textureCache 类型

模块: cc 父模块: cc

cc.textureCache is a singleton object, it's the global cache for cc.Texture2D

索引

方法

• description Description
• getTextureForKey Returns an already created texture. Returns null if the texture doesn't exist.
• getTextureColors
• getAllTextures 获取所有贴图
• removeAllTextures

  Purges the dictionary of loaded textures.
  ...

• removeTexture Deletes a texture from the cache given a texture.
• removeTextureForKey Deletes a texture from the cache given a its key name.
• addImage If the file image was not previously loaded, it will create a new Texture2D
• cacheImage Cache the image data.

Details

方法

description

Description

getTextureForKey

Returns an already created texture. Returns null if the texture doesn't exist.

参数列表

• textureKeyName String

示例

------------------
var key = cc.textureCache.getTextureForKey("hello.png");

getTextureColors

参数列表

• texture HTMLImageElement

示例

---------------
var cacheTextureForColor = cc.textureCache.getTextureColors(texture);

getAllTextures

获取所有贴图

removeAllTextures

Purges the dictionary of loaded textures.
Call this method if you receive the "Memory Warning"
In the short term: it will free some resources preventing your app from being killed
In the medium term: it will allocate more resources
In the long term: it will be the same

示例

--------
cc.textureCache.removeAllTextures();

removeTexture

Deletes a texture from the cache given a texture.

参数列表

• texture HTMLImageElement

示例

-----
cc.textureCache.removeTexture(texture);

removeTextureForKey

Deletes a texture from the cache given a its key name.

参数列表

• textureKeyName String

示例

------
cc.textureCache.removeTexture("hello.png");

addImage

Returns a Texture2D object given an file image
If the file image was not previously loaded, it will create a new Texture2D object and it will return it. It will use the filename as a key. Otherwise it will return a reference of a previously loaded image.
Supported image extensions: .png, .jpg, .gif

参数列表

• url String
• cb Function
• target Object

示例

----
cc.textureCache.addImage("hello.png");

cacheImage

Cache the image data.

参数列表

• path String
• texture HTMLImageElement | HTMLCanvasElement