Imagick::randomThresholdImage
(No version information available, might be only in CVS)
Imagick::randomThresholdImage — Creates a high-contrast, two-color image
Description
bool Imagick::randomThresholdImage
( float $low
, float $high
[, int $channel
] )
Warning
This function is currently not documented; only its argument list is available.
Changes the value of individual pixels based on the intensity of each pixel compared to threshold. The result is a high-contrast, two color image.
Parameters
- low
-
- high
-
- channel
-
Return Values
Returns TRUE on success.