CompressionPreset enum

Compression quality preset levels for image output.

Inheritance
Available extensions

Values

ultraHigh → const CompressionPreset

Minimal compression, highest quality (~95% retention).

high → const CompressionPreset

Standard high quality compression (~85% retention).

medium → const CompressionPreset

Balanced quality vs size compression (~70% retention).

low → const CompressionPreset

Aggressive compression for minimal file sizes (~50% retention).

thumbnail → const CompressionPreset

Maximum compression with visible quality loss (~30% retention).

Properties

hashCode → int
The hash code for this object.
no setterinherited
index → int
A numeric identifier for the enumerated value.
no setterinherited
label → String

Available on CompressionPreset, provided by the CompressionPresetExtension extension

Human-readable label for this compression preset.
no setter
name → String

Available on Enum, provided by the EnumName extension

The name of the enum value.
no setter
qualityFactor → double

Available on CompressionPreset, provided by the CompressionPresetExtension extension

Quality factor from 0.0 to 1.0 for this preset.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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

Constants

values → const List<CompressionPreset>
A constant List of the values in this enum, in order of their declaration.