AssetEntityImageProvider class

Inheritance

Constructors

AssetEntityImageProvider(AssetEntity entity, {double scale = 1.0, List<int>? thumbSize = const <int>[Constants.defaultGridThumbSize, Constants.defaultGridThumbSize], bool isOriginal = true})
const

Properties

entity → AssetEntity
final
hashCode → int
The hash code for this object.
no setteroverride
imageFileType → ImageFileType
File type for the image asset, use it for some special type detection. 图片资源的类型，用于某些特殊类型的判断
no setter
isOriginal → bool
Choose if original data or thumb data should be loaded. 选择载入原数据还是缩略图数据
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
scale → double
Scale for image provider. 缩放
final
thumbSize → List<int>?
Size for thumb data. 缩略图的大小
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
load(AssetEntityImageProvider key, dynamic decode) → ImageStreamCompleter
loadBuffer(AssetEntityImageProvider key, DecoderBufferCallback decode) → ImageStreamCompleter
Converts a key into an ImageStreamCompleter, and begins fetching the image.
inherited
loadImage(AssetEntityImageProvider 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<AssetEntityImageProvider>
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, AssetEntityImageProvider key, ImageErrorListener handleError) → void
Called by resolve with the key returned by obtainKey.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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