The Imagick class
PHP Manual

Imagick::negateImage

(PECL imagick 2.0.0)

Imagick::negateImageNegates the colors in the reference image

Описание

bool Imagick::negateImage ( bool $gray [, int $channel= Imagick::CHANNEL_ALL ] )
Предупреждение

Към момента тази функция не е документирана; наличен е единствено списъкът с аргументите й.

Negates the colors in the reference image. The Grayscale option means that only grayscale values within the image are negated.

Параметри

gray

Whether to only negate grayscale pixels within the image.

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Връщани стойности

Връща TRUE при успех.

Грешки/Изключения

Хвърля ImagickException при грешка.


The Imagick class
PHP Manual