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
] )
WarningThis 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.