Imagick::blackThresholdImage
(no version information, might be only in CVS)
Imagick::blackThresholdImage -- Forces all pixels below the threshold into black
Description
bool
Imagick::blackThresholdImage ( ImagickPixel threshold )
| Warning |
This function is
currently not documented; only the argument list is
available. |
| Warning |
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk. |
Is like MagickThresholdImage() 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.
