User Guide

508 ActionScript classes

Method summary

Methods inherited from class BitmapFilter

Methods inherited from class Object

alpha (DisplacementMapFilter.alpha property)

public alpha : Number

Specifies the alpha transparency value to use for out-of-bounds displacements. This is

specified as a normalized value from 0.0 to 1.0. For example, .25 sets a transparency value of

25%. The default is 0. Use this property if the

mode property is set to 3, COLOR.

Availability: ActionScript 1.0; Flash Player 8

Example

The following example modifies the out-of-range

alpha property on the existing MovieClip

filteredMc to 0x00FF00 when a user clicks it.

import flash.filters.DisplacementMapFilter;

import flash.display.BitmapData;

import flash.geom.Point;

import flash.geom.Matrix;

import flash.geom.ColorTransform;

var filteredMc:MovieClip = createDisplacementMapRectangle();

filteredMc.onPress = function() {

var filter:DisplacementMapFilter = this.filters[0];

filter.scaleY = 25;

filter.mode = "color";

Modifiers Signature Description

clone() :

DisplacementMapFilte

Returns a copy of this filter object.

clone (BitmapFilter.clone method)

addProperty (Object.addProperty method), hasOwnProperty

(Object.hasOwnProperty method), isPropertyEnumerable

(Object.isPropertyEnumerable method), isPrototypeOf (Object.isPrototypeOf

method), registerClass (Object.registerClass method), toString

(Object.toString method), unwatch (Object.unwatch method), valueOf

(Object.valueOf method), watch (Object.watch method)