RgbaImage class

ImageProvider of BufferImage to display in ImageWidget

Inheritance

Constructors

RgbaImage(Uint8List bytes, {required int width, required int height, double scale = 1.0})
initial from rgba bytes and the specified width & height
const
RgbaImage.fromBufferImage(BufferImage image, {double scale = 1.0})
initial from a image

Properties

bytes → Uint8List
final
hashCode → int
The hash code for this object.
no setteroverride
height → int
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scale → double
final
width → int
final

Methods

createStream(ImageConfiguration configuration) → ImageStream
Called by resolve to create the ImageStream it returns.
inherited
evict({ImageCache? cache, ImageConfiguration configuration = ImageConfiguration.empty}) → Future<bool>
Evicts an entry from the image cache.
inherited
loadBuffer(RgbaImage key, DecoderBufferCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
override
loadImage(RgbaImage key, ImageDecoderCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
obtainCacheStatus({required ImageConfiguration configuration, ImageErrorListener? handleError}) → Future<ImageCacheStatus?>
Returns the cache location for the key that this ImageProvider creates.
inherited
obtainKey(ImageConfiguration configuration) → Future<RgbaImage>
Converts an ImageProvider's settings plus an ImageConfiguration to a key that describes the precise image to load.
override
resolve(ImageConfiguration configuration) → ImageStream
Resolves this image provider using the given configuration, returning an ImageStream.
inherited
resolveStreamForKey(ImageConfiguration configuration, ImageStream stream, RgbaImage key, ImageErrorListener handleError) → void
Called by resolve with the key returned by obtainKey.
inherited
toString() → String
A string representation of this object.
override

Operators

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