AlphaMaskFilter Class
The AlphaMaskFilter class uses the pixel values from the specified texture (called the displacement map) to perform a displacement of an object. You can use this filter to apply all manor of crazy warping effects Currently the r property of the texture is used to offset the x and the g propery of the texture is used to offset the y.
Constructor
AlphaMaskFilter
    
        
            (
    
    
    
    
    
    
    
    
    
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                        texture
Parameters:
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                        textureTextureThe texture used for the displacemtent map * must be power of 2 texture at the moment 
