Imagick
PHP Manual

Imagick::solarizeImage

Applies a solarizing effect to the image

Description

public bool Imagick::solarizeImage(int $threshold)

Applies a special effect to the image, similar to the effect achieved in a photo darkroom by selectively exposing areas of photo sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the solarization.

Parameters

threshold

Return Values

Returns true on success.

Examples

Example #1 Imagick::solarizeImage

<?php
function solarizeImage($imagePath, $solarizeThreshold) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->solarizeImage($solarizeThreshold * \Imagick::getQuantum());
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>