(PECL imagick 2, PECL imagick 3)
Imagick::negateImage β Negates the colors in the reference image
Negates the colors in the reference image. The Grayscale option means that only grayscale values within the image are negated.
grayWhether to only negate grayscale pixels within the image.
channelProvide 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.
ΠΠΎΠ²Π΅ΡΡΠ°Ρ true Π² ΡΠ°Π·Ρ ΡΡΠΏΡΡ
Ρ.
ΠΠΈΠ΄Π°Ρ ImagickException Π² ΡΠ°Π·Ρ ΠΏΠΎΠΌΠΈΠ»ΠΊΠΈ.
ΠΡΠΈΠΊΠ»Π°Π΄ #1 Imagick::negateImage()
<?php
function negateImage($imagePath, $grayOnly, $channel) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->negateImage($grayOnly, $channel);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>