downloads | documentation | faq | getting help | mailing lists | licenses | wiki | reporting bugs | php.net sites | conferences | my php.net

search for in the

Imagick::blurImage> <Imagick::averageImages
[edit] Last updated: Fri, 30 Nov 2012

view this page in

Imagick::blackThresholdImage

(PECL imagick 2.0.0)

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

Opis

bool Imagick::blackThresholdImage ( mixed $threshold )

Is like Imagick::thresholdImage() but forces all pixels below the threshold into black while leaving all pixels above the threshold unchanged.

Parametry

threshold

The threshold below which everything turns black

Zwracane wartoĊ›ci

Zwraca TRUE w przypadku sukcesu.

Rejestr zmian

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



add a note add a note User Contributed Notes Imagick::blackThresholdImage - [2 notes]