android Blur模糊效果

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我是靠谱客的博主标致牛排，这篇文章主要介绍android Blur模糊效果，现在分享给大家，希望可以做个参考。

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转载: http://stackoverflow.com/questions/14988990/android-fast-bitmap-blur/14988991#14988991
final RenderScript rs = RenderScript.create( myAndroidContext );
final Allocation input = Allocation.createFromBitmap( rs, photo, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT );
final Allocation output = Allocation.createTyped( rs, input.getType() );
final ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create( rs, Element.U8_4( rs ) );
script.setRadius( myBlurRadius /* e.g. 3.f */ );
script.setInput( input );
script.forEach( output );
output.copyTo( photo );