BarTargetLineRenderer<D> class

Renders series data as a series of bar target lines.

Usually paired with a BarRenderer to display target metrics alongside actual metrics.

Inheritance

• Object
• BaseCartesianRenderer<D>
• BarTargetLineRenderer

Implemented types

• SeriesRenderer<D>

Constructors

BarTargetLineRenderer({BarTargetLineRendererConfig<D>? config, String? rendererId})

factory

Properties

chart ↔ CartesianChart<D>

getter/setter pair, inherited

componentBounds → Rectangle<int>?

Bounding box for drawing this component.

no setter, inherited

config → BaseBarRendererConfig<Object?>

final, inherited

drawBounds → Rectangle<int>?

no setter, inherited

graphicsFactory ↔ GraphicsFactory?

getter/setter pair, inherited

hashCode → int

The hash code for this object.

no setter, inherited

isRtl → bool

no setter, inherited

isSeriesRenderer → bool

Whether or not this component is a series renderer that draws series data.

no setter, inherited

layoutConfig → LayoutViewConfig

Layout params for this component.

final, inherited

rendererId ↔ String

Unique identifier for this renderer. Any Series on a chart with a matching rendererIdKey will be drawn by this renderer.

getter/setter pair, inherited

renderingVertically → bool

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

symbolRenderer ↔ SymbolRenderer?

Symbol renderer for this renderer.

getter/setter pair, inherited

Methods

addMeasureValuesFor(MutableSeries<D> series, Axis<num> measureAxis, int startIndex, int endIndex) → void

inherited

addPositionToDetailsForSeriesDatum(DatumDetails<D> details, SeriesDatum<D> seriesDatum) → DatumDetails<D>

Adds chart position data to details.

override

assignMissingColors(Iterable<MutableSeries<D>> seriesList, {required bool emptyCategoryUsesSinglePalette}) → void

Assigns colors to series that are missing their colorFn.

inherited

configureDomainAxes(List<MutableSeries<D>> seriesList) → void

Adds the domain values for the given series to the chart's domain axis.

inherited

configureMeasureAxes(List<MutableSeries<D>> seriesList) → void

Adds the measure values for the given series to the chart's measure axes.

inherited

configureSeries(List<MutableSeries<D>> seriesList) → void

Performs basic configuration for the series, before it is pre-processed.

findNearestViewportEnd(Axis<D> domainAxis, AccessorFn<D> domainFn, List<Object?> data) → int

inherited

findNearestViewportStart(Axis<D> domainAxis, AccessorFn<D> domainFn, List<Object?> data) → int

inherited

getBaseDetails(dynamic datum, int index) → _BarTargetLineRendererElement

Construct a base details element for a given datum.

getBoundsForBar(_BarTargetLineRendererElement bar) → Rectangle<int>

getDetailsForSeriesDatum(SeriesDatum<D> seriesDatum) → DatumDetails<D>

Get an expanded set of processed DatumDetails for a given SeriesDatum.

inherited

getNearestDatumDetailPerSeries(Point<double> chartPoint, bool byDomain, Rectangle<int>? boundsOverride, {bool selectOverlappingPoints = false, bool selectExactEventLocation = false}) → List<DatumDetails<D>>

Gets a list of the data from each series that is closest to a given point.

inherited

getOrderedSeriesList<S extends ImmutableSeries<D>>(List<S> seriesList) → Iterable<S>

Gets the iterator for the series based grouped/stacked and orientation.

inherited

isPointWithinBounds(Point<double> chartPoint, Rectangle<int>? bounds) → bool

Returns true of chartPoint is within the component bounds for this renderer.

inherited

layout(Rectangle<int> componentBounds, Rectangle<int> drawAreaBounds) → void

Layout this component.

inherited

makeAnimatedBar({required String key, required ImmutableSeries<D> series, dynamic datum, Color? color, List<int>? dashPattern, required _BarTargetLineRendererElement details, D? domainValue, required ImmutableAxis<D> domainAxis, required int domainWidth, num? measureValue, required num measureOffsetValue, required ImmutableAxis<num> measureAxis, double? measureAxisPosition, Color? fillColor, FillPatternType? fillPattern, required int barGroupIndex, double? previousBarGroupWeight, double? barGroupWeight, List<double>? allBarGroupWeights, required int numBarGroups, double? strokeWidthPx, bool? measureIsNull, bool? measureIsNegative}) → _AnimatedBarTargetLine<D>

Generates an _AnimatedBarTargetLine to represent the previous and current state of one bar target line on the chart.

makeBarRendererElement({Color? color, List<int>? dashPattern, required _BarTargetLineRendererElement details, D? domainValue, required ImmutableAxis<D> domainAxis, required int domainWidth, num? measureValue, required num measureOffsetValue, required ImmutableAxis<num> measureAxis, double? measureAxisPosition, Color? fillColor, FillPatternType? fillPattern, double? strokeWidthPx, required int barGroupIndex, double? previousBarGroupWeight, double? barGroupWeight, List<double>? allBarGroupWeights, required int numBarGroups, bool? measureIsNull, bool? measureIsNegative}) → _BarTargetLineRendererElement

Generates a _BarTargetLineRendererElement to represent the rendering data for one bar target line on the chart.

measure(int maxWidth, int maxHeight) → ViewMeasuredSizes?

Measure and return the size of this component.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

onAttach(BaseChart<D> chart) → void

Handles any setup of the renderer that needs to be deferred until it is attached to a chart.

inherited

onDetach(BaseChart<D> chart) → void

Handles any clean-up of the renderer that needs to be performed when it is detached from a chart.

inherited

paint(ChartCanvas canvas, double animationPercent) → void

Paints the current bar data on the canvas.

inherited

paintBar(ChartCanvas canvas, double animationPercent, Iterable<_BarTargetLineRendererElement> barElements) → void

Paints a stack of bar elements on the canvas.

preprocessSeries(List<MutableSeries<D>> seriesList) → void

Pre-calculates some details for the series that will be needed later during the drawing phase.

inherited

toString() → String

A string representation of this object.

inherited

update(List<ImmutableSeries<D>> seriesList, bool isAnimatingThisDraw) → void

Generates rendering data needed to paint the data on the chart.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited