WebPEncoder class
Encode an image to the PNG format.
Constructors
- WebPEncoder({int format = LOSSY, num quality = 100})
-
formatcan be LOSSY or LOSSLESS.qualityis controls lossy compression, in the range 0 (smallest file) and 100 (biggest).
Properties
- delay ↔ int?
-
getter/setter pair
- format ↔ int
-
getter/setter pair
- hashCode → int
-
The hash code for this object.
no setterinherited
- output ↔ OutputBuffer?
-
getter/setter pair
- quality ↔ num
-
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- supportsAnimation → bool
-
Does this encoder support animation?
no setteroverride
Methods
-
addFrame(
Image image, {int? duration}) → void - Add a frame to be encoded. Call finish to encode the added frames. If only one frame is added, a single-image WebP is encoded; otherwise if there are more than one frame, a multi-frame animated WebP is encoded.
-
encodeAnimation(
Animation anim) → List< int> ? -
Encode an animation.
override
-
encodeImage(
Image image) → List< int> -
Encode a single frame image.
override
-
finish(
) → List< int> ? - Encode the images that were added with addFrame.
-
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