ChartCanvas class
A thin, reusable widget that hosts any ChartRenderer in a CustomPaint, reads the theme from the environment, and traces the chart in with the shared reveal animation. Every concrete chart widget wraps this — so the animation/theming plumbing lives in exactly one place.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ChartCanvas
Constructors
- ChartCanvas({Key? key, required ChartRenderer renderer, bool animate = true, Duration duration = const Duration(milliseconds: 1000), int replay = 0})
-
Creates a canvas hosting
renderer, optionally tracing it in with the reveal animation (animate) overduration.const
Properties
- animate → bool
-
Whether to play the entrance reveal animation on first build.
final
- duration → Duration
-
How long the entrance reveal animation runs.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- renderer → ChartRenderer
-
The renderer drawn into the canvas.
final
- replay → int
-
Change this value to replay the entrance animation.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → State< ChartCanvas> -
Creates the mutable state for this widget at a given location in the tree.
override
-
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