CompressFormat class

Class that represents the known formats a bitmap can be compressed into.

Properties

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toNativeValue() → String

Gets String native value.

toString() → String

A string representation of this object.

override

toValue() → String

Gets String value.

Operators

operator ==(Object value) → bool

The equality operator.

override

Static Properties

values → Set<CompressFormat>

Set of all values of CompressFormat.

final

Static Methods

fromNativeValue(String? value) → CompressFormat?

Gets a possible CompressFormat instance from a native value.

fromValue(String? value) → CompressFormat?

Gets a possible CompressFormat instance from String value.

Constants

JPEG → const CompressFormat

Compress to the JPEG format. Quality of 0 means compress for the smallest size. 100 means compress for max visual quality.

PNG → const CompressFormat

Compress to the PNG format. PNG is lossless, so quality is ignored.

WEBP → const CompressFormat

Compress to the WEBP lossy format. Quality of 0 means compress for the smallest size. 100 means compress for max visual quality.

WEBP_LOSSLESS → const CompressFormat

Compress to the WEBP lossless format. Quality refers to how much effort to put into compression. A value of 0 means to compress quickly, resulting in a relatively large file size. 100 means to spend more time compressing, resulting in a smaller file.

WEBP_LOSSY → const CompressFormat

Compress to the WEBP lossy format. Quality of 0 means compress for the smallest size. 100 means compress for max visual quality.