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image blurring, saturation with UISlider movement

hai friends, can anyone know the exact functionality to blur our uiimage according to slider control in view based application? if yes, means please post your idea with sample code. i have some samples about this in openGL only. but i 开发者_开发知识库need samples in view based application..

please help me.. thanks in advance..


Jeff Lamarche has an article about how to blur a UIImage. Source is included.

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