ChartPainter class

Provides chart painter.

Inheritance

Constructors

ChartPainter({required AnimationController controller, required List<ChartLayer> layers, EdgeInsets padding = EdgeInsets.zero, List<ChartLayer>? oldLayers, UpdateTouchableShapesCallback? onUpdateTouchableShapes, ChartTouchCallbackData? touchedData})

Properties

controller AnimationController
The controller from animation.
final
hashCode int
The hash code for this object.
no setterinherited
layers List<ChartLayer>
The list of layers.
final
oldLayers List<ChartLayer>?
The previous layers.
final
onUpdateTouchableShapes UpdateTouchableShapesCallback?
Only used if graph uses a touch events
final
padding EdgeInsets
The padding of main sheet.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
semanticsBuilder SemanticsBuilderCallback?
Returns a function that builds semantic information for the picture drawn by this painter.
no setterinherited
touchedData ChartTouchCallbackData?
The touchedData has been last clicked.
final

Methods

addListener(VoidCallback listener) → void
Register a closure to be notified when it is time to repaint.
inherited
hitTest(Offset position) bool?
Called whenever a hit test is being performed on an object that is using this custom paint delegate.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
paint(Canvas canvas, Size size) → void
Draw charts.
override
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that the object notifies when it is time to repaint.
inherited
shouldRebuildSemantics(covariant CustomPainter oldDelegate) bool
Called whenever a new instance of the custom painter delegate class is provided to the RenderCustomPaint object, or any time that a new CustomPaint object is created with a new instance of the custom painter delegate class (which amounts to the same thing, because the latter is implemented in terms of the former).
inherited
shouldRepaint(covariant CustomPainter oldDelegate) bool
Called whenever a new instance of the custom painter delegate class is provided to the RenderCustomPaint object, or any time that a new CustomPaint object is created with a new instance of the custom painter delegate class (which amounts to the same thing, because the latter is implemented in terms of the former).
override
toString() String
A string representation of this object.
inherited

Operators

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