Struct script::dom::offscreencanvas::OffscreenCanvas
source · #[repr(C)]pub struct OffscreenCanvas {
eventtarget: EventTarget,
width: Cell<u64>,
height: Cell<u64>,
context: DomRefCell<Option<OffscreenCanvasContext>>,
placeholder: Option<Dom<HTMLCanvasElement>>,
}
Fields§
§eventtarget: EventTarget
§width: Cell<u64>
§height: Cell<u64>
§context: DomRefCell<Option<OffscreenCanvasContext>>
§placeholder: Option<Dom<HTMLCanvasElement>>
Implementations§
source§impl OffscreenCanvas
impl OffscreenCanvas
fn __assert_parent_type(&self)
source§impl OffscreenCanvas
impl OffscreenCanvas
pub fn new_inherited(
width: u64,
height: u64,
placeholder: Option<&HTMLCanvasElement>
) -> OffscreenCanvas
fn new(
global: &GlobalScope,
proto: Option<HandleObject<'_>>,
width: u64,
height: u64,
placeholder: Option<&HTMLCanvasElement>
) -> Root<Dom<OffscreenCanvas>>
pub fn Constructor(
global: &GlobalScope,
proto: Option<HandleObject<'_>>,
width: u64,
height: u64
) -> Result<Root<Dom<OffscreenCanvas>>, Error>
pub fn get_size(&self) -> Size2D<u64>
pub fn origin_is_clean(&self) -> bool
pub fn context(&self) -> Option<Ref<'_, OffscreenCanvasContext>>
pub fn fetch_all_data(&self) -> Option<(Option<IpcSharedMemory>, Size2D<u32>)>
fn get_or_init_2d_context(
&self
) -> Option<Root<Dom<OffscreenCanvasRenderingContext2D>>>
pub fn is_valid(&self) -> bool
Trait Implementations§
source§impl Castable for OffscreenCanvas
impl Castable for OffscreenCanvas
source§impl DomObject for OffscreenCanvas
impl DomObject for OffscreenCanvas
source§impl DomObjectWrap for OffscreenCanvas
impl DomObjectWrap for OffscreenCanvas
source§const WRAP: unsafe fn(_: SafeJSContext, _: &GlobalScope, _: Option<HandleObject<'_>>, _: Box<Self>) -> Root<Dom<Self>> = {dom::bindings::codegen::Bindings::OffscreenCanvasBinding::OffscreenCanvasBinding::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::offscreencanvas::OffscreenCanvas>) -> dom::bindings::root::Root<dom::bindings::root::Dom<dom::offscreencanvas::OffscreenCanvas>>}
const WRAP: unsafe fn(_: SafeJSContext, _: &GlobalScope, _: Option<HandleObject<'_>>, _: Box<Self>) -> Root<Dom<Self>> = {dom::bindings::codegen::Bindings::OffscreenCanvasBinding::OffscreenCanvasBinding::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::offscreencanvas::OffscreenCanvas>) -> dom::bindings::root::Root<dom::bindings::root::Dom<dom::offscreencanvas::OffscreenCanvas>>}
Function pointer to the general wrap function type
source§impl HasParent for OffscreenCanvas
impl HasParent for OffscreenCanvas
source§fn as_parent(&self) -> &EventTarget
fn as_parent(&self) -> &EventTarget
This is used in a type assertion to ensure that the source and webidls agree as to what the parent type is
type Parent = EventTarget
source§impl IDLInterface for OffscreenCanvas
impl IDLInterface for OffscreenCanvas
source§impl JSTraceable for OffscreenCanvas
impl JSTraceable for OffscreenCanvas
source§impl MallocSizeOf for OffscreenCanvas
impl MallocSizeOf for OffscreenCanvas
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 MutDomObject for OffscreenCanvas
impl MutDomObject for OffscreenCanvas
source§unsafe fn init_reflector(&self, obj: *mut JSObject)
unsafe fn init_reflector(&self, obj: *mut JSObject)
Initializes the Reflector
source§impl PartialEq<OffscreenCanvas> for OffscreenCanvas
impl PartialEq<OffscreenCanvas> for OffscreenCanvas
source§fn eq(&self, other: &OffscreenCanvas) -> bool
fn eq(&self, other: &OffscreenCanvas) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.source§impl ToJSValConvertible for OffscreenCanvas
impl ToJSValConvertible for OffscreenCanvas
impl DerivedFrom<EventTarget> for OffscreenCanvas
Auto Trait Implementations§
impl !RefUnwindSafe for OffscreenCanvas
impl !Send for OffscreenCanvas
impl !Sync for OffscreenCanvas
impl Unpin for OffscreenCanvas
impl !UnwindSafe for OffscreenCanvas
Blanket Implementations§
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> MaybeBoxed<Box<T, Global>> for T
impl<T> MaybeBoxed<Box<T, Global>> for T
source§fn maybe_boxed(self) -> Box<T, Global>
fn maybe_boxed(self) -> Box<T, Global>
Convert
source§impl<T> MaybeBoxed<T> for T
impl<T> MaybeBoxed<T> for T
source§fn maybe_boxed(self) -> T
fn maybe_boxed(self) -> T
Convert