AssetEntityImageProvider class

Inheritance

Constructors

AssetEntityImageProvider(AssetEntity entity, {double scale = 1.0, List<int>? thumbSize = const <int>[200, 200], bool isOriginal = false})
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