Imagick::thresholdImage
(PECL imagick 2.0.0)
Imagick::thresholdImage — Changes the value of individual pixels based on a threshold
Description
bool Imagick::thresholdImage
( float
$threshold
[, int $channel = Imagick::CHANNEL_ALL
] )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
-
threshold -
-
channel -
Return Values
Returns TRUE on success.
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