fn SetLineWidth(&self, width: f64)
Source§fn LineCap(&self) -> CanvasLineCap
fn LineCap(&self) -> CanvasLineCap
Source§fn SetLineCap(&self, cap: CanvasLineCap)
fn SetLineCap(&self, cap: CanvasLineCap)
Source§fn LineJoin(&self) -> CanvasLineJoin
fn LineJoin(&self) -> CanvasLineJoin
Source§fn SetLineJoin(&self, join: CanvasLineJoin)
fn SetLineJoin(&self, join: CanvasLineJoin)
Source§fn SetMiterLimit(&self, limit: f64)
fn SetMiterLimit(&self, limit: f64)
Source§fn SetLineDash(&self, segments: Vec<f64>)
fn SetLineDash(&self, segments: Vec<f64>)
Source§fn GetLineDash(&self) -> Vec<f64>
fn GetLineDash(&self) -> Vec<f64>
Source§fn LineDashOffset(&self) -> f64
fn LineDashOffset(&self) -> f64
Source§fn SetLineDashOffset(&self, offset: f64)
fn SetLineDashOffset(&self, offset: f64)
Source§fn CreateImageData(
&self,
sw: i32,
sh: i32,
can_gc: CanGc,
) -> Fallible<DomRoot<ImageData>>
fn CreateImageData( &self, sw: i32, sh: i32, can_gc: CanGc, ) -> Fallible<DomRoot<ImageData>>
Source§fn CreateImageData_(
&self,
imagedata: &ImageData,
can_gc: CanGc,
) -> Fallible<DomRoot<ImageData>>
fn CreateImageData_( &self, imagedata: &ImageData, can_gc: CanGc, ) -> Fallible<DomRoot<ImageData>>
Source§fn GetImageData(
&self,
sx: i32,
sy: i32,
sw: i32,
sh: i32,
can_gc: CanGc,
) -> Fallible<DomRoot<ImageData>>
fn GetImageData( &self, sx: i32, sy: i32, sw: i32, sh: i32, can_gc: CanGc, ) -> Fallible<DomRoot<ImageData>>
Source§fn DrawImage(
&self,
image: CanvasImageSource<DomTypeHolder>,
dx: f64,
dy: f64,
) -> ErrorResult
fn DrawImage( &self, image: CanvasImageSource<DomTypeHolder>, dx: f64, dy: f64, ) -> ErrorResult
Source§fn DrawImage_(
&self,
image: CanvasImageSource<DomTypeHolder>,
dx: f64,
dy: f64,
dw: f64,
dh: f64,
) -> ErrorResult
fn DrawImage_( &self, image: CanvasImageSource<DomTypeHolder>, dx: f64, dy: f64, dw: f64, dh: f64, ) -> ErrorResult
Source§fn DrawImage__(
&self,
image: CanvasImageSource<DomTypeHolder>,
sx: f64,
sy: f64,
sw: f64,
sh: f64,
dx: f64,
dy: f64,
dw: f64,
dh: f64,
) -> ErrorResult
fn DrawImage__( &self, image: CanvasImageSource<DomTypeHolder>, sx: f64, sy: f64, sw: f64, sh: f64, dx: f64, dy: f64, dw: f64, dh: f64, ) -> ErrorResult
Source§fn Fill(&self, fill_rule: CanvasFillRule)
fn Fill(&self, fill_rule: CanvasFillRule)
Source§fn Fill_(&self, path: &Path2D, fill_rule: CanvasFillRule)
fn Fill_(&self, path: &Path2D, fill_rule: CanvasFillRule)
Source§fn Clip(&self, fill_rule: CanvasFillRule)
fn Clip(&self, fill_rule: CanvasFillRule)
Source§fn Clip_(&self, path: &Path2D, fill_rule: CanvasFillRule)
fn Clip_(&self, path: &Path2D, fill_rule: CanvasFillRule)
Source§fn IsPointInPath(&self, x: f64, y: f64, fill_rule: CanvasFillRule) -> bool
fn IsPointInPath(&self, x: f64, y: f64, fill_rule: CanvasFillRule) -> bool
Source§fn IsPointInPath_(
&self,
path: &Path2D,
x: f64,
y: f64,
fill_rule: CanvasFillRule,
) -> bool
fn IsPointInPath_( &self, path: &Path2D, x: f64, y: f64, fill_rule: CanvasFillRule, ) -> bool
Source§fn SetTransform(
&self,
a: f64,
b: f64,
c: f64,
d: f64,
e: f64,
f: f64,
) -> ErrorResult
fn SetTransform( &self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64, ) -> ErrorResult
Source§fn SetTransform_(&self, transform: &DOMMatrix2DInit) -> ErrorResult
fn SetTransform_(&self, transform: &DOMMatrix2DInit) -> ErrorResult
Source§fn ResetTransform(&self)
fn ResetTransform(&self)
Source§fn Ellipse(
&self,
x: f64,
y: f64,
rx: f64,
ry: f64,
rotation: f64,
start: f64,
end: f64,
ccw: bool,
) -> ErrorResult
fn Ellipse( &self, x: f64, y: f64, rx: f64, ry: f64, rotation: f64, start: f64, end: f64, ccw: bool, ) -> ErrorResult
fn PutImageData_( &self, imagedata: &ImageData, dx: i32, dy: i32, dirty_x: i32, dirty_y: i32, dirty_width: i32, dirty_height: i32, )
impl Eq for OffscreenCanvasRenderingContext2D
Auto Trait Implementations§
impl !Freeze for OffscreenCanvasRenderingContext2D
impl !RefUnwindSafe for OffscreenCanvasRenderingContext2D
impl !Send for OffscreenCanvasRenderingContext2D
impl !Sync for OffscreenCanvasRenderingContext2D
impl Unpin for OffscreenCanvasRenderingContext2D
impl !UnwindSafe for OffscreenCanvasRenderingContext2D
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<D, T> DomGlobalGeneric<D> for T
impl<D, T> DomGlobalGeneric<D> for T
Source§fn global_(&self, realm: InRealm<'_>) -> Root<Dom<<D as DomTypes>::GlobalScope>>where
Self: Sized,
fn global_(&self, realm: InRealm<'_>) -> Root<Dom<<D as DomTypes>::GlobalScope>>where
Self: Sized,
Returns the [
GlobalScope] of the realm that the DomObject was created in. If this
object is a Node, this will be different from it’s owning Document if adopted by. For
Nodes it’s almost always better to use NodeTraits::owning_global.Source§impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool
Compare self to
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impl<Q, K> Equivalent<K> for Q
Source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
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filter_name: &'static str,
) -> RequestFilterDataProvider<T, fn(DataRequest<'_>) -> bool>
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