laya.webgl.resource.RenderTarget2D

	Property	Defined By
		_atlasID : int = -1	Texture
		bitmap : * 图片或者canvas 。	Texture
		DEF_UV : Array [static] 默认 UV 信息。	Texture
		depthStencilFormat : int [read-only]	RenderTarget2D
		_destroy : Boolean = false	RenderTarget2D
		height : Number 实际高度。	Texture
		INV_UV : Array [static] 反转 UV 信息。	Texture
		isLinearSampling : Boolean 获取当前纹理是否启用了线性采样。	Texture
		loaded : Boolean [read-only] 表示是否加载成功，只能表示初次载入成功（通常包含下载和载入）,并不能完全表示资源是否可立即使用（资源管理机制释放影响等）。	Texture
		magFifter : int [read-only]	RenderTarget2D
		minFifter : int [read-only]	RenderTarget2D
		mipMap : Boolean [read-only]	RenderTarget2D
		offsetX : Number = 0 沿 X 轴偏移量。	Texture
		offsetY : Number = 0 沿 Y 轴偏移量。	Texture
		released : Boolean [read-only] 表示资源是否已释放。	Texture
		repeat : Boolean 获取当前纹理是否启用了纹理平铺	Texture
		source : * [override] [read-only] 返回RenderTarget的Texture	RenderTarget2D
		sourceHeight : Number = 0 原始高度（包括被裁剪的透明区域）。	Texture
		sourceWidth : Number = 0 原始宽度（包括被裁剪的透明区域）。	Texture
		surfaceFormat : int [read-only]	RenderTarget2D
		surfaceType : int [read-only]	RenderTarget2D
		url : String 图片地址	Texture
		uv : Array UV信息。	Texture
		width : Number 实际宽度。	Texture

Property

Defined By

_atlasID : int = -1

Texture

bitmap : *

图片或者canvas 。

Texture

DEF_UV : Array

[static] 默认 UV 信息。

Texture

depthStencilFormat : int

[read-only]

RenderTarget2D

_destroy : Boolean = false

RenderTarget2D

height : Number

实际高度。

Texture

INV_UV : Array

[static] 反转 UV 信息。

Texture

isLinearSampling : Boolean

获取当前纹理是否启用了线性采样。

Texture

loaded : Boolean

[read-only] 表示是否加载成功，只能表示初次载入成功（通常包含下载和载入）,并不能完全表示资源是否可立即使用（资源管理机制释放影响等）。

Texture

magFifter : int

[read-only]

RenderTarget2D

minFifter : int

[read-only]

RenderTarget2D

mipMap : Boolean

[read-only]

RenderTarget2D

offsetX : Number = 0

沿 X 轴偏移量。

Texture

offsetY : Number = 0

沿 Y 轴偏移量。

Texture

released : Boolean

[read-only] 表示资源是否已释放。

Texture

repeat : Boolean

获取当前纹理是否启用了纹理平铺

Texture

source : *

[override] [read-only] 返回RenderTarget的Texture

RenderTarget2D

sourceHeight : Number = 0

原始高度（包括被裁剪的透明区域）。

Texture

sourceWidth : Number = 0

原始宽度（包括被裁剪的透明区域）。

Texture

surfaceFormat : int

[read-only]

RenderTarget2D

surfaceType : int

[read-only]

RenderTarget2D

url : String

图片地址

Texture

uv : Array

UV信息。

Texture

width : Number

实际宽度。

Texture

	Method	Defined By
		RenderTarget2D(width:int, height:int, surfaceFormat:int, surfaceType:int, depthStencilFormat:int, mipMap:Boolean = false, repeat:Boolean = false, minFifter:int = -1, magFifter:int = -1)	RenderTarget2D
		clear(r:Number = 0.0, g:Number = 0.0, b:Number = 0.0, a:Number = 1.0):void	RenderTarget2D
		create(w:int, h:int, surfaceFormat:int, surfaceType:int, depthStencilFormat:int, mipMap:Boolean = false, repeat:Boolean = false, minFifter:int = -1, magFifter:int = -1):RenderTarget2D [static]	RenderTarget2D
		createFromTexture(texture:Texture, x:Number, y:Number, width:Number, height:Number):Texture [static] 截取Texture的一部分区域，生成新的Texture，如果两个区域没有相交，则返回null。	Texture
		destroy(foreDiposeTexture:Boolean = false):void [override] 彻底清理资源,注意会强制解锁清理	RenderTarget2D
		dispose():void	RenderTarget2D
		end():void	RenderTarget2D
		event(type:String, data:* = null):Boolean 派发事件。	EventDispatcher
		getData(x:Number, y:Number, width:Number, height:Number):Uint8Array	RenderTarget2D
		getPixels(x:Number, y:Number, width:Number, height:Number):Array 获取Texture上的某个区域的像素点	Texture
		getTexture():Texture	RenderTarget2D
		getType():int	RenderTarget2D
		hasListener(type:String):Boolean 检查 EventDispatcher 对象是否为特定事件类型注册了任何侦听器。	EventDispatcher
		isMouseEvent(type:String):Boolean 检测指定事件类型是否是鼠标事件。	EventDispatcher
		load(url:String):void 加载指定地址的图片。	Texture
		moveUV(offsetX:Number, offsetY:Number, uv:Array):Array [static] 平移 UV。	Texture
		off(type:String, caller:*, listener:Function, onceOnly:Boolean = false):EventDispatcher 从 EventDispatcher 对象中删除侦听器。	EventDispatcher
		offAll(type:String = null):EventDispatcher 从 EventDispatcher 对象中删除指定事件类型的所有侦听器。	EventDispatcher
		on(type:String, caller:*, listener:Function, args:Array = null):EventDispatcher 使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知。	EventDispatcher
		once(type:String, caller:*, listener:Function, args:Array = null):EventDispatcher 使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知，此侦听事件响应一次后自动移除。	EventDispatcher
		recycle():void	RenderTarget2D
		release():void	RenderTarget2D
		setTo(bitmap:Bitmap = null, uv:Array = null):void 设置此对象的位图资源、UV数据信息。	Texture
		size(w:Number, h:Number):void	RenderTarget2D
		start():RenderTarget2D	RenderTarget2D

Method

Defined By

RenderTarget2D(width:int, height:int, surfaceFormat:int, surfaceType:int, depthStencilFormat:int, mipMap:Boolean = false, repeat:Boolean = false, minFifter:int = -1, magFifter:int = -1)

RenderTarget2D

clear(r:Number = 0.0, g:Number = 0.0, b:Number = 0.0, a:Number = 1.0):void

RenderTarget2D

create(w:int, h:int, surfaceFormat:int, surfaceType:int, depthStencilFormat:int, mipMap:Boolean = false, repeat:Boolean = false, minFifter:int = -1, magFifter:int = -1):RenderTarget2D

[static]

RenderTarget2D

createFromTexture(texture:Texture, x:Number, y:Number, width:Number, height:Number):Texture

[static] 截取Texture的一部分区域，生成新的Texture，如果两个区域没有相交，则返回null。

Texture

destroy(foreDiposeTexture:Boolean = false):void

[override] 彻底清理资源,注意会强制解锁清理

RenderTarget2D

dispose():void

RenderTarget2D

end():void

RenderTarget2D

event(type:String, data:* = null):Boolean

派发事件。

EventDispatcher

getData(x:Number, y:Number, width:Number, height:Number):Uint8Array

RenderTarget2D

getPixels(x:Number, y:Number, width:Number, height:Number):Array

获取Texture上的某个区域的像素点

Texture

getTexture():Texture

RenderTarget2D

getType():int

RenderTarget2D

hasListener(type:String):Boolean

检查 EventDispatcher 对象是否为特定事件类型注册了任何侦听器。

EventDispatcher

isMouseEvent(type:String):Boolean

检测指定事件类型是否是鼠标事件。

EventDispatcher

load(url:String):void

加载指定地址的图片。

Texture

moveUV(offsetX:Number, offsetY:Number, uv:Array):Array

[static] 平移 UV。

Texture

off(type:String, caller:*, listener:Function, onceOnly:Boolean = false):EventDispatcher

从 EventDispatcher 对象中删除侦听器。

EventDispatcher

offAll(type:String = null):EventDispatcher

从 EventDispatcher 对象中删除指定事件类型的所有侦听器。

EventDispatcher

on(type:String, caller:*, listener:Function, args:Array = null):EventDispatcher

使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知。

EventDispatcher

once(type:String, caller:*, listener:Function, args:Array = null):EventDispatcher

使用 EventDispatcher 对象注册指定类型的事件侦听器对象，以使侦听器能够接收事件通知，此侦听事件响应一次后自动移除。

EventDispatcher

recycle():void

RenderTarget2D

release():void

RenderTarget2D

setTo(bitmap:Bitmap = null, uv:Array = null):void

设置此对象的位图资源、UV数据信息。

Texture

size(w:Number, h:Number):void

RenderTarget2D

start():RenderTarget2D

RenderTarget2D

	Event	Summary	Defined By
		loaded	资源加载完成后调度。	Texture

Event

Summary

Defined By

loaded

资源加载完成后调度。

Texture

	Constant	Defined By
		TYPE2D : int = 1 [static]	RenderTarget2D
		TYPE3D : int = 2 [static]	RenderTarget2D

Constant

Defined By

TYPE2D : int = 1

[static]

RenderTarget2D

TYPE3D : int = 2

[static]

RenderTarget2D

Property Detail

_destroy

property

public var _destroy:Boolean = false

depthStencilFormat

property

depthStencilFormat:int [read-only]

Implementation
public function get depthStencilFormat():int

magFifter

property

magFifter:int [read-only]

Implementation
public function get magFifter():int

minFifter

property

minFifter:int [read-only]

Implementation
public function get minFifter():int

mipMap

property

mipMap:Boolean [read-only]

Implementation
public function get mipMap():Boolean

source

property

source:* [read-only] [override]

返回RenderTarget的Texture

Implementation
public function get source():*

surfaceFormat

property

surfaceFormat:int [read-only]

Implementation
public function get surfaceFormat():int

surfaceType

property

surfaceType:int [read-only]

Implementation
public function get surfaceType():int

Constructor Detail

RenderTarget2D

()

Constructor

public function RenderTarget2D(width:int, height:int, surfaceFormat:int, surfaceType:int, depthStencilFormat:int, mipMap:Boolean = false, repeat:Boolean = false, minFifter:int = -1, magFifter:int = -1)

Parameters

	`width:int`

	`height:int`

	`surfaceFormat:int` (default = `NaN`)

	`surfaceType:int` (default = `NaN`) — RGB ,R,RGBA......

	`depthStencilFormat:int` (default = `NaN`) — WebGLContext.UNSIGNED_BYTE 数据类型

	`mipMap:Boolean` (default = `false`) — WebGLContext.DEPTH_COMPONENT16 数据类型等

	`repeat:Boolean` (default = `false`)

	`minFifter:int` (default = `-1`)

	`magFifter:int` (default = `-1`)

Method Detail

clear

()

method

public function clear(r:Number = 0.0, g:Number = 0.0, b:Number = 0.0, a:Number = 1.0):void

Parameters

	`r:Number` (default = `0.0`)

	`g:Number` (default = `0.0`)

	`b:Number` (default = `0.0`)

	`a:Number` (default = `1.0`)

create

()

method

 public static function create(w:int, h:int, surfaceFormat:int, surfaceType:int, depthStencilFormat:int, mipMap:Boolean = false, repeat:Boolean = false, minFifter:int = -1, magFifter:int = -1):RenderTarget2D

Parameters

	`w:int`

	`h:int`

	`surfaceFormat:int` (default = `NaN`)

	`surfaceType:int` (default = `NaN`)

	`depthStencilFormat:int` (default = `NaN`)

	`mipMap:Boolean` (default = `false`)

	`repeat:Boolean` (default = `false`)

	`minFifter:int` (default = `-1`)

	`magFifter:int` (default = `-1`)

Returns

RenderTarget2D

destroy

()

method

override public function destroy(foreDiposeTexture:Boolean = false):void

彻底清理资源,注意会强制解锁清理

Parameters

foreDiposeTexture:Boolean (default = false)

dispose

()

method

public function dispose():void

end

()

method

public function end():void

getData

()

method

public function getData(x:Number, y:Number, width:Number, height:Number):Uint8Array

Parameters

	`x:Number`

	`y:Number`

	`width:Number`

	`height:Number`

Returns

Uint8Array

getTexture

()

method

public function getTexture():Texture

Returns

Texture

getType

()

method

public function getType():int

Returns

int

recycle

()

method

public function recycle():void

release

()

method

public function release():void

size

()

method

public function size(w:Number, h:Number):void

Parameters

	`w:Number`

	`h:Number`

start

()

method

public function start():RenderTarget2D

Returns

RenderTarget2D

Constant Detail

TYPE2D

Constant

public static const TYPE2D:int = 1

TYPE3D

Constant

public static const TYPE3D:int = 2

Fri Sep 29 2017, 06:34 PM +08:00

API Documentation	All Packages \| All Classes \| Index \| Frames No Frames
RenderTarget2D	Properties \| Methods \| Events \| Constants

Package	laya.webgl.resource
Class	public class RenderTarget2D
Inheritance	RenderTarget2D Texture EventDispatcher Object
Implements	laya.resource.IDispose