| 包 | flash.filters |
| 类 | public class BitmapFilter |
| 继承 | BitmapFilter  Object |
| 子类 | BevelFilter, BlurFilter, ColorMatrixFilter, ConvolutionFilter, DisplacementMapFilter, DropShadowFilter, GlowFilter, GradientBevelFilter, GradientGlowFilter, ShaderFilter |
| 语言版本: | ActionScript 3.0 |
| 运行时版本: | AIR 1.0 Flash Player 9 |
BevelFilter、BlurFilter、ColorMatrixFilter、ConvolutionFilter、DisplacementMapFilter、DropShadowFilter、GlowFilter、GradientBevelFilter 和 GradientGlowFilter 类都扩展了 BitmapFilter 类。您可以将这些滤镜效果应用于任何显示对象。
不可以直接实例化或扩展 BitmapFilter。
| 方法 | 定义方 | ||
|---|---|---|---|
返回 BitmapFilter 对象，它是与原始 BitmapFilter 对象完全相同的副本。 | BitmapFilter | ||
 |
指示对象是否已经定义了指定的属性。 | Object | |
|
指示 Object 类的实例是否在指定为参数的对象的原型链中。 | Object | |
|
指示指定的属性是否存在、是否可枚举。 | Object | |
|
设置循环操作动态属性的可用性。 | Object | |
|
返回指定对象的字符串表示形式。 | Object | |
|
返回指定对象的原始值。 | Object | |
| clone | () | 方法 |
隐藏继承的公共属性
显示继承的公共属性 public function clone():BitmapFilter| 语言版本: | ActionScript 3.0 |
| 运行时版本: | AIR 1.0 Flash Player 9 |
返回 BitmapFilter 对象，它是与原始 BitmapFilter 对象完全相同的副本。
返回BitmapFilter — 一个 BitmapFilter 对象。 |
filters 属性进行跟踪。
package {
import flash.display.Sprite;
import flash.filters.*;
public class BitmapFilterExample extends Sprite {
public function BitmapFilterExample() {
trace(this.filters.length); // 0
var tmpFilters:Array = this.filters;
tmpFilters.push(FilterFactory.createFilter(FilterFactory.BEVEL_FILTER));
tmpFilters.push(FilterFactory.createFilter(FilterFactory.GLOW_FILTER));
this.filters = tmpFilters;
trace(this.filters.length); // 2
trace(this.filters[0] is BitmapFilter); // true
trace(this.filters[0] is BevelFilter); // true
trace(this.filters[1] is BitmapFilter); // true
trace(this.filters[1] is GlowFilter); // true
}
}
}
import flash.filters.*;
class FilterFactory {
public static var BEVEL_FILTER:String = "BevelFilter";
public static var BevelFilterConstructor:Class = BevelFilter;
public static var BLUR_FILTER:String = "BlurFilter";
public static var BlurFilterConstructor:Class = BlurFilter;
public static var COLOR_MATRIX_FILTER:String = "ColorMatrixFilter";
public static var ColorMatrixFilterConstructor:Class = ColorMatrixFilter;
public static var CONVOLUTION_FILTER:String = "ConvolutionFilter";
public static var ConvolutionFilterConstructor:Class = ConvolutionFilter;
public static var DISPLACEMENT_MAP_FILTER:String = "DisplacementMapFilter";
public static var DisplacementMapFilterConstructor:Class = DisplacementMapFilter;
public static var DROP_SHADOW_FILTER:String = "DropShadowFilter";
public static var DropShadowFilterConstructor:Class = DropShadowFilter;
public static var GLOW_FILTER:String = "GlowFilter";
public static var GlowFilterConstructor:Class = GlowFilter;
public static var GRADIENT_BEVEL_FILTER:String = "GradientBevelFilter";
public static var GradientBevelFilterConstructor:Class = GradientBevelFilter;
public static var GRADIENT_GLOW_FILTER:String = "GradientGlowFilter";
public static var GradientGlowFilterConstructor:Class = GradientGlowFilter;
public static function createFilter(type:String):BitmapFilter {
return new FilterFactory[type + "Constructor"]();
}
}