script::dom::bindings::codegen::GenericBindings::HTMLCanvasElementBinding::HTMLCanvasElement_Binding

Trait HTMLCanvasElementMethods

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pub(crate) trait HTMLCanvasElementMethods<D: DomTypes> {
    // Required methods
    fn Width(&self) -> u32;
    fn SetWidth(&self, value: u32) -> ErrorResult;
    fn Height(&self) -> u32;
    fn SetHeight(&self, value: u32) -> ErrorResult;
    fn GetContext(
        &self,
        cx: SafeJSContext,
        contextId: DOMString,
        options: HandleValue<'_>,
        _can_gc: CanGc,
    ) -> Fallible<Option<CanvasRenderingContext2DOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext<D>>>;
    fn ToDataURL(
        &self,
        cx: SafeJSContext,
        type_: DOMString,
        quality: HandleValue<'_>,
    ) -> Fallible<USVString>;
    fn ToBlob(
        &self,
        cx: SafeJSContext,
        callback: Rc<BlobCallback<D>>,
        type_: DOMString,
        quality: HandleValue<'_>,
    ) -> Fallible<()>;
    fn TransferControlToOffscreen(
        &self,
    ) -> Fallible<DomRoot<D::OffscreenCanvas>>;
    fn CaptureStream(
        &self,
        frameRequestRate: Option<Finite<f64>>,
        _can_gc: CanGc,
    ) -> DomRoot<D::MediaStream>;
}

Required Methods§

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fn Width(&self) -> u32

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fn SetWidth(&self, value: u32) -> ErrorResult

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fn Height(&self) -> u32

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fn SetHeight(&self, value: u32) -> ErrorResult

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fn GetContext( &self, cx: SafeJSContext, contextId: DOMString, options: HandleValue<'_>, _can_gc: CanGc, ) -> Fallible<Option<CanvasRenderingContext2DOrWebGLRenderingContextOrWebGL2RenderingContextOrGPUCanvasContext<D>>>

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fn ToDataURL( &self, cx: SafeJSContext, type_: DOMString, quality: HandleValue<'_>, ) -> Fallible<USVString>

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fn ToBlob( &self, cx: SafeJSContext, callback: Rc<BlobCallback<D>>, type_: DOMString, quality: HandleValue<'_>, ) -> Fallible<()>

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fn TransferControlToOffscreen(&self) -> Fallible<DomRoot<D::OffscreenCanvas>>

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fn CaptureStream( &self, frameRequestRate: Option<Finite<f64>>, _can_gc: CanGc, ) -> DomRoot<D::MediaStream>

Implementors§