Imagick::thresholdImage
(No version information available, might be only in CVS)
Imagick::thresholdImage — Changes the value of individual pixels based on a threshold
Description
bool Imagick::thresholdImage
( float $threshold
[, 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
-
threshold
-
-
channel
-
Return Values
Returns TRUE on success.
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