HandSignaturePaint class

A StatefulWidget that uses CustomPaint to render a hand signature. It rebuilds automatically whenever the signature data managed by HandSignatureControl changes.

This widget is typically used internally by HandSignature and HandSignatureView.

Inheritance

Constructors

HandSignaturePaint.new({Key? key, required HandSignatureControl control, required HandSignatureDrawer drawer, bool onSize(Size size)?}): Creates a HandSignaturePaint widget.
const

control → HandSignatureControl: The controller that manages the signature paths and notifies listeners of changes.
final
drawer → HandSignatureDrawer: The drawer responsible for rendering the signature paths on the canvas.
final
hashCode → int: The hash code for this object.
no setterinherited
key → Key?: Controls how one widget replaces another widget in the tree.
finalinherited
onSize → bool Function(Size size)?: Optional callback that is invoked when the canvas size changes.
final
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

createElement() → StatefulElement: Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _HandSignaturePaintState: 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