Rectangle class Null safety

矩形区域

Constructors

Rectangle({required int x, required int y, required int width, required int height})
Rectangle.fromMap(Map map)
factory

Properties

hashCode → int
The hash code for this object. [...]
read-only, inherited
height ↔ int
矩形高度(px)
read / write
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited
width ↔ int
矩形宽度(px)
read / write
x ↔ int
矩形区域左上角的 x 坐标
read / write
y ↔ int
矩形区域左上角的 y 坐标
read / write

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() → String
A string representation of this object. [...]
inherited

Operators

operator ==(Object other) → bool
The equality operator. [...]
inherited