Adobe® Flex® 4 Language Reference
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spark.filters 

The spark.filters package contains the Spark filter classes.



Classes
 ClassDescription
 BevelFilter The BevelFilter class lets you add a bevel effect to display objects.
 BlurFilter The BlurFilter class lets you apply a blur visual effect to display objects.
 ColorMatrixFilter The ColorMatrixFilter class lets you apply a 4 x 5 matrix transformation on the RGBA color and alpha values of every pixel in the input image to produce a result with a new set of RGBA color and alpha values.
 ConvolutionFilter The ConvolutionFilter class applies a matrix convolution filter effect.
 DisplacementMapFilter The DisplacementMapFilter class uses the pixel values from the specified BitmapData object (called the displacement map image) to perform a displacement of an object.
 DropShadowFilter The DropShadowFilter class lets you add a drop shadow to display objects.
 GlowFilter The GlowFilter class lets you apply a glow effect to display objects.
 GradientBevelFilter The GradientBevelFilter class lets you apply a gradient bevel effect to display objects.
 GradientFilter The base class for filters that provide gradient visual effects.
 GradientGlowFilter The GradientGlowFilter class lets you apply a gradient glow effect to display objects.
 ShaderFilter The Flex ShaderFilter class abstracts away many of the details of using the Flash ShaderFilter, Shader, and ShaderData classes to apply a Pixel Bender shader as a filter.