ImageUtils class abstract final

Image helpers: initials, URL detection and aspect-ratio math.

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

aspectRatio(double width, double height) → double

The aspect ratio of width / height (1.0 when height is 0).

heightForWidth(double width, double aspectRatio) → double

Height that keeps the given aspectRatio for width.

initials(String? name, {int maxChars = 2, String fallback = '?'}) → String

Builds a short initials string from name (max maxChars characters).

isAssetPath(String value) → bool

Whether value is a local asset path (starts with assets/).

isDataUri(String value) → bool

Whether value is a data: URI.

isNetworkUrl(String value) → bool

Whether value is an http(s) image URL.

widthForHeight(double height, double aspectRatio) → double

Width that keeps the given aspectRatio for height.