ChartLineLayer class

Represents a layer in a chart that displays lines connecting points.

This class extends ChartItemLayer and specializes in handling lines.

Inheritance

Constructors

ChartLineLayer.gradient({required List<Point> items, required Map<double, Color>? colors, double lineWidth = 1, List<double>? dashArray, double? smoothness})
Creates a new instance of ChartLineLayer where colors can be defined for y values resulting in a gradient.
ChartLineLayer.positiveNegative({required List<Point> items, required Color? positiveColor, required Color? negativeColor, double lineWidth = 1, List<double>? dashArray, double? smoothness})
Creates a new instance of ChartLineLayer with different colors for the positive and negative portion of the chart.
const
ChartLineLayer.solid({required List<Point> items, required Color color, double lineWidth = 1, List<double>? dashArray, double? smoothness})
Creates a new instance of ChartLineLayer with one solid color for the complete line.
const

Properties

bounds BoundingBox
Returns the bounding box of the chart layer.
no setterinherited
colors Map<double, Color>?
The colors of the line at each y value.
final
dashArray List<double>?
The dash pattern for the line, if any.
final
hashCode int
The hash code for this object.
no setterinherited
isStatic bool
Whether the layer should remain static in a scrollable chart
no setterinherited
items List<Point>
The list of items contained in this layer.
finalinherited
lineWidth double
The width of the line.
final
negativeColor Color?
The color of the line when the value is negative.
final
positiveColor Color?
The color of the line when the value is positive.
final
props List<Object?>
The list of properties that will be used to determine whether two instances are equal.
no setteroverride
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
smoothness double?
The smoothness of the line, if supplied the line will curve instead of hitting the exact points.
final
stringify bool?
If set to true, the toString method will be overridden to output this instance's props.
no setterinherited

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