WebGpuFramePresenter class final

Copies frame into device's canvas and shows it, styled by fit and quality through CSS on the element rather than through Flutter, since Flutter does not composite these pixels.

Inheritance

Constructors

WebGpuFramePresenter({Key? key, required WebGpuDevice device, required TextureHandle frame, BoxFit fit = BoxFit.fill, FilterQuality quality = FilterQuality.none})
A presenter of frame on device, stretched to fill with nearest-neighbour scaling unless told otherwise.
const

Properties

device → WebGpuDevice
The device whose canvas element shows the frame.
final
fit → BoxFit
How the canvas is fitted into the widget's box, as CSS object-fit; BoxFit.fill by default.
final
frame → TextureHandle
The rendered texture copied into the canvas on every build.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
quality → FilterQuality
How the browser scales the canvas, as CSS image-rendering; FilterQuality.none by default, which keeps pixels sharp.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited