@jtopo/core / Layout

Class: Layout

布局对象

根据对象列表 和 坐标列表来设置对象的坐标

并且可以做变换（平移、旋转、缩放）

Table of contents

Constructors

• constructor

Properties

• height
• objects
• rotation
• scaleX
• scaleY
• width
• x
• y

Methods

• doLayout
• resize
• resizeWith
• rotate
• rotateWith
• scale
• scaleBy
• translate
• translateWith

Constructors

constructor

new Layout(objects, positions)

Parameters

Name	Type
objects	Node[]
positions	PointLike[]

Properties

height

Readonly height: number = 1

---

objects

objects: Node[]

---

rotation

Readonly rotation: number = 0

---

scaleX

Readonly scaleX: number = 1

---

scaleY

Readonly scaleY: number = 1

---

width

Readonly width: number = 1

---

x

Readonly x: number = 0

---

y

Readonly y: number = 0

Methods

doLayout

doLayout(animationOption?): Layout

执行布局

Parameters

Name	Type	Description
animationOption?	LayoutAnimationOption	动画参数

Returns

Layout

---

resize

resize(width, height): Layout

调整尺寸

Parameters

Name	Type
width	number
height	number

Returns

Layout

---

resizeWith

resizeWith(dw, dh): Layout

增量调整尺寸

Parameters

Name	Type	Description
dw	number	宽度增量
dh	number	高度增量

Returns

Layout

---

rotate

rotate(rotation): Layout

旋转

Parameters

Name	Type
rotation	number

Returns

Layout

---

rotateWith

rotateWith(rotation): Layout

增量旋转

Parameters

Name	Type
rotation	number

Returns

Layout

---

scale

scale(sx, sy): Layout

缩放

Parameters

Name	Type
sx	number
sy	number

Returns

Layout

---

scaleBy

scaleBy(sx, sy): void

按系数缩放, 在当前缩放的基础上再乘以指定缩放系数

Parameters

Name	Type	Description
sx	number	宽度缩放系数
sy	number	高度缩放系数

Returns

void

---

translate

translate(x, y): Layout

平移 (将中心的位置平移到指定位置)

Parameters

Name	Type
x	number
y	number

Returns

Layout

---

translateWith

translateWith(x, y): Layout

增量平移

Parameters

Name	Type
x	number
y	number

Returns

Layout