AudioWaveformState<T extends AudioWaveform> class
abstract
State of the AudioWaveform
Constructors
Properties
- absolute → bool
-
Whether to show absolute waveform or not
no setter
- activeRatio → double
-
Gets the ratio of elapsedDuration to maxDuration.
Used by waveforms that show active track with help of stops in gradient while painting.
eg. CurvedPolygonWaveform, SquigglyWaveform
no setter
-
activeSamples
→ List<
double> -
Getter for active samples.
no setter
- context → BuildContext
-
The location in the tree where this widget builds.
no setterinherited
- elapsedDuration → Duration?
-
getter for elapsedDuration
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- invert → bool
-
Whether to invert/flip waveform or not
no setter
- maxDuration → Duration?
-
Getter for maxDuration
no setter
- mounted → bool
-
Whether this State object is currently in a tree.
no setterinherited
-
processedSamples
→ List<
double> -
Getter for processed samples.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- sampleWidth → double
-
Getter for sample width.
no setter
- showActiveWaveform → bool
-
Whether to show active waveform or not
no setter
- waveformAlignment → WaveformAlignment
-
Getter for waveformAlignment.
no setter
- widget → T
-
The current configuration.
no setterinherited
Methods
-
activate(
) → void -
Called when this object is reinserted into the tree after having been
removed via deactivate.
inherited
-
build(
BuildContext context) → Widget -
Describes the part of the user interface represented by this widget.
inherited
-
deactivate(
) → void -
Called when this object is removed from the tree.
inherited
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
didChangeDependencies(
) → void -
Called when a dependency of this State object changes.
inherited
-
didUpdateWidget(
covariant T oldWidget) → void -
Called whenever the widget configuration changes.
override
-
dispose(
) → void -
Called when this object is removed from the tree permanently.
inherited
-
initState(
) → void -
Called when this object is inserted into the tree.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
processSamples(
) → void - Raw samples are processed before used following some techniques. This is to have consistent samples that can be used to draw the waveform properly.
-
reassemble(
) → void -
Called whenever the application is reassembled during debugging, for
example during hot reload.
inherited
-
setState(
VoidCallback fn) → void -
Notify the framework that the internal state of this object has changed.
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
-
toStringShort(
) → String -
A brief description of this object, usually just the runtimeType and the
hashCode.
inherited
-
updateProcessedSamples(
List< double> updatedSamples) → void - Method for subsclass to update the processed samples
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited