Struct ImageData 

#[repr(C)]
pub(crate) struct ImageData {
    reflector_: Reflector,
    width: u32,
    height: u32,
    data: HeapBufferSource<ClampedU8>,
    pixel_format: ImageDataPixelFormat,
    color_space: PredefinedColorSpace,
}

Fields

reflector_: Reflector

width: u32

height: u32

data: HeapBufferSource<ClampedU8>

https://html.spec.whatwg.org/multipage/#dom-imagedata-data

pixel_format: ImageDataPixelFormat

color_space: PredefinedColorSpace

Implementations

impl ImageData

fn __assert_parent_type(&self)

impl ImageData

pub(crate) fn new( global: &GlobalScope, width: u32, height: u32, data: Option<Vec<u8>>, can_gc: CanGc, ) -> Fallible<DomRoot<ImageData>>

fn initialize( pixels_per_row: u32, rows: u32, settings: &ImageDataSettings, source: Option<CustomAutoRooterGuard<'_, Uint8ClampedArray>>, default_color_space: Option<PredefinedColorSpace>, global: &GlobalScope, proto: Option<HandleObject<'_>>, can_gc: CanGc, ) -> Fallible<DomRoot<ImageData>>

https://html.spec.whatwg.org/multipage/#initialize-an-imagedata-object

pub(crate) fn is_detached(&self) -> bool

pub(crate) fn get_size(&self) -> Size2D<u32>

pub(crate) unsafe fn as_slice(&self) -> &[u8]

Nothing must change the array on the JS side while the slice is live.

pub(crate) unsafe fn get_rect(&self, rect: Rect<u32>) -> Cow<'_, [u8]>

Nothing must change the array on the JS side while the slice is live.

pub(crate) fn get_snapshot_rect(&self, rect: Rect<u32>) -> Snapshot

pub(crate) fn to_shared_memory(&self) -> IpcSharedMemory

pub(crate) fn to_vec(&self) -> Vec<u8>

Trait Implementations

impl DomObject for ImageData

fn reflector(&self) -> &Reflector

Returns the receiver’s reflector.

impl DomObjectWrap<DomTypeHolder> for ImageData

const WRAP: unsafe fn(SafeJSContext, &GlobalScope, Option<HandleObject<'_>>, Box<Self>, CanGc) -> Root<Dom<Self>> = {script_bindings::codegen::GenericBindings::CanvasRenderingContext2DBinding::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::imagedata::ImageData>, script_bindings::script_runtime::CanGc) -> script_bindings::root::Root<script_bindings::root::Dom<dom::canvas::imagedata::ImageData>>}

Function pointer to the general wrap function type

impl HasParent for ImageData

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 ImageData

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

Returns whether the given DOM class derives that interface.

impl ImageDataMethods<DomTypeHolder> for ImageData

fn Constructor( global: &GlobalScope, proto: Option<HandleObject<'_>>, can_gc: CanGc, sw: u32, sh: u32, settings: &ImageDataSettings, ) -> Fallible<DomRoot<Self>>

https://html.spec.whatwg.org/multipage/#dom-imagedata

fn Constructor_( global: &GlobalScope, proto: Option<HandleObject<'_>>, can_gc: CanGc, data: CustomAutoRooterGuard<'_, Uint8ClampedArray>, sw: u32, sh: Option<u32>, settings: &ImageDataSettings, ) -> Fallible<DomRoot<Self>>

https://html.spec.whatwg.org/multipage/#dom-imagedata-with-data

fn Width(&self) -> u32

https://html.spec.whatwg.org/multipage/#dom-imagedata-width

fn Height(&self) -> u32

https://html.spec.whatwg.org/multipage/#dom-imagedata-height

fn GetData(&self, _: JSContext) -> Fallible<Uint8ClampedArray>

https://html.spec.whatwg.org/multipage/#dom-imagedata-data

fn PixelFormat(&self) -> ImageDataPixelFormat

https://html.spec.whatwg.org/multipage/#dom-imagedata-pixelformat

fn ColorSpace(&self) -> PredefinedColorSpace

https://html.spec.whatwg.org/multipage/#dom-imagedata-colorspace

impl MallocSizeOf for ImageData

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 MarkedAsSerializableInIdl for ImageData

fn assert_serializable()

Used to define compile-time assertions about the type implementing this trait.

impl MutDomObject for ImageData

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

Initializes the Reflector

impl PartialEq for ImageData

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 Serializable for ImageData

fn serialize(&self) -> Result<(ImageDataId, Self::Data), ()>

https://html.spec.whatwg.org/multipage/#the-imagedata-interface:serializable-objects

fn deserialize( owner: &GlobalScope, serialized: Self::Data, can_gc: CanGc, ) -> Result<DomRoot<Self>, ()>

https://html.spec.whatwg.org/multipage/#the-imagedata-interface:deserialization-steps

type Index = ImageDataIndex

type Data = SerializableImageData

fn serialized_storage<'a>( reader: StructuredData<'a, '_>, ) -> &'a mut Option<FxHashMap<ImageDataId, Self::Data>>

Returns the field of [StructuredDataReader]/[StructuredDataWriter] that should be used to read/store serialized instances of this type.

impl ToJSValConvertible for ImageData

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

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

impl Traceable for ImageData

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

Trace self.

impl Eq for ImageData