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Imagick::blackThresholdImage

(No version information available, might be only in CVS)

Imagick::blackThresholdImage — Forces all pixels below the threshold into black

bool Imagick::blackThresholdImage ( mixed $threshold )

Warning

This 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.

Returns TRUE on success.

Version Description

2.1.0 Now allows a string representing the color as a parameter. Previous versions allow only an ImagickPixel object.

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Forces all pixels below the threshold into black

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Last updated: Tue Nov 1 20:20:59 2005 EST