DiagramScenePaintCache class final

Retained paint commands keyed by immutable resolved-element identity. Camera changes and unrelated revisions replay these pictures instead of reshaping text and paths.

Constructors

DiagramScenePaintCache()

Properties

hashCode → int
The hash code for this object.
no setterinherited
hasListeners → bool
Whether any listeners are currently registered.
no setterinherited
raster → DiagramRasterCache
final
rasterAdmission → DiagramRasterAdmission
final
recordingCount → int
Successful recordings since construction, for renderer diagnostics.
no setter
retainedPictureCount → int
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
inherited
pictureFor({required Object slot, required Object revision, required void paint(Canvas canvas)}) → Picture
releaseImages(Set<String> sources) → void
Invalidates pictures that retain evicted decoded sources. Raster work is conservatively invalidated too; pending recordings release when settled.
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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