Imagick::blackThresholdImage
(No version information available, might be only in CVS)
Imagick::blackThresholdImage — Forces all pixels below the threshold into black
Description
bool Imagick::blackThresholdImage
(
mixed $threshold
)
WarningThis function is
currently not documented; only its argument list is available.
Is like Imagick::thresholdImage() but forces all pixels below the threshold
into black while leaving all pixels above the threshold unchanged.
Parameters
-
threshold
-
The threshold below which everything turns black
Return Values
Returns TRUE on success.
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