FileImage class Null safety

Decodes the given File object as an image, associating it with the given scale.

The provider does not monitor the file for changes. If you expect the underlying data to change, you should call the evict method.

See also:

Inheritance
Annotations

Constructors

FileImage(File file, {double scale = 1.0})
Creates an object that decodes a File as an image.
const

Properties

file → File
The file to decode into an image.
final
hashCode → int
The hash code for this object.
read-onlyoverride
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
scale → double
The scale to place in the ImageInfo object of the image.
final

Methods

createStream(ImageConfiguration configuration) → ImageStream
Called by resolve to create the ImageStream it returns.
protected">@protectedinherited
evict({ImageCache? cache, ImageConfiguration configuration = ImageConfiguration.empty}) → Future<bool>
Evicts an entry from the image cache.
inherited
load(FileImage key, DecoderCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
override
loadBuffer(FileImage key, DecoderBufferCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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<FileImage>
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.
nonVirtual">@nonVirtualinherited
resolveStreamForKey(ImageConfiguration configuration, ImageStream stream, FileImage key, ImageErrorListener handleError) → void
Called by resolve with the key returned by obtainKey.
protected">@protectedinherited
toString() → String
A string representation of this object.
override

Operators

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