Circle class

圆

Inheritance

• Object
• PaintContent
• Circle

Constructors

Circle({bool isEllipse = false, bool startFromCenter = true})

Circle.data({bool isEllipse = false, bool startFromCenter = true, required Offset center, required double radius, required Offset startPoint, required Offset endPoint, required Paint paint})

Circle.fromJson(Map<String, dynamic> data)

factory

Properties

center ↔ Offset

圆心

getter/setter pair

contentType → String

contentType for web

no setter, override

endPoint ↔ Offset

结束点

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

isEllipse → bool

是否为椭圆

final

paint ↔ Paint

画笔

getter/setter pair, inherited

radius ↔ double

半径

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

startFromCenter → bool

从圆心开始绘制

final

startPoint ↔ Offset

起始点

getter/setter pair

Methods

copy() → Circle

复制实例，避免对象传递

override

draw(Canvas canvas, Size size, bool deeper) → void

绘制核心方法

override

drawing(Offset nowPoint) → void

正在绘制

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

startDraw(Offset startPoint) → void

开始绘制

override

toContentJson() → Map<String, dynamic>

toJson

override

toJson() → Map<String, dynamic>

toJson

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited