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Imagick::contrastImage(No version information available, might be only in CVS) Imagick::contrastImage — Change the contrast of the image Description bool Imagick::contrastImage ( bool $sharpen ) Warning This function is currently not documented; only its argument list is available. Enhances the intensity differences between the lighter and darker elements of the image. Set sharpen to a value other than 0 to increase the image contrast otherwise the contrast is reduced. Parameters
Return ValuesReturns TRUE on success. Errors/ExceptionsThrows ImagickException on error. |