Rect

Pacchetto	spark.primitives
Classe	public class Rect
Ereditarietà	Rect FilledElement StrokedElement GraphicElement EventDispatcher Object
Sottoclassi	BeveledBorder

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The Rect class is a filled graphic element that draws a rectangle. The corners of the rectangle can be rounded. The drawElement() method calls the Graphics.drawRect() and Graphics.drawRoundRect() methods.

Note: By default, the stroke of the border is rounded. If you do not want rounded corners, set the joints property of the stroke to JointStyle.MITER.

Vedere gli esempi

Altri esempi

Using MXML graphics
Rectangles

Elementi API correlati

flash.display.Graphics

Proprietà pubbliche

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	Proprietà		Definito da
		alpha : Number The level of transparency of the graphic element.	GraphicElement
		alwaysCreateDisplayObject : Boolean Specifies that this GraphicElement is to be associated with and be rendered to its own DisplayObject.	GraphicElement
		baseline : Object The vertical distance in pixels from the anchor target to the control's baseline position.	GraphicElement
		baselinePosition : Number [sola lettura] The y-coordinate of the baseline of the first line of text of the component.	GraphicElement
		blendMode : String A value from the BlendMode class that specifies which blend mode to use.	GraphicElement
		bottom : Object The vertical distance in pixels from the bottom edge of the component to the anchor target's bottom edge.	GraphicElement
		bottomLeftRadiusX : Number The x radius of the bottom left corner of the rectangle.	Rect
		bottomLeftRadiusY : Number The y radius of the bottom left corner of the rectangle.	Rect
		bottomRightRadiusX : Number The x radius of the bottom right corner of the rectangle.	Rect
		bottomRightRadiusY : Number The y radius of the bottom right corner of the rectangle.	Rect
		constructor : Object Un riferimento all'oggetto classe o alla funzione di costruzione per una determinata istanza di oggetto.	Object
		depth : Number Determines the order in which items inside of containers are rendered.	GraphicElement
		designLayer : DesignLayer Specifies the optional DesignLayer instance associated with this visual element.	GraphicElement
		displayObject : DisplayObject [sola lettura] The shared DisplayObject where this IGraphicElement is drawn.	GraphicElement
		displayObjectSharingMode : String Indicates the association between this IGraphicElement and its display objects.	GraphicElement
		explicitHeight : Number Number that specifies the explicit height of the component, in pixels, in the component's coordinates.	GraphicElement
		explicitMaxHeight : Number The maximum recommended height of the component to be considered by the parent during layout.	GraphicElement
		explicitMaxWidth : Number The maximum recommended width of the component to be considered by the parent during layout.	GraphicElement
		explicitMinHeight : Number The minimum recommended height of the component to be considered by the parent during layout.	GraphicElement
		explicitMinWidth : Number The minimum recommended width of the component to be considered by the parent during layout.	GraphicElement
		explicitWidth : Number Number that specifies the explicit width of the component, in pixels, in the component's coordinates.	GraphicElement
		fill : IFill The object that defines the properties of the fill.	FilledElement
		filters : Array An indexed array that contains each filter object currently associated with the graphic element.	GraphicElement
		hasLayoutMatrix3D : Boolean [sola lettura] Contains true if the element has 3D Matrix.	GraphicElement
		height : Number The height of the graphic element.	GraphicElement
		horizontalCenter : Object The horizontal distance in pixels from the center of the component to the center of the anchor target's content area.	GraphicElement
		id : String The identity of the component.	GraphicElement
		includeInLayout : Boolean Specifies whether this element is included in the layout of the parent.	GraphicElement
		is3D : Boolean [sola lettura] Contains true when the element is in 3D.	GraphicElement
		layoutDirection : String Specifies the desired layout direction for an element: one of LayoutDirection.LTR (left to right), LayoutDirection.RTL (right to left), or null (inherit).	GraphicElement
		left : Object The horizontal distance in pixels from the left edge of the component to the anchor target's left edge.	GraphicElement
		luminosityClip : Boolean A property that controls whether the luminosity mask clips the masked content.	GraphicElement
		luminosityInvert : Boolean A property that controls the calculation of the RGB color value of a graphic element being masked by a luminosity mask.	GraphicElement
		mask : DisplayObject The calling display object is masked by the specified mask object.	GraphicElement
		maskType : String Defines how the mask is applied to the GraphicElement. The possible values are MaskType.CLIP, MaskType.ALPHA, and MaskType.LUMINOSITY. Clip Masking When masking in clip mode, a clipping masks is reduced to 1-bit.	GraphicElement
		maxHeight : Number The maximum recommended height of the component to be considered by the parent during layout.	GraphicElement
		maxWidth : Number The maximum recommended width of the component to be considered by the parent during layout.	GraphicElement
		measuredHeight : Number The default height of the component, in pixels.	GraphicElement
		measuredWidth : Number The default width of the component, in pixels.	GraphicElement
		measuredX : Number The default measured bounds top-left corner relative to the origin of the element.	GraphicElement
		measuredY : Number The default measured bounds top-left corner relative to the origin of the element.	GraphicElement
		minHeight : Number The minimum recommended height of the component to be considered by the parent during layout.	GraphicElement
		minWidth : Number The minimum recommended width of the component to be considered by the parent during layout.	GraphicElement
		owner : DisplayObjectContainer The owner of this IVisualElement object.	GraphicElement
		parent : DisplayObjectContainer [sola lettura] The parent container or component for this component.	GraphicElement
		percentHeight : Number Specifies the height of a component as a percentage of its parent's size.	GraphicElement
		percentWidth : Number Specifies the width of a component as a percentage of its parent's size.	GraphicElement
		postLayoutTransformOffsets : mx.geom:TransformOffsets Defines a set of adjustments that can be applied to the object's transform in a way that is invisible to its parent's layout.	GraphicElement
		radiusX : Number The default corner radius to use for the x axis on all corners.	Rect
		radiusY : Number The default corner radius to use for the y axis on all corners.	Rect
		right : Object The horizontal distance in pixels from the right edge of the component to the anchor target's right edge.	GraphicElement
		rotation : Number Indicates the rotation of the element, in degrees, from the transform point.	GraphicElement
		rotationX : Number Indicates the x-axis rotation of the element instance, in degrees, from its original orientation relative to the 3D parent container.	GraphicElement
		rotationY : Number Indicates the y-axis rotation of the DisplayObject instance, in degrees, from its original orientation relative to the 3D parent container.	GraphicElement
		rotationZ : Number Indicates the rotation of the element, in degrees, from the transform point.	GraphicElement
		scaleX : Number The horizontal scale (percentage) of the element as applied from the transform point.	GraphicElement
		scaleY : Number The vertical scale (percentage) of the element as applied from the transform point.	GraphicElement
		scaleZ : Number The z scale (percentage) of the element as applied from the transform point.	GraphicElement
		stroke : IStroke The stroke used by this element.	StrokedElement
		top : Object The vertical distance in pixels from the top edge of the component to the anchor target's top edge.	GraphicElement
		topLeftRadiusX : Number The x radius of the top left corner of the rectangle.	Rect
		topLeftRadiusY : Number The y radius of the top left corner of the rectangle.	Rect
		topRightRadiusX : Number The x radius of the top right corner of the rectangle.	Rect
		topRightRadiusY : Number The y radius of the top right corner of the rectangle.	Rect
		transform : flash.geom:Transform Un oggetto con proprietà relative alla matrice, alla trasformazione del colore e ai limiti di pixel di un oggetto di visualizzazione.	GraphicElement
		transformX : Number The x position transform point of the element.	GraphicElement
		transformY : Number The y position transform point of the element.	GraphicElement
		transformZ : Number The z position transform point of the element.	GraphicElement
		verticalCenter : Object The vertical distance in pixels from the center of the component to the center of the anchor target's content area.	GraphicElement
		visible : Boolean Controls the visibility of this visual element.	GraphicElement
		width : Number The width of the graphic element.	GraphicElement
		x : Number The x position of the graphic element.	GraphicElement
		y : Number The y position of the graphic element.	GraphicElement
		z : Number The z position of the graphic element.	GraphicElement

Proprietà protette

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	Proprietà		Definito da
		drawnDisplayObject : DisplayObject [sola lettura] The actual DisplayObject that is drawn into by the GraphicElement.	GraphicElement
		drawX : Number [sola lettura] The x position where the element should be drawn.	GraphicElement
		drawY : Number [sola lettura] The y position where the element should be drawn.	GraphicElement
		hasComplexLayoutMatrix : Boolean [sola lettura] Returns true if the GraphicElement has any non-translation (x,y) transform properties	GraphicElement
		layoutFeatures : AdvancedLayoutFeatures Contain all of the implementation details of how the GraphicElement implements transform and layering support.	GraphicElement
		needsDisplayObject : Boolean [sola lettura] True if the element requires an exclusive DisplayObject.	GraphicElement

Metodi pubblici

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	Metodo		Definito da
		Rect() Constructor.	Rect
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registra un oggetto listener di eventi con un oggetto EventDispatcher, in modo che il listener riceva la notifica di un evento.	EventDispatcher
		canShareWithNext(element:IGraphicElement):Boolean Returns true if this IGraphicElement is compatible and can share display objects with the next IGraphicElement in the sequence.	GraphicElement
		canShareWithPrevious(element:IGraphicElement):Boolean Returns true if this IGraphicElement is compatible and can share display objects with the previous IGraphicElement in the sequence.	GraphicElement
		createDisplayObject():DisplayObject Creates a new DisplayObject where this IGraphicElement is drawn.	GraphicElement
		dispatchEvent(event:Event):Boolean Invia un evento nel flusso di eventi.	EventDispatcher
		getBoundsXAtSize(width:Number, height:Number, postLayoutTransform:Boolean = true):Number [override] Returns the x coordinate of the element's bounds at the specified element size.	Rect
		getBoundsYAtSize(width:Number, height:Number, postLayoutTransform:Boolean = true):Number [override] Returns the y coordinate of the element's bounds at the specified element size.	Rect
		getLayoutBoundsHeight(postLayoutTransform:Boolean = true):Number Returns the element's layout height.	GraphicElement
		getLayoutBoundsWidth(postLayoutTransform:Boolean = true):Number Returns the element's layout width.	GraphicElement
		getLayoutBoundsX(postLayoutTransform:Boolean = true):Number Returns the x coordinate that the element uses to draw on screen.	GraphicElement
		getLayoutBoundsY(postLayoutTransform:Boolean = true):Number Returns the y coordinate that the element uses to draw on screen.	GraphicElement
		getLayoutMatrix():Matrix Returns the transform matrix that is used to calculate the component's layout relative to its siblings.	GraphicElement
		getLayoutMatrix3D():Matrix3D Returns the layout transform Matrix3D for this element.	GraphicElement
		getMaxBoundsHeight(postLayoutTransform:Boolean = true):Number Returns the element's maximum height.	GraphicElement
		getMaxBoundsWidth(postLayoutTransform:Boolean = true):Number Returns the element's maximum width.	GraphicElement
		getMinBoundsHeight(postLayoutTransform:Boolean = true):Number Returns the element's minimum height.	GraphicElement
		getMinBoundsWidth(postLayoutTransform:Boolean = true):Number Returns the element's minimum width.	GraphicElement
		getPreferredBoundsHeight(postLayoutTransform:Boolean = true):Number Returns the element's preferred height.	GraphicElement
		getPreferredBoundsWidth(postLayoutTransform:Boolean = true):Number Returns the element's preferred width.	GraphicElement
		hasEventListener(type:String):Boolean Verifica se per l'oggetto EventDispatcher sono presenti listener registrati per un tipo specifico di evento.	EventDispatcher
		hasOwnProperty(name:String):Boolean Indica se per un oggetto è definita una proprietà specifica.	Object
		initialized(document:Object, id:String):void Called automatically by the MXML compiler when the GraphicElement is created using an MXML tag.	GraphicElement
		invalidateDisplayList():void Calling this method results in a call to the elements's validateDisplayList() method before the display list is rendered.	GraphicElement
		invalidateLayoutDirection():void An element must call this method when its layoutDirection changes or when its parent's layoutDirection changes.	GraphicElement
		invalidateProperties():void Calling this method results in a call to the elements's validateProperties() method before the display list is rendered.	GraphicElement
		invalidateSize():void Calling this method results in a call to the elements's validateSize() method before the display list is rendered.	GraphicElement
		isPrototypeOf(theClass:Object):Boolean Indica se un'istanza della classe Object si trova nella catena di prototipi dell'oggetto specificato come parametro.	Object
		localToGlobal(point:Point):Point Converts the point object from the object's (local) coordinates to the Stage (global) coordinates.	GraphicElement
		parentChanged(value:IGraphicElementContainer):void Called by IGraphicElementContainer when an IGraphicElement is added to or removed from the host component.	GraphicElement
		propertyIsEnumerable(name:String):Boolean Indica se la proprietà specificata esiste ed è enumerabile.	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Rimuove un listener dall'oggetto EventDispatcher.	EventDispatcher
		setLayoutBoundsPosition(newBoundsX:Number, newBoundsY:Number, postLayoutTransform:Boolean = true):void Sets the coordinates that the element uses to draw on screen.	GraphicElement
		setLayoutBoundsSize(width:Number, height:Number, postLayoutTransform:Boolean = true):void Sets the layout size of the element.	GraphicElement
		setLayoutMatrix(value:Matrix, invalidateLayout:Boolean):void Sets the transform Matrix that is used to calculate the component's layout size and position relative to its siblings.	GraphicElement
		setLayoutMatrix3D(value:Matrix3D, invalidateLayout:Boolean):void Sets the transform Matrix3D that is used to calculate the component's layout size and position relative to its siblings.	GraphicElement
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Imposta la disponibilità di una proprietà dinamica per le operazioni cicliche.	Object
		setSharedDisplayObject(sharedDisplayObject:DisplayObject):Boolean Determines whether this element can draw itself to the sharedDisplayObject of the sequence.	GraphicElement
		toLocaleString():String Restituisce la rappresentazione in formato stringa di questo oggetto, formattato in base alle convenzioni specifiche per le versioni localizzate.	Object
		toString():String Restituisce la rappresentazione in formato stringa dell'oggetto specificato.	Object
		transformAround(transformCenter:Vector3D, scale:Vector3D = null, rotation:Vector3D = null, translation:Vector3D = null, postLayoutScale:Vector3D = null, postLayoutRotation:Vector3D = null, postLayoutTranslation:Vector3D = null, invalidateLayout:Boolean = true):void A utility method to update the rotation, scale, and translation of the transform while keeping a particular point, specified in the component's own coordinate space, fixed in the parent's coordinate space.	GraphicElement
		transformPointToParent(localPosition:Vector3D, position:Vector3D, postLayoutPosition:Vector3D):void A utility method to transform a point specified in the local coordinates of this object to its location in the object's parent's coordinates.	GraphicElement
		validateDisplayList():void Called by the IGraphicElementContainer to redraw this element in its displayObject property.	GraphicElement
		validateNow():void Validates and updates the properties and layout of this object by immediately calling validateProperties(), validateSize(), and validateDisplayList(), if necessary.	GraphicElement
		validateProperties():void Used by layout logic to validate the properties of a component by calling the commitProperties() method.	GraphicElement
		validateSize():void Called by the IGraphicElementContainer to validate the size of this element.	GraphicElement
		valueOf():Object Restituisce il valore di base dell'oggetto specificato.	Object
		willTrigger(type:String):Boolean Verifica se un listener di eventi è registrato con questo oggetto EventDispatcher o qualsiasi suo antenato per il tipo di evento specificato.	EventDispatcher

Metodi protetti

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	Metodo		Definito da
		beginDraw(g:Graphics):void [override] Set up the drawing for this element.	FilledElement
		canSkipMeasurement():Boolean Determines if the call to the measure() method can be skipped.	GraphicElement
		commitProperties():void Processes the properties set on the element.	GraphicElement
		draw(g:Graphics):void [override] Draw the element.	Rect
		endDraw(g:Graphics):void [override] Finalize drawing for this element.	FilledElement
		getStrokeExtents(postLayoutTransform:Boolean = true):Rectangle Returns the amount of pixels occupied by the stroke on each side of the element's bounds.	GraphicElement
		invalidateDisplayObjectSharing():void Utility method that notifies the host that this element has changed and needs its layer to be updated.	GraphicElement
		invalidateParentSizeAndDisplayList():void Helper method to invalidate parent size and display list if this object affects its layout (includeInLayout is true).	GraphicElement
		measure():void Calculates the default size of the element.	GraphicElement
		preferredHeightPreTransform():Number Used for the implementation of the ILayoutElement interface, returns the explicit measured height pre-transform.	GraphicElement
		preferredWidthPreTransform():Number Used for the implementation of the ILayoutElement interface, returns the explicit of measured width pre-transform.	GraphicElement
		transformHeightForLayout(width:Number, height:Number, postLayoutTransform:Boolean = true):Number Transform the element's size.	GraphicElement
		transformWidthForLayout(width:Number, height:Number, postLayoutTransform:Boolean = true):Number Transform the element's size.	GraphicElement
		updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void [override] Draws the element and/or sizes and positions its content.	StrokedElement

Eventi

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	Evento		Riepilogo	Definito da
		activate	[evento di trasmissione] Inviato quando Flash Player o l'applicazione AIR ottiene lo stato di attivazione del sistema operativo ed entra nello stato attivo.	EventDispatcher
		deactivate	[evento di trasmissione] Inviato quando Flash Player o l'applicazione AIR perde l'attivazione del sistema operativo e sta entrando nello stato inattivo.	EventDispatcher

Descrizione delle proprietà

bottomLeftRadiusX

proprietà

bottomLeftRadiusX:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The x radius of the bottom left corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get bottomLeftRadiusX():Number
public function set bottomLeftRadiusX(value:Number):void

bottomLeftRadiusY

proprietà

bottomLeftRadiusY:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The y radius of the bottom left corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get bottomLeftRadiusY():Number
public function set bottomLeftRadiusY(value:Number):void

bottomRightRadiusX

proprietà

bottomRightRadiusX:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The x radius of the bottom right corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get bottomRightRadiusX():Number
public function set bottomRightRadiusX(value:Number):void

bottomRightRadiusY

proprietà

bottomRightRadiusY:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The y radius of the bottom right corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get bottomRightRadiusY():Number
public function set bottomRightRadiusY(value:Number):void

radiusX

proprietà

radiusX:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The default corner radius to use for the x axis on all corners. The topLeftRadiusX, topRightRadiusX, bottomLeftRadiusX, and bottomRightRadiusX properties take precedence over this property.

Implementazione
public function get radiusX():Number
public function set radiusX(value:Number):void

radiusY

proprietà

radiusY:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The default corner radius to use for the y axis on all corners. The topLeftRadiusY, topRightRadiusY, bottomLeftRadiusY, and bottomRightRadiusY properties take precedence over this property.

Implementazione
public function get radiusY():Number
public function set radiusY(value:Number):void

topLeftRadiusX

proprietà

topLeftRadiusX:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The x radius of the top left corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get topLeftRadiusX():Number
public function set topLeftRadiusX(value:Number):void

topLeftRadiusY

proprietà

topLeftRadiusY:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The y radius of the top left corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get topLeftRadiusY():Number
public function set topLeftRadiusY(value:Number):void

topRightRadiusX

proprietà

topRightRadiusX:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The x radius of the top right corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get topRightRadiusX():Number
public function set topRightRadiusX(value:Number):void

topRightRadiusY

proprietà

topRightRadiusY:Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

The y radius of the top right corner of the rectangle.

Il valore predefinito è NaN.

Implementazione
public function get topRightRadiusY():Number
public function set topRightRadiusY(value:Number):void

Descrizione della funzione di costruzione

()

Funzione di costruzione

public function Rect()

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

Constructor.

Descrizione dei metodi

draw

()

metodo

override protected function draw(g:Graphics):void

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

Draw the element. This is the second of three steps taken during the drawing process. Override this method to implement your drawing. The stroke (and fill, if applicable) have been set in the beginDraw() method. Your override should only contain calls to drawing methods such as moveTo(), curveTo(), and drawRect().

Parametri

g:Graphics — The graphic element to draw.

getBoundsXAtSize

()

metodo

override public function getBoundsXAtSize(width:Number, height:Number, postLayoutTransform:Boolean = true):Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

Returns the x coordinate of the element's bounds at the specified element size.

This method is typically used by layouts during a call to the measure() method to predict what the element position will be, if the element is resized to particular dimensions.

Parametri

	`width:Number` — The element's bounds width, or NaN to use the preferred width.

	`height:Number` — The element's bounds height, or NaN to use the preferred height.

	`postLayoutTransform:Boolean` (default = `true`) — When `postLayoutTransform` is true, the method returns x coordinate of the element's bounding box top-left corner. The bounding box is in element's parent coordinate space and is calculated from the specified bounds size, layout position and layout transform matrix.

Restituisce

Number — The x coordinate of the element's bounds at the specified element size.

getBoundsYAtSize

()

metodo

override public function getBoundsYAtSize(width:Number, height:Number, postLayoutTransform:Boolean = true):Number

Versione linguaggio:

ActionScript 3.0

Versione prodotto:

Flex 4

Versioni runtime:

Flash Player 10, AIR 1.5

Returns the y coordinate of the element's bounds at the specified element size. This method is typically used by layouts during a call to the measure() to predict what the element position will be, if the element is resized to particular dimensions.

Parametri

	`width:Number` — The element's bounds width, or NaN to use the preferred width.

	`height:Number` — The element's bounds height, or NaN to use the preferred height.

	`postLayoutTransform:Boolean` (default = `true`) — When `postLayoutTransform` is true, the method returns the y coordinate of the element's bounding box top-left corner. The bounding box is in element's parent coordinate space and is calculated from the specified bounds size, layout position and layout transform matrix.

Restituisce

Number — The y coordinate of the element's bounds at the specified element size.

Esempi Come utilizzare questo esempio

RectExample.mxml

<?xml version="1.0" encoding="utf-8"?>
<!-- RectExample.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark">

    <s:Panel title="Rectangle Graphic Example"
            width="75%" height="75%"
            horizontalCenter="0" verticalCenter="0">
        <s:Group left="10" right="10" top="10" bottom="10">
            <s:Graphic x="0" y="0">
                <!-- Draw rectangle with square corners. -->
                <s:Rect height="100" width="200">
                    <s:stroke>
                        <s:SolidColorStroke color="0x000000" weight="2"/>
                    </s:stroke>
                    <s:fill>
                        <s:RadialGradient>
                            <s:entries>
                                <s:GradientEntry color="0x0056FF" ratio="0.00" alpha="0.5"/>
                                <s:GradientEntry color="0x00CC99" ratio="0.33" alpha="0.5"/>
                                <s:GradientEntry color="0xECEC21" ratio="0.66" alpha="0.5"/>
                            </s:entries>
                        </s:RadialGradient>
                    </s:fill>
                </s:Rect>
            </s:Graphic>

            <s:Graphic x="250" y="0">
                <!-- Draw rectangle with rounded corners. -->
                <s:Rect height="100" width="200" radiusX="25" radiusY="25">
                    <s:stroke>
                        <s:SolidColorStroke color="0x000000" weight="2"/>
                    </s:stroke>
                    <s:fill>
                        <s:RadialGradient>
                            <s:entries>
                                <s:GradientEntry color="0x0056FF" ratio="0.00" alpha="0.5"/>
                                <s:GradientEntry color="0x00CC99" ratio="0.33" alpha="0.5"/>
                                <s:GradientEntry color="0xECEC21" ratio="0.66" alpha="0.5"/>
                            </s:entries>
                        </s:RadialGradient>
                    </s:fill>
                </s:Rect>
            </s:Graphic>
        </s:Group>
    </s:Panel>

</s:Application>

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Rect - AS3 Flex

Classi x

bottomLeftRadiusX

bottomLeftRadiusY

bottomRightRadiusX

bottomRightRadiusY

radiusX

radiusY

topLeftRadiusX

topLeftRadiusY

topRightRadiusX

topRightRadiusY

Rect

draw

getBoundsXAtSize

getBoundsYAtSize