NiceImageAnnotator class

Image viewer with annotation overlay (draw, text, rectangles, arrows).

Inheritance
Available extensions

Constructors

NiceImageAnnotator({Key? key, required String imageUrl, List<NiceAnnotation> initialAnnotations = const [], ValueChanged<List<NiceAnnotation>>? onAnnotationsChanged, Future<void> onSave(List<NiceAnnotation>)?, bool readOnly = false, NiceAnnotationTool initialTool = NiceAnnotationTool.pen})
const

Properties

hashCode → int
The hash code for this object.
no setterinherited
imageUrl → String
final
initialAnnotations → List<NiceAnnotation>
final
initialTool → NiceAnnotationTool
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
onAnnotationsChanged → ValueChanged<List<NiceAnnotation>>?
final
onSave → Future<void> Function(List<NiceAnnotation>)?
final
readOnly → bool
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

asFocusable({FocusNode? focusNode, bool autofocus = false}) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as focusable.
asSemanticButton({String? label, VoidCallback? onTap}) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as a button for screen readers.
asSemanticHeading(String label) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Mark this widget as a heading for screen readers.
createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<NiceImageAnnotator>
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
excludeFromSemantics() → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Exclude this widget from the semantic tree.
mergeSemantics() → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Merge semantics of child widgets.
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
withSemanticLabel(String label) → Widget

Available on Widget, provided by the NiceAccessibilityExtension extension

Add a semantic label to this widget.

Operators

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