ReferenceLine class

Reference line annotation for charts.

Inheritance

Constructors

ReferenceLine({Key? key, required Offset start, required Offset end, Color color = Colors.grey, double width = 1, List<double>? dashPattern, bool showMarkers = false, double markerRadius = 4, Color? markerColor, bool showLabel = false, String? label, TextStyle? labelStyle, Offset labelOffset = const Offset(0, -10), VoidCallback? onTap})
const
ReferenceLine.horizontal({required double y, required double startX, required double endX, Color color = Colors.grey, double width = 1, List<double>? dashPattern, bool showLabel = false, String? label, TextStyle? labelStyle})
Creates a horizontal reference line.
factory
ReferenceLine.vertical({required double x, required double startY, required double endY, Color color = Colors.grey, double width = 1, List<double>? dashPattern, bool showLabel = false, String? label, TextStyle? labelStyle})
Creates a vertical reference line.
factory

Properties

color → Color
Line color.
final
dashPattern → List<double>?
Line dash pattern (null for solid line).
final
end → Offset
End point of the line.
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label → String?
Label text.
final
labelOffset → Offset
Label offset from the line.
final
labelStyle → TextStyle?
Label style.
final
markerColor → Color?
Marker fill color.
final
markerRadius → double
Marker radius.
final
onTap → VoidCallback?
Callback when line is tapped.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
showLabel → bool
Whether to show the label.
final
showMarkers → bool
Whether to show markers at endpoints.
final
start → Offset
Start point of the line.
final
width → double
Line width.
final

Methods

build(BuildContext context) → Widget
Describes the part of the user interface represented by this widget.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

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