Imagick
PHP Manual

Imagick::whiteThresholdImage

(PECL imagick 2.0.0)

Imagick::whiteThresholdImage — Force all pixels above the threshold into white

Descrierea

bool Imagick::whiteThresholdImage ( mixed $threshold )

Is like Imagick::ThresholdImage() but force all pixels above the threshold into white while leaving all pixels below the threshold unchanged.

Parametri

threshold

Valorile întoarse

Întoarce TRUE în caz de succes.

Istoria schimbărilor

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

Imagick
PHP Manual