ZoomOverlay class
The main widget that allows a widget to pinch and zoom on top of current context by inserting a OverlayEntry.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- ZoomOverlay
Constructors
- ZoomOverlay({Key? key, bool twoTouchOnly = false, required Widget child, BuildContext? buildContextOverlayState, double? minScale, double? maxScale, Duration animationDuration = const Duration(milliseconds: 100), Curve animationCurve = Curves.fastOutSlowIn, Color? modalBarrierColor, VoidCallback? onScaleStart, VoidCallback? onScaleStop})
-
const
Properties
- animationCurve → Curve
-
Specifies the animation curve when the widget zoom has ended and is
animating back to the original place.
final
- animationDuration → Duration
-
Specifies the animation duration when the widget zoom has ended and is
animating back to the original place.
final
- buildContextOverlayState → BuildContext?
-
A BuildContext to use as the overlay state.
final
- child → Widget
-
A widget to make zoomable.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- maxScale → double?
-
Specifies the maximum multiplier the user can zoom inwards.
final
- minScale → double?
-
Specifies the minimum multiplier it can scale outwards.
final
- modalBarrierColor → Color?
-
Specifies the color of the modal barrier that shows in the background.
final
- onScaleStart → VoidCallback?
-
add callback functions
final
- onScaleStop → VoidCallback?
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- twoTouchOnly → bool
-
Specifies wither the zoom is enabled only with two fingers on the screen.
Defaults to false.
final
Methods
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _ZoomOverlayState -
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