PngEncoder class

Encode an image to the PNG format.

Inheritance

• Object
• Encoder
• PngEncoder

Constructors

PngEncoder.new({PngFilter filter = PngFilter.paeth, int? level, PngPhysicalPixelDimensions? pixelDimensions})

Properties

filter ↔ PngFilter

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

isAnimated ↔ bool

getter/setter pair

level ↔ int?

getter/setter pair

output ↔ OutputBuffer?

getter/setter pair

pixelDimensions ↔ PngPhysicalPixelDimensions?

getter/setter pair

repeat ↔ int

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

sequenceNumber ↔ int

getter/setter pair

supportsAnimation → bool

Does this encoder support animation?

no setter, override

textData ↔ Map<String, String>?

getter/setter pair

Methods

addFrame(Image image) → void

encode(Image image, {bool singleFrame = false}) → Uint8List

Encode image to the PNG format.

override

finish() → Uint8List?

Finish encoding a PNG, and return the resulting bytes.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

start(int frameCount) → void

Start encoding a PNG.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited