AsyncChartProcessor class

Moves heavy chart processing (LTTB, stats, binning) off the UI thread.

The isolate decision is based on effective data-point count, not series count: one visible 100k-point series should be offloaded, while 10k empty series or a tiny zoom window should not.

Constructors

AsyncChartProcessor()

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

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

processAsync(List<Series> series, {int renderThreshold = 500, SamplingStrategy? samplingStrategy, int? startIndex, int? endIndex, bool? useCache, String? dataSignature, bool? useIsolate, int? isolatePointThreshold, void onReport(AsyncChartProcessingReport report)?}) → Future<ChartProcessingResult>

processAsyncWithReport(List<Series> series, {int renderThreshold = 500, SamplingStrategy? samplingStrategy, int? startIndex, int? endIndex, bool? useCache, String? dataSignature, bool? useIsolate, int? isolatePointThreshold}) → Future<AsyncChartProcessingResult>

shouldUseIsolate(List<Series> series, {bool? useIsolate, int? startIndex, int? endIndex, int? isolatePointThreshold}) → bool