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Imagick::negateImage()

Imagick::negateImage - Negates the colors in the reference image

Syntax

bool Imagick::negateImage (bool $gray, int $channel)

Arguments

  • 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. Refer to this list of channel constants.

Description

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

Version

PHP PECL imagick 2.0.0

Return value

Returns TRUE on success.