RectangleFeature class

矩形特征点类

Constructors

RectangleFeature({required Point<double> topLeft, required Point<double> topRight, required Point<double> bottomLeft, required Point<double> bottomRight})

const

RectangleFeature.fromMap(Map<String, dynamic> map)

从Map创建RectangleFeature对象

factory

RectangleFeature.fromVertices(List<Point<double>> vertices)

从顶点列表创建四边形注释 顶点顺序：左上, 右上, 右下, 左下

factory

Properties

bottomLeft → Point<double>

final

bottomRight → Point<double>

final

bounds → Rect

获取边界矩形

no setter

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

topLeft → Point<double>

final

topRight → Point<double>

final

vertices → List<Point<double>>

转换为顶点列表 返回顺序：左上, 右上, 右下, 左下

no setter

Methods

copy() → RectangleFeature

复制当前矩形特征

getVertex(int index) → Point<double>

根据索引获取顶点

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

相等性比较

override