Shape class abstract

The Base class of a shape.

A shape renders figures of tuples from their aesthetic attribute values. It is the key of painting geometry elements. Besides, the shape it self is an aesthetic attribute in Grammar of Graphics.

Shapes could be customized by extending its subclasses of different geometory types, or directly extend this class for the CustomElement. Customizing shapes extenses chart types.

Implementers

• CandlestickShape
• FunctionShape
• PartitionShape

Constructors

Shape()

Properties

defaultSize → double

The default size of the shape if Aes.size is null.

no setter

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

equalTo(Object other) → bool

Checks the equlity of two specs.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

renderGroup(List<Aes> group, CoordConv coord, Offset origin) → List<Figure>

Renders the whole group of tuples.

renderItem(Aes item, CoordConv coord, Offset origin) → List<Figure>

Renders a single tuple if called by renderGroup.

representPoint(List<Offset> position) → Offset

Gets the represent point of Aes.position points.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited