ImageOptimizer class

Utility for automatically optimizing and downscaling images for on-device SLMs (e.g. Gemini Nano on Android, Apple FoundationModels) and multimodal LLMs.

Constructors

ImageOptimizer()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

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

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

isImageMime(String? mimeType) → bool

Determines whether a MIME type represents a supported image format.

shrinkToOptimalSize(Uint8List inputBytes, {int maxDimension = defaultMaxDimension}) → Future<Uint8List>

Downscales inputBytes so that neither width nor height exceeds maxDimension, preserving the original aspect ratio.

Constants

defaultMaxDimension → const int

Default optimal max dimension (width or height) for on-device and mobile models. 768px provides rich visual fidelity while keeping payload sizes under ~100 KB and avoiding mobile NPU memory bottlenecks / OOM.