M3D / M3D / Assets / ImageSource

Class: ImageSource

M3D.Assets.ImageSource

Memberof

M3D.Assets

Implements

Utility.Publisher

Description

图片资源类

Author

ZYC

Date

2022-5-20

Copyright

All Rights Reserved. Copyright (C) 2022 HOTEAMSOFT, Ltd

Hierarchy

• Resource

  ↳ ImageSource

Implements

• Publisher

Table of contents

Constructors

• constructor

Properties

• isPowerOfTwo
• nearestPowerOfTwo

Methods

• createPowerTwoImage
• getBlobPath
• getCanvasImage
• getFilePath
• getImage
• getImageType
• getLoadState
• getPowerTwoImage
• getSourceData
• getTextureEncoding
• getType
• loadImage
• markDirty
• post
• send
• setBlobPath
• setCanvasImage
• setFilePath
• setImageType
• setLoadState
• setTextureEncoding
• setType

Constructors

constructor

• new ImageSource(): ImageSource

Returns

ImageSource

Description

构造函数

Overrides

Resource.constructor

Properties

isPowerOfTwo

▪ Static isPowerOfTwo: (value: number) => boolean

Type declaration

▸ (value): boolean

Parameters

Name	Type	Description
value	number	数值

Returns

boolean

Description

判断是否为2的次方的纹理

---

nearestPowerOfTwo

▪ Static nearestPowerOfTwo: (value: number) => number

Type declaration

▸ (value): number

Parameters

Name	Type	Description
value	number	数值

Returns

number

Description

约算至2的次方

Methods

createPowerTwoImage

▸ createPowerTwoImage(image): HTMLImageElement | HTMLCanvasElement

Parameters

Name	Type	Description
image	HTMLImageElement	看板图片

Returns

HTMLImageElement | HTMLCanvasElement

Description

创建一个2的次方的纹理，如果原来就是则忽略，如果不是，则返回创建成功后的canvas

---

getBlobPath

▸ getBlobPath(): string

Returns

string

Description

获取资源路径

Inherited from

Resource.getBlobPath

---

getCanvasImage

▸ getCanvasImage(): HTMLCanvasElement

Returns

HTMLCanvasElement

Description

获取看板图片

---

getFilePath

▸ getFilePath(): string

Returns

string

Description

获取资源路径

Inherited from

Resource.getFilePath

---

getImage

▸ getImage(): HTMLImageElement

Returns

HTMLImageElement

Description

获取图片

---

getImageType

▸ getImageType(): ImageSourceType

Returns

ImageSourceType

Description

获取图片资源类型

---

getLoadState

▸ getLoadState(): ImageLoadState

Returns

ImageLoadState

Description

获取加载状态

---

getPowerTwoImage

▸ getPowerTwoImage(): HTMLImageElement | HTMLCanvasElement

Returns

HTMLImageElement | HTMLCanvasElement

Description

获取大小变更后图片

---

getSourceData

▸ getSourceData(): any

Returns

any

Description

获取图片资源数据

---

getTextureEncoding

▸ getTextureEncoding(): TextureEncodingType

Returns

TextureEncodingType

Description

获取纹理编码

---

getType

▸ getType(): ResourceType

Returns

ResourceType

Description

获取资源类型

Inherited from

Resource.getType

---

loadImage

▸ loadImage(onLoad, imageNumber, level?): void

Parameters

Name	Type
onLoad	(image: any, data: any, level: any) => any
imageNumber	number
level?	number

Returns

void

Description

加载图片

---

markDirty

▸ markDirty(): void

Returns

void

Description

设置脏标记

Inherited from

Resource.markDirty

---

post

▸ post(): void

Returns

void

Description

消息发送者必须实现方法

Implementation of

Publisher.post

---

send

▸ send(msg): void

Parameters

Name	Type
msg	ImageSourceMessage

Returns

void

Description

消息发送者必须实现方法

Implementation of

Publisher.send

---

setBlobPath

▸ setBlobPath(path): void

Parameters

Name	Type	Description
path	string	路径

Returns

void

Description

设置资源路径

Inherited from

Resource.setBlobPath

---

setCanvasImage

▸ setCanvasImage(canvas): void

Parameters

Name	Type	Description
canvas	HTMLCanvasElement	看板

Returns

void

Description

设置看板图片

---

setFilePath

▸ setFilePath(path): void

Parameters

Name	Type
path	string

Returns

void

Description

设置图片路径

Overrides

Resource.setFilePath

---

setImageType

▸ setImageType(type): void

Parameters

Name	Type	Description
type	ImageSourceType	类型

Returns

void

Description

设置图片资源类型

---

setLoadState

▸ setLoadState(state): void

Parameters

Name	Type	Description
state	ImageLoadState	加载状态

Returns

void

Description

设置加载状态

---

setTextureEncoding

▸ setTextureEncoding(val): void

Parameters

Name	Type	Description
val	TextureEncodingType	纹理编码

Returns

void

Description

设置纹理编码

---

setType

▸ setType(type): void

Parameters

Name	Type	Description
type	ResourceType	资源类型

Returns

void

Description

设置资源类型

Inherited from

Resource.setType