PixelLabelAnnotation class

A simple label annotation positioned by pixel coordinates.

Use this when you want to place a label at a specific pixel position rather than at data coordinates.

Inheritance

Constructors

PixelLabelAnnotation({Key? key, required double x, required double y, required String label, TextStyle? labelStyle, required double width, required double height, LabelAnnotationConfig config = const LabelAnnotationConfig(), LabelAnchor anchor = LabelAnchor.center})
Creates a pixel-positioned label annotation.
const

Properties

anchor LabelAnchor
The anchor point for the label.
final
config LabelAnnotationConfig
Configuration for the label.
final
hashCode int
The hash code for this object.
no setterinherited
height double
The height of the chart area.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
label String
The label text.
final
labelStyle TextStyle?
Text style for the label.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
width double
The width of the chart area.
final
x double
The x pixel position.
final
y double
The y pixel position.
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