CPDFPageThumbnailFileDiskCache class

File-system backed thumbnail cache.

Implemented types

• CPDFPageThumbnailDiskCache

Constructors

CPDFPageThumbnailFileDiskCache({Directory? cacheDirectory})

Creates a disk cache. When cacheDirectory is omitted, a dedicated subdirectory is created under ComPDFKit.getTemporaryDirectory.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

clear() → Future<void>

Clears all cached page thumbnails.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

read(CPDFPageThumbnailKey key) → Future<Uint8List?>

Reads encoded image bytes for key.

override

remove(CPDFPageThumbnailKey key) → Future<void>

Removes one cached thumbnail.

override

toString() → String

A string representation of this object.

inherited

write(CPDFPageThumbnailKey key, Uint8List bytes) → Future<void>

Writes encoded image bytes for key.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Constants

defaultDirectoryName → const String

Directory name under ComPDFKit.getTemporaryDirectory.