SpanExtent class abstract

Defines the extent of a Span.

If the span is a row, its extent is the height of the row. If the span is a column, it's the width of that column.

Implementers

• CombiningSpanExtent
• FixedSpanExtent
• FractionalSpanExtent
• RemainingSpanExtent

Constructors

SpanExtent()

Creates a SpanExtent.

const

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

calculateExtent(SpanExtentDelegate delegate) → double

Calculates the actual extent of the span in pixels.

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