用于 Adobe® Flash® Platform 的 ActionScript® 3.0 参考
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mx.graphics 

LinearGradient  - AS3 Flex

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adobe.utils
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com.adobe.icomm.assetplacement.controller
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com.adobe.icomm.assetplacement.data
com.adobe.icomm.assetplacement.model
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com.adobe.livecycle.assetmanager.client.event
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com.adobe.livecycle.assetmanager.client.managers
com.adobe.livecycle.assetmanager.client.model
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com.adobe.livecycle.assetmanager.client.service
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com.adobe.livecycle.assetmanager.client.utils
com.adobe.livecycle.content
com.adobe.livecycle.rca.model
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com.adobe.livecycle.rca.model.stage
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com.adobe.livecycle.rca.token
com.adobe.livecycle.ria.security.api
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com.adobe.mosaic.layouts
com.adobe.mosaic.layouts.dragAndDrop
com.adobe.mosaic.layouts.interfaces
com.adobe.mosaic.mxml
com.adobe.mosaic.om.constants
com.adobe.mosaic.om.events
com.adobe.mosaic.om.impl
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com.adobe.mosaic.sparklib.util
com.adobe.solutions.acm.authoring.presentation
com.adobe.solutions.acm.authoring.presentation.actionbar
com.adobe.solutions.acm.authoring.presentation.common
com.adobe.solutions.acm.authoring.presentation.events
com.adobe.solutions.acm.authoring.presentation.fragment
com.adobe.solutions.acm.authoring.presentation.letter
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com.adobe.solutions.acm.ccr.presentation.datacapture.renderers
com.adobe.solutions.acm.ccr.presentation.pdf
com.adobe.solutions.exm
com.adobe.solutions.exm.authoring
com.adobe.solutions.exm.authoring.components.controls
com.adobe.solutions.exm.authoring.components.toolbars
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com.adobe.solutions.exm.authoring.events
com.adobe.solutions.exm.authoring.model
com.adobe.solutions.exm.authoring.renderer
com.adobe.solutions.exm.authoring.view
com.adobe.solutions.exm.expression
com.adobe.solutions.exm.impl
com.adobe.solutions.exm.impl.method
com.adobe.solutions.exm.method
com.adobe.solutions.exm.mock
com.adobe.solutions.exm.mock.method
com.adobe.solutions.exm.runtime
com.adobe.solutions.exm.runtime.impl
com.adobe.solutions.exm.variable
com.adobe.solutions.prm.constant
com.adobe.solutions.prm.domain
com.adobe.solutions.prm.domain.factory
com.adobe.solutions.prm.domain.impl
com.adobe.solutions.prm.domain.manager
com.adobe.solutions.prm.presentation.asset
com.adobe.solutions.prm.presentation.constant
com.adobe.solutions.prm.presentation.document
com.adobe.solutions.prm.presentation.event
com.adobe.solutions.prm.presentation.file
com.adobe.solutions.prm.presentation.project
com.adobe.solutions.prm.presentation.team
com.adobe.solutions.prm.presentation.util
com.adobe.solutions.prm.service
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com.adobe.solutions.prm.vo
com.adobe.solutions.rca.constant
com.adobe.solutions.rca.domain
com.adobe.solutions.rca.domain.common
com.adobe.solutions.rca.domain.factory
com.adobe.solutions.rca.domain.impl
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com.adobe.solutions.rca.presentation
com.adobe.solutions.rca.presentation.comment
com.adobe.solutions.rca.presentation.constant
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com.adobe.solutions.rca.presentation.gantt
com.adobe.solutions.rca.presentation.gantt.ruler
com.adobe.solutions.rca.presentation.template
com.adobe.solutions.rca.presentation.template.audit
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com.adobe.solutions.rca.presentation.template.stages
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com.adobe.solutions.rca.service
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com.adobe.viewsource
fl.accessibility
fl.containers
fl.controls
fl.controls.dataGridClasses
fl.controls.listClasses
fl.controls.progressBarClasses
fl.core
fl.data
fl.display
fl.events
fl.ik
fl.lang
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fl.rsl
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fl.video
flash.accessibility
flash.concurrent
flash.crypto
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flash.desktop
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flash.errors
flash.events
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flash.globalization
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flash.notifications
flash.permissions
flash.printing
flash.profiler
flash.sampler
flash.security
flash.sensors
flash.system
flash.text
flash.text.engine
flash.text.ime
flash.ui
flash.utils
flash.xml
flashx.textLayout
flashx.textLayout.compose
flashx.textLayout.container
flashx.textLayout.conversion
flashx.textLayout.edit
flashx.textLayout.elements
flashx.textLayout.events
flashx.textLayout.factory
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flashx.textLayout.operations
flashx.textLayout.utils
flashx.undo
ga.controls
ga.layouts
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lc.foundation
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lc.procmgmt.commands
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lc.procmgmt.formbridge
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lc.procmgmt.ui.controls
lc.procmgmt.ui.controls.card
lc.procmgmt.ui.controls.renderer
lc.procmgmt.ui.help
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lc.procmgmt.ui.task
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mx.automation
mx.automation.air
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mx.automation.delegates.charts
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mx.automation.delegates.controls.fileSystemClasses
mx.automation.delegates.core
mx.automation.delegates.flashflexkit
mx.automation.events
mx.binding
mx.binding.utils
mx.charts
mx.charts.chartClasses
mx.charts.effects
mx.charts.effects.effectClasses
mx.charts.events
mx.charts.renderers
mx.charts.series
mx.charts.series.items
mx.charts.series.renderData
mx.charts.styles
mx.collections
mx.collections.errors
mx.containers
mx.containers.accordionClasses
mx.containers.dividedBoxClasses
mx.containers.errors
mx.containers.utilityClasses
mx.controls
mx.controls.advancedDataGridClasses
mx.controls.dataGridClasses
mx.controls.listClasses
mx.controls.menuClasses
mx.controls.olapDataGridClasses
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mx.controls.sliderClasses
mx.controls.textClasses
mx.controls.treeClasses
mx.controls.videoClasses
mx.core
mx.core.windowClasses
mx.data
mx.data.crypto
mx.data.errors
mx.data.events
mx.data.messages
mx.data.mxml
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mx.graphics.codec
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mx.logging
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mx.managers
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mx.messaging.channels
mx.messaging.config
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mx.modules
mx.netmon
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mx.olap.aggregators
mx.preloaders
mx.printing
mx.resources
mx.rpc
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mx.rpc.http
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xd.core.axm.enterprise.view.components
xd.core.axm.enterprise.view.skins
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语言元素

全局常量
全局函数
运算符
语句、关键字和指令
特殊类型

附录

新增内容
编译器错误
编译器警告
运行时错误
迁移到 ActionScript 3
支持的字符集
仅适用于 MXML 的标签
Motion XML 元素
Timed Text 标记
不推荐使用的元素的列表
AccessibilityImplementation 常量
如何使用 ActionScript 示例
法律声明
mx.graphics
public class LinearGradient
继承LinearGradient Inheritance GradientBase Inheritance EventDispatcher Inheritance Object
实现 IFill

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

使用 LinearGradient 类,您可以指定图形元素的填充,其中渐变指定在填充颜色中逐渐产生的颜色过渡。您可以将一系列 GradientEntry 对象添加到 LinearGradient 对象的 entries Array 中,以定义组成渐变填充的颜色。

在 MXML 中,您可以通过添加一系列 GradientEntry 对象来定义 LinearGradient,如以下示例所示:

  <mx:fill>
  	<mx:LinearGradient>
  		<mx:entries>
  			<mx:GradientEntry color="0xC5C551" ratio="0.00" alpha="0.5"/>
  			<mx:GradientEntry color="0xFEFE24" ratio="0.33" alpha="0.5"/>
  			<mx:GradientEntry color="0xECEC21" ratio="0.66" alpha="0.5"/>
  		</mx:entries>
  	</mx:LinearGradient>
  </mx:fill>
  

在 ActionScript 中,您还可以将 LinearGradient 定义为任何图形元素的填充,如以下示例所示:

  
  <?xml version="1.0"?>
  <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="init()">
  	<mx:Script>
  	import flash.display.Graphics;
  	import flash.geom.Rectangle;
  	import mx.graphics.GradientEntry;
  	import mx.graphics.LinearGradient;
  
  	private function init():void
      {
  		var w:Number = 200;
  		var h:Number = 200;
  
  		var s:Sprite = new Sprite();
  		// Add the new Sprite to the display list.
  		rawChildren.addChild(s);	
  
  		var g:Graphics = s.graphics;
  		g.lineStyle(1, 0x33CCFF, 1.0);
  
  		var fill:LinearGradient = new LinearGradient();
  		
  		var g1:GradientEntry = new GradientEntry(0xFFCC66, 0.00, 0.5);
  		var g2:GradientEntry = new GradientEntry(0x000000, 0.33, 0.5);
  		var g3:GradientEntry = new GradientEntry(0x99FF33, 0.66, 0.5);
    		
   		fill.entries = [ g1, g2, g3 ];
  		fill.angle = 240;
  
   		// Draw a box and fill it with the LinearGradient.
  		g.moveTo(0, 0);
  		fill.begin(g, new Rectangle(0, 0, w, h));
  		g.lineTo(w, 0);
  		g.lineTo(w, h);
  		g.lineTo(0, h);
  		g.lineTo(0, 0);		
  		fill.end(g);
  	}
  	</mx:Script>
  </mx:Application>
  

MXML 语法expanded隐藏 MXML 语法

The <mx:LinearGradient> tag inherits all the tag attributes of its superclass, and adds the following tag attributes:

  <mx:LinearGradient
    Properties
    angle="0"
  />
  

默认 MXML 属性entries

相关 API 元素



公共属性
 属性由以下参数定义
 Inheritedangle : Number
不推荐使用: 请使用 rotation
默认情况下,LinearGradientStroke 定义控件进行从左到右的过渡。
GradientBase
 Inheritedconstructor : Object
对类对象或给定对象实例的构造函数的引用。
Object
 Inheritedentries : Array
GradientEntry 对象 Array,用于定义渐变填充的填充模式。
GradientBase
 InheritedinterpolationMethod : String
InterpolationMethod 类中的一个值,指定要使用的 interpolation 方法。
GradientBase
 Inheritedmatrix : Matrix
用于矩阵转换的值的数组。
GradientBase
 Inheritedrotation : Number
默认情况下,LinearGradientStroke 定义控件进行从左到右的过渡。
GradientBase
  scaleX : Number
渐变转换的水平缩放,用于定义(未旋转)渐变的宽度
LinearGradient
 InheritedspreadMethod : String
SpreadMethod 类中用于指定要使用的扩展方法的值。
GradientBase
 Inheritedx : Number
沿 x 轴平移每个点的距离。
GradientBase
 Inheritedy : Number
沿 y 轴平移每个点的距离。
GradientBase
受保护的属性
 属性由以下参数定义
 InheritedcompoundTransform : mx.geom:CompoundTransform
包含矩阵和简便转换属性(x、y 和 rotation)。
GradientBase
公共方法
 方法由以下参数定义
  
构造函数。
LinearGradient
 Inherited
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
使用 EventDispatcher 对象注册事件侦听器对象,以使侦听器能够接收事件通知。
EventDispatcher
  
begin(target:Graphics, targetBounds:Rectangle, targetOrigin:Point):void
开始填充。
LinearGradient
 Inherited
将事件调度到事件流中。
EventDispatcher
  
end(target:Graphics):void
结束填充。
LinearGradient
 Inherited
检查 EventDispatcher 对象是否为特定事件类型注册了任何侦听器。
EventDispatcher
 Inherited
表示对象是否已经定义了指定的属性。
Object
 Inherited
表示 Object 类的实例是否在指定为参数的对象的原型链中。
Object
 Inherited
表示指定的属性是否存在、是否可枚举。
Object
 Inherited
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
从 EventDispatcher 对象中删除侦听器。
EventDispatcher
 Inherited
设置循环操作动态属性的可用性。
Object
 Inherited
返回此对象的字符串表示形式,其格式设置遵守区域设置特定的约定。
Object
 Inherited
返回指定对象的字符串表示形式。
Object
 Inherited
返回指定对象的原始值。
Object
 Inherited
检查是否用此 EventDispatcher 对象或其任何祖代为指定事件类型注册了事件侦听器。
EventDispatcher
事件
 事件 摘要 由以下参数定义
 Inherited[广播事件] Flash Player 或 AIR 应用程序获得操作系统焦点并变为活动状态时将调度此事件。EventDispatcher
 Inherited[广播事件] Flash Player 或 AIR 应用程序失去操作系统焦点并变为非活动状态时将调度此事件。EventDispatcher
公共常量
 常量由以下参数定义
属性详细信息

scaleX

属性
scaleX:Number

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

渐变转换的水平缩放,用于定义(未旋转)渐变的宽度

此属性可用作数据绑定的源。修改此属性后,将调度 propertyChange 事件。



实现
    public function get scaleX():Number
    public function set scaleX(value:Number):void
构造函数详细信息

LinearGradient

()构造函数
public function LinearGradient()

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

构造函数。

方法详细信息

begin

()方法
public function begin(target:Graphics, targetBounds:Rectangle, targetOrigin:Point):void

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

开始填充。

参数

target:Graphics — 要填充的目标 Graphics 对象。
 
targetBounds:Rectangle — 定义 target 内填充大小的 Rectangle 对象。如果 Rectangle 的尺寸大于 target 的尺寸,则将剪裁填充。如果 Rectangle 的尺寸小于 target 的尺寸,则将扩展填充以填充整个 target
 
targetOrigin:Point — 在目标的坐标系中定义形状的原点 (0,0) 的点。

end

()方法 
public function end(target:Graphics):void

语言版本: ActionScript 3.0
产品版本: Flex 3
运行时版本: Flash Player 9, AIR 1.1

结束填充。

参数

target:Graphics — 要填充的 Graphics 对象。





[ X ]为什么显示为英语?
《ActionScript 3.0 参考》中的内容以英语显示

《ActionScript 3.0 参考》中的部分内容未翻译成所有语言。当某个语言元素未翻译时,将显示为英语。例如,ga.controls.HelpBox 类未翻译成任何语言。因此在简体中文版的参考中,ga.controls.HelpBox 类显示为英语。