CustomZoomableWidget class

Inheritance

Constructors

CustomZoomableWidget({Key? key, double minScale = 0.7, double maxScale = 1.4, double initialScale = 1.0, Offset initialOffset = Offset.zero, double initialRotation = 0.0, bool enableZoom = true, double panLimit = 1.0, bool singleFingerPan = true, bool multiFingersPan = true, bool enableRotate = false, Widget? child, VoidCallback? onTap, int zoomSteps = 0, bool autoCenter = false, bool bounceBackBoundary = true, bool enableFling = true, double flingFactor = 1.0, ValueChanged<double>? onZoomChanged, Duration resetDuration = const Duration(milliseconds: 250), Curve resetCurve = Curves.easeInOut})

Properties

autoCenter → bool
Center offset when zooming to minimum scale.
final
bounceBackBoundary → bool
Enable the bounce-back boundary.
final
child → Widget?
The child widget that is display.
final
enableFling → bool
Allow fling child widget after panning.
final
enableRotate → bool
Allow rotating the image.
final
enableZoom → bool
Allow zooming the child widget.
final
flingFactor → double
Greater value create greater fling distance.
final
hashCode → int
The hash code for this object.
no setterinherited
initialOffset → Offset
The initial offset.
final
initialRotation → double
The initial rotation.
final
initialScale → double
The initial scale.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
maxScale → double
The maximum size for scaling.
final
minScale → double
The minimum size for scaling.
final
multiFingersPan → bool
Allow panning with more than one finger.
final
onTap → VoidCallback?
Tap callback for this widget.
final
onZoomChanged → ValueChanged<double>?
When the scale value changed, the callback will be invoked.
final
panLimit → double
Create a boundary with the factor.
final
resetCurve → Curve
The curve of reset animation.
final
resetDuration → Duration
The duration of reset animation.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
singleFingerPan → bool
Allow panning with one finger.
final
zoomSteps → int
Allow users to zoom with double tap steps by steps.
final

Methods

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