#[repr(C)]pub struct CanvasRenderingContext2D {
reflector_: Reflector,
canvas: Option<Dom<HTMLCanvasElement>>,
canvas_state: CanvasState,
}
Fields
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
Implementations
sourceimpl CanvasRenderingContext2D
impl CanvasRenderingContext2D
fn __assert_parent_type(&self)
sourceimpl CanvasRenderingContext2D
impl CanvasRenderingContext2D
pub fn new_inherited(
global: &GlobalScope,
canvas: Option<&HTMLCanvasElement>,
size: Size2D<u32>
) -> CanvasRenderingContext2D
pub fn new(
global: &GlobalScope,
canvas: &HTMLCanvasElement,
size: Size2D<u32>
) -> Root<Dom<CanvasRenderingContext2D>>
pub fn set_bitmap_dimensions(&self, size: Size2D<u32>)
fn reset_to_initial_state(&self)
pub fn set_canvas_bitmap_dimensions(&self, size: Size2D<u64>)
pub fn mark_as_dirty(&self)
pub fn take_missing_image_urls(&self) -> Vec<ServoUrl> ⓘ
pub fn get_canvas_id(&self) -> CanvasId
pub fn send_canvas_2d_msg(&self, msg: Canvas2dMsg)
pub fn get_ipc_renderer(&self) -> IpcSender<CanvasMsg>
pub fn origin_is_clean(&self) -> bool
pub fn get_rect(&self, rect: Rect<u32>) -> Vec<u8> ⓘ
Trait Implementations
sourceimpl CanvasRenderingContext2DMethods for CanvasRenderingContext2D
impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D
fn Canvas(&self) -> Root<Dom<HTMLCanvasElement>>
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) -> Root<Dom<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 FillText(&self, text: DOMString, x: f64, y: f64, max_width: Option<f64>)
fn MeasureText(&self, text: DOMString) -> Root<Dom<TextMetrics>>
fn Font(&self) -> DOMString
fn SetFont(&self, value: DOMString)
fn TextAlign(&self) -> CanvasTextAlign
fn SetTextAlign(&self, value: CanvasTextAlign)
fn TextBaseline(&self) -> CanvasTextBaseline
fn SetTextBaseline(&self, value: CanvasTextBaseline)
fn Direction(&self) -> CanvasDirection
fn SetDirection(&self, value: CanvasDirection)
fn DrawImage(
&self,
image: CanvasImageSource,
dx: f64,
dy: f64
) -> Result<(), Error>
fn DrawImage_(
&self,
image: CanvasImageSource,
dx: f64,
dy: f64,
dw: f64,
dh: f64
) -> Result<(), Error>
fn DrawImage__(
&self,
image: CanvasImageSource,
sx: f64,
sy: f64,
sw: f64,
sh: f64,
dx: f64,
dy: f64,
dw: f64,
dh: f64
) -> Result<(), Error>
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
) -> Result<(), Error>
fn ArcTo(
&self,
cp1x: f64,
cp1y: f64,
cp2x: f64,
cp2y: f64,
r: f64
) -> Result<(), Error>
fn Ellipse(
&self,
x: f64,
y: f64,
rx: f64,
ry: f64,
rotation: f64,
start: f64,
end: f64,
ccw: bool
) -> Result<(), Error>
fn ImageSmoothingEnabled(&self) -> bool
fn SetImageSmoothingEnabled(&self, value: bool)
fn StrokeStyle(&self) -> StringOrCanvasGradientOrCanvasPattern
fn SetStrokeStyle(&self, value: StringOrCanvasGradientOrCanvasPattern)
fn FillStyle(&self) -> StringOrCanvasGradientOrCanvasPattern
fn SetFillStyle(&self, value: StringOrCanvasGradientOrCanvasPattern)
fn CreateImageData(&self, sw: i32, sh: i32) -> Result<Root<Dom<ImageData>>, Error>
fn CreateImageData_(
&self,
imagedata: &ImageData
) -> Result<Root<Dom<ImageData>>, Error>
fn GetImageData(
&self,
sx: i32,
sy: i32,
sw: i32,
sh: i32
) -> Result<Root<Dom<ImageData>>, Error>
fn PutImageData(&self, imagedata: &ImageData, dx: i32, dy: i32)
fn PutImageData_(
&self,
imagedata: &ImageData,
dx: i32,
dy: i32,
dirty_x: i32,
dirty_y: i32,
dirty_width: i32,
dirty_height: i32
)
fn CreateLinearGradient(
&self,
x0: Finite<f64>,
y0: Finite<f64>,
x1: Finite<f64>,
y1: Finite<f64>
) -> Root<Dom<CanvasGradient>>
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>
fn CreatePattern(
&self,
image: CanvasImageSource,
repetition: DOMString
) -> Result<Option<Root<Dom<CanvasPattern>>>, Error>
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)
sourceimpl DomObject for CanvasRenderingContext2D
impl DomObject for CanvasRenderingContext2D
sourceimpl DomObjectWrap for CanvasRenderingContext2D
impl DomObjectWrap for CanvasRenderingContext2D
sourceconst WRAP: unsafe fn(_: SafeJSContext, _: &GlobalScope, _: Box<Self>) -> Root<Dom<Self>> = {dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::CanvasRenderingContext2DBinding::Wrap as for<'a> unsafe fn(script_runtime::JSContext, &'a dom::globalscope::GlobalScope, std::boxed::Box<dom::canvasrenderingcontext2d::CanvasRenderingContext2D>) -> dom::bindings::root::Root<dom::bindings::root::Dom<dom::canvasrenderingcontext2d::CanvasRenderingContext2D>>}
const WRAP: unsafe fn(_: SafeJSContext, _: &GlobalScope, _: Box<Self>) -> Root<Dom<Self>> = {dom::bindings::codegen::Bindings::CanvasRenderingContext2DBinding::CanvasRenderingContext2DBinding::Wrap as for<'a> unsafe fn(script_runtime::JSContext, &'a dom::globalscope::GlobalScope, 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
sourceimpl Drop for CanvasRenderingContext2D
impl Drop for CanvasRenderingContext2D
sourceimpl HasParent for CanvasRenderingContext2D
impl HasParent for CanvasRenderingContext2D
sourceimpl MallocSizeOf for CanvasRenderingContext2D
impl MallocSizeOf for CanvasRenderingContext2D
sourcefn 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. Read more
sourceimpl MutDomObject for CanvasRenderingContext2D
impl MutDomObject for CanvasRenderingContext2D
sourceunsafe fn init_reflector(&self, obj: *mut JSObject)
unsafe fn init_reflector(&self, obj: *mut JSObject)
Initializes the Reflector
sourceimpl PartialEq<CanvasRenderingContext2D> for CanvasRenderingContext2D
impl PartialEq<CanvasRenderingContext2D> for CanvasRenderingContext2D
sourcefn eq(&self, other: &CanvasRenderingContext2D) -> bool
fn eq(&self, other: &CanvasRenderingContext2D) -> bool
sourceimpl ToJSValConvertible for CanvasRenderingContext2D
impl ToJSValConvertible for CanvasRenderingContext2D
sourceunsafe fn to_jsval(&self, cx: *mut JSContext, rval: MutableHandleValue<'_>)
unsafe fn to_jsval(&self, cx: *mut JSContext, rval: MutableHandleValue<'_>)
Convert
self
to a JSVal
. JSAPI failure causes a panic.Auto Trait Implementations
impl !RefUnwindSafe for CanvasRenderingContext2D
impl !Send for CanvasRenderingContext2D
impl !Sync for CanvasRenderingContext2D
impl Unpin for CanvasRenderingContext2D
impl !UnwindSafe for CanvasRenderingContext2D
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> MaybeBoxed<Box<T, Global>> for T
impl<T> MaybeBoxed<Box<T, Global>> for T
sourcefn maybe_boxed(self) -> Box<T, Global>
fn maybe_boxed(self) -> Box<T, Global>
Convert
sourceimpl<T> MaybeBoxed<T> for T
impl<T> MaybeBoxed<T> for T
sourcefn maybe_boxed(self) -> T
fn maybe_boxed(self) -> T
Convert